Paulius Velesko
65a428aaff
* test fixes
* address PR comment
* PR comment fixing Nvidia pass
* add additional kernel launch checks
* pr comments
[ROCm/hip-tests commit: da453211ed]
129 satır
5.1 KiB
C++
129 satır
5.1 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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#include <hip/hip_runtime.h>
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static __global__ void kernel_syncthreads_or(int* syncTestD, int* allThreadsZeroD,
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int* allThreadsOneD, int* oneThreadOneD,
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int* allThreadsMinusOneD) {
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int blockSize = blockDim.x;
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int predicate = 10;
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// First block index starts with 0, and second block index starts
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// with blockSize
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int i = (blockIdx.x == 0) ? threadIdx.x : blockSize + threadIdx.x;
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// At very first, we need to ensure work-group level syncronization
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// properly happened, don't bother about predicate testing for now.
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// Thread 0 and thread 1 writes to shared memory. After call to api,
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// every thread reads shared memory, and store subtraction for verification
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__shared__ int sm[2];
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if (threadIdx.x == 0)
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sm[0] = 10;
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else if (threadIdx.x == 1)
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sm[1] = 20;
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__syncthreads_or(predicate);
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syncTestD[i] = sm[1] - sm[0];
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// All threads pass 0 as predicate value, result should be 0
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predicate = 0;
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allThreadsZeroD[i] = __syncthreads_or(predicate);
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// All threads pass 1 as predicate value, result should be 1
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predicate = 1;
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allThreadsOneD[i] = __syncthreads_or(predicate);
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// Thread 0 pass 1, and all other threads 0 as predicate value,
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// result should be 1
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predicate = (threadIdx.x == 0) ? 1 : 0;
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oneThreadOneD[i] = __syncthreads_or(predicate);
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// All threads pass -1 as predicate value, result should be 1
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predicate = -1;
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allThreadsMinusOneD[i] = __syncthreads_or(predicate);
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}
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static void test_syncthreads_or(int blockSize) {
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int nBytes = sizeof(int) * 2 * blockSize;
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int *syncTestD, *syncTestH;
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int *allThreadsZeroD, *allThreadsZeroH;
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int *allThreadsOneD, *allThreadsOneH;
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int *oneThreadOneD, *oneThreadOneH;
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int *allThreadsMinusOneD, *allThreadsMinusOneH;
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// Allocate device memory
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HIP_CHECK(hipMalloc((void**)&syncTestD, nBytes));
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HIP_CHECK(hipMalloc((void**)&allThreadsZeroD, nBytes));
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HIP_CHECK(hipMalloc((void**)&allThreadsOneD, nBytes));
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HIP_CHECK(hipMalloc((void**)&oneThreadOneD, nBytes));
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HIP_CHECK(hipMalloc((void**)&allThreadsMinusOneD, nBytes));
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// Allocate host memory
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HIP_CHECK(hipHostMalloc((void**)&syncTestH, nBytes));
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HIP_CHECK(hipHostMalloc((void**)&allThreadsZeroH, nBytes));
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HIP_CHECK(hipHostMalloc((void**)&allThreadsOneH, nBytes));
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HIP_CHECK(hipHostMalloc((void**)&oneThreadOneH, nBytes));
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HIP_CHECK(hipHostMalloc((void**)&allThreadsMinusOneH, nBytes));
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// Launch Kernel
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hipLaunchKernelGGL(kernel_syncthreads_or, 2, blockSize, 0, 0, syncTestD, allThreadsZeroD,
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allThreadsOneD, oneThreadOneD, allThreadsMinusOneD);
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HIP_CHECK(hipGetLastError());
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// Copy result from device to host
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HIP_CHECK(hipMemcpy(syncTestH, syncTestD, nBytes, hipMemcpyDeviceToHost));
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HIP_CHECK(hipMemcpy(allThreadsZeroH, allThreadsZeroD, nBytes, hipMemcpyDeviceToHost));
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HIP_CHECK(hipMemcpy(allThreadsOneH, allThreadsOneD, nBytes, hipMemcpyDeviceToHost));
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HIP_CHECK(hipMemcpy(oneThreadOneH, oneThreadOneD, nBytes, hipMemcpyDeviceToHost));
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HIP_CHECK(hipMemcpy(allThreadsMinusOneH, allThreadsMinusOneD, nBytes, hipMemcpyDeviceToHost));
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// Validate results for both blocks together
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for (int i = 0; i < 2 * blockSize; ++i) {
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REQUIRE(syncTestH[i] == 10);
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REQUIRE(allThreadsZeroH[i] == 0);
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REQUIRE(allThreadsOneH[i] == 1);
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REQUIRE(oneThreadOneH[i] == 1);
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REQUIRE(allThreadsMinusOneH[i] == 1);
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}
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// Free device memory
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HIP_CHECK(hipFree(syncTestD));
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HIP_CHECK(hipFree(allThreadsZeroD));
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HIP_CHECK(hipFree(allThreadsOneD));
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HIP_CHECK(hipFree(oneThreadOneD));
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HIP_CHECK(hipFree(allThreadsMinusOneD));
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// Free host memory
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HIP_CHECK(hipHostFree(syncTestH));
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HIP_CHECK(hipHostFree(allThreadsZeroH));
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HIP_CHECK(hipHostFree(allThreadsOneH));
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HIP_CHECK(hipHostFree(oneThreadOneH));
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HIP_CHECK(hipHostFree(allThreadsMinusOneH));
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}
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TEST_CASE("Unit_syncthreads_or") {
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int blockSizes[] = {10, 40, 70, 130, 240, 723, 32, 64, 128, 256, 512, 1024};
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for (unsigned long i = 0; i < (sizeof(blockSizes) / sizeof(blockSizes[0])); ++i)
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test_syncthreads_or(blockSizes[i]);
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}
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