Developer Reference for Intel® oneAPI Math Kernel Library for Fortran
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Visible to Intel only — GUID: GUID-C4C19D4E-AF8D-4B7F-B8B1-F8279E93348F
Visible to Intel only — GUID: GUID-C4C19D4E-AF8D-4B7F-B8B1-F8279E93348F
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 (scope='R'), column ('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.