agodavar
92 строки
3.1 KiB
C++
Исполняемый файл
92 строки
3.1 KiB
C++
Исполняемый файл
/*
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Copyright (c) 2015-2017 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 EXCLUDE_HIP_PLATFORM nvidia
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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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#define N 1024
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#define OFFSET 128
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void single_process() {
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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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hipIpcMemHandle_t ipc_handle;
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hipIpcMemHandle_t ipc_offset_handle;
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HIPCHECK(hipMalloc((void**)&ipc_dptr, N * sizeof(int)));
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// Negative, Make sure we return error when an offset of original ptr is passed
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ipc_offset_dptr = ipc_dptr + (OFFSET * sizeof(int));
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// HIP API return value differs from CUDA's return type
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assert(hipErrorInvalidDevicePointer == hipIpcGetMemHandle(&ipc_offset_handle, ipc_offset_dptr));
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// Get handle for the device_ptr
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HIPCHECK(hipIpcGetMemHandle(&ipc_handle, ipc_dptr));
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// Set Values @ Host Ptr
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ipc_hptr = new int[N];
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for (size_t idx = 0; idx < N; ++idx) {
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ipc_hptr[idx] = idx;
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}
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// Copy values to Device ptr
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HIPCHECK(hipMemset(ipc_dptr, 0x00, (N * sizeof(int))));
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HIPCHECK(hipMemcpy(ipc_dptr, ipc_hptr, (N * sizeof(int)), hipMemcpyHostToDevice));
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// Open handle to get dev_ptr
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ipc_out_hptr = new int[N];
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memset(ipc_out_hptr, 0x00, (N * sizeof(int)));
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HIPCHECK(hipIpcOpenMemHandle((void**)&ipc_out_dptr, ipc_handle, 0));
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// Copy Values from Device to Host and Check for correctness
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HIPCHECK(hipMemcpy(ipc_out_hptr, ipc_out_dptr, (N * sizeof(int)), hipMemcpyDeviceToHost));
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for (size_t idx = 0; idx < N; ++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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//Close All Mem Handle
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HIPCHECK(hipIpcCloseMemHandle(ipc_out_dptr));
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HIPCHECK(hipFree(ipc_dptr));
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delete[] ipc_hptr;
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delete[] ipc_out_hptr;
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}
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void multi_process() {
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//To create and open IPC handle via multiple process
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}
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int main() {
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single_process();
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multi_process();
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passed();
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}
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