agunashe
104 líneas
3.3 KiB
C++
Archivo Ejecutable
104 líneas
3.3 KiB
C++
Archivo Ejecutable
/*
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Copyright (c) 2015 - 2021 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* HIT_START
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* BUILD: %t %s ../test_common.cpp
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* TEST: %t
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* HIT_END
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*/
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#include "test_common.h"
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#include "MultiProcess.h"
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#define NUM_ELEMS 1024
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#define OFFSET 128
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void multi_process(int num_process, bool debug_process) {
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#ifdef __unix__
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int* ipc_dptr = nullptr;
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int* ipc_hptr = nullptr;
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int* ipc_out_dptr = nullptr;
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int* ipc_out_hptr = nullptr;
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int* ipc_offset_dptr = nullptr;
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MultiProcess<hipIpcMemHandle_t>* mProcess = new MultiProcess<hipIpcMemHandle_t>(num_process);
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mProcess->CreateShmem();
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pid_t pid = mProcess->SpawnProcess(debug_process);
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// Parent Process
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if (pid != 0) {
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hipIpcMemHandle_t ipc_handle;
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memset(&ipc_handle, 0x00, sizeof(hipIpcMemHandle_t));
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HIPCHECK(hipMalloc((void**)&ipc_dptr, NUM_ELEMS * sizeof(int)));
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// Add offset to the dev_ptr
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ipc_offset_dptr = ipc_dptr + OFFSET;
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// Get handle for the offsetted device_ptr
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HIPCHECK(hipIpcGetMemHandle(&ipc_handle, ipc_offset_dptr));
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ipc_hptr = new int[NUM_ELEMS];
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for (size_t idx = 0; idx < NUM_ELEMS; ++idx) {
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ipc_hptr[idx] = idx;
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}
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HIPCHECK(hipMemset(ipc_dptr, 0x00, (NUM_ELEMS * sizeof(int))));
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HIPCHECK(hipMemcpy(ipc_dptr, ipc_hptr, (NUM_ELEMS * sizeof(int)), hipMemcpyHostToDevice));
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mProcess->WriteHandleToShmem(ipc_handle);
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mProcess->WaitTillAllChildReads();
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} else {
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ipc_out_hptr = new int[NUM_ELEMS];
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memset(ipc_out_hptr, 0x00, (NUM_ELEMS * sizeof(int)));
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hipIpcMemHandle_t ipc_handle;
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mProcess->ReadHandleFromShmem(ipc_handle);
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// Open handle to get dev_ptr
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HIPCHECK(hipIpcOpenMemHandle((void**)&ipc_out_dptr, ipc_handle, hipIpcMemLazyEnablePeerAccess));
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HIPCHECK(hipMemcpy(ipc_out_hptr, ipc_out_dptr, (NUM_ELEMS * sizeof(int)),
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hipMemcpyDeviceToHost));
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for (size_t idx = 0; idx < NUM_ELEMS; ++idx) {
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if (ipc_out_hptr[idx] != idx) {
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std::cout<<"Failing @ idx: "<< idx << std::endl;
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}
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}
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mProcess->NotifyParentDone();
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HIPCHECK(hipIpcCloseMemHandle(ipc_out_dptr));
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delete[] ipc_out_hptr;
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}
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if (pid != 0) {
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delete mProcess;
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}
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#endif /* __unix__ */
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}
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int main(int argc, char* argv[]) {
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HipTest::parseStandardArguments(argc, argv, true);
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multi_process((N < 64) ? N : 64, debug_test);
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passed();
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}
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