Re: Help in DSM design

From: Aman Singla (
Date: Mon Mar 06 2000 - 14:09:48 EST

Nobody would deny that DSM is an easier programming model
to use for a large class of applications. Most of the overhead/
loss of performance in a DSM system has to do with the cost
of the underlying communication mechanism; the fact that DSM
systems can almost never come to par with an efficiently written
message-passing application in terms of the number/size of messages
generated, hurts the performance almost exponentially corresponding
to the cost of the underlying messaging - making the DSM system look
extremely poor.
Having said that, I'd venture that DSM technology can be
considered to be waiting for the NUMA communication technology
(interconnect + the protocols) to become commodity.

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