Re: [boost] [thread] best practice to lock multiple mutexes

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-02-10 14:46:30

Anthony Williams:

> Adding yield() to try-and-back-off helps with some mutex implementations, 
> and is
> effectively a no-op in others, so is worth adding.

I think that I would like to see how the algorithms scale to a number of 
cores equaling the number of philosophers before agreeing with that. As Phil 
notes, extra yields are not a problem if another thread can use the time to 
do something useful.