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.

In This Topic

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.