Danylo Lytovchenko
113 строки
4.1 KiB
C++
113 строки
4.1 KiB
C++
/*
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Copyright (c) 2025 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 WARRANNTY OF ANY KIND, EXPRESS OR
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IMPLIED, INNCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANNY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER INN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR INN 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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#include <hip_test_common.hh>
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#include <vector>
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#include <thread>
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/*
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hipDeviceReset deletes all active streams including hipStreamPerThread.
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Scenario: App calls hipDeviceReset while in other thread some Async operation is in
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progress on hipStreamPerThread.
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Watch out: hipDeviceRest should be successfull without any crash
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*/
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static void Copy_to_device() {
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unsigned int ele_size = (32 * 1024); // 32KB
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int* A_h = nullptr;
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int* A_d = nullptr;
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hipError_t status = hipHostMalloc(&A_h, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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status = hipMalloc(&A_d, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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for (unsigned int i = 0; i < ele_size; ++i) {
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A_h[i] = 123;
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}
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HIP_CHECK(
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hipMemcpyAsync(A_d, A_h, ele_size * sizeof(int), hipMemcpyHostToDevice, hipStreamPerThread));
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// Clean up
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HIP_CHECK(hipHostFree(A_h));
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HIP_CHECK(hipFree(A_d));
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}
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TEST_CASE("Unit_hipStreamPerThread_DeviceReset_1") {
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constexpr unsigned int MAX_THREAD_CNT = 10;
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std::vector<std::thread> threads(MAX_THREAD_CNT);
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for (auto& th : threads) {
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th = std::thread(Copy_to_device);
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}
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for (auto& th : threads) {
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th.join();
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}
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HIP_CHECK(hipDeviceReset());
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}
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/*
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hipDeviceReset deletes all active streams including hipStreamPerThread.
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Scenario: i) Launch Async task on hipStreamPerThread and waits for it to complete.
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ii) Call hipDeviceReset to delete all active stream
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iii) Again try to launch Async task on hipStreamPerThread
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Watch out: Since hipStreamPerThread is an implicit stream hence even after device reset
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it should available to use.
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*/
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TEST_CASE("Unit_hipStreamPerThread_DeviceReset_2") {
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unsigned int ele_size = (32 * 1024); // 32KB
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int* A_h = nullptr;
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int* A_d = nullptr;
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hipError_t status = hipHostMalloc(&A_h, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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status = hipMalloc(&A_d, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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for (unsigned int i = 0; i < ele_size; ++i) {
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A_h[i] = 123;
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}
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status =
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hipMemcpyAsync(A_d, A_h, ele_size * sizeof(int), hipMemcpyHostToDevice, hipStreamPerThread);
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if (status != hipSuccess) return;
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HIP_CHECK(hipStreamSynchronize(hipStreamPerThread));
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// Host Memory is not destroyed with hipDeviceReset, need to free it
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// explicitly to avoid memory leaks
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HIP_CHECK(hipHostFree(A_h));
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HIP_CHECK(hipDeviceReset());
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// After reset all memory objects will be destroyed hence allocating them again
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// Intention is to use hipStreamPerThread successfully after reset hence not validating
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// values after copy
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status = hipHostMalloc(&A_h, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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status = hipMalloc(&A_d, ele_size * sizeof(int));
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if (status != hipSuccess) return;
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status =
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hipMemcpyAsync(A_d, A_h, ele_size * sizeof(int), hipMemcpyHostToDevice, hipStreamPerThread);
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if (status != hipSuccess) return;
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HIP_CHECK(hipStreamSynchronize(hipStreamPerThread));
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// Clean up
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HIP_CHECK(hipHostFree(A_h));
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HIP_CHECK(hipFree(A_d));
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}
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