Parallel programming

[William O'Higgins Witteman]

On Tue, Aug 04, 2009 at 12:52:08PM -0700, Ian Petersen wrote:
>On Tue, Aug 4, 2009 at 12:45 PM, William O'Higgins
>Witteman<william.ohiggins-H217xnMUJC0sA/PxXw9srA at public.gmane.org> wrote:
>> Does anyone have experience or can recommend a good resource for
>> high-performance parallel programming?
>>
>> Specifically, I have been asked to help one of my colleagues parallelize
>> a simulation.  Ideally I would like to be able to run it on many, many
>> Linux machines via Amazon Web Services or similar service, but it would
>> be great to maximize an arbitrary number of cores as well as
>> physical/virtual machines.  Thanks.
>
>I'm not even close to an expert in this area but one thing I do know
>is that optimizing for many cores in a shared-memory environment is a
>completely different problem from optimization for many machines in a
>shared-nothing environment.  "The grid" or "the cloud" is a whole
>different world from "SMP".

Thank you for that disambiguation.  Actually, I want both SMP and grid
computing advice.  Many commercially and academically available grids
use multiprocessor and multicore machines, and I am looking to maximize
the CPU usage for both.
-- 

yours,

William

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