Author: Inmann Werner
Date: 15:17:56 03/19/99
Go up one level in this thread
On March 19, 1999 at 18:10:21, Bruce Moreland wrote: > >On March 19, 1999 at 18:08:02, Dann Corbit wrote: > >>Actually, something very strange is at work here. Now that I look closely, the >>data objects are the same size. Are you sure that you have the optimization >>settings unchanged? Maybe you used a debug build for timing on the P90? Did >>you change the instruction mix? >> >>My previous remarks assumed that you expanded the tables. Since they are the >>same size, it is not the memory I/O that is a problem. >> >>Both lookups should be of identical speed. > >The way it was before should involve fewer instructions, which should mean that >it is faster, although who can ever tell on a Pentium. > Why fewer instructions. I did not change the instructions in the code in any way! >Not 30% though, it would be more like 0%, since there is a whole bunch of chess >program surrounding all of this. I think, all other chess programs use my "new" version because the old one is dumb. > >Not quite "identical" though. Sure nit identical, but what goes on here? > >bruce
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.