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Re: how to use PetscMap?



No, in 2.3.2 PetscMap no longer exists.

  Matt

On 11/2/06, Yixun Liu <yxliu@xxxxxxxxxxxx> wrote:


Hi,

I reveive the error as,

[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation,
probably memory access out of range
[0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger
[0]PETSC ERROR: or see
http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#Signal[0]PETSC
ERROR: or try http://valgrind.org on linux or man libgmalloc on Apple to
find memory corruption errors
[0]PETSC ERROR: likely location of problem given in stack below
[0]PETSC ERROR: ---------------------  Stack Frames
------------------------------------
[0]PETSC ERROR: Note: The EXACT line numbers in the stack are not available,
[0]PETSC ERROR:       INSTEAD the line number of the start of the function
[0]PETSC ERROR:       is given.
[0]PETSC ERROR: [0] PetscMapInitialize line 41
src/vec/vec/impls/mpi/d:\MyVC\PETSC-~1.2-P\src\vec\vec\impls\mpi\pmap.c
[0]PETSC ERROR: --------------------- Error Message
------------------------------------
[0]PETSC ERROR: Signal received!
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Release Version 2.3.2, Patch 3, Fri Sep 29 17:09:34
CDT 2006 HG revision:
9215af156a9cbcdc1ec666e2b5c7934688ddc526
[0]PETSC ERROR: See docs/changes/index.html for recent updates.
[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
[0]PETSC ERROR: See docs/index.html for manual pages.
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Unknown Name on a cygwin-cx named DMRC-6700512 by DMRC-user
Thu Nov 02 16:22:47 2006
[0]PETSC ERROR: Libraries linked from
/cygdrive/D/MyVC/petsc-2.3.2-p3/lib/cygwin-cxx-debug
[0]PETSC ERROR: Configure run at Wed Nov  1 10:08:10 2006
[0]PETSC ERROR: Configure options
--with-mpi-dir=/cygdrive/d/MPICH2 --with-cc="win32fe cl"
--with-fc=0 --with-cxx="win32fe cl" --with-clanguage=cxx
--with-blas-lapack-dir=/cygdrive/D/MyVC/petsc-2.3.2-p3/externalpackages/w_mkl_serial_p_8.1.001/mkl_serial_8.1/mkl_8.1_serial/ia32/lib
COPTFLAGS="-MD -Z7" CXXOPTFLAGS="-MD -Z7" --useThreads=0 --with-shared=0
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: User provided function() line 0 in unknown directory unknown
file
unable to read the cmd header on the pmi context, Undefined dynamic error
code.

job aborted:
rank: node: exit code[: error message]
0: dmrc-6700512: 59: application called MPI_Abort(MPI_COMM_WORLD, 59) -
process 0

I think this error maybe caused by these codes,

 PetscMap *map;
 ierr = PetscMapInitialize(PETSC_COMM_WORLD, map);
 CHKERRQ(ierr);
 ierr = PetscMapSetSize (map, n);
 ierr = PetscMapGetLocalRange(map,&Istart,&Iend);
CHKERRQ(ierr);

Is it correct to use the PetscMap like this?

Best,

Yixun






--
"Failure has a thousand explanations. Success doesn't need one" -- Sir
Alec Guiness