[petsc-users] [petsc-maint #107932] run a simple example ex19 in src/snes/examples/tutorials

[Jed Brown]

2012/3/15 Xiangze Zeng <zengshixiangze at 163.com>

> When i run my code today, it appears "out of memory" which not happened
> last time. The following is the error message:
>
> [0]PETSC ERROR: Out of memory. This could be due to allocating
> [0]PETSC ERROR: too large an object or bleeding by not properly
> [0]PETSC ERROR: destroying unneeded objects.
> [0]PETSC ERROR: Memory allocated 5659280320 Memory used by process
> 5719199744
> [0]PETSC ERROR: Try running with -malloc_dump or -malloc_log for info.
> [0]PETSC ERROR: Memory requested 18446744070677811200!
> [0]PETSC ERROR: ----------------------------------------
>


This is not the error message, this is PART OF the error message. Always
send the whole thing so that we don't have to exchange these emails to get
the rest of the interesting part of the message.

(There is memory corruption somewhere, but this message doesn't tell us
where to suggest you look.)


>
> It happens at the process of creating the matrices.
> Another problem, when I add -log_summary, there is no message about the
> performance appearing.
> What's wrong?
>

The run has to complete successfully to see -log_summary output.
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