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<TITLE>MPI_Wtime</TITLE>
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MPI_Wtime
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Returns an elapsed time on the calling processor
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Synopsis
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double MPI_Wtime(void)
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Return value
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Time in seconds since an arbitrary time in the past.
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Notes
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This is intended to be a high-resolution, elapsed (or wall) clock.
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See <tt>MPI_WTICK</tt> to determine the resolution of <tt>MPI_WTIME</tt>.
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If the attribute <tt>MPI_WTIME_IS_GLOBAL</tt> is defined and true, then the
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value is synchronized across all processes in <tt>MPI_COMM_WORLD</tt>.
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Notes for Fortran
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This is a function, declared as <tt>DOUBLE PRECISION MPI_WTIME()</tt> in Fortran.
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See Also
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also: MPI_Wtick, MPI_Comm_get_attr, MPI_Attr_get
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