[Paraview-developers] MPI Parallel Sorting

[Moreland, Kenneth]

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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