simpleTemplates_kernel.cu

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// 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 <class T>
__device__ void testKernel(T *g_idata, T *g_odata) {
  // Shared mem size is determined by the host app at run time
  SharedMemory<T> 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<float>(p1, p2);
}

extern "C" __global__ void testInt(int *p1, int *p2) {
  testKernel<int>(p1, p2);
}