Jatin Chaudhary
5e766685c8
The test checks the pattern of thing "A" should be always faster than thing "B". Which might not be the case for several reasons and will result in unreliable, randomly failing test. Change-Id: I6fa9e2c110f9ef48ef63a720e7a64c54e7f2a72f
127 строки
3.9 KiB
C++
127 строки
3.9 KiB
C++
/*
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Copyright (c) 2020 - 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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#include <hip/hip_cooperative_groups.h>
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namespace cg = cooperative_groups;
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static constexpr size_t kBufferLen = 1024 * 1024;
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__global__ void test_gws(int* buf, size_t buf_size, long* tmp_buf, long* result) {
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extern __shared__ long tmp[];
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uint offset = blockIdx.x * blockDim.x + threadIdx.x;
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uint stride = gridDim.x * blockDim.x;
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cg::grid_group gg = cg::this_grid();
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long sum = 0;
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for (uint i = offset; i < buf_size; i += stride) {
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sum += buf[i];
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}
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tmp[threadIdx.x] = sum;
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__syncthreads();
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if (threadIdx.x == 0) {
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sum = 0;
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for (uint i = 0; i < blockDim.x; i++) {
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sum += tmp[i];
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}
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tmp_buf[blockIdx.x] = sum;
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}
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gg.sync();
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if (offset == 0) {
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for (uint i = 1; i < gridDim.x; ++i) {
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sum += tmp_buf[i];
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}
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*result = sum;
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}
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}
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TEST_CASE("Unit_hipLaunchCooperativeKernel_Basic") {
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// Use default device for validating the test
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int device;
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int *A_h, *A_d;
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long* B_d;
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long* C_d;
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hipDeviceProp_t device_properties;
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HIP_CHECK(hipGetDevice(&device));
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HIP_CHECK(hipGetDeviceProperties(&device_properties, device));
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if (!device_properties.cooperativeLaunch) {
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HipTest::HIP_SKIP_TEST("Device doesn't support cooperative launch!");
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return;
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}
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size_t buffer_size = kBufferLen * sizeof(int);
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A_h = reinterpret_cast<int*>(malloc(buffer_size));
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for (uint32_t i = 0; i < kBufferLen; ++i) {
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A_h[i] = static_cast<int>(i);
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}
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HIP_CHECK(hipMalloc(&A_d, buffer_size));
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HIP_CHECK(hipMemcpy(A_d, A_h, buffer_size, hipMemcpyHostToDevice));
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HIP_CHECK(hipHostMalloc(&C_d, sizeof(long)));
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hipStream_t stream;
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HIPCHECK(hipStreamCreate(&stream));
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dim3 dimBlock = dim3(1);
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dim3 dimGrid = dim3(1);
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int numBlocks = 0;
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uint32_t workgroup = GENERATE(32, 64, 128, 256);
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dimBlock.x = workgroup;
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// Calculate the device occupancy to know how many blocks can be run concurrently
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HIP_CHECK(hipOccupancyMaxActiveBlocksPerMultiprocessor(
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&numBlocks, test_gws, dimBlock.x * dimBlock.y * dimBlock.z, dimBlock.x * sizeof(long)));
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dimGrid.x = device_properties.multiProcessorCount * std::min(numBlocks, 32);
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HIP_CHECK(hipMalloc(&B_d, dimGrid.x * sizeof(long)));
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void* params[4];
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params[0] = (void*)&A_d;
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params[1] = (void*)&kBufferLen;
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params[2] = (void*)&B_d;
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params[3] = (void*)&C_d;
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INFO("Testing with grid size = " << dimGrid.x << " and block size = " << dimBlock.x << "\n");
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HIP_CHECK(hipLaunchCooperativeKernel(reinterpret_cast<void*>(test_gws), dimGrid, dimBlock, params,
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dimBlock.x * sizeof(long), stream));
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HIP_CHECK(hipStreamSynchronize(stream));
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REQUIRE(((unsigned long long)*C_d) ==
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(((unsigned long long)(kBufferLen) * (kBufferLen - 1)) / 2));
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HIP_CHECK(hipStreamDestroy(stream));
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HIP_CHECK(hipHostFree(C_d));
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HIP_CHECK(hipFree(B_d));
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HIP_CHECK(hipFree(A_d));
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free(A_h);
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}
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