Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: question about when to use local varaibles

Author: Matthew White

Date: 18:07:31 09/05/03

Go up one level in this thread


On September 05, 2003 at 21:06:34, Dave Gomboc wrote:

>Common Misconceptions:
>
>[snip]
>
>>Globals are faster than locals
>>Most modern C compilers will alias local variables to your CPUs register's or
>>SRAM.  Furthermore, if all variables in a given scope are local, then an
>>optimizing compiler, can forgo maintaining the variable outside the scope, and
>>therefore has more simplification optimization opportunities than with globals.
>>So, in fact, you should find the opposite  tends to be true more of the time.
>
>[snip]
>
>Dave

Right, I said that in the paragraph leading up to the statement ;).

Matt



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.