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From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-02-08 17:22:46

> Howard Hinnant:
>> Here are results (dating around 3 years ago):
>> In order: 63 seconds.
>> try/back off/without yield: 47 seconds.
>> try/back off/with yield: 34 seconds.
> With Alexander Terekhov's "swap-based mutex", I'm not seeing a significant
> difference between the versions with and without yield. The penalty likely
> comes from spin-waits in lock() (which is why they're evil).

There's no significant difference with critical sections, too. Maybe I'm
doing something wrong. :-)

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