Re: [Bug-gnubg] Removal of non-threaded code

[Massimiliano Maini]

Christian Anthon <address@hidden>
wrote on 29/04/2009 10:23:59:

> On Wed, Apr 29, 2009 at 10:04 AM, Massimiliano Maini <massimiliano.
> address@hidden> wrote:
> 
> address@hidden wrote on
> 28/04/2009 22:01:23: 
> 
> MaX build with single thread            
   : ~32400 eval/s 
> MaX build with MT code, 1 thread        : ~24800
eval/s 
> MaX build with MT code, 2 threads        : ~34600
eval/s 
> 
> However, a quick rollout (648 trials, expert, full, 2 top moves of
postion 
> t60BYCButycAAA:cAnnAWAASAAA) has shown the following: 
> 
> MaX build with single thread            
   : 2m04s 
> MaX build with MT code, 1 thread        : 2m04s
> MaX build with MT code, 2 threads        : 1m48s

> 
> I'm much more worried about the last two numbers here. MT code 
> should give close to twice the speed, or we are doing something wrong.

Here at office the PC is single core, don't know if
this explains the
"poor" result. I'll check at home (dual
core).

MaX.