Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.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 | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-additional-options "-w" } */ #include <stdlib.h> #include <openacc.h> #define N 10 int main () { int s1 = 0, s2 = 0; int i; int dummy = 0; #pragma acc data copy (dummy) { #pragma acc parallel num_gangs (N) reduction (+:s1) copy(s1) { s1++; } } if (acc_get_device_type () == acc_device_host) { if (s1 != 1) abort (); } else { if (s1 != N) abort (); } s1 = 0; s2 = 0; #pragma acc parallel num_gangs (10) reduction (+:s1, s2) copy(s1, s2) { s1++; s2 += N; } if (acc_get_device_type () == acc_device_host) { if (s1 != 1) abort (); if (s2 != N) abort (); } else { if (s1 != N) abort (); if (s2 != N*N) abort (); } s1 = 0; #pragma acc parallel num_gangs (10) reduction (+:s1) copy(s1) { #pragma acc loop gang reduction (+:s1) for (i = 0; i < 10; i++) s1++; } if (s1 != N) abort (); return 0; }