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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/Sys/PetscFinalize.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscFinalize"><H1>PetscFinalize</H1></A>
Checks for options to be called at the conclusion of the program. MPI_Finalize() is called only if the user had not called MPI_Init() before calling <A HREF="../Sys/PetscInitialize.html#PetscInitialize">PetscInitialize</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Sys/PetscFinalize.html#PetscFinalize">PetscFinalize</A>(void)
</PRE>
Collective on <A HREF="../Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD">PETSC_COMM_WORLD</A>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-options_view </B></TD><TD>- Calls <A HREF="../Sys/PetscOptionsView.html#PetscOptionsView">PetscOptionsView</A>()
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-options_left </B></TD><TD>- Prints unused options that remain in the database
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-objects_dump [all] </B></TD><TD>- Prints list of objects allocated by the user that have not been freed, the option all cause all outstanding objects to be listed
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mpidump </B></TD><TD>- Calls <A HREF="../Sys/PetscMPIDump.html#PetscMPIDump">PetscMPIDump</A>()
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-malloc_dump <optional filename> </B></TD><TD>- Calls <A HREF="../Sys/PetscMallocDump.html#PetscMallocDump">PetscMallocDump</A>(), displays all memory allocated that has not been freed
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-malloc_info </B></TD><TD>- Prints total memory usage
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-malloc_view <optional filename> </B></TD><TD>- Prints list of all memory allocated and where
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
See <A HREF="../Sys/PetscInitialize.html#PetscInitialize">PetscInitialize</A>() for more general runtime options.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscInitialize.html#PetscInitialize">PetscInitialize</A>(), <A HREF="../Sys/PetscOptionsView.html#PetscOptionsView">PetscOptionsView</A>(), <A HREF="../Sys/PetscMallocDump.html#PetscMallocDump">PetscMallocDump</A>(), <A HREF="../Sys/PetscMPIDump.html#PetscMPIDump">PetscMPIDump</A>(), <A HREF="../Sys/PetscEnd.html#PetscEnd">PetscEnd</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/objects/pinit.c.html#PetscFinalize">src/sys/objects/pinit.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sys/classes/viewer/tutorials/ex1.c.html">src/sys/classes/viewer/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/sys/classes/viewer/tutorials/ex2.c.html">src/sys/classes/viewer/tutorials/ex2.c.html</A><BR>
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<A HREF="../../../src/sys/classes/random/tutorials/ex1.c.html">src/sys/classes/random/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/sys/classes/random/tutorials/ex2.c.html">src/sys/classes/random/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/sys/logging/tutorials/ex1f.F90.html">src/sys/logging/tutorials/ex1f.F90.html</A><BR>
<A HREF="../../../src/sys/tutorials/ex1.c.html">src/sys/tutorials/ex1.c.html</A><BR>
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<A HREF="../../../src/sys/tutorials/ex4.c.html">src/sys/tutorials/ex4.c.html</A><BR>
<A HREF="../../../src/sys/tutorials/ex5.c.html">src/sys/tutorials/ex5.c.html</A><BR>
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