systems-assistant[bot]
7105a89a51
git-subtree-dir: projects/hip-tests git-subtree-mainline:cc7a96c46fgit-subtree-split:5ce508401e
127 lines
3.9 KiB
C++
127 lines
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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