[vtk-developers] [Patch] OpenFOAM reader performance issue when loading polyhedral meshes

[Dave Partyka]

This is applied. Thank you!

On Tue, Jul 13, 2010 at 9:01 AM, Dave Partyka <dave.partyka at kitware.com>wrote:

> Hi Takuya, I can take a look.
>
> On Tue, Jul 13, 2010 at 6:01 AM, Takuya OSHIMA <oshima at eng.niigata-u.ac.jp
> > wrote:
>
>> Hi,
>>
>> A recent change to vtkDataArrayTemplate::Resize() to produce an array
>> of exact requested size when the requested size was larger than the
>> current size (commit id c869c3d5875f503e757b64f2fd1ec349aee859bf)
>> caused the OpenFOAM reader a performance problem. I created and
>> attached a patch (to the OF reader) to fix the problem, so can
>> somebody take care of it?
>>
>> If a testing is required, please try the "0deg.foam" case included in
>> http://oshima.eng.niigata-u.ac.jp/polyhedronTests.tar.gz
>> . Without the fix it takes several minuits to load, whereas after fix
>> it should load in several seconds.
>>
>> Takuya
>>
>> Takuya OSHIMA, Ph.D.
>> Faculty of Engineering, Niigata University
>> 8050 Ikarashi-Ninocho, Nishi-ku, Niigata, 950-2181, JAPAN
>>
>>
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