Mercurial > hg > graal-compiler
view src/gpu/ptx/gpu_ptx.cpp @ 10458:63e44cdabb91
fixed SPARC interpreter
author | twisti |
---|---|
date | Thu, 20 Jun 2013 10:56:34 -0700 |
parents | 62838eadbf56 |
children | 7a3499bf5e2c |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "runtime/gpu.hpp" #include "utilities/globalDefinitions.hpp" #include "utilities/ostream.hpp" void * gpu::Ptx::_device_context; gpu::Ptx::cuda_cu_init_func_t gpu::Ptx::_cuda_cu_init; gpu::Ptx::cuda_cu_ctx_create_func_t gpu::Ptx::_cuda_cu_ctx_create; gpu::Ptx::cuda_cu_ctx_detach_func_t gpu::Ptx::_cuda_cu_ctx_detach; gpu::Ptx::cuda_cu_ctx_synchronize_func_t gpu::Ptx::_cuda_cu_ctx_synchronize; gpu::Ptx::cuda_cu_device_get_count_func_t gpu::Ptx::_cuda_cu_device_get_count; gpu::Ptx::cuda_cu_device_get_name_func_t gpu::Ptx::_cuda_cu_device_get_name; gpu::Ptx::cuda_cu_device_get_func_t gpu::Ptx::_cuda_cu_device_get; gpu::Ptx::cuda_cu_device_compute_capability_func_t gpu::Ptx::_cuda_cu_device_compute_capability; gpu::Ptx::cuda_cu_launch_kernel_func_t gpu::Ptx::_cuda_cu_launch_kernel; gpu::Ptx::cuda_cu_module_get_function_func_t gpu::Ptx::_cuda_cu_module_get_function; gpu::Ptx::cuda_cu_module_load_data_ex_func_t gpu::Ptx::_cuda_cu_module_load_data_ex; void gpu::probe_linkage() { #ifdef __APPLE__ set_gpu_linkage(gpu::Ptx::probe_linkage_apple()); #else set_gpu_linkage(false); #endif } void gpu::initialize_gpu() { if (gpu::has_gpu_linkage()) { set_initialized(gpu::Ptx::initialize_gpu()); } } void gpu::generate_kernel(unsigned char *code, int code_len, const char *name) { if (gpu::has_gpu_linkage()) { gpu::Ptx::generate_kernel(code, code_len, name); } } #define __CUDA_API_VERSION 5000 bool gpu::Ptx::initialize_gpu() { int status = _cuda_cu_init(0, __CUDA_API_VERSION); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_init: %d", status); } int device_count = 0; status = _cuda_cu_device_get_count(&device_count); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_device_get_count(%d): %d", device_count, status); } int device_id = 0, cu_device = 0; status = _cuda_cu_device_get(&cu_device, device_id); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_device_get(%d): %d", cu_device, status); } int major, minor; status = _cuda_cu_device_compute_capability(&major, &minor, cu_device); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_device_compute_capability(major %d, minor %d): %d", major, minor, status); } char device_name[256]; status = _cuda_cu_device_get_name(device_name, 256, cu_device); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_device_get_name(%s): %d", device_name, status); } status = _cuda_cu_ctx_create(&_device_context, 0, cu_device); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_ctx_create(%x): %d", _device_context, status); } return status == 0; // CUDA_SUCCESS } void gpu::Ptx::generate_kernel(unsigned char *code, int code_len, const char *name) { void *cu_module; const unsigned int jit_num_options = 3; int *jit_options = new int[jit_num_options]; void **jit_option_values = new void *[jit_num_options]; jit_options[0] = 4; // CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES int jit_log_buffer_size = 1024; jit_option_values[0] = (void *)(size_t)jit_log_buffer_size; jit_options[1] = 3; // CU_JIT_INFO_LOG_BUFFER char *jit_log_buffer = new char[jit_log_buffer_size]; jit_option_values[1] = jit_log_buffer; jit_options[2] = 0; // CU_JIT_MAX_REGISTERS int jit_register_count = 32; jit_option_values[2] = (void *)(size_t)jit_register_count; int status = _cuda_cu_module_load_data_ex(&cu_module, code, jit_num_options, jit_options, (void **)jit_option_values); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_module_load_data_ex(%x): %d", cu_module, status); tty->print_cr("gpu_ptx::jit_log_buffer\n%s", jit_log_buffer); } void *cu_function; status = _cuda_cu_module_get_function(&cu_function, cu_module, name); if (TraceWarpLoading) { tty->print_cr("gpu_ptx::_cuda_cu_module_get_function(%s):%x %d", name, cu_function, status); } } #ifdef __APPLE__ bool gpu::Ptx::probe_linkage_apple() { void *handle = dlopen("/usr/local/cuda/lib/libcuda.dylib", RTLD_LAZY); if (handle != NULL) { _cuda_cu_init = CAST_TO_FN_PTR(cuda_cu_init_func_t, dlsym(handle, "cuInit")); _cuda_cu_ctx_create = CAST_TO_FN_PTR(cuda_cu_ctx_create_func_t, dlsym(handle, "cuCtxCreate")); _cuda_cu_ctx_detach = CAST_TO_FN_PTR(cuda_cu_ctx_detach_func_t, dlsym(handle, "cuCtxDetach")); _cuda_cu_ctx_synchronize = CAST_TO_FN_PTR(cuda_cu_ctx_synchronize_func_t, dlsym(handle, "cuCtxSynchronize")); _cuda_cu_device_get_count = CAST_TO_FN_PTR(cuda_cu_device_get_count_func_t, dlsym(handle, "cuDeviceGetCount")); _cuda_cu_device_get_name = CAST_TO_FN_PTR(cuda_cu_device_get_name_func_t, dlsym(handle, "cuDeviceGetName")); _cuda_cu_device_get = CAST_TO_FN_PTR(cuda_cu_device_get_func_t, dlsym(handle, "cuDeviceGet")); _cuda_cu_device_compute_capability = CAST_TO_FN_PTR(cuda_cu_device_compute_capability_func_t, dlsym(handle, "cuDeviceComputeCapability")); _cuda_cu_module_get_function = CAST_TO_FN_PTR(cuda_cu_module_get_function_func_t, dlsym(handle, "cuModuleGetFunction")); _cuda_cu_module_load_data_ex = CAST_TO_FN_PTR(cuda_cu_module_load_data_ex_func_t, dlsym(handle, "cuModuleLoadDataEx")); return true; } return false; } #endif