[petsc-users] Partition in x direction is too fine error

[TAY wee-beng]

Hi,

I tried to run a case with dm and I got the error msg:


[0]PETSC ERROR: --------------------- Error Message 
--------------------------------------------------------------
[0]PETSC ERROR: Argument out of range
[0]PETSC ERROR: Partition in x direction is too fine! 3 4
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html 
for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.6.3, Dec, 03, 2015
[0]PETSC ERROR: ./a.out on a petsc-3.6.3_intel_rel named std0210 by 
tsltaywb Mon Apr  4 15:10:06 2016
[0]PETSC ERROR: Configure options 
--with-mpi-dir=/app/intel/compilers_and_libraries_2016.1.150/linux/mpi/intel64 
--with-blas-lapack-dir=/app/intel/compilers_and_libraries_2016.1.150/linux/mkl/lib/intel64 
--download-hypre=/home/nus/tsltaywb/source/hypre-2.10.0b-p2.tar.gz 
--with-debugging=0 
--prefix=//home/nus/tsltaywb/lib/petsc-3.6.3_intel_rel 
--with-shared-libraries=0 --known-mpi-shared-libraries=0 
--with-fortran-interfaces=1

My grid size is size_x,size_y,size_z          128 217         210

and I'm using 96 procs.

May I know what's wrong?

-- 
Thank you

Yours sincerely,

TAY wee-beng