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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Sys/PetscMemoryGetMaximumUsage.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscMemoryGetMaximumUsage"><H1>PetscMemoryGetMaximumUsage</H1></A>
Returns the maximum resident set size (memory used) for the program.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscMemoryGetMaximumUsage(PetscLogDouble *mem)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>mem </B> -memory usage in bytes
<br>
<P>
<H3><FONT COLOR="#CC3333">Options Database Key</FONT></H3>
<DT><B>-memory_view </B> -Print memory usage at end of run
<br>
<DT><B>-malloc_log </B> -Activate logging of memory usage
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The memory usage reported here includes all Fortran arrays
(that may be used in application-defined sections of code).
This routine thus provides a more complete picture of memory
usage than <A HREF="../Sys/PetscMallocGetCurrentUsage.html#PetscMallocGetCurrentUsage">PetscMallocGetCurrentUsage</A>() for codes that employ Fortran with
hardwired arrays.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscMallocGetMaximumUsage.html#PetscMallocGetMaximumUsage">PetscMallocGetMaximumUsage</A>(), <A HREF="../Sys/PetscMemoryGetCurrentUsage.html#PetscMemoryGetCurrentUsage">PetscMemoryGetCurrentUsage</A>(), <A HREF="../Sys/PetscMallocGetCurrentUsage.html#PetscMallocGetCurrentUsage">PetscMallocGetCurrentUsage</A>(),
<BR><A HREF="../Sys/PetscMemorySetGetMaximumUsage.html#PetscMemorySetGetMaximumUsage">PetscMemorySetGetMaximumUsage</A>()
<P>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/memory/mem.c.html#PetscMemoryGetMaximumUsage">src/sys/memory/mem.c</A>
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