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71 lines
2.6 KiB
Plaintext
71 lines
2.6 KiB
Plaintext
/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// includes, kernels
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#include "sharedmem.cuh"
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////////////////////////////////////////////////////////////////////////////////
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//! Simple test kernel for device functionality
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//! @param g_idata input data in global memory
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//! @param g_odata output data in global memory
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////////////////////////////////////////////////////////////////////////////////
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template <class T>
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__device__ void testKernel(T *g_idata, T *g_odata) {
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// Shared mem size is determined by the host app at run time
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SharedMemory<T> smem;
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T *sdata = smem.getPointer();
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// access thread id
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const unsigned int tid = threadIdx.x;
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// access number of threads in this block
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const unsigned int num_threads = blockDim.x;
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// read in input data from global memory
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sdata[tid] = g_idata[tid];
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__syncthreads();
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// perform some computations
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sdata[tid] = (T)num_threads * sdata[tid];
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__syncthreads();
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// write data to global memory
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g_odata[tid] = sdata[tid];
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}
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extern "C" __global__ void testFloat(float *p1, float *p2) {
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testKernel<float>(p1, p2);
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}
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extern "C" __global__ void testInt(int *p1, int *p2) {
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testKernel<int>(p1, p2);
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}
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