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Subject: Charm++ parallel programming system

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Re: [charm] [ppl] Unable to run charm++ on infiniband interface

From: Phil Miller <mille121 AT illinois.edu>
To: Michel Espinoza-Fonseca <mef AT ddt.biochem.umn.edu>
Cc: "charm AT cs.illinois.edu" <charm AT cs.illinois.edu>
Subject: Re: [charm] [ppl] Unable to run charm++ on infiniband interface
Date: Wed, 8 Aug 2012 13:22:15 -0500
List-archive: <http://lists.cs.uiuc.edu/pipermail/charm>
List-id: CHARM parallel programming system <charm.cs.uiuc.edu>

On Wed, Aug 8, 2012 at 12:04 PM, Michel Espinoza-Fonseca
<mef AT ddt.biochem.umn.edu>
wrote:
> Interestingly, I also tried the SMP build which seems to work fine when
> "++ppn" is added to the command line, although NAMD scales poorly compared
> to the ibverbs build.

As for this observation, to benefit from SMP, you'll want to build
Charm++ with the smp and ibverbs options, so that it still uses the
low-latency infiniband interconnect hardware.

[charm] Unable to run charm++ on infiniband interface, Michel Espinoza-Fonseca, 08/08/2012
- Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Abhishek Gupta, 08/08/2012
  - Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Michel Espinoza-Fonseca, 08/08/2012
- Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Phil Miller, 08/08/2012
  - Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Michel Espinoza-Fonseca, 08/08/2012
- Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Phil Miller, 08/08/2012
  - Re: [charm] [ppl] Unable to run charm++ on infiniband interface, Michel Espinoza-Fonseca, 08/08/2012