User and Reference Guide

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VT_timestart

double VT_timestart (void)
Description
Writes instrumentation code that works with MPI and non-MPI applications
Fortran
DOUBLE PRECISION VTTIMESTART()
Return values
Returns point in time in seconds when process started, or
VT_ERR_NOTINITIALIZED
.

Product and Performance Information

1

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