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Re: [charm] Distribution of chares on PEs

From: Nikhil Jain <nikhil.jain AT acm.org>
To: Alexander Frolov <alexndr.frolov AT gmail.com>
Cc: "charm AT cs.illinois.edu" <charm AT cs.illinois.edu>
Subject: Re: [charm] Distribution of chares on PEs
Date: Thu, 25 Feb 2016 17:45:04 -0600

Hi Alex,

Assuming the array was created statically in one go, the default distribution for dense arrays is based on a blocked mapping, i.e. chare with index i goes to PE number (i / (total_chares/numPes)). If this is not your case, please tell us what it is.

--Nikhil

Alexander Frolov

February 25, 2016 at 14:01 via Postbox

Hi!

Sorry for asking probably very simple question. But anyway..

I would like to use number of PEs not equal to power of 2. How is array (array[1D]) distributed among PEs?

Thank you!

Best,

Alex

--
Nikhil Jain, nikhil.jain AT acm.org, http://charm.cs.uiuc.edu/people/nikhil Doctoral Candidate @ CS, UIUC

[charm] Distribution of chares on PEs, Alexander Frolov, 02/25/2016
- <Possible follow-up(s)>
- Re: [charm] Distribution of chares on PEs, Nikhil Jain, 02/25/2016
- Re: [charm] Distribution of chares on PEs, Sam White, 02/25/2016
  - Re: [charm] Distribution of chares on PEs, Alexander Frolov, 02/27/2016
    - Re: [charm] Distribution of chares on PEs, Robert Steinke, 02/27/2016