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From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-09-19 17:10:31

Anthony Williams wrote:
> "Peter Dimov" <pdimov_at_[hidden]> writes:
>> Peter Dimov wrote:
>>> This is what CRITICAL_SECTIONs do, and I recall being told by
>>> Alexander Terekhov that it is suboptimal (threads take the slow path
>>> when they could take the fast path). My tests with a contended queue
>>> seemed to prove him right.
>>> Unfortunately, I can no longer find his post where he explained that
>>> with Google.
>> Here it is:
> Thanks. I'll have to look at Alexander's proposed swap-based
> implementation.

I've played with it a bit:

but I suspect that there are a few errors in this old code... some of the
reads are not atomic but need to be. Maybe we can give it a review and bring
it up to Boost standards.

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