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

From: Howard Hinnant (hinnant_at_[hidden])
Date: 2008-02-10 15:42:16

On Feb 10, 2008, at 2:46 PM, Peter Dimov wrote:

> 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.

Hey, Peter has volunteered to buy a 16 core machine for us to  
experiment on! :-)

-Howard