dkrottap
05e230f5c1
Migrated malloc related files under memory folder into catch2 framework Change-Id: I5aa07fc8148bdf6bef135947091aaf1d3c54663b
65 lines
2.4 KiB
C++
65 lines
2.4 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 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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/*
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This testcase verifies the following scenario
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1. Allocating the memory and modifying it coherently
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*/
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#include <hip_test_common.hh>
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#include <hip_test_kernels.hh>
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#include <hip_test_checkers.hh>
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constexpr auto wait_sec = 5000;
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__global__ void Kernel(float* hostRes, int clkRate) {
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int tid = threadIdx.x + blockIdx.x * blockDim.x;
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hostRes[tid] = tid + 1;
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__threadfence_system();
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// expecting that the data is getting flushed to host here!
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uint64_t start = clock64()/clkRate, cur;
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if (clkRate > 1) {
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do { cur = clock64()/clkRate-start;}while (cur < wait_sec);
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} else {
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do { cur = clock64()/start;}while (cur < wait_sec);
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}
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}
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TEST_CASE("Unit_hipHostMalloc_CoherentAccess") {
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int blocks = 2;
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float* hostRes;
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hipHostMalloc(&hostRes, blocks * sizeof(float),
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hipHostMallocMapped);
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hostRes[0] = 0;
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hostRes[1] = 0;
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int clkRate;
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HIP_CHECK(hipDeviceGetAttribute(&clkRate, hipDeviceAttributeClockRate, 0));
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std::cout << clkRate << std::endl;
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hipLaunchKernelGGL(HIP_KERNEL_NAME(Kernel), dim3(1), dim3(blocks),
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0, 0, hostRes, clkRate);
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int eleCounter = 0;
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while (eleCounter < blocks) {
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// blocks until the value changes
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while (hostRes[eleCounter] == 0) {printf("waiting for counter inc\n");}
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eleCounter++;
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}
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hipHostFree(reinterpret_cast<void *>(hostRes));
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}
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