How long is it taking? What file system are you reading the matrix from?<div><br></div><div>You can attach a debugger and see where it's "stuck".<br><br><div class="gmail_quote">On Sat, Jun 2, 2012 at 10:47 AM, Wen Jiang <span dir="ltr"><<a href="mailto:jiangwen84@gmail.com" target="_blank">jiangwen84@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br><br>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 <br>
<br>[0] PetscCommDuplicate(): Using internal PETSc communicator 1140850688 -2080374780<br>
[0] PetscFileRetrieve(): Found file l2projphim.dat<br>[0] PetscFileRetrieve(): Found file <a href="http://l2projphim.dat.info" target="_blank">l2projphim.dat.info</a><br>[0] PetscOptionsInsertFile(): Opened options file <a href="http://l2projphim.dat.info" target="_blank">l2projphim.dat.info</a><br>
<br>Do you have any suggestions? Thanks.<br><br>Regards,<br>Wen<br><br><br>
</blockquote></div><br></div>