Jatin Chaudhary
98 строки
3.3 KiB
C++
98 строки
3.3 KiB
C++
/*
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Copyright (c) 2022 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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#include <hip_test_common.hh>
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// Since we can not use atomic*_system on every gpu, we will use wait based on clock rate.
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// This wont be accurate since current clock rate of a GPU varies depending on many variables
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// including thermals, load, utilization etc
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__global__ void waitKernel(int clockRate, int seconds) {
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auto start = clock();
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auto ms = seconds * 1000;
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long long waitTill = clockRate * (long long)ms;
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while (1) {
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auto end = clock();
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if ((end - start) > waitTill) {
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return;
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}
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}
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}
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TEST_CASE("Unit_hipEventQuery_DifferentDevice") {
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hipEvent_t event1{}, event2{};
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HIP_CHECK(hipEventCreate(&event1));
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HIP_CHECK(hipEventCreate(&event2));
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REQUIRE(event1 != nullptr);
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REQUIRE(event2 != nullptr);
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hipStream_t stream{nullptr};
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HIP_CHECK(hipStreamCreate(&stream));
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REQUIRE(stream != nullptr);
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hipDeviceProp_t prop{};
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HIP_CHECK(hipGetDeviceProperties(&prop, 0));
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auto clockRate = prop.clockRate;
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// Start kernel on 1st device
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{
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HIP_CHECK(hipSetDevice(0));
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HIP_CHECK(hipEventRecord(event1, stream));
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// Start kernel and wait for 3 seconds
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// Make sure you increase this time if you add more tests here
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waitKernel<<<1, 1, 0, stream>>>(clockRate, 3);
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HIP_CHECK(hipEventRecord(event2, stream));
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HIP_CHECK(hipEventSynchronize(event1));
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HIP_CHECK(hipEventQuery(event1)); // Should be done
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HIP_CHECK_ERROR(hipEventQuery(event2),
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hipErrorNotReady); // Wont be done since kernel is waiting
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}
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// If other devices are available, set it
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if (HipTest::getDeviceCount() > 1) {
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HIP_CHECK(hipSetDevice(1));
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}
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// Query from same or other device depending on availability
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{
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HIP_CHECK(hipEventQuery(event1));
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HIP_CHECK_ERROR(hipEventQuery(event2), hipErrorNotReady);
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// Sync
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// if it hangs here it means GPU kernel cant see the value update by atomic store
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HIP_CHECK(hipEventSynchronize(event2));
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// Query, should be done now
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HIP_CHECK(hipEventQuery(event2));
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}
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// Query on same device if multiple devices are present
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if (HipTest::getDeviceCount() > 1) {
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HIP_CHECK(hipSetDevice(0));
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HIP_CHECK(hipEventQuery(event2));
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}
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HIP_CHECK(hipEventDestroy(event1));
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HIP_CHECK(hipEventDestroy(event2));
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HIP_CHECK(hipStreamDestroy(stream));
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}
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