Mercurial > hg > Papers > 2016 > kkb-master
view src/twice_cuda.cu @ 11:12d1c2f53258
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author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
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date | Sun, 14 Feb 2016 07:02:11 +0900 |
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__global__ void twice(int* input, int* output) { /** * Get index(x, y, z) * kernel built-in variables * x : blockIdx.x * blockDim.x + threadIdx.x * y : blockIdx.y * blockDim.y + threadIdx.y * z : blockIdx.z * blockDim.z + threadIdx.z */ long i = blockIdx.x * blockDim.x + threadIdx.x; output[i] = input[i]*2; return 0; }