Mercurial > hg > graal-jvmci-8
annotate src/gpu/ptx/vm/gpu_ptx.cpp @ 11283:1cd1f8ff70a1
CR-20: PTX kernel invocation with arguments - from Bharadwaj
| author | Morris Meyer <morris.meyer@oracle.com> |
|---|---|
| date | Sat, 10 Aug 2013 14:38:30 -0400 |
| parents | fe49e5121768 |
| children | d876002b98e6 |
| 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" | |
| 26 #include "runtime/gpu.hpp" | |
| 27 #include "utilities/globalDefinitions.hpp" | |
| 28 #include "utilities/ostream.hpp" | |
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29 #include "memory/allocation.hpp" |
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30 #include "memory/allocation.inline.hpp" |
| 10879 | 31 |
| 32 void * gpu::Ptx::_device_context; | |
| 33 | |
| 34 gpu::Ptx::cuda_cu_init_func_t gpu::Ptx::_cuda_cu_init; | |
| 35 gpu::Ptx::cuda_cu_ctx_create_func_t gpu::Ptx::_cuda_cu_ctx_create; | |
| 36 gpu::Ptx::cuda_cu_ctx_detach_func_t gpu::Ptx::_cuda_cu_ctx_detach; | |
| 37 gpu::Ptx::cuda_cu_ctx_synchronize_func_t gpu::Ptx::_cuda_cu_ctx_synchronize; | |
| 38 gpu::Ptx::cuda_cu_device_get_count_func_t gpu::Ptx::_cuda_cu_device_get_count; | |
| 39 gpu::Ptx::cuda_cu_device_get_name_func_t gpu::Ptx::_cuda_cu_device_get_name; | |
| 40 gpu::Ptx::cuda_cu_device_get_func_t gpu::Ptx::_cuda_cu_device_get; | |
| 41 gpu::Ptx::cuda_cu_device_compute_capability_func_t gpu::Ptx::_cuda_cu_device_compute_capability; | |
| 42 gpu::Ptx::cuda_cu_device_get_attribute_func_t gpu::Ptx::_cuda_cu_device_get_attribute; | |
| 43 gpu::Ptx::cuda_cu_launch_kernel_func_t gpu::Ptx::_cuda_cu_launch_kernel; | |
| 44 gpu::Ptx::cuda_cu_module_get_function_func_t gpu::Ptx::_cuda_cu_module_get_function; | |
| 45 gpu::Ptx::cuda_cu_module_load_data_ex_func_t gpu::Ptx::_cuda_cu_module_load_data_ex; | |
| 46 | |
| 47 void gpu::probe_linkage() { | |
| 48 #if defined(__APPLE__) || defined(LINUX) | |
| 49 set_gpu_linkage(gpu::Ptx::probe_linkage()); | |
| 50 #else | |
| 51 set_gpu_linkage(false); | |
| 52 #endif | |
| 53 } | |
| 54 | |
| 55 void gpu::initialize_gpu() { | |
| 56 if (gpu::has_gpu_linkage()) { | |
| 57 set_initialized(gpu::Ptx::initialize_gpu()); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 void * gpu::generate_kernel(unsigned char *code, int code_len, const char *name) { | |
| 62 if (gpu::has_gpu_linkage()) { | |
| 63 return (gpu::Ptx::generate_kernel(code, code_len, name)); | |
| 64 } else { | |
| 65 return NULL; | |
| 66 } | |
| 67 } | |
| 68 | |
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69 bool gpu::execute_kernel(address kernel, JavaCallArguments * jca) { |
| 10879 | 70 if (gpu::has_gpu_linkage()) { |
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71 return (gpu::Ptx::execute_kernel(kernel, jca)); |
| 10879 | 72 } else { |
| 73 return false; | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 bool gpu::Ptx::initialize_gpu() { | |
| 78 | |
| 79 /* Initialize CUDA driver API */ | |
| 80 int status = _cuda_cu_init(0); | |
| 81 if (status != GRAAL_CUDA_SUCCESS) { | |
| 82 tty->print_cr("Failed to initialize CUDA device"); | |
| 83 return false; | |
| 84 } | |
| 85 | |
| 86 if (TraceGPUInteraction) { | |
| 87 tty->print_cr("CUDA driver initialization: Success"); | |
| 88 } | |
| 89 | |
| 90 /* Get the number of compute-capable device count */ | |
| 91 int device_count = 0; | |
| 92 status = _cuda_cu_device_get_count(&device_count); | |
| 93 if (status != GRAAL_CUDA_SUCCESS) { | |
| 94 tty->print_cr("[CUDA] Failed to get compute-capable device count"); | |
| 95 return false; | |
| 96 } | |
| 97 | |
| 98 if (device_count == 0) { | |
| 99 tty->print_cr("[CUDA] Found no device supporting CUDA"); | |
| 100 return false; | |
| 101 } | |
| 102 | |
| 103 if (TraceGPUInteraction) { | |
| 104 tty->print_cr("[CUDA] Number of compute-capable devices found: %d", device_count); | |
| 105 } | |
| 106 | |
| 107 /* Get the handle to the first compute device */ | |
| 108 int device_id = 0; | |
| 109 /* Compute-capable device handle */ | |
| 110 int cu_device = 0; | |
| 111 status = _cuda_cu_device_get(&cu_device, device_id); | |
| 112 | |
| 113 if (status != GRAAL_CUDA_SUCCESS) { | |
| 114 tty->print_cr("[CUDA] Failed to get handle of first compute-capable device i.e., the one at ordinal: %d", device_id); | |
| 115 return false; | |
| 116 } | |
| 117 | |
| 118 if (TraceGPUInteraction) { | |
| 119 tty->print_cr("[CUDA] Got the handle of first compute-device"); | |
| 120 } | |
| 121 | |
| 122 /* Get device attributes */ | |
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123 int minor, major, unified_addressing; |
| 10879 | 124 status = _cuda_cu_device_get_attribute(&minor, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, cu_device); |
| 125 | |
| 126 if (status != GRAAL_CUDA_SUCCESS) { | |
| 127 tty->print_cr("[CUDA] Failed to get minor attribute of device: %d", cu_device); | |
| 128 return false; | |
| 129 } | |
| 130 | |
| 131 status = _cuda_cu_device_get_attribute(&major, GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, cu_device); | |
| 132 | |
| 133 if (status != GRAAL_CUDA_SUCCESS) { | |
| 134 tty->print_cr("[CUDA] Failed to get major attribute of device: %d", cu_device); | |
| 135 return false; | |
| 136 } | |
| 137 | |
| 138 if (TraceGPUInteraction) { | |
| 139 tty->print_cr("[CUDA] Compatibility version of device %d: %d.%d", cu_device, major, minor); | |
| 140 } | |
| 141 | |
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142 status = _cuda_cu_device_get_attribute(&unified_addressing, GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING, cu_device); |
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143 |
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144 if (status != GRAAL_CUDA_SUCCESS) { |
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145 tty->print_cr("[CUDA] Failed to query unified addressing mode of device: %d", cu_device); |
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146 return false; |
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147 } |
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148 |
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149 if (TraceGPUInteraction) { |
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150 tty->print_cr("[CUDA] Unified addressing support on device %d: %d", cu_device, unified_addressing); |
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151 } |
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152 |
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153 |
| 10879 | 154 /* Get device name */ |
| 155 char device_name[256]; | |
| 156 status = _cuda_cu_device_get_name(device_name, 256, cu_device); | |
| 157 | |
| 158 if (status != GRAAL_CUDA_SUCCESS) { | |
| 159 tty->print_cr("[CUDA] Failed to get name of device: %d", cu_device); | |
| 160 return false; | |
| 161 } | |
| 162 | |
| 163 if (TraceGPUInteraction) { | |
| 164 tty->print_cr("[CUDA] Using %s", device_name); | |
| 165 } | |
| 166 | |
| 167 /* Create CUDA context */ | |
| 168 status = _cuda_cu_ctx_create(&_device_context, 0, cu_device); | |
| 169 | |
| 170 if (status != GRAAL_CUDA_SUCCESS) { | |
| 171 tty->print_cr("[CUDA] Failed to create CUDA context for device: %d", cu_device); | |
| 172 return false; | |
| 173 } | |
| 174 | |
| 175 if (TraceGPUInteraction) { | |
| 176 tty->print_cr("[CUDA] Success: Created context for device: %d", cu_device); | |
| 177 } | |
| 178 | |
| 179 return true; | |
| 180 } | |
| 181 | |
| 182 void *gpu::Ptx::generate_kernel(unsigned char *code, int code_len, const char *name) { | |
| 183 | |
| 184 struct CUmod_st * cu_module; | |
| 185 // Use three JIT compiler options | |
| 186 const unsigned int jit_num_options = 3; | |
| 187 int *jit_options = NEW_C_HEAP_ARRAY(int, jit_num_options, mtCompiler); | |
| 188 void **jit_option_values = NEW_C_HEAP_ARRAY(void *, jit_num_options, mtCompiler); | |
| 189 | |
| 190 // Set up PTX JIT compiler options | |
| 191 // 1. set size of compilation log buffer | |
| 192 int jit_log_buffer_size = 1024; | |
| 193 jit_options[0] = GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES; | |
| 194 jit_option_values[0] = (void *)(size_t)jit_log_buffer_size; | |
| 195 | |
| 196 // 2. set pointer to compilation log buffer | |
| 197 char *jit_log_buffer = NEW_C_HEAP_ARRAY(char, jit_log_buffer_size, mtCompiler); | |
| 198 jit_options[1] = GRAAL_CU_JIT_INFO_LOG_BUFFER; | |
| 199 jit_option_values[1] = jit_log_buffer; | |
| 200 | |
| 201 // 3. set pointer to set the Maximum # of registers (32) for the kernel | |
| 202 int jit_register_count = 32; | |
| 203 jit_options[2] = GRAAL_CU_JIT_MAX_REGISTERS; | |
| 204 jit_option_values[2] = (void *)(size_t)jit_register_count; | |
| 205 | |
| 206 if (TraceGPUInteraction) { | |
| 207 tty->print_cr("[CUDA] PTX Kernel\n%s", code); | |
| 208 tty->print_cr("[CUDA] Function name : %s", name); | |
| 209 | |
| 210 } | |
| 211 | |
| 212 /* Load module's data with compiler options */ | |
| 213 int status = _cuda_cu_module_load_data_ex(&cu_module, code, jit_num_options, | |
| 214 jit_options, (void **)jit_option_values); | |
| 215 if (status != GRAAL_CUDA_SUCCESS) { | |
| 216 if (status == GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU) { | |
| 217 tty->print_cr("[CUDA] Check for malformed PTX kernel or incorrect PTX compilation options"); | |
| 218 } | |
| 219 tty->print_cr("[CUDA] *** Error (%d) Failed to load module data with online compiler options for method %s", | |
| 220 status, name); | |
| 221 return NULL; | |
| 222 } | |
| 223 | |
| 224 if (TraceGPUInteraction) { | |
| 225 tty->print_cr("[CUDA] Loaded data for PTX Kernel"); | |
| 226 } | |
| 227 | |
| 228 struct CUfunc_st * cu_function; | |
| 229 | |
| 230 status = _cuda_cu_module_get_function(&cu_function, cu_module, name); | |
| 231 | |
| 232 if (status != GRAAL_CUDA_SUCCESS) { | |
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233 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name); |
| 10879 | 234 return NULL; |
| 235 } | |
| 236 | |
| 237 if (TraceGPUInteraction) { | |
| 238 tty->print_cr("[CUDA] Got function handle for %s", name); | |
| 239 } | |
| 240 return cu_function; | |
| 241 } | |
| 242 | |
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243 bool gpu::Ptx::execute_kernel(address kernel, JavaCallArguments * jca) { |
| 10879 | 244 // grid dimensionality |
| 245 unsigned int gridX = 1; | |
| 246 unsigned int gridY = 1; | |
| 247 unsigned int gridZ = 1; | |
| 248 | |
| 249 // thread dimensionality | |
| 250 unsigned int blockX = 1; | |
| 251 unsigned int blockY = 1; | |
| 252 unsigned int blockZ = 1; | |
| 253 | |
| 254 int *cu_function = (int *)kernel; | |
| 255 | |
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256 char * paramBuffer = (char *) jca->parameters(); |
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257 size_t paramBufferSz = (size_t) jca->size_of_parameters(); |
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258 |
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259 void * config[] = { |
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260 GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER, paramBuffer, |
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261 GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE, ¶mBufferSz, |
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262 GRAAL_CU_LAUNCH_PARAM_END |
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263 }; |
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264 |
| 10879 | 265 if (kernel == NULL) { |
| 266 return false; | |
| 267 } | |
| 268 | |
| 269 if (TraceGPUInteraction) { | |
| 270 tty->print_cr("[CUDA] launching kernel"); | |
| 271 } | |
| 272 int status = _cuda_cu_launch_kernel(cu_function, | |
| 273 gridX, gridY, gridZ, | |
| 274 blockX, blockY, blockZ, | |
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275 0, NULL, NULL, config); |
| 10879 | 276 if (status != GRAAL_CUDA_SUCCESS) { |
| 277 tty->print_cr("[CUDA] Failed to launch kernel"); | |
| 278 return false; | |
| 279 } | |
| 280 | |
| 281 if (TraceGPUInteraction) { | |
| 282 tty->print_cr("[CUDA] Success: Kernel Launch"); | |
| 283 } | |
| 284 return status == 0; // GRAAL_CUDA_SUCCESS | |
| 285 } | |
| 286 | |
| 287 #if defined(LINUX) | |
| 288 static const char cuda_library_name[] = "libcuda.so"; | |
| 289 #elif defined(__APPLE__) | |
| 290 static char const cuda_library_name[] = "/usr/local/cuda/lib/libcuda.dylib"; | |
| 291 #else | |
| 292 static char const cuda_library_name[] = ""; | |
| 293 #endif | |
| 294 | |
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295 #define STD_BUFFER_SIZE 1024 |
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296 |
| 10879 | 297 bool gpu::Ptx::probe_linkage() { |
| 298 if (cuda_library_name != NULL) { | |
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299 char *buffer = (char*)malloc(STD_BUFFER_SIZE); |
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300 void *handle = os::dll_load(cuda_library_name, buffer, STD_BUFFER_SIZE); |
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301 free(buffer); |
| 10879 | 302 if (handle != NULL) { |
| 303 _cuda_cu_init = | |
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304 CAST_TO_FN_PTR(cuda_cu_init_func_t, os::dll_lookup(handle, "cuInit")); |
| 10879 | 305 _cuda_cu_ctx_create = |
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306 CAST_TO_FN_PTR(cuda_cu_ctx_create_func_t, os::dll_lookup(handle, "cuCtxCreate")); |
| 10879 | 307 _cuda_cu_ctx_detach = |
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308 CAST_TO_FN_PTR(cuda_cu_ctx_detach_func_t, os::dll_lookup(handle, "cuCtxDetach")); |
| 10879 | 309 _cuda_cu_ctx_synchronize = |
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310 CAST_TO_FN_PTR(cuda_cu_ctx_synchronize_func_t, os::dll_lookup(handle, "cuCtxSynchronize")); |
| 10879 | 311 _cuda_cu_device_get_count = |
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312 CAST_TO_FN_PTR(cuda_cu_device_get_count_func_t, os::dll_lookup(handle, "cuDeviceGetCount")); |
| 10879 | 313 _cuda_cu_device_get_name = |
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314 CAST_TO_FN_PTR(cuda_cu_device_get_name_func_t, os::dll_lookup(handle, "cuDeviceGetName")); |
| 10879 | 315 _cuda_cu_device_get = |
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316 CAST_TO_FN_PTR(cuda_cu_device_get_func_t, os::dll_lookup(handle, "cuDeviceGet")); |
| 10879 | 317 _cuda_cu_device_compute_capability = |
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fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
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changeset
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318 CAST_TO_FN_PTR(cuda_cu_device_compute_capability_func_t, os::dll_lookup(handle, "cuDeviceComputeCapability")); |
| 10879 | 319 _cuda_cu_device_get_attribute = |
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fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
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320 CAST_TO_FN_PTR(cuda_cu_device_get_attribute_func_t, os::dll_lookup(handle, "cuDeviceGetAttribute")); |
| 10879 | 321 _cuda_cu_module_get_function = |
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fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
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322 CAST_TO_FN_PTR(cuda_cu_module_get_function_func_t, os::dll_lookup(handle, "cuModuleGetFunction")); |
| 10879 | 323 _cuda_cu_module_load_data_ex = |
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fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
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324 CAST_TO_FN_PTR(cuda_cu_module_load_data_ex_func_t, os::dll_lookup(handle, "cuModuleLoadDataEx")); |
| 10879 | 325 _cuda_cu_launch_kernel = |
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fix: gpu_ptx.cpp did not compile on windows
Christian Wirth <christian.wirth@oracle.com>
parents:
10879
diff
changeset
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326 CAST_TO_FN_PTR(cuda_cu_launch_kernel_func_t, os::dll_lookup(handle, "cuLaunchKernel")); |
| 10879 | 327 if (TraceGPUInteraction) { |
| 328 tty->print_cr("[CUDA] Success: library linkage"); | |
| 329 } | |
| 330 return true; | |
| 331 } else { | |
| 332 // Unable to dlopen libcuda | |
| 333 return false; | |
| 334 } | |
| 335 } else { | |
| 336 tty->print_cr("Unsupported CUDA platform"); | |
| 337 return false; | |
| 338 } | |
| 339 tty->print_cr("Failed to find CUDA linkage"); | |
| 340 return false; | |
| 341 } | |
| 342 |