From: Joel VanderWerf <vjoel@...>
Date: 2006-11-07T04:00:03+09:00
Subject: Re: fast mutexes for 1.8?

Eric Hodel wrote:
> As has been discussed further down in this thread, there isn't much to 
> do to make Mutex faster.  The only remaining thing is to avoid 
> Mutex#synchronize when you need to be really fast.  The block invocation 
> overhead huge.  Instead use #lock, #unlock and ensure.

Obvious point, but that goes for Thread.exclusive, too. Use 
Thread.critical= to avoid the block overhead. I was very surprised once 
to see Thread.exclusive taking so much time in a profile.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407