[petsc-dev] PetscHashIJ scaling problem?

[Jed Brown]

Matthew Knepley <knepley at gmail.com> writes:
> I rewrote insertion for DMLabel to use the hash table, and convert to flat
> arrays after insertion. Now its all linear:

Nice.  Did you check how many hash operations per second this works out
to?  Is this still the leading setup cost?
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