lthakur
107 lines
4.2 KiB
C++
107 lines
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 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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// The following test case allocation, host access, device access of HMM
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// memory from size 1 to 10KB
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#include <hip_test_common.hh>
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#include <hip_test_checkers.hh>
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#define INCRMNT 10
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// Kernel function
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__global__ void KrnlWth2MemTypesC(unsigned char *Hmm, unsigned char *Dptr,
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size_t n) {
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size_t index = blockIdx.x * blockDim.x + threadIdx.x;
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size_t stride = blockDim.x * gridDim.x;
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for (size_t i = index; i < n; i += stride) {
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Hmm[i] = Dptr[i] + INCRMNT;
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}
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}
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static bool IfTestPassed = true;
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static int HmmAttrPrint() {
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int managed = 0;
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INFO("The following are the attribute values related to HMM for"
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" device 0:\n");
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HIP_CHECK(hipDeviceGetAttribute(&managed,
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hipDeviceAttributeDirectManagedMemAccessFromHost, 0));
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INFO("hipDeviceAttributeDirectManagedMemAccessFromHost: " << managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed,
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hipDeviceAttributeConcurrentManagedAccess, 0));
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INFO("hipDeviceAttributeConcurrentManagedAccess: " << managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed,
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hipDeviceAttributePageableMemoryAccess, 0));
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INFO("hipDeviceAttributePageableMemoryAccess: " << managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed,
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hipDeviceAttributePageableMemoryAccessUsesHostPageTables, 0));
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INFO("hipDeviceAttributePageableMemoryAccessUsesHostPageTables:"
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<< managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed, hipDeviceAttributeManagedMemory,
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0));
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INFO("hipDeviceAttributeManagedMemory: " << managed);
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return managed;
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}
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// The following test case allocation, host access, device access of HMM
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// memory from size 1 to 10KB
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TEST_CASE("Unit_hipMallocManaged_MultiSize") {
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IfTestPassed = true;
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int managed = HmmAttrPrint();
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if (managed == 1) {
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unsigned char *Hmm1 = nullptr, *Hmm2 = nullptr;
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int InitVal = 100, blockSize = 64, DataMismatch = 0;
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hipStream_t strm;
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HIP_CHECK(hipStreamCreate(&strm));
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dim3 dimBlock(blockSize, 1, 1);
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for (int i = 1; i < (1024*1024); ++i) {
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HIP_CHECK(hipMallocManaged(&Hmm1, i));
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HIP_CHECK(hipMallocManaged(&Hmm2, i));
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for (int j = 0; j < i; ++j) {
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Hmm1[j] = InitVal;
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}
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dim3 dimGrid((i + blockSize -1)/blockSize, 1, 1);
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KrnlWth2MemTypesC<<<dimGrid, dimBlock, 0, strm>>>(Hmm2, Hmm1, i);
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HIP_CHECK(hipStreamSynchronize(strm));
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// Verifying the results
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for (int k = 0; k < i; ++k) {
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if (Hmm2[k] != (InitVal + INCRMNT)) {
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DataMismatch++;
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}
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}
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if (DataMismatch != 0) {
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WARN("DataMismatch observed!\n");
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IfTestPassed = false;
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}
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DataMismatch = 0;
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HIP_CHECK(hipFree(Hmm1));
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HIP_CHECK(hipFree(Hmm2));
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if (IfTestPassed == false) {
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HIP_CHECK(hipStreamDestroy(strm));
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REQUIRE(false);
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}
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}
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HIP_CHECK(hipStreamDestroy(strm));
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} else {
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SUCCEED("GPU 0 doesn't support hipDeviceAttributeManagedMemory "
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"attribute. Hence skipping the testing with Pass result.\n");
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}
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}
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