Mercurial > hg > Papers > 2016 > kkb-master
annotate src/twice_cuda.cu @ 11:12d1c2f53258
revision
| author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 14 Feb 2016 07:02:11 +0900 |
| parents | |
| children |
| rev | line source |
|---|---|
| 11 | 1 __global__ void |
| 2 twice(int* input, int* output) | |
| 3 { | |
| 4 /** | |
| 5 * Get index(x, y, z) | |
| 6 * kernel built-in variables | |
| 7 * x : blockIdx.x * blockDim.x + threadIdx.x | |
| 8 * y : blockIdx.y * blockDim.y + threadIdx.y | |
| 9 * z : blockIdx.z * blockDim.z + threadIdx.z | |
| 10 */ | |
| 11 long i = blockIdx.x * blockDim.x + threadIdx.x; | |
| 12 | |
| 13 output[i] = input[i]*2; | |
| 14 | |
| 15 return 0; | |
| 16 } |