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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PetscLogMPEBegin"><H1>PetscLogMPEBegin</H1></A>
Turns on MPE logging of events. This creates large log files and slows the program down.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscLogMPEBegin(void)
</PRE>
Collective over <A HREF="../Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD">PETSC_COMM_WORLD</A>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<DT><B>-log_mpe </B> -Prints extensive log information (for code compiled with PETSC_USE_LOG)
<br>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
A related routine is <A HREF="../Profiling/PetscLogBegin.html#PetscLogBegin">PetscLogBegin</A>() (with the options key -log_summary), which is
intended for production runs since it logs only flop rates and object
creation (and should not significantly slow the programs).
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Profiling/PetscLogDump.html#PetscLogDump">PetscLogDump</A>(), <A HREF="../Profiling/PetscLogBegin.html#PetscLogBegin">PetscLogBegin</A>(), <A HREF="../Profiling/PetscLogAllBegin.html#PetscLogAllBegin">PetscLogAllBegin</A>(), <A HREF="../Profiling/PetscLogEventActivate.html#PetscLogEventActivate">PetscLogEventActivate</A>(),
<BR><A HREF="../Profiling/PetscLogEventDeactivate.html#PetscLogEventDeactivate">PetscLogEventDeactivate</A>()
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/logging/plog.c.html#PetscLogMPEBegin">src/sys/logging/plog.c</A>
<BR><A HREF="./index.html">Index of all Profiling routines</A>
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