marandje
131 строка
4.2 KiB
C++
131 строка
4.2 KiB
C++
/*
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Copyright (c) 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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// Test hipEventIpc behavior.
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#include <hip_test_checkers.hh>
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#include <hip_test_kernels.hh>
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#include <hip_test_common.hh>
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/**
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* @addtogroup hipEventCreateWithFlags hipEventCreateWithFlags
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* @{
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* @ingroup EventTest
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*/
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/**
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* Test Description
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* ------------------------
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* - Validate Event Management APIs when working with multiple processes.
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* Test source
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* ------------------------
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* - unit/event/Unit_hipEventIpc.cc
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* Test requirements
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* ------------------------
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* - HIP_VERSION >= 5.2
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*/
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TEST_CASE("Unit_hipEventIpc") {
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size_t N = 4 * 1024 * 1024;
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unsigned threadsPerBlock = 256;
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int iterations = 1;
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unsigned blocks = (N + threadsPerBlock - 1) / threadsPerBlock;
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if (blocks > 1024) blocks = 1024;
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if (blocks == 0) blocks = 1;
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printf("N=%zu (A+B+C= %6.1f MB total) blocks=%u threadsPerBlock=%u iterations=%d\n", N,
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((double)3 * N * sizeof(float)) / 1024 / 1024, blocks, threadsPerBlock, iterations);
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printf("iterations=%d\n", iterations);
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size_t Nbytes = N * sizeof(float);
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float *A_h, *B_h, *C_h;
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float *A_d, *B_d, *C_d;
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HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N);
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hipEvent_t start, stop;
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// NULL stream check:
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HIP_CHECK(hipEventCreateWithFlags(&start, hipEventDisableTiming | hipEventInterprocess));
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HIP_CHECK(hipEventCreateWithFlags(&stop, hipEventDisableTiming | hipEventInterprocess));
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HIP_CHECK(hipMemcpy(A_d, A_h, Nbytes, hipMemcpyHostToDevice));
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HIP_CHECK(hipMemcpy(B_d, B_h, Nbytes, hipMemcpyHostToDevice));
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for (int i = 0; i < iterations; i++) {
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//--- START TIMED REGION
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long long hostStart = HipTest::get_time();
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// Record the start event
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HIP_CHECK(hipEventRecord(start, NULL));
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hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, 0,
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static_cast<const float*>(A_d), static_cast<const float*>(B_d), C_d, N);
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HIP_CHECK(hipGetLastError());
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HIP_CHECK(hipEventRecord(stop, NULL));
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HIP_CHECK(hipEventSynchronize(stop));
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HIP_CHECK(hipEventQuery(stop));
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long long hostStop = HipTest::get_time();
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//--- STOP TIMED REGION
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float eventMs = 1.0f;
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// should fail due to hipEventDisableTiming
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REQUIRE(hipSuccess != hipEventElapsedTime(&eventMs, start, stop));
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float hostMs = HipTest::elapsed_time(hostStart, hostStop);
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printf("host_time (chrono) =%6.3fms\n", hostMs);
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printf("kernel_time (hipEventElapsedTime) =%6.3fms\n", eventMs);
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printf("\n");
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}
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hipIpcEventHandle_t ipc_handle;
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HIP_CHECK(hipIpcGetEventHandle(&ipc_handle, start));
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hipEvent_t ipc_event;
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hipError_t err = hipIpcOpenEventHandle(&ipc_event, ipc_handle);
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#if HT_WIN
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// always different process Id on Windows
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HIP_CHECK(err);
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#else
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// hipIpcOpenEventHandle() should be called in a different process, hence it should fail here
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REQUIRE(err == hipErrorInvalidContext);
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#endif
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HIP_CHECK(hipEventDestroy(start));
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HIP_CHECK(hipEventDestroy(stop));
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#if HT_WIN
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HIP_CHECK(hipEventDestroy(ipc_event));
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#endif
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HIP_CHECK(hipMemcpy(C_h, C_d, Nbytes, hipMemcpyDeviceToHost));
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HipTest::checkVectorADD(A_h, B_h, C_h, N, true);
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HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
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}
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/**
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* End doxygen group EventTest.
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* @}
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*/
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