[petsc-users] output parallel matrix

Barry Smith bsmith at mcs.anl.gov
Thu May 31 13:31:00 CDT 2012

On May 31, 2012, at 1:29 PM, recrusader wrote:

> Dear PETSc developers,
> I am trying to output a parallel matrix using MatView in ASCII format. To my understanding, PETSc will first get this matrix at one processor and output it.
> In my case, it is out of memory. I am wondering whether there is any method to output this matrix.
> Thanks a lot.
> Yujie

    You can never use ASCII output for a large matrix. Can you use the PETSc binary output?


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