/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of NVIDIA CORPORATION nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // includes, kernels #include "sharedmem.cuh" //////////////////////////////////////////////////////////////////////////////// //! Simple test kernel for device functionality //! @param g_idata input data in global memory //! @param g_odata output data in global memory //////////////////////////////////////////////////////////////////////////////// template __device__ void testKernel(T *g_idata, T *g_odata) { // Shared mem size is determined by the host app at run time SharedMemory smem; T *sdata = smem.getPointer(); // access thread id const unsigned int tid = threadIdx.x; // access number of threads in this block const unsigned int num_threads = blockDim.x; // read in input data from global memory sdata[tid] = g_idata[tid]; __syncthreads(); // perform some computations sdata[tid] = (T)num_threads * sdata[tid]; __syncthreads(); // write data to global memory g_odata[tid] = sdata[tid]; } extern "C" __global__ void testFloat(float *p1, float *p2) { testKernel(p1, p2); } extern "C" __global__ void testInt(int *p1, int *p2) { testKernel(p1, p2); }