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h5part - Re: [H5part] Re: H5Block and ghost zones

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Subject: H5Part development and discussion

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Re: [H5part] Re: H5Block and ghost zones

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  • From: Achim Gsell <Achim.Gsell AT>
  • To: Andreas Adelmann <andreas.adelmann AT>
  • Cc: Mark Howison <MHowison AT>, h5part AT, John Shalf <JShalf AT>
  • Subject: Re: [H5part] Re: H5Block and ghost zones
  • Date: Thu, 15 Jul 2010 15:02:10 +0200
  • List-archive: <>
  • List-id: H5Part development and discussion <>

On Jul 14, 2010, at 1:20 AM, Andreas Adelmann wrote:

> Hi Mark ok now I understand.
> In case of a stencil based computation with a very anisotropic computation
> domain I can think of such cases. So we probable want to keep this feature
> but maybe have a configure option to ride the more easy way; i.e. all the
> dimensions have the same number of ghost nodes. This just in case of you
> very well observed problem with O(1E6) cores.
> What do you think ?

After defining the layout, we don't need the information for all processes
any more. So, why not allocating the memory in the layout-defining function
and releasing it before we leave this function?


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