Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: optimizing loops question

Author: Gerd Isenberg

Date: 12:10:03 07/21/03

Go up one level in this thread


On July 21, 2003 at 14:53:21, Omid David Tabibi wrote:

>On July 21, 2003 at 14:42:51, Gerd Isenberg wrote:
>
>>Hi Omid,
>>
>>but remember, div/mod is only one instruction on x86!
>
>Isn't integer division the slowest instruction?
>
>>And shr is dead slow on P4 ;-)
>
>Slower than div/mod?! Is it only the case in P4 or also in Athlon XP, P3, and
>others?

Of course not, i'm only joking a bit ;-)
"shift is dead slow on P4" is an excerpt of Vincent, if i remember well.
Ok all is relative - i guess shift was faster on P3 in term of cycles.

Gerd

>
>>
>>Gerd



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.