[petsc-users] matload big matrix

[Jed Brown]

How long is it taking? What file system are you reading the matrix from?

You can attach a debugger and see where it's "stuck".

On Sat, Jun 2, 2012 at 10:47 AM, Wen Jiang <jiangwen84 at gmail.com> wrote:

> Hi,
>
> I am trying to load a big matrix(size 552147 by 552147) from a binary
> file(around 2GB). But I found my code seems to get stuck at the loading
> stage. I copied the last a few info output below
>
> [0] PetscCommDuplicate(): Using internal PETSc communicator 1140850688
> -2080374780
> [0] PetscFileRetrieve(): Found file l2projphim.dat
> [0] PetscFileRetrieve(): Found file l2projphim.dat.info
> [0] PetscOptionsInsertFile(): Opened options file l2projphim.dat.info
>
> Do you have any suggestions? Thanks.
>
> Regards,
> Wen
>
>
>
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