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Subj : Re: Distributed Proxy Reference Counting: The VZOOM Algorithm...
To   : comp.programming.threads
From : Chris Thomasson
Date : Mon Sep 19 2005 06:05 am

> I figured out that SMR and RCU are not very
> practical for a "general solution" to the reader/writer problem. For those
> who are interested, let me very briefly explain why:

I also believe that SUN has a patent application out on something called the 
"Repeat Offender Problem (ROP)". AFAICT it uses a DWCAS to place a "guard" 
on a data object. It looks like SUN's algorithm may be more expensive than 
SMR...

Any idea why SUN may be using DWCAS for this?

.

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