[petsc-users] MatView for huge matrix output

[Satish Balay]

Perhaps you can build PETSc with the additional flag
'--with-large-file-io=1' and see if this helps..

Satish

On Tue, 29 Jun 2010, Yujie wrote:

> Dear PETSc developers,
> 
> I want to output an about 36K*36K dense matrix using MatView in binary
> format. I use RedHat Enterprise 5 64bits system. However, when the
> file size of output matrix reaches about 2.7G, the codes pause and
> don't response for a long time (almost 3 hours). Could you help me
> figure out what happened? Thanks a lot.
> 
> Regards,
> Yujie
>