Re: Dealing with multi-processor or multi-core

["Peter K. Stys" <pkstys at gmail dot com>]

On Fri, May 30, 2008 at 1:31 PM, Daniel Stenning <d0stenning at msn dot com> 
wrote:

> What might help is some facility in the RB language to support  "shared
> memory".  This requires semaphores etc but is faster when we need to share
> big amounts of data amongst several processes ( or helper apps ).  Passing
> huge chunks of data via IPC is slow.



I'd second this: if multiple cores/threads/processes are needed, it's
usually because you need to operate on a large amount of data in parallel.
 Sending it via IPC or Notification may take as long as crunching it by a
single thread, defeating the multicore exercise.

-- 
---------------------------------------------
Peter K. Stys, MD
Dept. of Clinical Neurosciences
Hotchkiss Brain Institute
University of Calgary
tel (403) 210-8646
---------------------------------------------
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