lindahl at keyresearch.com
Thu May 29 03:15:12 EDT 2003
On Wed, May 28, 2003 at 05:18:10PM -0700, Ryan Burns wrote:
> I'm looking for a transparent DSM solution.
If you look around, you'll find 30+ projects that have produced DSM
with varying degrees of transparency. You'll find that performance is
quite low for a very transparent solution -- so it works OK only for
programs which are nearly embarrassingly parallel.
> Each thread/process needs to read shared memory from 1 specific
> thread/process which is part of the user application. So imagine I take a
> user application, that I know nothing about, fork it a few times onto
> other nodes, then each node needs to read memory from that original
If your user application wrote and read files (or named pipes) instead
of using shared memory, you could produce something probably much
higher in performance, with much less work.
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