Mercurial > hg > truffle
annotate src/gpu/ptx/vm/gpu_ptx.cpp @ 14040:2d95cf7a29c8
Fixes PTX test failure and a crash when TraceGPUInteraction flag is specified.
| author | S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com> |
|---|---|
| date | Fri, 28 Feb 2014 14:01:31 -0500 |
| parents | 0995dcbd6dd8 |
| children | 66e3af78ea96 |
| rev | line source |
|---|---|
| 10879 | 1 /* |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "precompiled.hpp" | |
|
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26 #include "runtime/javaCalls.hpp" |
| 10879 | 27 #include "runtime/gpu.hpp" |
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28 #include "ptx/vm/gpu_ptx.hpp" |
| 10879 | 29 #include "utilities/globalDefinitions.hpp" |
| 30 #include "utilities/ostream.hpp" | |
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31 #include "memory/allocation.hpp" |
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32 #include "memory/allocation.inline.hpp" |
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33 #include "memory/gcLocker.inline.hpp" |
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34 #include "runtime/interfaceSupport.hpp" |
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35 #include "runtime/vframe.hpp" |
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36 #include "graal/graalEnv.hpp" |
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37 #include "graal/graalCompiler.hpp" |
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38 |
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39 #define T_BYTE_SIZE 1 |
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40 #define T_BOOLEAN_SIZE 4 |
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41 #define T_INT_BYTE_SIZE 4 |
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42 #define T_FLOAT_BYTE_SIZE 4 |
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43 #define T_DOUBLE_BYTE_SIZE 8 |
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44 #define T_LONG_BYTE_SIZE 8 |
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45 #define T_OBJECT_BYTE_SIZE sizeof(intptr_t) |
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46 #define T_ARRAY_BYTE_SIZE sizeof(intptr_t) |
| 10879 | 47 |
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48 // Entry to GPU native method implementation that transitions current thread to '_thread_in_vm'. |
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49 #define GPU_VMENTRY(result_type, name, signature) \ |
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50 JNIEXPORT result_type JNICALL name signature { \ |
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51 if (TraceGPUInteraction) tty->print_cr("[CUDA] " #name); \ |
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52 GRAAL_VM_ENTRY_MARK; \ |
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53 |
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54 // Entry to GPU native method implementation that calls a JNI function |
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55 // and hence cannot transition current thread to '_thread_in_vm'. |
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56 #define GPU_ENTRY(result_type, name, signature) \ |
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57 JNIEXPORT result_type JNICALL name signature { \ |
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58 if (TraceGPUInteraction) tty->print_cr("[CUDA] Ptx::" #name); \ |
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59 |
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60 #define GPU_END } |
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61 |
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62 #define CC (char*) /*cast a literal from (const char*)*/ |
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63 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(f)) |
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64 |
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65 #define STRING "Ljava/lang/String;" |
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66 |
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67 JNINativeMethod Ptx::PTX_methods[] = { |
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68 {CC"initialize", CC"()Z", FN_PTR(Ptx::initialize)}, |
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69 {CC"generateKernel", CC"([B" STRING ")J", FN_PTR(Ptx::generate_kernel)}, |
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70 {CC"getLaunchKernelAddress", CC"()J", FN_PTR(Ptx::get_execute_kernel_from_vm_address)}, |
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71 {CC"getAvailableProcessors0", CC"()I", FN_PTR(Ptx::get_total_cores)}, |
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72 {CC"destroyContext", CC"()V", FN_PTR(Ptx::destroy_ptx_context)}, |
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73 }; |
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74 |
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75 void * Ptx::_device_context = 0; |
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76 int Ptx::_cu_device = 0; |
| 10879 | 77 |
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78 Ptx::cuda_cu_init_func_t Ptx::_cuda_cu_init; |
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79 Ptx::cuda_cu_ctx_create_func_t Ptx::_cuda_cu_ctx_create; |
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80 Ptx::cuda_cu_ctx_destroy_func_t Ptx::_cuda_cu_ctx_destroy; |
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81 Ptx::cuda_cu_ctx_synchronize_func_t Ptx::_cuda_cu_ctx_synchronize; |
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82 Ptx::cuda_cu_ctx_get_current_func_t Ptx::_cuda_cu_ctx_get_current; |
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83 Ptx::cuda_cu_ctx_set_current_func_t Ptx::_cuda_cu_ctx_set_current; |
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84 Ptx::cuda_cu_device_get_count_func_t Ptx::_cuda_cu_device_get_count; |
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85 Ptx::cuda_cu_device_get_name_func_t Ptx::_cuda_cu_device_get_name; |
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86 Ptx::cuda_cu_device_get_func_t Ptx::_cuda_cu_device_get; |
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87 Ptx::cuda_cu_device_compute_capability_func_t Ptx::_cuda_cu_device_compute_capability; |
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88 Ptx::cuda_cu_device_get_attribute_func_t Ptx::_cuda_cu_device_get_attribute; |
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89 Ptx::cuda_cu_launch_kernel_func_t Ptx::_cuda_cu_launch_kernel; |
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90 Ptx::cuda_cu_module_get_function_func_t Ptx::_cuda_cu_module_get_function; |
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91 Ptx::cuda_cu_module_load_data_ex_func_t Ptx::_cuda_cu_module_load_data_ex; |
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92 Ptx::cuda_cu_memcpy_htod_func_t Ptx::_cuda_cu_memcpy_htod; |
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93 Ptx::cuda_cu_memcpy_dtoh_func_t Ptx::_cuda_cu_memcpy_dtoh; |
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94 Ptx::cuda_cu_memalloc_func_t Ptx::_cuda_cu_memalloc; |
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95 Ptx::cuda_cu_memfree_func_t Ptx::_cuda_cu_memfree; |
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96 Ptx::cuda_cu_mem_host_register_func_t Ptx::_cuda_cu_mem_host_register; |
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97 Ptx::cuda_cu_mem_host_get_device_pointer_func_t Ptx::_cuda_cu_mem_host_get_device_pointer; |
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98 Ptx::cuda_cu_mem_host_unregister_func_t Ptx::_cuda_cu_mem_host_unregister; |
| 10879 | 99 |
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100 #define STRINGIFY(x) #x |
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101 |
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102 #define LOOKUP_CUDA_FUNCTION(name, alias) \ |
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103 _##alias = \ |
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104 CAST_TO_FN_PTR(alias##_func_t, os::dll_lookup(handle, STRINGIFY(name))); \ |
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105 if (_##alias == NULL) { \ |
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106 tty->print_cr("[CUDA] ***** Error: Failed to lookup %s", STRINGIFY(name)); \ |
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107 return false; \ |
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108 } \ |
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109 |
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110 #define LOOKUP_CUDA_V2_FUNCTION(name, alias) LOOKUP_CUDA_FUNCTION(name##_v2, alias) |
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111 |
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112 /* |
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113 * see http://en.wikipedia.org/wiki/CUDA#Supported_GPUs |
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114 */ |
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115 int Ptx::ncores(int major, int minor) { |
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116 int device_type = (major << 4) + minor; |
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117 |
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118 switch (device_type) { |
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119 case 0x10: return 8; |
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120 case 0x11: return 8; |
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121 case 0x12: return 8; |
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122 case 0x13: return 8; |
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123 case 0x20: return 32; |
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124 case 0x21: return 48; |
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125 case 0x30: return 192; |
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126 case 0x35: return 192; |
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127 default: |
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128 tty->print_cr("[CUDA] Warning: Unhandled device %x", device_type); |
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129 return 0; |
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130 } |
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131 } |
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132 |
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133 bool Ptx::register_natives(JNIEnv* env) { |
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134 jclass klass = env->FindClass("com/oracle/graal/hotspot/ptx/PTXHotSpotBackend"); |
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135 if (klass == NULL) { |
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136 if (TraceGPUInteraction) { |
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137 tty->print_cr("PTXHotSpotBackend class not found"); |
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138 } |
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139 return false; |
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140 } |
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141 jint status = env->RegisterNatives(klass, PTX_methods, sizeof(PTX_methods) / sizeof(JNINativeMethod)); |
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142 if (status != JNI_OK) { |
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143 if (true || TraceGPUInteraction) { |
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144 tty->print_cr("Error registering natives for PTXHotSpotBackend: %d", status); |
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145 } |
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146 return false; |
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147 } |
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148 return true; |
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149 } |
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150 |
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151 GPU_ENTRY(jboolean, Ptx::initialize, (JNIEnv *env, jclass)) |
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152 |
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153 if (!link()) { |
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154 return false; |
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155 } |
| 10879 | 156 |
| 157 /* Initialize CUDA driver API */ | |
| 158 int status = _cuda_cu_init(0); | |
| 159 if (status != GRAAL_CUDA_SUCCESS) { | |
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160 if (TraceGPUInteraction) { |
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161 tty->print_cr("Failed to initialize CUDA device: %d", status); |
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162 } |
| 10879 | 163 return false; |
| 164 } | |
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165 |
| 10879 | 166 if (TraceGPUInteraction) { |
| 167 tty->print_cr("CUDA driver initialization: Success"); | |
| 168 } | |
| 169 | |
| 170 /* Get the number of compute-capable device count */ | |
| 171 int device_count = 0; | |
| 172 status = _cuda_cu_device_get_count(&device_count); | |
| 173 if (status != GRAAL_CUDA_SUCCESS) { | |
| 174 tty->print_cr("[CUDA] Failed to get compute-capable device count"); | |
| 175 return false; | |
| 176 } | |
| 177 | |
| 178 if (device_count == 0) { | |
| 179 tty->print_cr("[CUDA] Found no device supporting CUDA"); | |
| 180 return false; | |
| 181 } | |
| 182 | |
| 183 if (TraceGPUInteraction) { | |
| 184 tty->print_cr("[CUDA] Number of compute-capable devices found: %d", device_count); | |
| 185 } | |
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186 |
| 10879 | 187 /* Get the handle to the first compute device */ |
| 188 int device_id = 0; | |
| 189 /* Compute-capable device handle */ | |
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190 status = _cuda_cu_device_get(&_cu_device, device_id); |
| 10879 | 191 |
| 192 if (status != GRAAL_CUDA_SUCCESS) { | |
| 193 tty->print_cr("[CUDA] Failed to get handle of first compute-capable device i.e., the one at ordinal: %d", device_id); | |
| 194 return false; | |
| 195 } | |
| 196 | |
| 197 if (TraceGPUInteraction) { | |
| 198 tty->print_cr("[CUDA] Got the handle of first compute-device"); | |
| 199 } | |
| 200 | |
| 201 /* Get device attributes */ | |
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202 int minor, major; |
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203 int unified_addressing; |
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204 float version = 0.0; |
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205 |
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206 /* Get the compute capability of the device found */ |
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207 status = _cuda_cu_device_get_attribute(&minor, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, _cu_device); |
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208 if (status != GRAAL_CUDA_SUCCESS) { |
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209 tty->print_cr("[CUDA] Failed to get minor attribute of device: %d", _cu_device); |
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210 return false; |
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211 } |
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212 status = _cuda_cu_device_get_attribute(&major, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, _cu_device); |
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213 if (status != GRAAL_CUDA_SUCCESS) { |
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214 tty->print_cr("[CUDA] Failed to get major attribute of device: %d", _cu_device); |
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215 return false; |
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216 } |
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217 |
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218 /* Check if the device supports atleast GRAAL_SUPPORTED_COMPUTE_CAPABILITY_VERSION */ |
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219 version = (float) major + ((float) minor)/10; |
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220 |
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221 if (version < GRAAL_SUPPORTED_COMPUTE_CAPABILITY_VERSION) { |
|
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222 tty->print_cr("[CUDA] Only cuda compute capability %.1f and later supported. Device %d supports %.1f", |
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223 (float) GRAAL_SUPPORTED_COMPUTE_CAPABILITY_VERSION, _cu_device, version); |
|
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224 return false; |
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225 } |
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226 |
|
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227 if (TraceGPUInteraction) { |
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228 tty->print_cr("[CUDA] Device %d supports cuda compute capability %.1f", _cu_device, version); |
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229 } |
| 10879 | 230 |
|
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231 status = _cuda_cu_device_get_attribute(&unified_addressing, GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING, _cu_device); |
|
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232 |
|
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233 if (status != GRAAL_CUDA_SUCCESS) { |
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234 tty->print_cr("[CUDA] Failed to query unified addressing mode of device: %d", _cu_device); |
|
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235 return false; |
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236 } |
|
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237 /* The CUDA driver runtime interaction and generated code as implemented requires |
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238 that the device supports Unified Addressing. |
|
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239 */ |
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240 if (unified_addressing == 0) { |
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241 tty->print_cr("[CUDA] CUDA device %d does NOT have required Unified Addressing support.", _cu_device); |
|
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242 return false; |
|
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243 } |
|
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244 |
|
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245 if (TraceGPUInteraction) { |
|
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246 tty->print_cr("[CUDA] Device %d has Unified Addressing support", _cu_device); |
|
11283
1cd1f8ff70a1
CR-20: PTX kernel invocation with arguments - from Bharadwaj
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|
247 } |
|
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248 |
| 10879 | 249 /* Get device name */ |
| 250 char device_name[256]; | |
|
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|
251 status = _cuda_cu_device_get_name(device_name, 256, _cu_device); |
| 10879 | 252 |
| 253 if (status != GRAAL_CUDA_SUCCESS) { | |
|
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254 tty->print_cr("[CUDA] Failed to get name of device: %d", _cu_device); |
| 10879 | 255 return false; |
| 256 } | |
| 257 | |
| 258 if (TraceGPUInteraction) { | |
| 259 tty->print_cr("[CUDA] Using %s", device_name); | |
| 260 } | |
| 261 | |
|
13922
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
262 // Create CUDA context to compile and execute the kernel |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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263 |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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264 status = _cuda_cu_ctx_create(&_device_context, GRAAL_CU_CTX_MAP_HOST, _cu_device); |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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265 |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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266 if (status != GRAAL_CUDA_SUCCESS) { |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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267 tty->print_cr("[CUDA] Failed to create CUDA context for device(%d): %d", _cu_device, status); |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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268 return false; |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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parents:
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|
269 } |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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parents:
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|
270 if (TraceGPUInteraction) { |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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271 tty->print_cr("[CUDA] Success: Created context for device: %d", _cu_device); |
|
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272 } |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
273 |
|
13819
49db2c1e3bee
added support for co-existing GPU backends (JBS:GRAAL-1)
Doug Simon <doug.simon@oracle.com>
parents:
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|
274 gpu::initialized_gpu(device_name); |
|
11842
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275 |
| 10879 | 276 return true; |
|
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added support for co-existing GPU backends (JBS:GRAAL-1)
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|
277 GPU_END |
| 10879 | 278 |
|
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51584f76462d
pulled Ptx and Hsail classes out of gpu class namespace
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parents:
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279 GPU_ENTRY(jint, Ptx::get_total_cores, (JNIEnv *env, jobject)) |
|
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280 |
|
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281 int minor, major, nmp; |
|
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282 int status = _cuda_cu_device_get_attribute(&minor, |
|
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283 GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, |
|
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284 _cu_device); |
|
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285 |
|
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|
286 if (status != GRAAL_CUDA_SUCCESS) { |
|
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287 tty->print_cr("[CUDA] Failed to get minor attribute of device: %d", _cu_device); |
|
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288 return 0; |
|
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|
289 } |
|
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|
290 |
|
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|
291 status = _cuda_cu_device_get_attribute(&major, |
|
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|
292 GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, |
|
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|
293 _cu_device); |
|
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|
294 |
|
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|
295 if (status != GRAAL_CUDA_SUCCESS) { |
|
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|
296 tty->print_cr("[CUDA] Failed to get major attribute of device: %d", _cu_device); |
|
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297 return 0; |
|
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|
298 } |
|
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|
299 |
|
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|
300 status = _cuda_cu_device_get_attribute(&nmp, |
|
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|
301 GRAAL_CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT, |
|
8d8f63069f58
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diff
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|
302 _cu_device); |
|
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PTX warp limiter to available GPU processors
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|
303 |
|
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diff
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|
304 if (status != GRAAL_CUDA_SUCCESS) { |
|
13819
49db2c1e3bee
added support for co-existing GPU backends (JBS:GRAAL-1)
Doug Simon <doug.simon@oracle.com>
parents:
13753
diff
changeset
|
305 tty->print_cr("[CUDA] Failed to get number of MPs on device: %d", _cu_device); |
|
11842
8d8f63069f58
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diff
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|
306 return 0; |
|
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parents:
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diff
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|
307 } |
|
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PTX warp limiter to available GPU processors
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parents:
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diff
changeset
|
308 |
|
8d8f63069f58
PTX warp limiter to available GPU processors
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diff
changeset
|
309 int total = nmp * ncores(major, minor); |
|
8d8f63069f58
PTX warp limiter to available GPU processors
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diff
changeset
|
310 |
|
11894
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
311 int max_threads_per_block, warp_size, async_engines, can_map_host_memory, concurrent_kernels; |
|
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Fixed BasicPTXTest and IntegerPTXTest
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diff
changeset
|
312 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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diff
changeset
|
313 status = _cuda_cu_device_get_attribute(&max_threads_per_block, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
314 GRAAL_CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
315 _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
316 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
317 if (status != GRAAL_CUDA_SUCCESS) { |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
318 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK: %d", _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
319 return 0; |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
320 } |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
321 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
322 status = _cuda_cu_device_get_attribute(&warp_size, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
323 GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
324 _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
325 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
326 if (status != GRAAL_CUDA_SUCCESS) { |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
327 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE: %d", _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
328 return 0; |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
329 } |
|
12653
1a7e7011a341
* PTX kernel argument buffer now has naturally aligned arguments as required by PTX JIT compiler.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
12519
diff
changeset
|
330 |
|
11894
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
331 status = _cuda_cu_device_get_attribute(&async_engines, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
332 GRAAL_CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
333 _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
334 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
335 if (status != GRAAL_CUDA_SUCCESS) { |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
336 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE: %d", _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
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|
337 return 0; |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
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diff
changeset
|
338 } |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
339 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
340 status = _cuda_cu_device_get_attribute(&can_map_host_memory, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
341 GRAAL_CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
342 _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
343 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
344 if (status != GRAAL_CUDA_SUCCESS) { |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
345 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY: %d", _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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diff
changeset
|
346 return 0; |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
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diff
changeset
|
347 } |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
348 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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diff
changeset
|
349 status = _cuda_cu_device_get_attribute(&concurrent_kernels, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
350 GRAAL_CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS, |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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diff
changeset
|
351 _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
352 |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
353 if (status != GRAAL_CUDA_SUCCESS) { |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
354 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS: %d", _cu_device); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
355 return 0; |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
356 } |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
357 |
|
11842
8d8f63069f58
PTX warp limiter to available GPU processors
Morris Meyer <morris.meyer@oracle.com>
parents:
11822
diff
changeset
|
358 if (TraceGPUInteraction) { |
|
11894
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
11843
diff
changeset
|
359 tty->print_cr("[CUDA] Number of cores: %d async engines: %d can map host mem: %d concurrent kernels: %d", |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
360 total, async_engines, can_map_host_memory, concurrent_kernels); |
|
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
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parents:
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diff
changeset
|
361 tty->print_cr("[CUDA] Max threads per block: %d warp size: %d", max_threads_per_block, warp_size); |
|
11842
8d8f63069f58
PTX warp limiter to available GPU processors
Morris Meyer <morris.meyer@oracle.com>
parents:
11822
diff
changeset
|
362 } |
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363 return total; |
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364 GPU_END |
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365 |
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366 GPU_ENTRY(jlong, Ptx::generate_kernel, (JNIEnv *env, jclass, jbyteArray code_handle, jstring name_handle)) |
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367 ResourceMark rm; |
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368 jsize name_len = env->GetStringLength(name_handle); |
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369 jsize code_len = env->GetArrayLength(code_handle); |
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* PTX kernel argument buffer now has naturally aligned arguments as required by PTX JIT compiler.
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370 |
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371 char* name = NEW_RESOURCE_ARRAY(char, name_len + 1); |
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372 unsigned char *code = NEW_RESOURCE_ARRAY(unsigned char, code_len + 1); |
|
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373 |
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374 code[code_len] = 0; |
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375 name[name_len] = 0; |
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376 |
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377 env->GetByteArrayRegion(code_handle, 0, code_len, (jbyte*) code); |
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378 env->GetStringUTFRegion(name_handle, 0, name_len, name); |
| 10879 | 379 |
| 380 struct CUmod_st * cu_module; | |
| 381 // Use three JIT compiler options | |
| 382 const unsigned int jit_num_options = 3; | |
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383 int *jit_options = NEW_RESOURCE_ARRAY(int, jit_num_options); |
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384 void **jit_option_values = NEW_RESOURCE_ARRAY(void *, jit_num_options); |
| 10879 | 385 |
| 386 // Set up PTX JIT compiler options | |
| 387 // 1. set size of compilation log buffer | |
| 388 int jit_log_buffer_size = 1024; | |
| 389 jit_options[0] = GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES; | |
| 390 jit_option_values[0] = (void *)(size_t)jit_log_buffer_size; | |
| 391 | |
| 392 // 2. set pointer to compilation log buffer | |
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393 char *jit_log_buffer = NEW_RESOURCE_ARRAY(char, jit_log_buffer_size); |
| 10879 | 394 jit_options[1] = GRAAL_CU_JIT_INFO_LOG_BUFFER; |
| 395 jit_option_values[1] = jit_log_buffer; | |
| 396 | |
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397 // 3. set pointer to set the maximum number of registers (32) for the kernel |
| 10879 | 398 int jit_register_count = 32; |
| 399 jit_options[2] = GRAAL_CU_JIT_MAX_REGISTERS; | |
| 400 jit_option_values[2] = (void *)(size_t)jit_register_count; | |
| 401 | |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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402 // Set CUDA context to compile and execute the kernel |
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403 |
|
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404 if (_device_context == NULL) { |
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405 tty->print_cr("[CUDA] Encountered uninitialized CUDA context for device(%d)", _cu_device); |
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406 return 0L; |
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407 } |
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408 |
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409 int status = _cuda_cu_ctx_set_current(_device_context); |
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410 |
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411 if (status != GRAAL_CUDA_SUCCESS) { |
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412 tty->print_cr("[CUDA] Failed to set current context for device: %d", _cu_device); |
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413 return 0L; |
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414 } |
|
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415 |
|
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416 if (TraceGPUInteraction) { |
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417 tty->print_cr("[CUDA] Success: Set current context for device: %d", _cu_device); |
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418 tty->print_cr("[CUDA] PTX Kernel\n%s", code); |
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419 tty->print_cr("[CUDA] Function name : %s", name); |
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420 } |
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421 |
| 10879 | 422 /* Load module's data with compiler options */ |
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423 status = _cuda_cu_module_load_data_ex(&cu_module, (void*) code, jit_num_options, |
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424 jit_options, (void **)jit_option_values); |
| 10879 | 425 if (status != GRAAL_CUDA_SUCCESS) { |
| 426 if (status == GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU) { | |
| 427 tty->print_cr("[CUDA] Check for malformed PTX kernel or incorrect PTX compilation options"); | |
| 428 } | |
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429 tty->print_cr("[CUDA] *** Error (%d) Failed to load module data with online compiler options for method %s", |
| 10879 | 430 status, name); |
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431 return 0L; |
| 10879 | 432 } |
| 433 | |
| 434 if (TraceGPUInteraction) { | |
| 435 tty->print_cr("[CUDA] Loaded data for PTX Kernel"); | |
| 436 } | |
| 437 | |
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438 struct CUfunc_st* cu_function; |
| 10879 | 439 status = _cuda_cu_module_get_function(&cu_function, cu_module, name); |
| 440 | |
| 441 if (status != GRAAL_CUDA_SUCCESS) { | |
|
11283
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CR-20: PTX kernel invocation with arguments - from Bharadwaj
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442 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name); |
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443 return 0L; |
| 10879 | 444 } |
| 445 | |
| 446 if (TraceGPUInteraction) { | |
|
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de839ec35cc7
schedule lambda method compilation and execution on GPU (PTX) when possible; fix a couple of bugs.
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447 tty->print_cr("[CUDA] Got function handle for %s kernel address %p", name, cu_function); |
| 10879 | 448 } |
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449 return (jlong) cu_function; |
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450 GPU_END |
| 10879 | 451 |
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452 // A PtxCall is used to manage executing a GPU kernel. In addition to launching |
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453 // the kernel, this class releases resources allocated for the execution. |
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454 class PtxCall: StackObj { |
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455 private: |
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456 JavaThread* _thread; // the thread on which this call is made |
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457 address _buffer; // buffer containing parameters and _return_value |
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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458 int _buffer_size; // size (in bytes) of _buffer |
|
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459 oop* _pinned; // objects that have been pinned with cuMemHostRegister |
|
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460 int _pinned_length; // length of _pinned |
|
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461 Ptx::CUdeviceptr _ret_value; // pointer to slot in GPU memory holding the return value |
|
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462 int _ret_type_size; // size of the return type value |
|
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|
463 bool _ret_is_object; // specifies if the return type is Object |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
13834
diff
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|
464 bool _gc_locked; // denotes when execution has locked GC |
|
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465 |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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466 bool check(int status, const char *action) { |
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467 if (status != GRAAL_CUDA_SUCCESS) { |
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|
468 Thread* THREAD = _thread; |
|
14040
2d95cf7a29c8
Fixes PTX test failure and a crash when TraceGPUInteraction flag is specified.
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diff
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|
469 ResourceMark rm(THREAD); |
|
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|
470 char* message = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, O_BUFLEN + 1); |
|
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471 jio_snprintf(message, O_BUFLEN, "[CUDA] *** Error (status=%d): %s", status, action); |
|
13833
fe99bfb55626
disable printing of CUDA errors unless TraceGPUInteraction is enabled
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|
472 if (TraceGPUInteraction) { |
|
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473 tty->print_cr(message); |
|
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474 } |
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|
475 if (!HAS_PENDING_EXCEPTION) { |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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476 SharedRuntime::throw_and_post_jvmti_exception(_thread, vmSymbols::java_lang_RuntimeException(), message); |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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477 } |
|
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|
478 return false; |
|
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479 } |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
480 if (TraceGPUInteraction) { |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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481 tty->print_cr("[CUDA] Success: %s", action); |
|
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482 } |
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|
483 return true; |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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484 } |
|
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partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
485 |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
486 public: |
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487 PtxCall(JavaThread* thread, address buffer, int buffer_size, oop* pinned, int encodedReturnTypeSize) : _thread(thread), _gc_locked(false), |
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488 _buffer(buffer), _buffer_size(buffer_size), _pinned(pinned), _pinned_length(0), _ret_value(0), _ret_is_object(encodedReturnTypeSize < 0) { |
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489 _ret_type_size = _ret_is_object ? -encodedReturnTypeSize : encodedReturnTypeSize; |
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490 } |
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491 |
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492 bool is_object_return() { return _ret_is_object; } |
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493 |
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494 void alloc_return_value() { |
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495 if (_ret_type_size != 0) { |
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496 if (check(Ptx::_cuda_cu_memalloc(&_ret_value, _ret_type_size), "Allocate device memory for return value")) { |
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497 Ptx::CUdeviceptr* retValuePtr = (Ptx::CUdeviceptr*) ((_buffer + _buffer_size) - sizeof(_ret_value)); |
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498 *retValuePtr = _ret_value; |
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499 } |
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500 } |
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501 } |
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502 |
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503 void pin_objects(int count, int* objectOffsets) { |
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504 if (count == 0) { |
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505 return; |
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506 } |
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507 // Once we start pinning objects, no GC must occur |
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508 // until the kernel has completed. This is a big |
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509 // hammer for ensuring we can safely pass objects |
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510 // to the GPU. |
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511 GC_locker::lock_critical(_thread); |
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512 _gc_locked = true; |
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513 if (TraceGPUInteraction) { |
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514 tty->print_cr("[CUDA] Locked GC"); |
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515 } |
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516 |
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517 for (int i = 0; i < count; i++) { |
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518 int offset = objectOffsets[i]; |
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519 oop* argPtr = (oop*) (_buffer + offset); |
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520 oop obj = *argPtr; |
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521 if (obj != NULL) { |
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522 // Size (in bytes) of object |
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523 int objSize = obj->size() * HeapWordSize; |
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524 //tty->print_cr("Pinning object %d at offset %d: %p", i, offset, obj); |
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525 if (!check(Ptx::_cuda_cu_mem_host_register(obj, objSize, GRAAL_CU_MEMHOSTREGISTER_DEVICEMAP), "Pin object")) { |
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526 return; |
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527 } |
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528 |
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529 // Record original oop so that its memory can be unpinned |
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530 _pinned[_pinned_length++] = obj; |
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531 |
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532 // Replace host pointer to object with device pointer |
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533 // to object in kernel parameters buffer |
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534 if (!check(Ptx::_cuda_cu_mem_host_get_device_pointer((Ptx::CUdeviceptr*) argPtr, obj, 0), "Get device pointer for pinned object")) { |
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535 return; |
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536 } |
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537 } |
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538 } |
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539 } |
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540 |
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541 void launch(address kernel, jint dimX, jint dimY, jint dimZ) { |
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542 // grid dimensionality |
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543 unsigned int gridX = 1; |
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544 unsigned int gridY = 1; |
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545 unsigned int gridZ = 1; |
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546 void * config[] = { |
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547 GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER, (char*) (address) _buffer, |
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548 GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE, &_buffer_size, |
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549 GRAAL_CU_LAUNCH_PARAM_END |
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550 }; |
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551 if (check(Ptx::_cuda_cu_launch_kernel((struct CUfunc_st*) (address) kernel, |
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552 gridX, gridY, gridZ, |
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553 dimX, dimY, dimZ, |
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554 0, NULL, NULL, (void**) &config), "Launch kernel")) { |
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555 } |
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556 } |
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557 |
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558 void synchronize() { |
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559 check(Ptx::_cuda_cu_ctx_synchronize(), "Synchronize kernel"); |
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560 } |
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561 |
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562 void unpin_objects() { |
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563 while (_pinned_length > 0) { |
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564 oop obj = _pinned[--_pinned_length]; |
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565 assert(obj != NULL, "npe"); |
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566 //tty->print_cr("Unpinning object %d: %p", _pinned_length, obj); |
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567 if (!check(Ptx::_cuda_cu_mem_host_unregister(obj), "Unpin object")) { |
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568 return; |
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569 } |
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570 } |
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571 } |
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572 |
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573 oop get_object_return_value() { |
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574 oop return_val; |
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575 check(Ptx::_cuda_cu_memcpy_dtoh(&return_val, _ret_value, T_OBJECT_BYTE_SIZE), "Copy return value from device"); |
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576 return return_val; |
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577 } |
|
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578 |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
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|
579 jlong get_primitive_return_value() { |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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diff
changeset
|
580 jlong return_val; |
|
13888
51584f76462d
pulled Ptx and Hsail classes out of gpu class namespace
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
581 check(Ptx::_cuda_cu_memcpy_dtoh(&return_val, _ret_value, _ret_type_size), "Copy return value from device"); |
|
13753
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
582 return return_val; |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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|
583 } |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
584 |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
585 void free_return_value() { |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
586 if (_ret_value != 0) { |
|
13888
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pulled Ptx and Hsail classes out of gpu class namespace
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changeset
|
587 check(Ptx::_cuda_cu_memfree(_ret_value), "Free device memory"); |
|
13753
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|
588 _ret_value = 0; |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
589 } |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
590 } |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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diff
changeset
|
591 |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
592 ~PtxCall() { |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
593 unpin_objects(); |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
594 free_return_value(); |
|
13832
ab370d74a8eb
implemented GC locking for duration of a PTX kernel call
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changeset
|
595 if (_gc_locked) { |
|
ab370d74a8eb
implemented GC locking for duration of a PTX kernel call
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changeset
|
596 GC_locker::unlock_critical(_thread); |
|
ab370d74a8eb
implemented GC locking for duration of a PTX kernel call
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597 if (TraceGPUInteraction) { |
|
ab370d74a8eb
implemented GC locking for duration of a PTX kernel call
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|
598 tty->print_cr("[CUDA] Unlocked GC"); |
|
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implemented GC locking for duration of a PTX kernel call
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changeset
|
599 } |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
600 _gc_locked = false; |
|
13832
ab370d74a8eb
implemented GC locking for duration of a PTX kernel call
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601 } |
|
13753
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
602 } |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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|
603 }; |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
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|
604 |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
605 // Prints values in the kernel arguments buffer |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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606 class KernelArgumentsPrinter: public SignatureIterator { |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
607 Method* _method; |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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608 address _buffer; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
609 size_t _bufferOffset; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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610 outputStream* _st; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
611 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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612 private: |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
613 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
614 // Get next java argument |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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615 oop next_arg(BasicType expectedType); |
|
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616 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
617 public: |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
618 KernelArgumentsPrinter(Method* method, address buffer, outputStream* st) : SignatureIterator(method->signature()), |
|
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619 _method(method), _buffer(buffer), _bufferOffset(0), _st(st) { |
|
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620 if (!method->is_static()) { |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
621 print_oop(); |
|
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622 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
623 iterate(); |
|
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|
624 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
625 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
626 address next(size_t dataSz) { |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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627 if (is_return_type()) { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
628 return _buffer; |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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629 } |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
630 if (_bufferOffset != 0) { |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
631 _st->print(", "); |
|
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Doug Simon <doug.simon@oracle.com>
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632 } |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
633 _bufferOffset = align_size_up_(_bufferOffset, dataSz); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
634 address result = _buffer + _bufferOffset; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
635 _bufferOffset += dataSz; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
636 return result; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
637 } |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
638 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
639 void print_oop() { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
640 oop obj = *((oop*) next(sizeof(oop))); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
641 if (obj != NULL) { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
642 char type[256]; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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diff
changeset
|
643 obj->klass()->name()->as_C_string(type, 256); |
|
13851
b3e69d1f5da0
fixed non-PRODUCT build compilation error
Doug Simon <doug.simon@oracle.com>
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13848
diff
changeset
|
644 _st->print("oop "PTR_FORMAT" (%s)", (address) obj, type); |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
645 } else { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
646 _st->print("oop null"); |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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diff
changeset
|
647 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
648 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
649 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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changeset
|
650 bool skip() { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
651 return is_return_type(); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
652 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
653 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
654 void do_bool () { if (!skip()) _st->print("bool %d", *((jboolean*) next(sizeof(jboolean)))); } |
|
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removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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655 void do_char () { if (!skip()) _st->print("char %c", *((jchar*) next(sizeof(jchar)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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changeset
|
656 void do_float () { if (!skip()) _st->print("float %g", *((jfloat*) next(sizeof(jfloat)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
657 void do_double() { if (!skip()) _st->print("double %g", *((jdouble*) next(sizeof(jdouble)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
658 void do_byte () { if (!skip()) _st->print("byte %d", *((jbyte*) next(sizeof(jbyte)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
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diff
changeset
|
659 void do_short () { if (!skip()) _st->print("short %d", *((jshort*) next(sizeof(jshort)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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changeset
|
660 void do_int () { if (!skip()) _st->print("int %d", *((jint*) next(sizeof(jint)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
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|
661 void do_long () { if (!skip()) _st->print("long "JLONG_FORMAT, *((jlong*) next(sizeof(jlong)))); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
662 void do_void () { } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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13834
diff
changeset
|
663 void do_object(int begin, int end) { if (!skip()) print_oop(); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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13834
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changeset
|
664 void do_array (int begin, int end) { if (!skip()) print_oop(); } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
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|
665 }; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
666 |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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13834
diff
changeset
|
667 static void printKernelArguments(JavaThread* thread, address buffer) { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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13834
diff
changeset
|
668 for (vframeStream vfst(thread); !vfst.at_end(); vfst.next()) { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
13834
diff
changeset
|
669 Method* m = vfst.method(); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
13834
diff
changeset
|
670 if (m != NULL) { |
|
14040
2d95cf7a29c8
Fixes PTX test failure and a crash when TraceGPUInteraction flag is specified.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
13922
diff
changeset
|
671 ResourceMark rm; |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
672 stringStream st(O_BUFLEN); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
673 st.print("[CUDA] Call: %s.%s(", m->method_holder()->name()->as_C_string(), m->name()->as_C_string()); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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changeset
|
674 KernelArgumentsPrinter kap(m, buffer, &st); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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changeset
|
675 tty->print_cr("%s)", st.as_string()); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
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|
676 return; |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
677 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
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|
678 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
679 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
Doug Simon <doug.simon@oracle.com>
parents:
13834
diff
changeset
|
680 |
|
13922
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
13888
diff
changeset
|
681 GPU_VMENTRY(void, Ptx::destroy_ptx_context, (void)) |
|
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
13888
diff
changeset
|
682 if (_device_context != NULL) { |
|
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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683 int status = _cuda_cu_ctx_destroy(_device_context); |
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684 if (status != GRAAL_CUDA_SUCCESS) { |
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685 if (TraceGPUInteraction) { |
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686 tty->print_cr("[CUDA] Error(%d) : Failed to destroy context", status); |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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687 } |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
688 _device_context = NULL; |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
689 } else { |
|
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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parents:
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690 if (TraceGPUInteraction) { |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
691 tty->print_cr("[CUDA] Destroyed context", status); |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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692 } |
|
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693 } |
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
694 } |
|
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|
695 |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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|
696 GPU_END |
|
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Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
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diff
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|
697 |
|
13888
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parents:
13851
diff
changeset
|
698 GPU_VMENTRY(jlong, Ptx::get_execute_kernel_from_vm_address, (JNIEnv *env, jclass)) |
|
51584f76462d
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|
699 return (jlong) Ptx::execute_kernel_from_vm; |
|
13819
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700 GPU_END |
|
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|
701 |
|
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diff
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|
702 JRT_ENTRY(jlong, Ptx::execute_kernel_from_vm(JavaThread* thread, jlong kernel, jint dimX, jint dimY, jint dimZ, |
|
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703 jlong buffer, |
|
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704 jint bufferSize, |
|
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705 jint objectParametersCount, |
|
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|
706 jlong objectParametersOffsets, |
|
80cd5c3b8827
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diff
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|
707 jlong pinnedObjects, |
|
13648
27acedac70b7
added support for @ParallelOver annotation in PTX kernel call wrapper
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
708 int encodedReturnTypeSize)) |
|
13624
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|
709 if (kernel == 0L) { |
|
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|
710 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException(), NULL); |
|
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|
711 return 0L; |
|
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712 } |
|
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initial code for calling PTX kernel code from Java with parameter marshaling and return value unmarshaling performed by a wrapper specified via manual graph construction
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parents:
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changeset
|
713 |
|
13848
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
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diff
changeset
|
714 if (TraceGPUInteraction) { |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
13834
diff
changeset
|
715 printKernelArguments(thread, (address) buffer); |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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parents:
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|
716 } |
|
b97e2515d392
removed PTXKernelArguments; added mechanism for printing incoming kernel arguments
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|
717 |
|
13753
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Doug Simon <doug.simon@oracle.com>
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|
718 PtxCall call(thread, (address) buffer, bufferSize, (oop*) (address) pinnedObjects, encodedReturnTypeSize); |
|
13624
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|
719 |
|
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|
720 #define TRY(action) do { \ |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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changeset
|
721 action; \ |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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|
722 if (HAS_PENDING_EXCEPTION) return 0L; \ |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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|
723 } while (0) |
|
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
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|
724 |
|
13753
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parents:
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|
725 TRY(call.alloc_return_value()); |
|
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Doug Simon <doug.simon@oracle.com>
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changeset
|
726 |
|
13753
80cd5c3b8827
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
727 TRY(call.pin_objects(objectParametersCount, (int*) (address) objectParametersOffsets)); |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
728 |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
729 TRY(call.launch((address) kernel, dimX, dimY, dimZ)); |
|
13624
220ed109bf77
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parents:
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diff
changeset
|
730 |
|
13753
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
parents:
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|
731 TRY(call.synchronize()); |
|
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diff
changeset
|
732 |
|
13753
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
733 if (call.is_object_return()) { |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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diff
changeset
|
734 oop return_val; |
|
80cd5c3b8827
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
735 TRY(return_val = call.get_object_return_value()); |
|
80cd5c3b8827
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
736 thread->set_vm_result(return_val); |
|
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diff
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|
737 return 0L; |
|
220ed109bf77
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diff
changeset
|
738 } |
|
220ed109bf77
initial code for calling PTX kernel code from Java with parameter marshaling and return value unmarshaling performed by a wrapper specified via manual graph construction
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
739 |
|
13753
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
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parents:
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changeset
|
740 jlong return_val; |
|
80cd5c3b8827
partially fixed passing of object parameters to PTX kernels; use a C++ object for managing resource allocation and cleanup around a PTX kernel execution
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
741 TRY(return_val = call.get_primitive_return_value()); |
|
80cd5c3b8827
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parents:
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diff
changeset
|
742 return return_val; |
|
13624
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parents:
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diff
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|
743 |
|
13753
80cd5c3b8827
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parents:
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diff
changeset
|
744 #undef TRY |
|
13624
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
745 |
|
220ed109bf77
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|
746 JRT_END |
|
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Doug Simon <doug.simon@oracle.com>
parents:
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|
747 |
| 10879 | 748 #if defined(LINUX) |
|
13922
0995dcbd6dd8
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
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diff
changeset
|
749 static const char cuda_library_name[] = "/usr/lib/libcuda.so"; |
| 10879 | 750 #elif defined(__APPLE__) |
| 751 static char const cuda_library_name[] = "/usr/local/cuda/lib/libcuda.dylib"; | |
| 752 #else | |
| 753 static char const cuda_library_name[] = ""; | |
| 754 #endif | |
| 755 | |
|
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pulled Ptx and Hsail classes out of gpu class namespace
Doug Simon <doug.simon@oracle.com>
parents:
13851
diff
changeset
|
756 bool Ptx::link() { |
|
13819
49db2c1e3bee
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
757 if (cuda_library_name == NULL) { |
|
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parents:
13753
diff
changeset
|
758 if (TraceGPUInteraction) { |
|
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changeset
|
759 tty->print_cr("Failed to find CUDA linkage"); |
|
49db2c1e3bee
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changeset
|
760 } |
|
49db2c1e3bee
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|
761 return false; |
|
49db2c1e3bee
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Doug Simon <doug.simon@oracle.com>
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changeset
|
762 } |
|
49db2c1e3bee
added support for co-existing GPU backends (JBS:GRAAL-1)
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|
763 char ebuf[O_BUFLEN]; |
|
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added support for co-existing GPU backends (JBS:GRAAL-1)
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changeset
|
764 void *handle = os::dll_load(cuda_library_name, ebuf, O_BUFLEN); |
|
49db2c1e3bee
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Doug Simon <doug.simon@oracle.com>
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changeset
|
765 if (handle == NULL) { |
|
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diff
changeset
|
766 if (TraceGPUInteraction) { |
|
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changeset
|
767 tty->print_cr("Unsupported CUDA platform: %s", ebuf); |
|
49db2c1e3bee
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|
768 } |
|
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diff
changeset
|
769 return false; |
|
49db2c1e3bee
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
770 } |
|
10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
771 |
|
13819
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parents:
13753
diff
changeset
|
772 LOOKUP_CUDA_FUNCTION(cuInit, cuda_cu_init); |
|
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Doug Simon <doug.simon@oracle.com>
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changeset
|
773 LOOKUP_CUDA_FUNCTION(cuCtxSynchronize, cuda_cu_ctx_synchronize); |
|
49db2c1e3bee
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diff
changeset
|
774 LOOKUP_CUDA_FUNCTION(cuCtxGetCurrent, cuda_cu_ctx_get_current); |
|
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changeset
|
775 LOOKUP_CUDA_FUNCTION(cuCtxSetCurrent, cuda_cu_ctx_set_current); |
|
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changeset
|
776 LOOKUP_CUDA_FUNCTION(cuDeviceGetCount, cuda_cu_device_get_count); |
|
49db2c1e3bee
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changeset
|
777 LOOKUP_CUDA_FUNCTION(cuDeviceGetName, cuda_cu_device_get_name); |
|
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changeset
|
778 LOOKUP_CUDA_FUNCTION(cuDeviceGet, cuda_cu_device_get); |
|
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diff
changeset
|
779 LOOKUP_CUDA_FUNCTION(cuDeviceComputeCapability, cuda_cu_device_compute_capability); |
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780 LOOKUP_CUDA_FUNCTION(cuDeviceGetAttribute, cuda_cu_device_get_attribute); |
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781 LOOKUP_CUDA_FUNCTION(cuModuleGetFunction, cuda_cu_module_get_function); |
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782 LOOKUP_CUDA_FUNCTION(cuModuleLoadDataEx, cuda_cu_module_load_data_ex); |
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783 LOOKUP_CUDA_FUNCTION(cuLaunchKernel, cuda_cu_launch_kernel); |
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784 LOOKUP_CUDA_FUNCTION(cuMemHostRegister, cuda_cu_mem_host_register); |
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785 LOOKUP_CUDA_FUNCTION(cuMemHostUnregister, cuda_cu_mem_host_unregister); |
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786 #if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) |
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787 LOOKUP_CUDA_V2_FUNCTION(cuCtxCreate, cuda_cu_ctx_create); |
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788 LOOKUP_CUDA_V2_FUNCTION(cuCtxDestroy, cuda_cu_ctx_destroy); |
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789 LOOKUP_CUDA_V2_FUNCTION(cuMemAlloc, cuda_cu_memalloc); |
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790 LOOKUP_CUDA_V2_FUNCTION(cuMemFree, cuda_cu_memfree); |
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791 LOOKUP_CUDA_V2_FUNCTION(cuMemcpyHtoD, cuda_cu_memcpy_htod); |
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792 LOOKUP_CUDA_V2_FUNCTION(cuMemcpyDtoH, cuda_cu_memcpy_dtoh); |
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793 LOOKUP_CUDA_V2_FUNCTION(cuMemHostGetDevicePointer, cuda_cu_mem_host_get_device_pointer); |
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794 #else |
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795 LOOKUP_CUDA_FUNCTION(cuCtxCreate, cuda_cu_ctx_create); |
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796 LOOKUP_CUDA_FUNCTION(cuCtxDestroy, cuda_cu_ctx_destroy); |
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797 LOOKUP_CUDA_FUNCTION(cuMemAlloc, cuda_cu_memalloc); |
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798 LOOKUP_CUDA_FUNCTION(cuMemFree, cuda_cu_memfree); |
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799 LOOKUP_CUDA_FUNCTION(cuMemcpyHtoD, cuda_cu_memcpy_htod); |
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800 LOOKUP_CUDA_FUNCTION(cuMemcpyDtoH, cuda_cu_memcpy_dtoh); |
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801 LOOKUP_CUDA_FUNCTION(cuMemHostGetDevicePointer, cuda_cu_mem_host_get_device_pointer); |
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802 #endif |
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803 |
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804 if (TraceGPUInteraction) { |
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805 tty->print_cr("[CUDA] Success: library linkage"); |
| 10879 | 806 } |
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807 return true; |
| 10879 | 808 } |