Ok - I'm almost done with that - I'll put up a patch soon...
Derek
On Mon, Jul 8, 2013 at 3:07 PM, Roy Stogner <royst...@ices.utexas.edu>wrote:
>
> On Mon, 8 Jul 2013, Derek Gaston wrote:
>
> It looks like you turned off all shape function caching in
>> fe_hermite_shape_*D.C back in November. Would you mind if I just
>> remove everything about caching there?
>>
>
> I ask because I went to go implement hermite caching for pthreads...
>> and then saw that it was disabled. I'd rather not implement caching
>> for pthreads and then disable it ;-)
>>
>
> Yeah, go for it. That caching gives a nice free win in performance
> 99.999...% of the time, but it gives *incorrect* results in corner
> cases with a very unlikely combination of AMR and element renumbering.
>
> Even disabling renumbering isn't a fix, and IIRC a real fix would have
> been complicated and intrusive, so we might as well excise the code
> that's there completely before someone naively reenables it.
> ---
> Roy
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