[Haskell-cafe] Re: idea for avoiding temporaries

[Bulat Ziganshin]

Hello Claus,

Tuesday, March 13, 2007, 2:10:49 PM, you wrote:

> how big is the impact of those MVars anyway, compared to a version that wouldn't
> have to worry about threads?

on my 1GHz cpu, withMVar locking makes 2*10^6 cycles/sec, compared
with 10-100x faster IORef operation



-- 
Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com