[petsc-users] Error - Out of memory. This could be due to allocating too large an object or bleeding by not properly ...

Matthew Knepley knepley at gmail.com
Tue Feb 23 20:28:09 CST 2016

On Tue, Feb 23, 2016 at 7:50 PM, TAY wee-beng <zonexo at gmail.com> wrote:

> Hi,
> I got this error (also attached, full) when running my code. It happens
> after a few thousand time steps.
> The strange thing is that for 2 different clusters, it stops at 2
> different time steps.
> I wonder if it's related to DM since this happens after I added DM into my
> code.
> In this case, how can I find out the error? I'm thinking valgrind may take
> very long and gives too many false errors.

It is very easy to find leaks. You just run a few steps with -malloc_dump
and see what is left over.


> --
> Thank you
> Yours sincerely,
> TAY wee-beng

What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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