[Paraview-developers] MPI Parallel Sorting

[Utkarsh Ayachit]

Actually, Joe Hennessey from JHU sent me a reference:
http://portal.acm.org/citation.cfm?id=608798

We are taking a look at this one.  It seems to do what we want.

Utkarsh

On Mon, Aug 23, 2010 at 7:34 PM, Moreland, Kenneth <kmorel at sandia.gov> wrote:
> No it does not.  The spreadsheet on the client carefully loads only the
> portion of the data that is visible.  If you were to pull all the data to
> the client, you would run out of memory and kill it.
>
> In short, that won’t work.
>
> -Ken
>
>
> On 8/23/10 5:16 PM, "Scott, W Alan" <wascott at sandia.gov> wrote:
>
> Greenfield has a really good point - doesn't the data for the whole
> spreadsheet have to be passed to the client for display?  Thus, couldn't you
> just sort on the client?
>
> Alan
>
> -----Original Message-----
> From: paraview-developers-bounces at paraview.org
> [mailto:paraview-developers-bounces at paraview.org] On Behalf Of Utkarsh
> Ayachit
> Sent: Monday, August 09, 2010 8:48 AM
> To: ParaView Developers; Thompson, David C
> Subject: [Paraview-developers] MPI Parallel Sorting
>
> Folks,
>
> I am looking at the long standing feature request to add support for
> sorting in the spreadsheet view. Our use case is that we have a large
> array is distributed among N processes.
> We want to end up with that array sorted but still distributed among
> all processes. Most implementations I am looking at end up creating
> one large sorted array on one of nodes. Does anyone know any approach
> that avoids this generation of a large array on the root node?
>
> Utkarsh
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>    ****      Kenneth Moreland
>     ***      Sandia National Laboratories
> ***********
> *** *** ***  email: kmorel at sandia.gov
> **  ***  **  phone: (505) 844-8919
>     ***      web:   http://www.cs.unm.edu/~kmorel
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