Mercurial > hg > graal-compiler
annotate src/gpu/ptx/vm/gpu_ptx.cpp @ 11284:d876002b98e6
ptx: fix include for non-precompiledheader build in gpu_ptx.cpp
| author | Bernhard Urban <bernhard.urban@jku.at> |
|---|---|
| date | Sat, 10 Aug 2013 22:57:50 +0200 |
| parents | 1cd1f8ff70a1 |
| children | 49bb1bc983c6 |
| 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" |
| 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" |
| 10879 | 32 |
| 33 void * gpu::Ptx::_device_context; | |
| 34 | |
| 35 gpu::Ptx::cuda_cu_init_func_t gpu::Ptx::_cuda_cu_init; | |
| 36 gpu::Ptx::cuda_cu_ctx_create_func_t gpu::Ptx::_cuda_cu_ctx_create; | |
| 37 gpu::Ptx::cuda_cu_ctx_detach_func_t gpu::Ptx::_cuda_cu_ctx_detach; | |
| 38 gpu::Ptx::cuda_cu_ctx_synchronize_func_t gpu::Ptx::_cuda_cu_ctx_synchronize; | |
| 39 gpu::Ptx::cuda_cu_device_get_count_func_t gpu::Ptx::_cuda_cu_device_get_count; | |
| 40 gpu::Ptx::cuda_cu_device_get_name_func_t gpu::Ptx::_cuda_cu_device_get_name; | |
| 41 gpu::Ptx::cuda_cu_device_get_func_t gpu::Ptx::_cuda_cu_device_get; | |
| 42 gpu::Ptx::cuda_cu_device_compute_capability_func_t gpu::Ptx::_cuda_cu_device_compute_capability; | |
| 43 gpu::Ptx::cuda_cu_device_get_attribute_func_t gpu::Ptx::_cuda_cu_device_get_attribute; | |
| 44 gpu::Ptx::cuda_cu_launch_kernel_func_t gpu::Ptx::_cuda_cu_launch_kernel; | |
| 45 gpu::Ptx::cuda_cu_module_get_function_func_t gpu::Ptx::_cuda_cu_module_get_function; | |
| 46 gpu::Ptx::cuda_cu_module_load_data_ex_func_t gpu::Ptx::_cuda_cu_module_load_data_ex; | |
| 47 | |
| 48 void gpu::probe_linkage() { | |
| 49 #if defined(__APPLE__) || defined(LINUX) | |
| 50 set_gpu_linkage(gpu::Ptx::probe_linkage()); | |
| 51 #else | |
| 52 set_gpu_linkage(false); | |
| 53 #endif | |
| 54 } | |
| 55 | |
| 56 void gpu::initialize_gpu() { | |
| 57 if (gpu::has_gpu_linkage()) { | |
| 58 set_initialized(gpu::Ptx::initialize_gpu()); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 void * gpu::generate_kernel(unsigned char *code, int code_len, const char *name) { | |
| 63 if (gpu::has_gpu_linkage()) { | |
| 64 return (gpu::Ptx::generate_kernel(code, code_len, name)); | |
| 65 } else { | |
| 66 return NULL; | |
| 67 } | |
| 68 } | |
| 69 | |
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70 bool gpu::execute_kernel(address kernel, JavaCallArguments * jca) { |
| 10879 | 71 if (gpu::has_gpu_linkage()) { |
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72 return (gpu::Ptx::execute_kernel(kernel, jca)); |
| 10879 | 73 } else { |
| 74 return false; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 bool gpu::Ptx::initialize_gpu() { | |
| 79 | |
| 80 /* Initialize CUDA driver API */ | |
| 81 int status = _cuda_cu_init(0); | |
| 82 if (status != GRAAL_CUDA_SUCCESS) { | |
| 83 tty->print_cr("Failed to initialize CUDA device"); | |
| 84 return false; | |
| 85 } | |
| 86 | |
| 87 if (TraceGPUInteraction) { | |
| 88 tty->print_cr("CUDA driver initialization: Success"); | |
| 89 } | |
| 90 | |
| 91 /* Get the number of compute-capable device count */ | |
| 92 int device_count = 0; | |
| 93 status = _cuda_cu_device_get_count(&device_count); | |
| 94 if (status != GRAAL_CUDA_SUCCESS) { | |
| 95 tty->print_cr("[CUDA] Failed to get compute-capable device count"); | |
| 96 return false; | |
| 97 } | |
| 98 | |
| 99 if (device_count == 0) { | |
| 100 tty->print_cr("[CUDA] Found no device supporting CUDA"); | |
| 101 return false; | |
| 102 } | |
| 103 | |
| 104 if (TraceGPUInteraction) { | |
| 105 tty->print_cr("[CUDA] Number of compute-capable devices found: %d", device_count); | |
| 106 } | |
| 107 | |
| 108 /* Get the handle to the first compute device */ | |
| 109 int device_id = 0; | |
| 110 /* Compute-capable device handle */ | |
| 111 int cu_device = 0; | |
| 112 status = _cuda_cu_device_get(&cu_device, device_id); | |
| 113 | |
| 114 if (status != GRAAL_CUDA_SUCCESS) { | |
| 115 tty->print_cr("[CUDA] Failed to get handle of first compute-capable device i.e., the one at ordinal: %d", device_id); | |
| 116 return false; | |
| 117 } | |
| 118 | |
| 119 if (TraceGPUInteraction) { | |
| 120 tty->print_cr("[CUDA] Got the handle of first compute-device"); | |
| 121 } | |
| 122 | |
| 123 /* Get device attributes */ | |
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124 int minor, major, unified_addressing; |
| 10879 | 125 status = _cuda_cu_device_get_attribute(&minor, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, cu_device); |
| 126 | |
| 127 if (status != GRAAL_CUDA_SUCCESS) { | |
| 128 tty->print_cr("[CUDA] Failed to get minor attribute of device: %d", cu_device); | |
| 129 return false; | |
| 130 } | |
| 131 | |
| 132 status = _cuda_cu_device_get_attribute(&major, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, cu_device); | |
| 133 | |
| 134 if (status != GRAAL_CUDA_SUCCESS) { | |
| 135 tty->print_cr("[CUDA] Failed to get major attribute of device: %d", cu_device); | |
| 136 return false; | |
| 137 } | |
| 138 | |
| 139 if (TraceGPUInteraction) { | |
| 140 tty->print_cr("[CUDA] Compatibility version of device %d: %d.%d", cu_device, major, minor); | |
| 141 } | |
| 142 | |
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143 status = _cuda_cu_device_get_attribute(&unified_addressing, GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING, cu_device); |
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144 |
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145 if (status != GRAAL_CUDA_SUCCESS) { |
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146 tty->print_cr("[CUDA] Failed to query unified addressing mode of device: %d", cu_device); |
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147 return false; |
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148 } |
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149 |
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150 if (TraceGPUInteraction) { |
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151 tty->print_cr("[CUDA] Unified addressing support on device %d: %d", cu_device, unified_addressing); |
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152 } |
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153 |
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154 |
| 10879 | 155 /* Get device name */ |
| 156 char device_name[256]; | |
| 157 status = _cuda_cu_device_get_name(device_name, 256, cu_device); | |
| 158 | |
| 159 if (status != GRAAL_CUDA_SUCCESS) { | |
| 160 tty->print_cr("[CUDA] Failed to get name of device: %d", cu_device); | |
| 161 return false; | |
| 162 } | |
| 163 | |
| 164 if (TraceGPUInteraction) { | |
| 165 tty->print_cr("[CUDA] Using %s", device_name); | |
| 166 } | |
| 167 | |
| 168 /* Create CUDA context */ | |
| 169 status = _cuda_cu_ctx_create(&_device_context, 0, cu_device); | |
| 170 | |
| 171 if (status != GRAAL_CUDA_SUCCESS) { | |
| 172 tty->print_cr("[CUDA] Failed to create CUDA context for device: %d", cu_device); | |
| 173 return false; | |
| 174 } | |
| 175 | |
| 176 if (TraceGPUInteraction) { | |
| 177 tty->print_cr("[CUDA] Success: Created context for device: %d", cu_device); | |
| 178 } | |
| 179 | |
| 180 return true; | |
| 181 } | |
| 182 | |
| 183 void *gpu::Ptx::generate_kernel(unsigned char *code, int code_len, const char *name) { | |
| 184 | |
| 185 struct CUmod_st * cu_module; | |
| 186 // Use three JIT compiler options | |
| 187 const unsigned int jit_num_options = 3; | |
| 188 int *jit_options = NEW_C_HEAP_ARRAY(int, jit_num_options, mtCompiler); | |
| 189 void **jit_option_values = NEW_C_HEAP_ARRAY(void *, jit_num_options, mtCompiler); | |
| 190 | |
| 191 // Set up PTX JIT compiler options | |
| 192 // 1. set size of compilation log buffer | |
| 193 int jit_log_buffer_size = 1024; | |
| 194 jit_options[0] = GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES; | |
| 195 jit_option_values[0] = (void *)(size_t)jit_log_buffer_size; | |
| 196 | |
| 197 // 2. set pointer to compilation log buffer | |
| 198 char *jit_log_buffer = NEW_C_HEAP_ARRAY(char, jit_log_buffer_size, mtCompiler); | |
| 199 jit_options[1] = GRAAL_CU_JIT_INFO_LOG_BUFFER; | |
| 200 jit_option_values[1] = jit_log_buffer; | |
| 201 | |
| 202 // 3. set pointer to set the Maximum # of registers (32) for the kernel | |
| 203 int jit_register_count = 32; | |
| 204 jit_options[2] = GRAAL_CU_JIT_MAX_REGISTERS; | |
| 205 jit_option_values[2] = (void *)(size_t)jit_register_count; | |
| 206 | |
| 207 if (TraceGPUInteraction) { | |
| 208 tty->print_cr("[CUDA] PTX Kernel\n%s", code); | |
| 209 tty->print_cr("[CUDA] Function name : %s", name); | |
| 210 | |
| 211 } | |
| 212 | |
| 213 /* Load module's data with compiler options */ | |
| 214 int status = _cuda_cu_module_load_data_ex(&cu_module, code, jit_num_options, | |
| 215 jit_options, (void **)jit_option_values); | |
| 216 if (status != GRAAL_CUDA_SUCCESS) { | |
| 217 if (status == GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU) { | |
| 218 tty->print_cr("[CUDA] Check for malformed PTX kernel or incorrect PTX compilation options"); | |
| 219 } | |
| 220 tty->print_cr("[CUDA] *** Error (%d) Failed to load module data with online compiler options for method %s", | |
| 221 status, name); | |
| 222 return NULL; | |
| 223 } | |
| 224 | |
| 225 if (TraceGPUInteraction) { | |
| 226 tty->print_cr("[CUDA] Loaded data for PTX Kernel"); | |
| 227 } | |
| 228 | |
| 229 struct CUfunc_st * cu_function; | |
| 230 | |
| 231 status = _cuda_cu_module_get_function(&cu_function, cu_module, name); | |
| 232 | |
| 233 if (status != GRAAL_CUDA_SUCCESS) { | |
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234 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name); |
| 10879 | 235 return NULL; |
| 236 } | |
| 237 | |
| 238 if (TraceGPUInteraction) { | |
| 239 tty->print_cr("[CUDA] Got function handle for %s", name); | |
| 240 } | |
| 241 return cu_function; | |
| 242 } | |
| 243 | |
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244 bool gpu::Ptx::execute_kernel(address kernel, JavaCallArguments * jca) { |
| 10879 | 245 // grid dimensionality |
| 246 unsigned int gridX = 1; | |
| 247 unsigned int gridY = 1; | |
| 248 unsigned int gridZ = 1; | |
| 249 | |
| 250 // thread dimensionality | |
| 251 unsigned int blockX = 1; | |
| 252 unsigned int blockY = 1; | |
| 253 unsigned int blockZ = 1; | |
| 254 | |
| 255 int *cu_function = (int *)kernel; | |
| 256 | |
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257 char * paramBuffer = (char *) jca->parameters(); |
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258 size_t paramBufferSz = (size_t) jca->size_of_parameters(); |
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259 |
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260 void * config[] = { |
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261 GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER, paramBuffer, |
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262 GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE, ¶mBufferSz, |
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263 GRAAL_CU_LAUNCH_PARAM_END |
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264 }; |
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265 |
| 10879 | 266 if (kernel == NULL) { |
| 267 return false; | |
| 268 } | |
| 269 | |
| 270 if (TraceGPUInteraction) { | |
| 271 tty->print_cr("[CUDA] launching kernel"); | |
| 272 } | |
| 273 int status = _cuda_cu_launch_kernel(cu_function, | |
| 274 gridX, gridY, gridZ, | |
| 275 blockX, blockY, blockZ, | |
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276 0, NULL, NULL, config); |
| 10879 | 277 if (status != GRAAL_CUDA_SUCCESS) { |
| 278 tty->print_cr("[CUDA] Failed to launch kernel"); | |
| 279 return false; | |
| 280 } | |
| 281 | |
| 282 if (TraceGPUInteraction) { | |
| 283 tty->print_cr("[CUDA] Success: Kernel Launch"); | |
| 284 } | |
| 285 return status == 0; // GRAAL_CUDA_SUCCESS | |
| 286 } | |
| 287 | |
| 288 #if defined(LINUX) | |
| 289 static const char cuda_library_name[] = "libcuda.so"; | |
| 290 #elif defined(__APPLE__) | |
| 291 static char const cuda_library_name[] = "/usr/local/cuda/lib/libcuda.dylib"; | |
| 292 #else | |
| 293 static char const cuda_library_name[] = ""; | |
| 294 #endif | |
| 295 | |
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296 #define STD_BUFFER_SIZE 1024 |
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297 |
| 10879 | 298 bool gpu::Ptx::probe_linkage() { |
| 299 if (cuda_library_name != NULL) { | |
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300 char *buffer = (char*)malloc(STD_BUFFER_SIZE); |
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301 void *handle = os::dll_load(cuda_library_name, buffer, STD_BUFFER_SIZE); |
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302 free(buffer); |
| 10879 | 303 if (handle != NULL) { |
| 304 _cuda_cu_init = | |
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305 CAST_TO_FN_PTR(cuda_cu_init_func_t, os::dll_lookup(handle, "cuInit")); |
| 10879 | 306 _cuda_cu_ctx_create = |
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307 CAST_TO_FN_PTR(cuda_cu_ctx_create_func_t, os::dll_lookup(handle, "cuCtxCreate")); |
| 10879 | 308 _cuda_cu_ctx_detach = |
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309 CAST_TO_FN_PTR(cuda_cu_ctx_detach_func_t, os::dll_lookup(handle, "cuCtxDetach")); |
| 10879 | 310 _cuda_cu_ctx_synchronize = |
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311 CAST_TO_FN_PTR(cuda_cu_ctx_synchronize_func_t, os::dll_lookup(handle, "cuCtxSynchronize")); |
| 10879 | 312 _cuda_cu_device_get_count = |
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313 CAST_TO_FN_PTR(cuda_cu_device_get_count_func_t, os::dll_lookup(handle, "cuDeviceGetCount")); |
| 10879 | 314 _cuda_cu_device_get_name = |
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315 CAST_TO_FN_PTR(cuda_cu_device_get_name_func_t, os::dll_lookup(handle, "cuDeviceGetName")); |
| 10879 | 316 _cuda_cu_device_get = |
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6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
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317 CAST_TO_FN_PTR(cuda_cu_device_get_func_t, os::dll_lookup(handle, "cuDeviceGet")); |
| 10879 | 318 _cuda_cu_device_compute_capability = |
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10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
319 CAST_TO_FN_PTR(cuda_cu_device_compute_capability_func_t, os::dll_lookup(handle, "cuDeviceComputeCapability")); |
| 10879 | 320 _cuda_cu_device_get_attribute = |
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10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
321 CAST_TO_FN_PTR(cuda_cu_device_get_attribute_func_t, os::dll_lookup(handle, "cuDeviceGetAttribute")); |
| 10879 | 322 _cuda_cu_module_get_function = |
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10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
323 CAST_TO_FN_PTR(cuda_cu_module_get_function_func_t, os::dll_lookup(handle, "cuModuleGetFunction")); |
| 10879 | 324 _cuda_cu_module_load_data_ex = |
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10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
325 CAST_TO_FN_PTR(cuda_cu_module_load_data_ex_func_t, os::dll_lookup(handle, "cuModuleLoadDataEx")); |
| 10879 | 326 _cuda_cu_launch_kernel = |
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10882
6a2d65cb5d7d
fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
|
327 CAST_TO_FN_PTR(cuda_cu_launch_kernel_func_t, os::dll_lookup(handle, "cuLaunchKernel")); |
| 10879 | 328 if (TraceGPUInteraction) { |
| 329 tty->print_cr("[CUDA] Success: library linkage"); | |
| 330 } | |
| 331 return true; | |
| 332 } else { | |
| 333 // Unable to dlopen libcuda | |
| 334 return false; | |
| 335 } | |
| 336 } else { | |
| 337 tty->print_cr("Unsupported CUDA platform"); | |
| 338 return false; | |
| 339 } | |
| 340 tty->print_cr("Failed to find CUDA linkage"); | |
| 341 return false; | |
| 342 } | |
| 343 |