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comparison src/parallel_execution/examples/twice/CUDAtwice.cu @ 438:7679093bdd72

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Work CUDAtwice
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Mon, 06 Nov 2017 00:11:43 +0900
parents 764c92c3b181
children
comparison
equal deleted inserted replaced
437:2c1b1d56bf1e 438:7679093bdd72
1 extern "C" { 1 extern "C" {
2 __global__ void twice(int* array, int* prefixPtr) { 2 struct Array {
3 int prefix;
4 int* array;
5 } Array;
6
7 __global__ void twice(int* array, struct Array* inputArray) {
3 int i = 0; 8 int i = 0;
4 int prefix = *prefixPtr; 9 int prefix = inputArray->prefix;
5 C_twice: 10 C_twice:
6 if (i < prefix) { 11 if (i < prefix) {
7 array[i+(blockIdx.x*blockDim.x+threadIdx.x)*prefix] = array[i+(blockIdx.x*blockDim.x+threadIdx.x)*prefix]*2; 12 array[i+(blockIdx.x*blockDim.x+threadIdx.x)*prefix] = array[i+(blockIdx.x*blockDim.x+threadIdx.x)*prefix]*2;
8 i++; 13 i++;
9 goto C_twice; 14 goto C_twice;