Author: Christophe Theron
Date: 10:43:42 04/22/04
Go up one level in this thread
On April 22, 2004 at 04:24:05, Didzis Cirulis wrote:
>Hi,
>
>I have run some tests of Lightspeed v2.0 public beta 1, available from
>www.clievideo.com, on my Palm Zire 71.
>
>CPU speed was increased from 144 to 192 MHz, which makes it 1.33 times faster
>Test postions were run in using standard configurations of programs.
>
>The first program was Chess Genius 2.01, level 60 seconds per move, ponder off.
> Test postion 1: 1. Nh3
> Lightspeed enabled: 38298 positions per second
> disabled: 28724 positions per second
> Resulting speedup = 1.33
>
> Test postion 2: 1. Na3
> Lightspeed enabled: 38016 positions per second
> disabled: 28060 positions per second
> Resulting speedup = 1.35
>
>
>The second tested program was Chess Tiger 15.2, level 60 sec/move, ponder off.
>
> Test postion 1: 1. Nh3
> Lightspeed enabled: 486 positions per second
> disabled: 356 positions per second
> Resulting speedup = 1.36
>
> Tiger's speed index:
> Lightspeed enabled: 1.25
> disabled: 0.88
> Resulting speedup = 1.42
>
>Conclusion: Speedup of ChessGenius is propotional to speedup of CPU, but
> Chess Tiger seems to be gaining a bit more.
>
>Didzis Cirulis
The gain that can be expected from a 1.33 speedup is 29 elo points.
The gain that can be expected from a 1.42 speedup is 35 elo points.
Not bad! I would bet that nobody will be able to notice the difference in term
of battery life. The processor is not the only component draining current from
the battery. The screen drains a lot.
Christophe
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.