diff --git a/tests/src/runtimeApi/module/hipLaunchMultiKernelMultiDevice.cpp b/tests/src/runtimeApi/module/hipLaunchMultiKernelMultiDevice.cpp new file mode 100644 index 0000000000..1c8da2e385 --- /dev/null +++ b/tests/src/runtimeApi/module/hipLaunchMultiKernelMultiDevice.cpp @@ -0,0 +1,140 @@ +/* +Copyright (c) 2019 - present Advanced Micro Devices, Inc. All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ +// Simple test for hipExtLaunchMultiKernelMultiDevice API. It can be tested on +// single GPU or multi GPUs. + +/* HIT_START + * BUILD: %t %s ../../test_common.cpp EXCLUDE_HIP_PLATFORM nvcc + * TEST: %t + * HIT_END + */ + +#include "hip/hip_runtime.h" +#include "test_common.h" +#include + +#define MAX_GPUS 8 +/* + * Square each element in the array A and write to array C. + */ +#define NUM_KERNEL_ARGS 3 +__global__ void +vector_square(float *C_d, float *A_d, size_t N) +{ + size_t offset = (blockIdx.x * blockDim.x + threadIdx.x); + size_t stride = blockDim.x * gridDim.x ; + + for (size_t i = offset; i < N; i += stride) { + C_d[i] = A_d[i] * A_d[i]; + } +} + +int main(int argc, char *argv[]) +{ + float *A_d[MAX_GPUS], *C_d[MAX_GPUS]; + float *A_h, *C_h; + size_t N = 1000000; + size_t Nbytes = N * sizeof(float); + + int nGpu = 0; + HIPCHECK(hipGetDeviceCount(&nGpu)); + if (nGpu < 1) { + printf ("info: didn't find any GPU!\n"); + return 0; + } + if (nGpu > MAX_GPUS) { + nGpu = MAX_GPUS; + } + + printf ("info: allocate host mem (%6.2f MB)\n", 2*Nbytes/1024.0/1024.0); + A_h = (float*)malloc(Nbytes); + HIPCHECK(A_h == 0 ? hipErrorMemoryAllocation : hipSuccess ); + C_h = (float*)malloc(Nbytes); + HIPCHECK(C_h == 0 ? hipErrorMemoryAllocation : hipSuccess ); + // Fill with Phi + i + for (size_t i = 0; i < N; i++) + { + A_h[i] = 1.618f + i; + } + + const unsigned blocks = 512; + const unsigned threadsPerBlock = 256; + + hipStream_t stream[MAX_GPUS]; + for (int i = 0; i < nGpu; i++) { + HIPCHECK(hipSetDevice(i)); + HIPCHECK(hipStreamCreateWithFlags(&stream[i], hipStreamNonBlocking)); + + hipDeviceProp_t props; + HIPCHECK(hipGetDeviceProperties(&props, i/*deviceID*/)); + printf ("info: running on bus 0x%2x %s\n", props.pciBusID, props.name); + + printf ("info: allocate device mem (%6.2f MB)\n", 2*Nbytes/1024.0/1024.0); + HIPCHECK(hipMalloc(&A_d[i], Nbytes)); + HIPCHECK(hipMalloc(&C_d[i], Nbytes)); + + + printf ("info: copy Host2Device\n"); + HIPCHECK ( hipMemcpy(A_d[i], A_h, Nbytes, hipMemcpyHostToDevice)); + } + + hipLaunchParams *launchParamsList = reinterpret_cast( + malloc(sizeof(hipLaunchParams)*nGpu)); + + void *args[MAX_GPUS * NUM_KERNEL_ARGS]; + + for (int i = 0; i < nGpu; i++) { + args[i * NUM_KERNEL_ARGS] = &C_d[i]; + args[i * NUM_KERNEL_ARGS + 1] = &A_d[i]; + args[i * NUM_KERNEL_ARGS + 2] = &N; + launchParamsList[i].func = + reinterpret_cast(vector_square); + launchParamsList[i].gridDim = dim3(blocks); + launchParamsList[i].blockDim = dim3(threadsPerBlock); + launchParamsList[i].sharedMem = 0; + launchParamsList[i].stream = stream[i]; + launchParamsList[i].args = args + i * NUM_KERNEL_ARGS; + } + + printf ("info: launch vector_square kernel with hipExtLaunchMultiKernelMultiDevice API\n"); + hipExtLaunchMultiKernelMultiDevice(launchParamsList, nGpu, 0); + + for (int j = 0; j < nGpu; j++) { + hipStreamSynchronize(stream[j]); + + hipDeviceProp_t props; + HIPCHECK(hipGetDeviceProperties(&props, j/*deviceID*/)); + printf ("info: checking result on bus 0x%2x %s\n", props.pciBusID, props.name); + + printf ("info: copy Device2Host\n"); + HIPCHECK( hipMemcpy(C_h, C_d[j], Nbytes, hipMemcpyDeviceToHost)); + + printf ("info: check result\n"); + for (size_t i = 0; i < N; i++) { + if (C_h[i] != A_h[i] * A_h[i]) { + HIPCHECK(hipErrorUnknown); + } + } + } + + printf ("PASSED!\n"); +}