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comparison src/share/vm/graal/graalCompilerToGPU.cpp @ 12490:4dba97fb1a6f

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available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
author Doug Simon <doug.simon@oracle.com>
date Fri, 18 Oct 2013 23:55:35 +0200
parents bb5a7574ae81
children 1a7e7011a341
comparison
equal deleted inserted replaced
12489:0c651af30cc8 12490:4dba97fb1a6f
186 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false) { 186 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false) {
187 tty->print_cr("deviceInit - not available / no linkage"); 187 tty->print_cr("deviceInit - not available / no linkage");
188 return false; 188 return false;
189 } 189 }
190 return gpu::available_processors(); 190 return gpu::available_processors();
191 C2V_END
192
193 static objArrayHandle newSingletonStringArray(const char* value, TRAPS) {
194 objArrayHandle nullRes;
195 objArrayOop res = oopFactory::new_objArray(SystemDictionary::String_klass(), 1, CHECK_(nullRes));
196 objArrayHandle res_h = objArrayHandle(THREAD, res);
197 Handle valueString = java_lang_String::create_from_str(value, CHECK_(nullRes));
198 res_h->obj_at_put(0, valueString());
199 return res_h;
200 }
201
202 C2V_VMENTRY(jobject, getAvailableGPUArchitectures, (JNIEnv *env, jobject))
203 if (UseGPU) {
204 if (gpu::is_available() && gpu::has_gpu_linkage()) {
205 if (gpu::get_target_il_type() == gpu::PTX) {
206 return JNIHandles::make_local(newSingletonStringArray("PTX", THREAD)());
207 }
208 if (gpu::get_target_il_type() == gpu::HSAIL) {
209 return JNIHandles::make_local(newSingletonStringArray("HSAIL", THREAD)());
210 }
211 }
212 }
213 return JNIHandles::make_local(oopFactory::new_objArray(SystemDictionary::String_klass(), 0, THREAD));
214 C2V_END 191 C2V_END
215 192
216 C2V_VMENTRY(jboolean, deviceDetach, (JNIEnv *env, jobject)) 193 C2V_VMENTRY(jboolean, deviceDetach, (JNIEnv *env, jobject))
217 return true; 194 return true;
218 C2V_END 195 C2V_END
256 JNINativeMethod CompilerToGPU_methods[] = { 233 JNINativeMethod CompilerToGPU_methods[] = {
257 {CC"generateKernel", CC"([B" STRING ")"GPUSPACE_METHOD, FN_PTR(generateKernel)}, 234 {CC"generateKernel", CC"([B" STRING ")"GPUSPACE_METHOD, FN_PTR(generateKernel)},
258 {CC"deviceInit", CC"()Z", FN_PTR(deviceInit)}, 235 {CC"deviceInit", CC"()Z", FN_PTR(deviceInit)},
259 {CC"deviceDetach", CC"()Z", FN_PTR(deviceDetach)}, 236 {CC"deviceDetach", CC"()Z", FN_PTR(deviceDetach)},
260 {CC"availableProcessors", CC"()I", FN_PTR(availableProcessors)}, 237 {CC"availableProcessors", CC"()I", FN_PTR(availableProcessors)},
261 {CC"getAvailableGPUArchitectures", CC"()["STRING, FN_PTR(getAvailableGPUArchitectures)},
262 {CC"executeExternalMethodVarargs", CC"(["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeExternalMethodVarargs)}, 238 {CC"executeExternalMethodVarargs", CC"(["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeExternalMethodVarargs)},
263 {CC"executeParallelMethodVarargs", CC"(III["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeParallelMethodVarargs)}, 239 {CC"executeParallelMethodVarargs", CC"(III["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeParallelMethodVarargs)},
264 }; 240 };
265 241
266 int CompilerToGPU_methods_count() { 242 int CompilerToGPU_methods_count() {