1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscBarrier.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>PetscBarrier</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<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/PetscBarrier.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscBarrier"><H1>PetscBarrier</H1></A>
Blocks until this routine is executed by all processors owning the object obj.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Sys/PetscBarrier.html#PetscBarrier">PetscBarrier</A>(<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A> obj)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>obj </B></TD><TD>- PETSc object (<A HREF="../Mat/Mat.html#Mat">Mat</A>, <A HREF="../Vec/Vec.html#Vec">Vec</A>, <A HREF="../IS/IS.html#IS">IS</A>, <A HREF="../SNES/SNES.html#SNES">SNES</A> etc...)
The object be caste with a (<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A>). NULL can be used to indicate the barrier should be across MPI_COMM_WORLD
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This routine calls MPI_Barrier with the communicator of the PETSc Object obj
<P>
<H3><FONT COLOR="#CC3333">Fortran Usage</FONT></H3>
You may pass PETSC_NULL_VEC or any other PETSc null object, such as PETSC_NULL_MAT, to indicate the barrier should be
across MPI_COMM_WORLD. You can also pass in any PETSc object, <A HREF="../Vec/Vec.html#Vec">Vec</A>, <A HREF="../Mat/Mat.html#Mat">Mat</A>, etc
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/utils/pbarrier.c.html#PetscBarrier">src/sys/utils/pbarrier.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/vec/tutorials/performance.c.html">src/vec/vec/tutorials/performance.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex77.c.html">src/snes/tutorials/ex77.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/tutorials/elliptic.c.html">src/tao/pde_constrained/tutorials/elliptic.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/tutorials/parabolic.c.html">src/tao/pde_constrained/tutorials/parabolic.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/tutorials/hyperbolic.c.html">src/tao/pde_constrained/tutorials/hyperbolic.c.html</A><BR>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|
