Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: pointer and 64 bit

Author: Robert Hyatt

Date: 07:17:27 04/12/05

Go up one level in this thread


On April 12, 2005 at 02:29:32, F. Reul wrote:

>Hi,
>
>my question, why are instructions with pointers and arrays in 64-bit mode much
>more slow, than in 32-bit mode?
>
>code, like
>
>dist=distance[from][to];
>....
>
>gets extremely slow, when compiled in 64-bit mode, while the most other
>operations are more efficient under 64-bit mode!??
>
>
>Fritz Reul

How are "from" and "to" declared?  "int"?  Make them unsigned.




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.