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MPI_Wtick: may return a higher resolution than 10e-6 these days #3091

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Mar 6, 2017
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MPI_Wtick: may return a higher resolution than 10e-6 these days #3091

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4 changes: 1 addition & 3 deletions ompi/mpi/man/man3/MPI_Wtick.3in
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
.\" -*- nroff -*-
.\" Copyright 2006-2008 Sun Microsystems, Inc.
.\" Copyright (c) 1996 Thinking Machines Corporation
.\" Copyright (c) 2017 Cisco Systems, Inc.
.\" $COPYRIGHT$
.TH MPI_Wtick 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.SH NAME
Expand Down Expand Up @@ -38,9 +39,6 @@ successive clock ticks. For example, if the clock is implemented by
the hardware as a counter that is incremented every millisecond, the
value returned by MPI_Wtick should be 10^-3.
.PP
Note that on POSIX platforms, Open MPI should always return 10^-6 for
MPI_Wtick. The returned value may be different on Windows platforms.
.PP

.SH NOTE
This function does not return an error value. Consequently, the result
Expand Down