<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2008 (1.71) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>psb_wtime -- Wall clock timing</TITLE> <META NAME="description" CONTENT="psb_wtime -- Wall clock timing"> <META NAME="keywords" CONTENT="userhtml"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2008"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="userhtml.css"> <LINK REL="next" HREF="node101.html"> <LINK REL="previous" HREF="node99.html"> <LINK REL="up" HREF="node94.html"> <LINK REL="next" HREF="node101.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html1497" HREF="node101.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html1493" HREF="node94.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html1487" HREF="node99.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html1495" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html1498" HREF="node101.html">psb_barrier Sinchronization</A> <B> Up:</B> <A NAME="tex2html1494" HREF="node94.html">Parallel environment routines</A> <B> Previous:</B> <A NAME="tex2html1488" HREF="node99.html">psb_get_rank Get</A> <B> <A NAME="tex2html1496" HREF="node1.html">Contents</A></B> <BR> <BR> <!--End of Navigation Panel--> <H2><A NAME="SECTION00086000000000000000"> psb_wtime -- Wall clock timing</A> </H2> <P> <PRE> time = psb_wtime() </PRE> <P> This function returns a wall clock timer. The resolution of the timer is dependent on the underlying parallel environment implementation. <DL> <DT><STRONG>Type:</STRONG></DT> <DD>Asynchronous. </DD> <DT><STRONG><B>On Exit </B></STRONG></DT> <DD> </DD> <DT><STRONG>Function value</STRONG></DT> <DD>the elapsed time in seconds. <BR> Returned as: a <code>real(psb_dpk_)</code> variable. </DD> </DL> <P> <BR><HR> </BODY> </HTML>