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comparison src/gpu/ptx/vm/gpu_ptx.cpp @ 13683:de839ec35cc7

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schedule lambda method compilation and execution on GPU (PTX) when possible; fix a couple of bugs.
author S.Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
date Fri, 17 Jan 2014 16:03:13 -0500
parents fff17b5dff8a
children 80cd5c3b8827
comparison
equal deleted inserted replaced
13682:c4ff08d2aa0d 13683:de839ec35cc7
329 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name); 329 tty->print_cr("[CUDA] *** Error: Failed to get function %s", name);
330 return NULL; 330 return NULL;
331 } 331 }
332 332
333 if (TraceGPUInteraction) { 333 if (TraceGPUInteraction) {
334 tty->print_cr("[CUDA] Got function handle for %s", name); 334 tty->print_cr("[CUDA] Got function handle for %s kernel address %p", name, cu_function);
335 } 335 }
336 336
337 return cu_function; 337 return cu_function;
338 } 338 }
339 339
373 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status); 373 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
374 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_RuntimeException(), "[CUDA] Failed to allocate memory for return value pointer on device"); 374 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_RuntimeException(), "[CUDA] Failed to allocate memory for return value pointer on device");
375 return 0L; 375 return 0L;
376 } 376 }
377 // Push device_return_value to kernelParams 377 // Push device_return_value to kernelParams
378 gpu::Ptx::CUdeviceptr* returnValuePtr = (gpu::Ptx::CUdeviceptr*) (address) parametersAndReturnValueBuffer + parametersAndReturnValueBufferSize - sizeof(device_return_value); 378 gpu::Ptx::CUdeviceptr* returnValuePtr = (gpu::Ptx::CUdeviceptr*)
379 ((address) parametersAndReturnValueBuffer +
380 parametersAndReturnValueBufferSize - sizeof(device_return_value));
379 *returnValuePtr = device_return_value; 381 *returnValuePtr = device_return_value;
380 } 382 }
381 383
382 status = _cuda_cu_launch_kernel(cu_function, 384 status = _cuda_cu_launch_kernel(cu_function,
383 gridX, gridY, gridZ, 385 gridX, gridY, gridZ,
415 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_Exception(), "[CUDA] Failed to copy value from device argument"); 417 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_Exception(), "[CUDA] Failed to copy value from device argument");
416 return 0L; 418 return 0L;
417 } 419 }
418 thread->set_vm_result(return_val); 420 thread->set_vm_result(return_val);
419 } else if (returnTypeSize > 0) { 421 } else if (returnTypeSize > 0) {
420 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&primitiveReturnValue, device_return_value, T_LONG_BYTE_SIZE); 422 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(&primitiveReturnValue, device_return_value, returnTypeSize);
421 if (status != GRAAL_CUDA_SUCCESS) { 423 if (status != GRAAL_CUDA_SUCCESS) {
422 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value from device argument", status); 424 tty->print_cr("[CUDA] *** Error (%d) Failed to copy value from device argument", status);
423 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_Exception(), "[CUDA] Failed to copy value from device argument"); 425 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_Exception(), "[CUDA] Failed to copy value from device argument");
424 return 0L; 426 return 0L;
425 } 427 }