blacs_barrier
blacs_barrier
Holds up execution of all processes within the indicated scope.
Syntax
call blacs_barrier
(
icontxt
,
scope
)
Input Parameters
- icontxt
- INTEGER. Integer handle that indicates the context.
- scope
- CHARACTER*1. Parameter that indicates whether a process row (), column (scope='R''C'), or entire grid ('A') will participate in the barrier.
Description
This routine holds up execution of all processes within the indicated scope until they have all called the routine.