[petsc-dev] use of hash table vs array in various places in PETSc

[Jed Brown]

On Mon, Sep 19, 2011 at 07:57, Aron Ahmadia <aron.ahmadia at kaust.edu.sa>wrote:

> Jed, do you mind posting a quick summary of what's going on here?  I am
> guessing there have been some offline discussions/results regarding this
> conversation.
>

I'm just going off the other petsc-dev thread "MatGetSubMatrices taking a
long time".
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