[petsc-users] MatCopy and MatSetValue consume most 99 percentage of runtime

[Jed Brown]

On Wed, Apr 20, 2011 at 13:46, Vijay S. Mahadevan <vijay.m at gmail.com> wrote:

> Thanks for the clarification Jed. But zeroing more entries than necessary
> would still trigger malloc calls. Would it not ?


It won't zero more than you allocated but it might zero more than you will
actually insert. It doesn't matter.
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