[FLASH-USERS] maximum number of cores ever used to run FLASH?

Rodrigo Fernandez rafernan at berkeley.edu
Thu Sep 18 02:27:03 EDT 2014


Dear Sean, James, Paul,

Many thanks for your responses, they are very useful.

Rodrigo


On Wed, Sep 17, 2014 at 12:14 PM, Ricker, Paul Milton <pmricker at illinois.edu
> wrote:

>  We can't beat Sean, but here's MHD+N-body cosmology weak scaling on
> jaguar with 16^3 blocks up to about 100k cores.
>
> Paul
>
> Paul M. Ricker
> Associate Professor of Astronomy
> University of Illinois
> http://sipapu.astro.illinois.edu/~ricker
>
>
> -------- Original Message --------
> From: James Guillochon <jfg at ucolick.org>
> Sent: Wednesday, September 17, 2014 01:52 PM
> To: Sean Couch <smc at flash.uchicago.edu>
> Subject: Re: [FLASH-USERS] maximum number of cores ever used to run FLASH?
> CC: flash-users at flash.uchicago.edu
>
>  Well that's about 2 orders of magnitude larger than what I've used. I'm
> going to guess no, no one can beat half a million cores.
>
> On Wed, Sep 17, 2014 at 2:41 PM, Sean Couch <smc at flash.uchicago.edu>
> wrote:
>
>> For fun, let’s play throwdown.  Can anybody beat 525k cores (2 million
>> threads of execution)?  See attached (1 Mira node = 16 cores).
>>
>>  Sean
>>
>>
>>
>> --------------------------------------------------------
>> Sean M. Couch
>> Flash Center for Computational Science
>> Department of Astronomy & Astrophysics
>> The University of Chicago
>> 5747 S Ellis Ave, Jo 315
>> Chicago, IL  60637
>> (773) 702-3899 - office
>> www.flash.uchicago.edu/~smc
>>
>>
>>
>>
>>
>>
>>  On Sep 17, 2014, at 1:30 PM, Rodrigo Fernandez <rafernan at berkeley.edu>
>> wrote:
>>
>>  Dear FLASH Users/Developers,
>>
>>  Does anybody know the maximum number of cores that FLASH has ever been
>> run successfully with? Any reference for this? I need the information for a
>> computing proposal.
>>
>>  Thanks!
>>
>>  Rodrigo
>>
>>
>>
>>
>>
>>
>
>
>  --
> James Guillochon
> Einstein Fellow at the Harvard-Smithsonian CfA
> jguillochon at cfa.harvard.edu
>
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