ROCm CI Service Account
125 خطوط
4.9 KiB
C++
125 خطوط
4.9 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 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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// Kernel function
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__global__ void MemPrftchAsyncKernel(int* C_d, const int* A_d, size_t N) {
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size_t offset = (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 = offset; i < N; i += stride) {
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C_d[i] = A_d[i] * A_d[i];
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}
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}
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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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/*
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Test Description: This test prefetches the memory to each of the available
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devices and launch kernel followed by result verification
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At the end the memory is prefetched to Host and kernel is launched followed
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by result verification.
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*/
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TEST_CASE("Unit_hipMemPrefetchAsync") {
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int MangdMem = HmmAttrPrint();
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if (MangdMem == 1) {
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bool IfTestPassed = true;
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int A_CONST = 123, MEM_SIZE = (8192 * sizeof(int));
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int *devPtr1 = NULL, *devPtr2 = NULL, NumDevs = 0, flag = 0;
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hipStream_t strm;
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HIP_CHECK(hipMallocManaged(&devPtr1, MEM_SIZE));
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HIP_CHECK(hipMallocManaged(&devPtr2, MEM_SIZE));
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HIP_CHECK(hipGetDeviceCount(&NumDevs));
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// Initializing the memory
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for (uint32_t k = 0; k < (MEM_SIZE/sizeof(int)); ++k) {
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devPtr1[k] = A_CONST;
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devPtr2[k] = 0;
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}
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for (int i = 0; i < NumDevs; ++i) {
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HIP_CHECK(hipSetDevice(i));
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HIP_CHECK(hipStreamCreate(&strm));
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HIP_CHECK(hipMemPrefetchAsync(devPtr1, MEM_SIZE, i, strm));
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HIP_CHECK(hipStreamSynchronize(strm));
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MemPrftchAsyncKernel<<<32, (MEM_SIZE/sizeof(int)/32)>>>(devPtr2, devPtr1,
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MEM_SIZE/sizeof(int));
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for (uint32_t m = 0; m < (MEM_SIZE/sizeof(int)); ++m) {
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if (devPtr1[m] != (A_CONST * A_CONST)) {
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flag = 1;
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}
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}
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HIP_CHECK(hipStreamDestroy(strm));
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if (!flag) {
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INFO("Test failed for device: " << i);
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IfTestPassed = false;
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flag = 0;
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}
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}
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// The memory will be prefetched from last gpu in the system to the host
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// memory and kernel is launched followed by result verification.
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HIP_CHECK(hipStreamCreate(&strm));
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HIP_CHECK(hipMemPrefetchAsync(devPtr1, MEM_SIZE, hipCpuDeviceId, strm));
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HIP_CHECK(hipStreamSynchronize(strm));
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MemPrftchAsyncKernel<<<32, (MEM_SIZE/sizeof(int)/32)>>>(devPtr2, devPtr1,
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MEM_SIZE/sizeof(int));
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for (uint32_t m = 0; m < (MEM_SIZE/sizeof(int)); ++m) {
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if (devPtr1[m] != (A_CONST * A_CONST)) {
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flag = 1;
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}
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}
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HIP_CHECK(hipStreamDestroy(strm));
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if (!flag) {
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INFO("Failed to prefetch the memory to System space.\n");
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IfTestPassed = false;
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flag = 0;
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}
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HIP_CHECK(hipFree(devPtr1));
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HIP_CHECK(hipFree(devPtr2));
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REQUIRE(IfTestPassed);
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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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