Mercurial > hg > truffle
annotate src/gpu/ptx/vm/gpu_ptx.cpp @ 13556:44288fe54352
Ruby: fix some ?break? semantics.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Wed, 08 Jan 2014 17:42:10 +0000 |
parents | 1a7e7011a341 |
children | 220ed109bf77 |
rev | line source |
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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" |
28 #include "utilities/globalDefinitions.hpp" | |
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 "ptxKernelArguments.hpp" |
10879 | 33 |
34 void * gpu::Ptx::_device_context; | |
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35 int gpu::Ptx::_cu_device = 0; |
10879 | 36 |
37 gpu::Ptx::cuda_cu_init_func_t gpu::Ptx::_cuda_cu_init; | |
38 gpu::Ptx::cuda_cu_ctx_create_func_t gpu::Ptx::_cuda_cu_ctx_create; | |
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39 gpu::Ptx::cuda_cu_ctx_destroy_func_t gpu::Ptx::_cuda_cu_ctx_destroy; |
10879 | 40 gpu::Ptx::cuda_cu_ctx_synchronize_func_t gpu::Ptx::_cuda_cu_ctx_synchronize; |
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41 gpu::Ptx::cuda_cu_ctx_set_current_func_t gpu::Ptx::_cuda_cu_ctx_set_current; |
10879 | 42 gpu::Ptx::cuda_cu_device_get_count_func_t gpu::Ptx::_cuda_cu_device_get_count; |
43 gpu::Ptx::cuda_cu_device_get_name_func_t gpu::Ptx::_cuda_cu_device_get_name; | |
44 gpu::Ptx::cuda_cu_device_get_func_t gpu::Ptx::_cuda_cu_device_get; | |
45 gpu::Ptx::cuda_cu_device_compute_capability_func_t gpu::Ptx::_cuda_cu_device_compute_capability; | |
46 gpu::Ptx::cuda_cu_device_get_attribute_func_t gpu::Ptx::_cuda_cu_device_get_attribute; | |
47 gpu::Ptx::cuda_cu_launch_kernel_func_t gpu::Ptx::_cuda_cu_launch_kernel; | |
48 gpu::Ptx::cuda_cu_module_get_function_func_t gpu::Ptx::_cuda_cu_module_get_function; | |
49 gpu::Ptx::cuda_cu_module_load_data_ex_func_t gpu::Ptx::_cuda_cu_module_load_data_ex; | |
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50 gpu::Ptx::cuda_cu_memcpy_dtoh_func_t gpu::Ptx::_cuda_cu_memcpy_dtoh; |
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51 gpu::Ptx::cuda_cu_memfree_func_t gpu::Ptx::_cuda_cu_memfree; |
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52 gpu::Ptx::cuda_cu_mem_host_register_func_t gpu::Ptx::_cuda_cu_mem_host_register; |
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53 gpu::Ptx::cuda_cu_mem_host_get_device_pointer_func_t gpu::Ptx::_cuda_cu_mem_host_get_device_pointer; |
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54 gpu::Ptx::cuda_cu_mem_host_unregister_func_t gpu::Ptx::_cuda_cu_mem_host_unregister; |
10879 | 55 |
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56 #define STRINGIFY(x) #x |
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57 |
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58 #define LOOKUP_CUDA_FUNCTION(name, alias) \ |
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59 _##alias = \ |
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60 CAST_TO_FN_PTR(alias##_func_t, os::dll_lookup(handle, STRINGIFY(name))); \ |
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61 if (_##alias == NULL) { \ |
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62 tty->print_cr("[CUDA] ***** Error: Failed to lookup %s", STRINGIFY(name)); \ |
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63 return 0; \ |
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64 } \ |
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65 |
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66 #define LOOKUP_CUDA_V2_FUNCTION(name, alias) LOOKUP_CUDA_FUNCTION(name##_v2, alias) |
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67 |
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68 /* |
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69 * see http://en.wikipedia.org/wiki/CUDA#Supported_GPUs |
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70 */ |
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71 int ncores(int major, int minor) { |
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72 int device_type = (major << 4) + minor; |
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73 |
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74 switch (device_type) { |
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75 case 0x10: return 8; |
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76 case 0x11: return 8; |
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77 case 0x12: return 8; |
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78 case 0x13: return 8; |
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79 case 0x20: return 32; |
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80 case 0x21: return 48; |
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81 case 0x30: return 192; |
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82 case 0x35: return 192; |
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83 default: |
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84 tty->print_cr("[CUDA] Warning: Unhandled device %x", device_type); |
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85 return 0; |
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86 } |
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87 } |
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88 |
10879 | 89 bool gpu::Ptx::initialize_gpu() { |
90 | |
91 /* Initialize CUDA driver API */ | |
92 int status = _cuda_cu_init(0); | |
93 if (status != GRAAL_CUDA_SUCCESS) { | |
94 tty->print_cr("Failed to initialize CUDA device"); | |
95 return false; | |
96 } | |
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97 |
10879 | 98 if (TraceGPUInteraction) { |
99 tty->print_cr("CUDA driver initialization: Success"); | |
100 } | |
101 | |
102 /* Get the number of compute-capable device count */ | |
103 int device_count = 0; | |
104 status = _cuda_cu_device_get_count(&device_count); | |
105 if (status != GRAAL_CUDA_SUCCESS) { | |
106 tty->print_cr("[CUDA] Failed to get compute-capable device count"); | |
107 return false; | |
108 } | |
109 | |
110 if (device_count == 0) { | |
111 tty->print_cr("[CUDA] Found no device supporting CUDA"); | |
112 return false; | |
113 } | |
114 | |
115 if (TraceGPUInteraction) { | |
116 tty->print_cr("[CUDA] Number of compute-capable devices found: %d", device_count); | |
117 } | |
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118 |
10879 | 119 /* Get the handle to the first compute device */ |
120 int device_id = 0; | |
121 /* Compute-capable device handle */ | |
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122 status = _cuda_cu_device_get(&_cu_device, device_id); |
10879 | 123 |
124 if (status != GRAAL_CUDA_SUCCESS) { | |
125 tty->print_cr("[CUDA] Failed to get handle of first compute-capable device i.e., the one at ordinal: %d", device_id); | |
126 return false; | |
127 } | |
128 | |
129 if (TraceGPUInteraction) { | |
130 tty->print_cr("[CUDA] Got the handle of first compute-device"); | |
131 } | |
132 | |
133 /* Get device attributes */ | |
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134 int unified_addressing; |
10879 | 135 |
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136 status = _cuda_cu_device_get_attribute(&unified_addressing, GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING, _cu_device); |
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137 |
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138 if (status != GRAAL_CUDA_SUCCESS) { |
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139 tty->print_cr("[CUDA] Failed to query unified addressing mode of device: %d", _cu_device); |
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140 return false; |
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141 } |
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142 |
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143 if (TraceGPUInteraction) { |
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144 tty->print_cr("[CUDA] Unified addressing support on device %d: %d", _cu_device, unified_addressing); |
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145 } |
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146 |
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147 |
10879 | 148 /* Get device name */ |
149 char device_name[256]; | |
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150 status = _cuda_cu_device_get_name(device_name, 256, _cu_device); |
10879 | 151 |
152 if (status != GRAAL_CUDA_SUCCESS) { | |
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153 tty->print_cr("[CUDA] Failed to get name of device: %d", _cu_device); |
10879 | 154 return false; |
155 } | |
156 | |
157 if (TraceGPUInteraction) { | |
158 tty->print_cr("[CUDA] Using %s", device_name); | |
159 } | |
160 | |
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161 |
10879 | 162 return true; |
163 } | |
164 | |
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165 unsigned int gpu::Ptx::total_cores() { |
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166 |
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167 int minor, major, nmp; |
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168 int status = _cuda_cu_device_get_attribute(&minor, |
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169 GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, |
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170 _cu_device); |
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171 |
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172 if (status != GRAAL_CUDA_SUCCESS) { |
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173 tty->print_cr("[CUDA] Failed to get minor attribute of device: %d", _cu_device); |
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174 return 0; |
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175 } |
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176 |
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177 status = _cuda_cu_device_get_attribute(&major, |
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178 GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, |
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179 _cu_device); |
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180 |
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181 if (status != GRAAL_CUDA_SUCCESS) { |
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182 tty->print_cr("[CUDA] Failed to get major attribute of device: %d", _cu_device); |
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183 return 0; |
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184 } |
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185 |
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186 status = _cuda_cu_device_get_attribute(&nmp, |
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187 GRAAL_CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT, |
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188 _cu_device); |
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189 |
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190 if (status != GRAAL_CUDA_SUCCESS) { |
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191 tty->print_cr("[CUDA] Failed to get numberof MPs on device: %d", _cu_device); |
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192 return 0; |
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193 } |
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194 |
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195 int total = nmp * ncores(major, minor); |
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196 |
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197 int max_threads_per_block, warp_size, async_engines, can_map_host_memory, concurrent_kernels; |
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198 |
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199 status = _cuda_cu_device_get_attribute(&max_threads_per_block, |
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200 GRAAL_CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK, |
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201 _cu_device); |
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202 |
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203 if (status != GRAAL_CUDA_SUCCESS) { |
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204 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK: %d", _cu_device); |
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205 return 0; |
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206 } |
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207 |
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208 status = _cuda_cu_device_get_attribute(&warp_size, |
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209 GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE, |
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210 _cu_device); |
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211 |
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212 if (status != GRAAL_CUDA_SUCCESS) { |
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213 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE: %d", _cu_device); |
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214 return 0; |
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215 } |
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216 |
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217 status = _cuda_cu_device_get_attribute(&async_engines, |
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218 GRAAL_CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT, |
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219 _cu_device); |
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220 |
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221 if (status != GRAAL_CUDA_SUCCESS) { |
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222 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_WARP_SIZE: %d", _cu_device); |
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223 return 0; |
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224 } |
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225 |
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226 status = _cuda_cu_device_get_attribute(&can_map_host_memory, |
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227 GRAAL_CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY, |
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228 _cu_device); |
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229 |
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230 if (status != GRAAL_CUDA_SUCCESS) { |
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231 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY: %d", _cu_device); |
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232 return 0; |
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233 } |
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234 |
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235 status = _cuda_cu_device_get_attribute(&concurrent_kernels, |
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236 GRAAL_CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS, |
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237 _cu_device); |
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238 |
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239 if (status != GRAAL_CUDA_SUCCESS) { |
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240 tty->print_cr("[CUDA] Failed to get GRAAL_CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS: %d", _cu_device); |
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241 return 0; |
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242 } |
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243 |
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244 if (TraceGPUInteraction) { |
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245 tty->print_cr("[CUDA] Compatibility version of device %d: %d.%d", _cu_device, major, minor); |
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246 tty->print_cr("[CUDA] Number of cores: %d async engines: %d can map host mem: %d concurrent kernels: %d", |
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247 total, async_engines, can_map_host_memory, concurrent_kernels); |
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248 tty->print_cr("[CUDA] Max threads per block: %d warp size: %d", max_threads_per_block, warp_size); |
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249 } |
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250 return (total); |
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251 |
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252 } |
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253 |
10879 | 254 void *gpu::Ptx::generate_kernel(unsigned char *code, int code_len, const char *name) { |
255 | |
256 struct CUmod_st * cu_module; | |
257 // Use three JIT compiler options | |
258 const unsigned int jit_num_options = 3; | |
259 int *jit_options = NEW_C_HEAP_ARRAY(int, jit_num_options, mtCompiler); | |
260 void **jit_option_values = NEW_C_HEAP_ARRAY(void *, jit_num_options, mtCompiler); | |
261 | |
262 // Set up PTX JIT compiler options | |
263 // 1. set size of compilation log buffer | |
264 int jit_log_buffer_size = 1024; | |
265 jit_options[0] = GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES; | |
266 jit_option_values[0] = (void *)(size_t)jit_log_buffer_size; | |
267 | |
268 // 2. set pointer to compilation log buffer | |
269 char *jit_log_buffer = NEW_C_HEAP_ARRAY(char, jit_log_buffer_size, mtCompiler); | |
270 jit_options[1] = GRAAL_CU_JIT_INFO_LOG_BUFFER; | |
271 jit_option_values[1] = jit_log_buffer; | |
272 | |
273 // 3. set pointer to set the Maximum # of registers (32) for the kernel | |
274 int jit_register_count = 32; | |
275 jit_options[2] = GRAAL_CU_JIT_MAX_REGISTERS; | |
276 jit_option_values[2] = (void *)(size_t)jit_register_count; | |
277 | |
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278 /* Create CUDA context to compile and execute the kernel */ |
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279 int status = _cuda_cu_ctx_create(&_device_context, GRAAL_CU_CTX_MAP_HOST, _cu_device); |
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280 |
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281 if (status != GRAAL_CUDA_SUCCESS) { |
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282 tty->print_cr("[CUDA] Failed to create CUDA context for device(%d): %d", _cu_device, status); |
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283 return NULL; |
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284 } |
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285 |
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286 if (TraceGPUInteraction) { |
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287 tty->print_cr("[CUDA] Success: Created context for device: %d", _cu_device); |
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288 } |
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289 |
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290 status = _cuda_cu_ctx_set_current(_device_context); |
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291 |
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292 if (status != GRAAL_CUDA_SUCCESS) { |
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293 tty->print_cr("[CUDA] Failed to set current context for device: %d", _cu_device); |
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294 return NULL; |
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295 } |
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296 |
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297 if (TraceGPUInteraction) { |
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298 tty->print_cr("[CUDA] Success: Set current context for device: %d", _cu_device); |
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299 } |
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300 |
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301 if (TraceGPUInteraction) { |
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302 tty->print_cr("[CUDA] PTX Kernel\n%s", code); |
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303 tty->print_cr("[CUDA] Function name : %s", name); |
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304 |
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305 } |
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306 |
10879 | 307 /* Load module's data with compiler options */ |
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308 status = _cuda_cu_module_load_data_ex(&cu_module, (void*) code, jit_num_options, |
10879 | 309 jit_options, (void **)jit_option_values); |
310 if (status != GRAAL_CUDA_SUCCESS) { | |
311 if (status == GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU) { | |
312 tty->print_cr("[CUDA] Check for malformed PTX kernel or incorrect PTX compilation options"); | |
313 } | |
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314 tty->print_cr("[CUDA] *** Error (%d) Failed to load module data with online compiler options for method %s", |
10879 | 315 status, name); |
316 return NULL; | |
317 } | |
318 | |
319 if (TraceGPUInteraction) { | |
320 tty->print_cr("[CUDA] Loaded data for PTX Kernel"); | |
321 } | |
322 | |
323 struct CUfunc_st * cu_function; | |
324 | |
325 status = _cuda_cu_module_get_function(&cu_function, cu_module, name); | |
326 | |
327 if (status != GRAAL_CUDA_SUCCESS) { | |
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328 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name); |
10879 | 329 return NULL; |
330 } | |
331 | |
332 if (TraceGPUInteraction) { | |
333 tty->print_cr("[CUDA] Got function handle for %s", name); | |
334 } | |
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335 |
10879 | 336 return cu_function; |
337 } | |
338 | |
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339 bool gpu::Ptx::execute_kernel(address kernel, PTXKernelArguments &ptxka, JavaValue &ret) { |
11822
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340 return gpu::Ptx::execute_warp(1, 1, 1, kernel, ptxka, ret); |
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341 } |
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342 |
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343 bool gpu::Ptx::execute_warp(int dimX, int dimY, int dimZ, |
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344 address kernel, PTXKernelArguments &ptxka, JavaValue &ret) { |
10879 | 345 // grid dimensionality |
346 unsigned int gridX = 1; | |
347 unsigned int gridY = 1; | |
348 unsigned int gridZ = 1; | |
349 | |
350 // thread dimensionality | |
11822
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351 unsigned int blockX = dimX; |
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352 unsigned int blockY = dimY; |
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353 unsigned int blockZ = dimZ; |
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354 |
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355 struct CUfunc_st* cu_function = (struct CUfunc_st*) kernel; |
10879 | 356 |
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357 void * config[5] = { |
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358 GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER, ptxka._kernelArgBuffer, |
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359 GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE, &(ptxka._bufferOffset), |
11283
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CR-20: PTX kernel invocation with arguments - from Bharadwaj
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|
360 GRAAL_CU_LAUNCH_PARAM_END |
1cd1f8ff70a1
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361 }; |
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diff
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362 |
10879 | 363 if (kernel == NULL) { |
364 return false; | |
365 } | |
366 | |
367 if (TraceGPUInteraction) { | |
368 tty->print_cr("[CUDA] launching kernel"); | |
369 } | |
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370 |
10879 | 371 int status = _cuda_cu_launch_kernel(cu_function, |
372 gridX, gridY, gridZ, | |
373 blockX, blockY, blockZ, | |
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374 0, NULL, NULL, (void **) &config); |
10879 | 375 if (status != GRAAL_CUDA_SUCCESS) { |
376 tty->print_cr("[CUDA] Failed to launch kernel"); | |
377 return false; | |
378 } | |
379 | |
380 if (TraceGPUInteraction) { | |
11822
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381 tty->print_cr("[CUDA] Success: Kernel Launch: X: %d Y: %d Z: %d", blockX, blockY, blockZ); |
10879 | 382 } |
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383 |
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384 status = _cuda_cu_ctx_synchronize(); |
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Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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385 |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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386 if (status != GRAAL_CUDA_SUCCESS) { |
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bharadwaj
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387 tty->print_cr("[CUDA] Failed to synchronize launched kernel (%d)", status); |
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Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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388 return false; |
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Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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|
389 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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changeset
|
390 |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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changeset
|
391 if (TraceGPUInteraction) { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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diff
changeset
|
392 tty->print_cr("[CUDA] Success: Synchronized launch kernel"); |
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Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
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393 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
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diff
changeset
|
394 |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
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diff
changeset
|
395 |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
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diff
changeset
|
396 // Get the result. TODO: Move this code to get_return_oop() |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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11284
diff
changeset
|
397 BasicType return_type = ptxka.get_ret_type(); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
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diff
changeset
|
398 switch (return_type) { |
11821
d8659ad83fcc
PTX single-threaded array store, Warp annotation
Morris Meyer <morris.meyer@oracle.com>
parents:
11634
diff
changeset
|
399 case T_INT: |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
400 { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
401 int return_val; |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
402 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&return_val, ptxka._dev_return_value, T_INT_BYTE_SIZE); |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
403 if (status != GRAAL_CUDA_SUCCESS) { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
404 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value to device argument", status); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
405 return false; |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
406 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
407 ret.set_jint(return_val); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
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diff
changeset
|
408 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
409 break; |
11901
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
410 case T_BOOLEAN: |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
411 { |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
412 int return_val; |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
413 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&return_val, ptxka._dev_return_value, T_INT_BYTE_SIZE); |
11901
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
414 if (status != GRAAL_CUDA_SUCCESS) { |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
415 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value to device argument", status); |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
416 return false; |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
417 } |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
418 ret.set_jint(return_val); |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
419 } |
61767ccd4600
PTX boolean return value, emitIntegerTestMove, warnings
Morris Meyer <morris.meyer@oracle.com>
parents:
11894
diff
changeset
|
420 break; |
11894
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
421 case T_FLOAT: |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
422 { |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
423 float return_val; |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
424 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&return_val, ptxka._dev_return_value, T_FLOAT_BYTE_SIZE); |
11894
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
425 if (status != GRAAL_CUDA_SUCCESS) { |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
426 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value to device argument", status); |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
427 return false; |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
428 } |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
429 ret.set_jfloat(return_val); |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
430 } |
c7abc8411011
Fixed BasicPTXTest and IntegerPTXTest
Morris Meyer <morris.meyer@oracle.com>
parents:
11843
diff
changeset
|
431 break; |
11902
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
432 case T_DOUBLE: |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
433 { |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
434 double return_val; |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
435 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&return_val, ptxka._dev_return_value, T_DOUBLE_BYTE_SIZE); |
11902
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
436 if (status != GRAAL_CUDA_SUCCESS) { |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
437 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value to device argument", status); |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
438 return false; |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
439 } |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
440 ret.set_jdouble(return_val); |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
441 } |
67a1e27a8dbb
PTX initial float and double
Morris Meyer <morris.meyer@oracle.com>
parents:
11901
diff
changeset
|
442 break; |
11821
d8659ad83fcc
PTX single-threaded array store, Warp annotation
Morris Meyer <morris.meyer@oracle.com>
parents:
11634
diff
changeset
|
443 case T_LONG: |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
444 { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
445 long return_val; |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
446 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&return_val, ptxka._dev_return_value, T_LONG_BYTE_SIZE); |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
447 if (status != GRAAL_CUDA_SUCCESS) { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
448 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value to device argument", status); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
449 return false; |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
450 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
451 ret.set_jlong(return_val); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
452 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
453 break; |
11821
d8659ad83fcc
PTX single-threaded array store, Warp annotation
Morris Meyer <morris.meyer@oracle.com>
parents:
11634
diff
changeset
|
454 case T_VOID: |
d8659ad83fcc
PTX single-threaded array store, Warp annotation
Morris Meyer <morris.meyer@oracle.com>
parents:
11634
diff
changeset
|
455 break; |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
456 default: |
11821
d8659ad83fcc
PTX single-threaded array store, Warp annotation
Morris Meyer <morris.meyer@oracle.com>
parents:
11634
diff
changeset
|
457 tty->print_cr("[CUDA] TODO *** Unhandled return type: %d", return_type); |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
458 } |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
459 |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
460 // Free device memory allocated for result |
12519
f020e149c1b6
PTX codegen enhancements; fixes to PTX test regressions.
S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
parents:
11902
diff
changeset
|
461 status = gpu::Ptx::_cuda_cu_memfree(ptxka._dev_return_value); |
11485
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
462 if (status != GRAAL_CUDA_SUCCESS) { |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
bharadwaj
parents:
11284
diff
changeset
|
463 tty->print_cr("[CUDA] *** Error (%d) Failed to free device memory of return value", status); |
49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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464 return false; |
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465 } |
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466 |
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467 if (TraceGPUInteraction) { |
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468 tty->print_cr("[CUDA] Success: Freed device memory of return value"); |
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469 } |
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470 |
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471 // Destroy context |
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472 status = gpu::Ptx::_cuda_cu_ctx_destroy(_device_context); |
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473 if (status != GRAAL_CUDA_SUCCESS) { |
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474 tty->print_cr("[CUDA] *** Error (%d) Failed to destroy context", status); |
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475 return false; |
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476 } |
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477 |
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478 if (TraceGPUInteraction) { |
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479 tty->print_cr("[CUDA] Success: Destroy context"); |
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480 } |
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481 |
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482 return (status == GRAAL_CUDA_SUCCESS); |
10879 | 483 } |
484 | |
485 #if defined(LINUX) | |
486 static const char cuda_library_name[] = "libcuda.so"; | |
487 #elif defined(__APPLE__) | |
488 static char const cuda_library_name[] = "/usr/local/cuda/lib/libcuda.dylib"; | |
489 #else | |
490 static char const cuda_library_name[] = ""; | |
491 #endif | |
492 | |
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493 #define STD_BUFFER_SIZE 1024 |
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494 |
10879 | 495 bool gpu::Ptx::probe_linkage() { |
496 if (cuda_library_name != NULL) { | |
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497 char *buffer = (char*)malloc(STD_BUFFER_SIZE); |
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498 void *handle = os::dll_load(cuda_library_name, buffer, STD_BUFFER_SIZE); |
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499 free(buffer); |
10879 | 500 if (handle != NULL) { |
12653
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501 LOOKUP_CUDA_FUNCTION(cuInit, cuda_cu_init); |
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502 LOOKUP_CUDA_FUNCTION(cuCtxSynchronize, cuda_cu_ctx_synchronize); |
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503 LOOKUP_CUDA_FUNCTION(cuCtxSetCurrent, cuda_cu_ctx_set_current); |
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504 LOOKUP_CUDA_FUNCTION(cuDeviceGetCount, cuda_cu_device_get_count); |
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505 LOOKUP_CUDA_FUNCTION(cuDeviceGetName, cuda_cu_device_get_name); |
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506 LOOKUP_CUDA_FUNCTION(cuDeviceGet, cuda_cu_device_get); |
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507 LOOKUP_CUDA_FUNCTION(cuDeviceComputeCapability, cuda_cu_device_compute_capability); |
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508 LOOKUP_CUDA_FUNCTION(cuDeviceGetAttribute, cuda_cu_device_get_attribute); |
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509 LOOKUP_CUDA_FUNCTION(cuModuleGetFunction, cuda_cu_module_get_function); |
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510 LOOKUP_CUDA_FUNCTION(cuModuleLoadDataEx, cuda_cu_module_load_data_ex); |
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511 LOOKUP_CUDA_FUNCTION(cuLaunchKernel, cuda_cu_launch_kernel); |
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512 LOOKUP_CUDA_FUNCTION(cuMemHostRegister, cuda_cu_mem_host_register); |
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513 LOOKUP_CUDA_FUNCTION(cuMemHostUnregister, cuda_cu_mem_host_unregister); |
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514 #if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) |
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515 LOOKUP_CUDA_V2_FUNCTION(cuCtxCreate, cuda_cu_ctx_create); |
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516 LOOKUP_CUDA_V2_FUNCTION(cuCtxDestroy, cuda_cu_ctx_destroy); |
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517 LOOKUP_CUDA_V2_FUNCTION(cuMemAlloc, cuda_cu_memalloc); |
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518 LOOKUP_CUDA_V2_FUNCTION(cuMemFree, cuda_cu_memfree); |
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519 LOOKUP_CUDA_V2_FUNCTION(cuMemcpyHtoD, cuda_cu_memcpy_htod); |
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520 LOOKUP_CUDA_V2_FUNCTION(cuMemcpyDtoH, cuda_cu_memcpy_dtoh); |
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521 LOOKUP_CUDA_V2_FUNCTION(cuMemHostGetDevicePointer, cuda_cu_mem_host_get_device_pointer); |
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522 #else |
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523 LOOKUP_CUDA_FUNCTION(cuCtxCreate, cuda_cu_ctx_create); |
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524 LOOKUP_CUDA_FUNCTION(cuCtxDestroy, cuda_cu_ctx_destroy); |
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525 LOOKUP_CUDA_FUNCTION(cuMemAlloc, cuda_cu_memalloc); |
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526 LOOKUP_CUDA_FUNCTION(cuMemFree, cuda_cu_memfree); |
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527 LOOKUP_CUDA_FUNCTION(cuMemcpyHtoD, cuda_cu_memcpy_htod); |
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528 LOOKUP_CUDA_FUNCTION(cuMemcpyDtoH, cuda_cu_memcpy_dtoh); |
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529 LOOKUP_CUDA_FUNCTION(cuMemHostGetDevicePointer, cuda_cu_mem_host_get_device_pointer); |
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530 #endif |
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531 |
10879 | 532 if (TraceGPUInteraction) { |
533 tty->print_cr("[CUDA] Success: library linkage"); | |
534 } | |
535 return true; | |
536 } else { | |
537 // Unable to dlopen libcuda | |
538 return false; | |
539 } | |
540 } else { | |
541 tty->print_cr("Unsupported CUDA platform"); | |
542 return false; | |
543 } | |
544 tty->print_cr("Failed to find CUDA linkage"); | |
545 return false; | |
546 } |