/* Copyright (c) 2021-22-present Advanced Micro Devices, Inc. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * Different test for checking functionality of * hipError_t hipMemcpyWithStream(void* dst, const void* src, size_t sizeBytes,hipMemcpyKind kind, * hipStream_t stream); */ /* This testfile verifies the following scenarios 1. hipMemcpyWithStream with one stream 2. hipMemcpyWithStream with two streams 3. Multi GPU and single stream 4. hipMemcpyWithStream API with testkind DtoH 5. hipMemcpyWithStream API with testkind DtoD 6. hipMemcpyWithStream API with testkind HtoH 7. hipMemcpyWithStream API with testkind TestkindDefault 8. hipMemcpyWithStream API with testkind TestkindDefaultForDtoD 9. hipMemcpyWithStream API DtoD on same device */ #include #include #include #include #include #include #define LEN 64 #define SIZE LEN << 2 #define THREADS 2 #define MAX_THREADS 16 static constexpr size_t N{4 * 1024 * 1024}; static const auto MaxGPUDevices{256}; static constexpr unsigned blocksPerCU{6}; // to hide latency static constexpr unsigned threadsPerBlock{256}; enum class ops { TestwithOnestream, TestwithTwoStream, TestOnMultiGPUwithOneStream, TestkindDtoH, TestkindDtoD, TestkindHtoH, TestkindDefault, TestkindDefaultForDtoD, TestDtoDonSameDevice, END_OF_LIST }; struct joinable_thread : std::thread { template explicit joinable_thread(Xs&&... xs) : std::thread(std::forward(xs)...) {} // NOLINT joinable_thread& operator=(joinable_thread&& other) = default; joinable_thread(joinable_thread&& other) = default; ~joinable_thread() { if (this->joinable()) this->join(); } }; void TestwithOnestream(void) { size_t Nbytes = N * sizeof(int); int *A_d, *B_d, *C_d; int *A_h, *B_h, *C_h; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false); hipStream_t stream; HIP_CHECK(hipStreamCreate(&stream)); HIP_CHECK(hipMemcpyWithStream(A_d, A_h, Nbytes, hipMemcpyHostToDevice, stream)); HIP_CHECK(hipMemcpyWithStream(B_d, B_h, Nbytes, hipMemcpyHostToDevice, stream)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream, static_cast(A_d), static_cast(B_d), C_d, N); HIP_CHECK(hipGetLastError()); HIP_CHECK(hipStreamSynchronize(stream)); HIP_CHECK(hipMemcpy(C_h, C_d, Nbytes, hipMemcpyDeviceToHost)); HipTest::checkVectorADD(A_h, B_h, C_h, N); HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false); HIP_CHECK(hipStreamDestroy(stream)); } void TestwithTwoStream(void) { size_t Nbytes = N * sizeof(int); const int NUM_STREAMS = 2; int *A_d[NUM_STREAMS], *B_d[NUM_STREAMS], *C_d[NUM_STREAMS]; int *A_h[NUM_STREAMS], *B_h[NUM_STREAMS], *C_h[NUM_STREAMS]; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); for (int i = 0; i < NUM_STREAMS; ++i) { HipTest::initArrays(&A_d[i], &B_d[i], &C_d[i], &A_h[i], &B_h[i], &C_h[i], N, false); } hipStream_t stream[NUM_STREAMS]; for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipStreamCreate(&stream[i])); } for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipMemcpyWithStream(A_d[i], A_h[i], Nbytes, hipMemcpyHostToDevice, stream[i])); HIP_CHECK(hipMemcpyWithStream(B_d[i], B_h[i], Nbytes, hipMemcpyHostToDevice, stream[i])); } for (int i = 0; i < NUM_STREAMS; ++i) { hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream[i], static_cast(A_d[i]), static_cast(B_d[i]), C_d[i], N); HIP_CHECK(hipGetLastError()); } for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipStreamSynchronize(stream[i])); HIP_CHECK(hipMemcpy(C_h[i], C_d[i], Nbytes, hipMemcpyDeviceToHost)); HipTest::checkVectorADD(A_h[i], B_h[i], C_h[i], N); } for (int i = 0; i < NUM_STREAMS; ++i) { HipTest::freeArrays(A_d[i], B_d[i], C_d[i], A_h[i], B_h[i], C_h[i], false); HIP_CHECK(hipStreamDestroy(stream[i])); } } void TestDtoDonSameDevice(void) { size_t Nbytes = N * sizeof(int); const int NUM_STREAMS = 2; int *A_d[NUM_STREAMS], *B_d[NUM_STREAMS], *C_d[NUM_STREAMS]; int *A_h[NUM_STREAMS], *B_h[NUM_STREAMS], *C_h[NUM_STREAMS]; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HipTest::initArrays(&A_d[0], &B_d[0], &C_d[0], &A_h[0], &B_h[0], &C_h[0], N, false); hipStream_t stream[NUM_STREAMS]; for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipSetDevice(0)); HIP_CHECK(hipStreamCreate(&stream[i])); } HIP_CHECK(hipSetDevice(0)); HIP_CHECK(hipMalloc(&A_d[1], Nbytes)); HIP_CHECK(hipMalloc(&B_d[1], Nbytes)); HIP_CHECK(hipMalloc(&C_d[1], Nbytes)); C_h[1] = reinterpret_cast(malloc(Nbytes)); HIP_ASSERT(C_h[1] != NULL); HIP_CHECK(hipMemcpyWithStream(A_d[0], A_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); HIP_CHECK(hipMemcpyWithStream(B_d[0], B_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); HIP_CHECK(hipMemcpyWithStream(A_d[1], A_d[0], Nbytes, hipMemcpyDeviceToDevice, stream[1])); HIP_CHECK(hipMemcpyWithStream(B_d[1], B_d[0], Nbytes, hipMemcpyDeviceToDevice, stream[1])); for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipSetDevice(0)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream[i], static_cast(A_d[i]), static_cast(B_d[i]), C_d[i], N); HIP_CHECK(hipGetLastError()); } for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipSetDevice(0)); HIP_CHECK(hipStreamSynchronize(stream[i])); HIP_CHECK(hipMemcpy(C_h[i], C_d[i], Nbytes, hipMemcpyDeviceToHost)); HipTest::checkVectorADD(A_h[0], B_h[0], C_h[i], N); } HipTest::freeArrays(A_d[0], B_d[0], C_d[0], A_h[0], B_h[0], C_h[0], false); if (A_d[1]) { HIP_CHECK(hipFree(A_d[1])); } if (B_d[1]) { HIP_CHECK(hipFree(B_d[1])); } if (C_d[1]) { HIP_CHECK(hipFree(C_d[1])); } if (C_h[1]) { free(C_h[1]); } for (int i = 0; i < NUM_STREAMS; ++i) { HIP_CHECK(hipStreamDestroy(stream[i])); } } void TestOnMultiGPUwithOneStream(void) { size_t Nbytes = N * sizeof(int); int NumDevices = 0; HIP_CHECK(hipGetDeviceCount(&NumDevices)); // If you have single GPU machine the return if (NumDevices <= 1) { SUCCEED("NumDevices <2"); } else { unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); int *A_d[MaxGPUDevices], *B_d[MaxGPUDevices], *C_d[MaxGPUDevices]; int *A_h[MaxGPUDevices], *B_h[MaxGPUDevices], *C_h[MaxGPUDevices]; hipStream_t stream[MaxGPUDevices]; for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipStreamCreate(&stream[i])); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HipTest::initArrays(&A_d[i], &B_d[i], &C_d[i], &A_h[i], &B_h[i], &C_h[i], N, false); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipMemcpyWithStream(A_d[i], A_h[i], Nbytes, hipMemcpyHostToDevice, stream[i])); HIP_CHECK(hipMemcpyWithStream(B_d[i], B_h[i], Nbytes, hipMemcpyHostToDevice, stream[i])); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream[i], static_cast(A_d[i]), static_cast(B_d[i]), C_d[i], N); HIP_CHECK(hipGetLastError()); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipStreamSynchronize(stream[i])); HIP_CHECK(hipMemcpy(C_h[i], C_d[i], Nbytes, hipMemcpyDeviceToHost)); HipTest::checkVectorADD(A_h[i], B_h[i], C_h[i], N); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HipTest::freeArrays(A_d[i], B_d[i], C_d[i], A_h[i], B_h[i], C_h[i], false); HIP_CHECK(hipStreamDestroy(stream[i])); } } } void TestkindDtoH(void) { size_t Nbytes = N * sizeof(int); int *A_d, *B_d, *C_d; int *A_h, *B_h, *C_h; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false); hipStream_t stream; HIP_CHECK(hipStreamCreate(&stream)); HIP_CHECK(hipMemcpyWithStream(A_d, A_h, Nbytes, hipMemcpyHostToDevice, stream)); HIP_CHECK(hipMemcpyWithStream(B_d, B_h, Nbytes, hipMemcpyHostToDevice, stream)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream, static_cast(A_d), static_cast(B_d), C_d, N); HIP_CHECK(hipGetLastError()); HIP_CHECK(hipStreamSynchronize(stream)); HIP_CHECK(hipMemcpyWithStream(C_h, C_d, Nbytes, hipMemcpyDeviceToHost, stream)); HipTest::checkVectorADD(A_h, B_h, C_h, N); HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false); HIP_CHECK(hipStreamDestroy(stream)); } void TestkindDtoD(void) { size_t Nbytes = N * sizeof(int); int NumDevices = 0; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HIP_CHECK(hipGetDeviceCount(&NumDevices)); // If you have single GPU machine the return if (NumDevices <= 1) { SUCCEED("NumDevices are less than 2"); } else { int *A_d[MaxGPUDevices], *B_d[MaxGPUDevices], *C_d[MaxGPUDevices]; int *A_h[MaxGPUDevices], *B_h[MaxGPUDevices], *C_h[MaxGPUDevices]; hipStream_t stream[MaxGPUDevices]; for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipStreamCreate(&stream[i])); } // Initialize and create the host and device elements for first device HIP_CHECK(hipSetDevice(0)); HipTest::initArrays(&A_d[0], &B_d[0], &C_d[0], &A_h[0], &B_h[0], &C_h[0], N, false); for (int i = 1; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)) HIP_CHECK(hipMalloc(&A_d[i], Nbytes)); HIP_CHECK(hipMalloc(&B_d[i], Nbytes)); HIP_CHECK(hipMalloc(&C_d[i], Nbytes)); C_h[i] = reinterpret_cast(malloc(Nbytes)); HIP_ASSERT(C_h[i] != NULL); } HIP_CHECK(hipSetDevice(0)); HIP_CHECK(hipMemcpyWithStream(A_d[0], A_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); HIP_CHECK(hipMemcpyWithStream(B_d[0], B_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); // Copying device data from 1st GPU to the rest of the the GPUs that is // NumDevices in the setup. 1st GPU start numbering from 0,1,2..n etc. for (int i = 1; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipMemcpyWithStream(A_d[i], A_d[0], Nbytes, hipMemcpyDeviceToDevice, stream[i])); HIP_CHECK(hipMemcpyWithStream(B_d[i], B_d[0], Nbytes, hipMemcpyDeviceToDevice, stream[i])); } // Launching the kernel including the 1st GPU to the no of GPUs present // in the setup. 1st GPU start numbering from 0,1,2..n etc. for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream[i], static_cast(A_d[i]), static_cast(B_d[i]), C_d[i], N); HIP_CHECK(hipGetLastError()); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipStreamSynchronize(stream[i])); HIP_CHECK(hipMemcpy(C_h[i], C_d[i], Nbytes, hipMemcpyDeviceToHost)); HipTest::checkVectorADD(A_h[0], B_h[0], C_h[i], N); } HipTest::freeArrays(A_d[0], B_d[0], C_d[0], A_h[0], B_h[0], C_h[0], false); HIP_CHECK(hipStreamDestroy(stream[0])); for (int i = 1; i < NumDevices; ++i) { if (A_d[i]) { HIP_CHECK(hipFree(A_d[i])); } if (B_d[i]) { HIP_CHECK(hipFree(B_d[i])); } if (C_d[i]) { HIP_CHECK(hipFree(C_d[i])); } if (C_h[i]) { free(C_h[i]); } HIP_CHECK(hipStreamDestroy(stream[i])); } } } void TestkindDefault(void) { size_t Nbytes = N * sizeof(int); int *A_d, *B_d, *C_d; int *A_h, *B_h, *C_h; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false); hipStream_t stream; HIP_CHECK(hipStreamCreate(&stream)); HIP_CHECK(hipMemcpyWithStream(A_d, A_h, Nbytes, hipMemcpyDefault, stream)); HIP_CHECK(hipMemcpyWithStream(B_d, B_h, Nbytes, hipMemcpyDefault, stream)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream, static_cast(A_d), static_cast(B_d), C_d, N); HIP_CHECK(hipGetLastError()); HIP_CHECK(hipStreamSynchronize(stream)); HIP_CHECK(hipMemcpyWithStream(C_h, C_d, Nbytes, hipMemcpyDefault, stream)); HipTest::checkVectorADD(A_h, B_h, C_h, N); HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false); HIP_CHECK(hipStreamDestroy(stream)); } void TestkindDefaultForDtoD(void) { size_t Nbytes = N * sizeof(int); int NumDevices = 0; unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N); HIP_CHECK(hipGetDeviceCount(&NumDevices)); // Test case will not run on single GPU setup. if (NumDevices <= 1) { SUCCEED("No of Devices < 2"); } else { int *A_d[MaxGPUDevices], *B_d[MaxGPUDevices], *C_d[MaxGPUDevices]; int *A_h[MaxGPUDevices], *B_h[MaxGPUDevices], *C_h[MaxGPUDevices]; // Initialize and create the host and device elements for first device HIP_CHECK(hipSetDevice(0)); HipTest::initArrays(&A_d[0], &B_d[0], &C_d[0], &A_h[0], &B_h[0], &C_h[0], N, false); for (int i = 1; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipMalloc(&A_d[i], Nbytes)); HIP_CHECK(hipMalloc(&B_d[i], Nbytes)); HIP_CHECK(hipMalloc(&C_d[i], Nbytes)); C_h[i] = reinterpret_cast(malloc(Nbytes)); HIP_ASSERT(C_h[i] != NULL); } hipStream_t stream[MaxGPUDevices]; for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); HIP_CHECK(hipStreamCreate(&stream[i])); } HIP_CHECK(hipMemcpyWithStream(A_d[0], A_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); HIP_CHECK(hipMemcpyWithStream(B_d[0], B_h[0], Nbytes, hipMemcpyHostToDevice, stream[0])); // Copying device data from 1st GPU to the rest of the the GPUs // using hipMemcpyDefault kind that is NumDevices in the setup. // 1st GPU start numbering from 0,1,2..n etc. for (int i = 1; i < NumDevices; ++i) { HIP_CHECK(hipMemcpyWithStream(A_d[i], A_d[0], Nbytes, hipMemcpyDefault, stream[i])); HIP_CHECK(hipMemcpyWithStream(B_d[i], B_d[0], Nbytes, hipMemcpyDefault, stream[i])); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); hipLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, stream[i], static_cast(A_d[i]), static_cast(B_d[i]), C_d[i], N); HIP_CHECK(hipGetLastError()); } for (int i = 0; i < NumDevices; ++i) { HIP_CHECK(hipSetDevice(i)); // hipMemcpy will be on this device HIP_CHECK(hipStreamSynchronize(stream[i])); HIP_CHECK(hipMemcpy(C_h[i], C_d[i], Nbytes, hipMemcpyDeviceToHost)); // Output of each GPU is getting validated with input of 1st GPU. HipTest::checkVectorADD(A_h[0], B_h[0], C_h[i], N); } HipTest::freeArrays(A_d[0], B_d[0], C_d[0], A_h[0], B_h[0], C_h[0], false); HIP_CHECK(hipStreamDestroy(stream[0])); for (int i = 1; i < NumDevices; ++i) { if (A_d[i]) { HIP_CHECK(hipFree(A_d[i])); } if (B_d[i]) { HIP_CHECK(hipFree(B_d[i])); } if (C_d[i]) { HIP_CHECK(hipFree(C_d[i])); } if (C_h[i]) { free(C_h[i]); } HIP_CHECK(hipStreamDestroy(stream[i])); } } } void TestkindHtoH(void) { size_t Nbytes = N * sizeof(int); int *A_h, *B_h; // Allocate memory to A_h and B_h A_h = static_cast(malloc(Nbytes)); HIP_ASSERT(A_h != NULL); B_h = static_cast(malloc(Nbytes)); HIP_ASSERT(B_h != NULL); for (size_t i = 0; i < N; ++i) { if (A_h) { (A_h)[i] = 3.146f + i; // Pi } } hipStream_t stream; HIP_CHECK(hipStreamCreate(&stream)); HIP_CHECK(hipMemcpyWithStream(B_h, A_h, Nbytes, hipMemcpyHostToHost, stream)); HIP_CHECK(hipStreamSynchronize(stream)); for (size_t i = 0; i < N; i++) { HIP_ASSERT(A_h[i] == B_h[i]); } if (A_h) { free(A_h); } if (B_h) { free(B_h); } HIP_CHECK(hipStreamDestroy(stream)); } TEST_CASE("Unit_hipMemcpyWithStream_TestWithOneStream") { TestwithOnestream(); } TEST_CASE("Unit_hipMemcpyWithStream_TestwithTwoStream") { TestwithTwoStream(); } TEST_CASE("Unit_hipMemcpyWithStream_TestkindDtoH") { TestkindDtoH(); } TEST_CASE("Unit_hipMemcpyWithStream_TestkindHtoH") { TestkindHtoH(); } TEST_CASE("Unit_hipMemcpyWithStream_TestkindDtoD", "[multigpu]") { TestkindDtoD(); } TEST_CASE("Unit_hipMemcpyWithStream_TestOnMultiGPUwithOneStream", "[multigpu]") { TestOnMultiGPUwithOneStream(); } TEST_CASE("Unit_hipMemcpyWithStream_TestkindDefault") { TestkindDefault(); } #ifndef __HIP_PLATFORM_NVIDIA__ TEST_CASE("Unit_hipMemcpyWithStream_TestkindDefaultForDtoD", "[multigpu]") { TestkindDefaultForDtoD(); } #endif TEST_CASE("Unit_hipMemcpyWithStream_TestDtoDonSameDevice") { TestDtoDonSameDevice(); }