Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-v-1.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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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; int vectorsize; #pragma acc parallel vector_length(32) copy(ondev) copyout(vectorsize) { #pragma acc loop 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; } vectorsize = __builtin_goacc_parlevel_size (GOMP_DIM_VECTOR); } for (ix = 0; ix < N; ix++) { int val = ix; if (ondev) { int g = 0; int w = 0; int v = ix % vectorsize; val = (g << 16) | (w << 8) | v; } h += val; } if (t != h) { printf ("t=%x expected %x\n", t, h); return 1; } return 0; }