Re: [gnugo-devel] use fixed point arithmetics in accumulat_influence

[Marco Scheurer]

On Saturday, November 30, 2002, at 02:19 AM, Arend Bayer wrote:
> Gunnar wrote:
> > How big speedup did you experience?
>
> IIRC around 30% for accumulat_influence(), but since we have Dave's 
> and my
> speedups in, this doesn't result in a big overall speedup currently.
> (Could change of course if we decide to call influence.c more often.)
> It was below 1%.

It seems to me that the profile for GNU Go is pretty flat, with all 
functions on average using less than 10% or even 5-6% of CPU. So it is 
unlikely that any optimization will result in an overall large 
speedup... 1% seems typical of what one can hope to reach.

Marco Scheurer
Sen:te, Lausanne, Switzerland    http://www.sente.ch