Mercurial > hg > truffle
annotate src/gpu/hsail/vm/gpu_hsail.cpp @ 13563:fb846424299f
Truffle/Ruby: extend Instrumentation framework with language-agnostic interfaces for access to AST printing utilities and a Ruby implementation
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 07 Jan 2014 18:09:42 -0800 |
parents | 166ed1584f30 |
children | bfd61161d752 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "runtime/javaCalls.hpp" |
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27 #include "runtime/gpu.hpp" |
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28 #include "utilities/globalDefinitions.hpp" |
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29 #include "utilities/ostream.hpp" |
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30 #include "memory/allocation.hpp" |
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31 #include "memory/allocation.inline.hpp" |
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32 #include "hsailKernelArguments.hpp" |
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33 |
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34 void * gpu::Hsail::_device_context; |
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35 |
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36 gpu::Hsail::okra_create_context_func_t gpu::Hsail::_okra_create_context; |
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37 gpu::Hsail::okra_create_kernel_func_t gpu::Hsail::_okra_create_kernel; |
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38 gpu::Hsail::okra_push_object_func_t gpu::Hsail::_okra_push_object; |
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39 gpu::Hsail::okra_push_boolean_func_t gpu::Hsail::_okra_push_boolean; |
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40 gpu::Hsail::okra_push_byte_func_t gpu::Hsail::_okra_push_byte; |
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41 gpu::Hsail::okra_push_double_func_t gpu::Hsail::_okra_push_double; |
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42 gpu::Hsail::okra_push_float_func_t gpu::Hsail::_okra_push_float; |
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43 gpu::Hsail::okra_push_int_func_t gpu::Hsail::_okra_push_int; |
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44 gpu::Hsail::okra_push_long_func_t gpu::Hsail::_okra_push_long; |
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45 gpu::Hsail::okra_execute_with_range_func_t gpu::Hsail::_okra_execute_with_range; |
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46 gpu::Hsail::okra_clearargs_func_t gpu::Hsail::_okra_clearargs; |
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47 gpu::Hsail::okra_register_heap_func_t gpu::Hsail::_okra_register_heap; |
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48 |
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49 |
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50 bool gpu::Hsail::initialize_gpu() { |
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51 // All the initialization is done in the okra library so |
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52 // nothing to do here. |
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53 if (TraceGPUInteraction) { |
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54 tty->print_cr("[HSAIL] Simulator: initialize_gpu"); |
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55 } |
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56 return true; |
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57 } |
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58 |
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59 unsigned int gpu::Hsail::total_cores() { |
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60 // This is not important with simulator |
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61 return 1; |
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62 } |
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63 |
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64 void gpu::Hsail::register_heap() { |
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65 // After the okra functions are set up and the heap is initialized, register the java heap with HSA |
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66 guarantee(Universe::heap() != NULL, "heap should be there by now."); |
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67 if (TraceGPUInteraction) { |
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68 tty->print_cr("[HSAIL] heap=" PTR_FORMAT, Universe::heap()); |
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69 tty->print_cr("[HSAIL] base=0x%08x, capacity=%ld", Universe::heap()->base(), Universe::heap()->capacity()); |
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70 } |
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71 _okra_register_heap(Universe::heap()->base(), Universe::heap()->capacity()); |
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72 } |
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73 |
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74 bool gpu::Hsail::execute_kernel_void_1d(address kernel, int dimX, jobject args, methodHandle& mh) { |
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75 objArrayOop argsArray = (objArrayOop) JNIHandles::resolve(args); |
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76 |
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77 // Reset the kernel arguments |
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78 _okra_clearargs(kernel); |
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79 |
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80 // This object sets up the kernel arguments |
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81 HSAILKernelArguments hka(kernel, mh->signature(), argsArray, mh->is_static()); |
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82 |
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83 // Run the kernel |
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84 bool success = _okra_execute_with_range(kernel, dimX); |
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85 return success; |
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86 } |
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87 |
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88 void *gpu::Hsail::generate_kernel(unsigned char *code, int code_len, const char *name) { |
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89 |
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90 gpu::Hsail::register_heap(); |
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91 |
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92 // The kernel entrypoint is always run for the time being |
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93 const char* entryPointName = "&run"; |
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94 |
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95 _device_context = _okra_create_context(); |
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96 |
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97 // code is not null terminated, must be a better way to do this |
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98 unsigned char* nullTerminatedCodeBuffer = (unsigned char*) malloc(code_len + 1); |
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99 memcpy(nullTerminatedCodeBuffer, code, code_len); |
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100 nullTerminatedCodeBuffer[code_len] = 0; |
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101 void* kernel = _okra_create_kernel(_device_context, nullTerminatedCodeBuffer, entryPointName); |
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102 free(nullTerminatedCodeBuffer); |
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103 return kernel; |
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104 } |
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105 |
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106 #if defined(LINUX) |
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107 static const char okra_library_name[] = "libokra_x86_64.so"; |
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108 #elif defined (_WINDOWS) |
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109 static char const okra_library_name[] = "okra_x86_64.dll"; |
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110 #else |
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111 static char const okra_library_name[] = ""; |
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112 #endif |
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113 |
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114 #define STD_BUFFER_SIZE 1024 |
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115 |
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116 #define STRINGIFY(x) #x |
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117 |
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118 #define LOOKUP_OKRA_FUNCTION(name, alias) \ |
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119 _##alias = \ |
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120 CAST_TO_FN_PTR(alias##_func_t, os::dll_lookup(handle, STRINGIFY(name))); \ |
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121 if (_##alias == NULL) { \ |
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122 tty->print_cr("[HSAIL] ***** Error: Failed to lookup %s in %s, wrong version of OKRA?", STRINGIFY(name), okra_library_name); \ |
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123 return 0; \ |
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124 } \ |
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125 |
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126 bool gpu::Hsail::probe_linkage() { |
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127 if (okra_library_name != NULL) { |
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128 char *buffer = (char*)malloc(STD_BUFFER_SIZE); |
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129 if (TraceGPUInteraction) { |
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130 tty->print_cr("[HSAIL] library is %s", okra_library_name); |
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131 } |
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132 void *handle = os::dll_load(okra_library_name, buffer, STD_BUFFER_SIZE); |
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133 free(buffer); |
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134 if (handle != NULL) { |
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135 |
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136 LOOKUP_OKRA_FUNCTION(okra_create_context, okra_create_context); |
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137 LOOKUP_OKRA_FUNCTION(okra_create_kernel, okra_create_kernel); |
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138 LOOKUP_OKRA_FUNCTION(okra_push_object, okra_push_object); |
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139 LOOKUP_OKRA_FUNCTION(okra_push_boolean, okra_push_boolean); |
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140 LOOKUP_OKRA_FUNCTION(okra_push_byte, okra_push_byte); |
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141 LOOKUP_OKRA_FUNCTION(okra_push_double, okra_push_double); |
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142 LOOKUP_OKRA_FUNCTION(okra_push_float, okra_push_float); |
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143 LOOKUP_OKRA_FUNCTION(okra_push_int, okra_push_int); |
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144 LOOKUP_OKRA_FUNCTION(okra_push_long, okra_push_long); |
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145 LOOKUP_OKRA_FUNCTION(okra_execute_with_range, okra_execute_with_range); |
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146 LOOKUP_OKRA_FUNCTION(okra_clearargs, okra_clearargs); |
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147 LOOKUP_OKRA_FUNCTION(okra_register_heap, okra_register_heap); |
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148 |
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149 return true; |
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150 } else { |
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151 // Unable to dlopen okra |
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153 tty->print_cr("[HSAIL] library load failed."); | |
154 } | |
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155 return false; |
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156 } |
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157 } else { |
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159 tty->print_cr("Unsupported HSAIL platform"); | |
160 } | |
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161 return false; |
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162 } |
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164 tty->print_cr("Failed to find HSAIL linkage"); | |
165 } | |
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166 return false; |
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167 } |