Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-gwv-1.c @ 138:fc828634a951
merge
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Thu, 08 Nov 2018 14:17:14 +0900 |
parents | 84e7813d76e9 |
children | 1830386684a0 |
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#include <stdio.h> #include <openacc.h> #include <gomp-constants.h> #define N (32*32*32+17) int main () { int ix; int ondev = 0; int t = 0, h = 0; #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) copy(ondev) { #pragma acc loop gang worker vector reduction(+:t) for (unsigned ix = 0; ix < N; ix++) { int val = ix; if (acc_on_device (acc_device_not_host)) { int g, w, v; g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG); w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER); v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR); val = (g << 16) | (w << 8) | v; ondev = 1; } t += val; } } for (ix = 0; ix < N; ix++) { int val = ix; if(ondev) { int chunk_size = (N + 32*32*32 - 1) / (32*32*32); int g = ix / (chunk_size * 32 * 32); int w = ix / 32 % 32; int v = ix % 32; val = (g << 16) | (w << 8) | v; } h += val; } if (t != h) { printf ("t=%x expected %x\n", t, h); return 1; } return 0; }