[petsc-users] Expecting Explanation

[Sanjay Govindjee]

Throws the proper error on my machine:

$ ~/petsc-3.10.1/intel/bin/mpirun -np 2 ex6
[0]PETSC ERROR: --------------------- Error Message 
--------------------------------------------------------------
[0]PETSC ERROR: This is a uniprocessor example only!

On 11/17/18 1:51 PM, Fazlul Huq via petsc-users wrote:
> Thanks for the answer.
>
> So, when I run the code with "mpiexec -n 2 ./ex6" or "mpiexec -n 4 
> ./ex6" shouldn't it spit out
> the error "This is a uniprocessor example only!"?
> But it didn't do that rather run the code 2/4 times.
>
> Thanks.
> Sincerely,
> Huq
>
> On Sat, Nov 17, 2018 at 1:12 PM Fazlul Huq <huq2090 at gmail.com 
> <mailto:huq2090 at gmail.com>> wrote:
>
>     Hello PETSc developers,
>
>     In example 6 or vec section I don't understand this line:
>     if (size != 1) SETERRQ(PETSC_COMM_SELF,1,"This is a uniprocessor
>     example only!");
>
>     I tried to run the code with "mpiexec -n 2 ./ex6" or "mpiexec -n 4
>     ./ex6" or even "mpiexec -n 1 ./ex6" it the code runs properly.
>
>     Thanks.
>
>     Sincerely,
>     Huq
>
>     -- 
>
>     Fazlul Huq
>     Graduate Research Assistant
>     Department of Nuclear, Plasma & Radiological Engineering (NPRE)
>     University of Illinois at Urbana-Champaign (UIUC)
>     E-mail: huq2090 at gmail.com <mailto:huq2090 at gmail.com>
>
>
>
> -- 
>
> Fazlul Huq
> Graduate Research Assistant
> Department of Nuclear, Plasma & Radiological Engineering (NPRE)
> University of Illinois at Urbana-Champaign (UIUC)
> E-mail: huq2090 at gmail.com <mailto:huq2090 at gmail.com>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20181117/faa199d5/attachment.html>