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comparison src/parallel_execution/examples/twice/CUDAtwice.cu @ 411:0eba9a04633f

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Work CUDAtwice
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Thu, 14 Sep 2017 18:26:52 +0900
parents 85b0ddbf458e
children 49159fbdd1fb
comparison
equal deleted inserted replaced
410:85b0ddbf458e 411:0eba9a04633f
1 extern "C" { 1 extern "C" {
2 2
3 #include <stdio.h> 3 #include <stdio.h>
4 __global__ void twice(int* array) { 4 __global__ void twice(int* array, int* prefixPtr) {
5 printf("array %p",array); 5 int i = 0;
6 array[blockIdx.x] = array[blockIdx.x]*2; 6 int prefix = *prefixPtr;
7 C_twice:
8 if (i < prefix) {
9 array[i+blockIdx.x*prefix] = array[i+blockIdx.x*prefix]*2;
10 i++;
11 goto C_twice;
12 }
7 } 13 }
8 } 14 }