maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

D11988: Force serial reduction when team size is 1 

llvm-svn: 245209
This commit is contained in:
Andrey Churbanov 2015-08-17 10:12:12 +00:00
parent a39ef1c68f
commit ec23a95691
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
openmp/runtime/src/kmp_runtime.c
View File

@ -7641,7 +7641,9 @@ __kmp_determine_reduction_method( ident_t *loc, kmp_int32 global_tid,
// KMP_FORCE_REDUCTION
if( __kmp_force_reduction_method != reduction_method_not_defined ) {
// If the team is serialized (team_size == 1), ignore the forced reduction
// method and stay with the unsynchronized method (empty_reduce_block)
if( __kmp_force_reduction_method != reduction_method_not_defined && team_size != 1) {
PACKED_REDUCTION_METHOD_T forced_retval;
@ -7651,9 +7653,6 @@ __kmp_determine_reduction_method( ident_t *loc, kmp_int32 global_tid,
{
case critical_reduce_block:
KMP_ASSERT( lck ); // lck should be != 0
if( team_size <= 1 ) {
forced_retval = empty_reduce_block;
}
break;
case atomic_reduce_block: