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comparison src/share/vm/runtime/gpu.cpp @ 11606:4f69a5189e77

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Create runtime object based on GPUIL type newly added to gpu class; some code refactoring.
author bharadwaj
date Wed, 11 Sep 2013 17:02:40 -0400
parents d55f24eac4b1
children 103795ab699d
comparison
equal deleted inserted replaced
11605:3676540f71cf 11606:4f69a5189e77
23 */ 23 */
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "runtime/gpu.hpp" 26 #include "runtime/gpu.hpp"
27 27
28 bool gpu::_available = false; // does the hardware exist? 28 bool gpu::_available = false; // does the hardware exist?
29 bool gpu::_gpu_linkage = false; // is the driver library to access the GPU installed 29 bool gpu::_gpu_linkage = false; // is the driver library to access the GPU installed
30 bool gpu::_initialized = false; // is the GPU device initialized 30 bool gpu::_initialized = false; // is the GPU device initialized
31 gpu::TargetGPUIL gpu::_targetIL = gpu::NONE; // No GPU detected yet.
31 32
32 void gpu::init() { 33 void gpu::init() {
33 #if defined(TARGET_OS_FAMILY_bsd) || defined(TARGET_OS_FAMILY_linux) 34 #if defined(TARGET_OS_FAMILY_bsd) || defined(TARGET_OS_FAMILY_linux)
34 gpu::probe_gpu(); 35 gpu::probe_gpu();
36 if (gpu::get_target_il_type() == gpu::PTX) {
37 set_gpu_linkage(gpu::Ptx::probe_linkage());
38 } else {
39 set_gpu_linkage(false);
40 }
35 #endif 41 #endif
36 // need multi-gpu TARGET ifdef
37 gpu::probe_linkage();
38 } 42 }
43
44 void gpu::initialize_gpu() {
45 if (gpu::has_gpu_linkage()) {
46 if (gpu::get_target_il_type() == gpu::PTX) {
47 set_initialized(gpu::Ptx::initialize_gpu());
48 }
49 // Add initialization of other GPUs here
50 }
51 }
52
53 void * gpu::generate_kernel(unsigned char *code, int code_len, const char *name) {
54 if (gpu::has_gpu_linkage()) {
55 if (gpu::get_target_il_type() == gpu::PTX) {
56 return (gpu::Ptx::generate_kernel(code, code_len, name));
57 }
58 } else {
59 // Add kernel generation functionality of other GPUs here
60 return NULL;
61 }
62 }
63
64 bool gpu::execute_kernel(address kernel, PTXKernelArguments & ptxka, JavaValue& ret) {
65 if (gpu::has_gpu_linkage()) {
66 if (gpu::get_target_il_type() == gpu::PTX) {
67 return (gpu::Ptx::execute_kernel(kernel, ptxka, ret));
68 }
69 } else {
70 // Add kernel execution functionality of other GPUs here
71 return false;
72 }
73 }
74