homepage Welcome to WebmasterWorld Guest from 54.161.175.231
register, free tools, login, search, pro membership, help, library, announcements, recent posts, open posts,
Become a Pro Member
Visit PubCon.com
Home / Forums Index / Hardware and OS Related Technologies / Webmaster Hardware
Forum Library, Charter, Moderator: open

Webmaster Hardware Forum

    
Dual Proc vs Dual Core
Differences?
trillianjedi




msg:3255681
 7:49 pm on Feb 17, 2007 (gmt 0)

Is a single Dual Core really like a dual processor?

I've got a dual proc machine here I'm playing with and I've got a mamouth SQL query that's got one CPU locked up at 100%, yet the machine is still completely responsive and I can do everything I need to do on the other proc.

Nice. Can a dual core do that?

 

kaled




msg:3255830
 2:15 am on Feb 18, 2007 (gmt 0)

I've never looked closely at how the hardware is configured for each, but loosely, I would say behaviour should be similar. In both cases, they have to share resources (memory and disk). The major difference might be the arrangement of internal caches but if the CPU cache is duplicated, I would expect performance to be very similar.

Having said that, a single processor system might do better than you think - it depends on how the task scheduling works, and, to some extent, how the software is written (and the nature of the task). For instance, a big job could be scheduled to run with idle-priority. In this case, the system should still be responsive whilst CPU usage for the major task remained at about 95% or more.

Kaled.

Global Options:
 top home search open messages active posts  
 

Home / Forums Index / Hardware and OS Related Technologies / Webmaster Hardware
rss feed

All trademarks and copyrights held by respective owners. Member comments are owned by the poster.
Home ¦ Free Tools ¦ Terms of Service ¦ Privacy Policy ¦ Report Problem ¦ About ¦ Library ¦ Newsletter
WebmasterWorld is a Developer Shed Community owned by Jim Boykin.
© Webmaster World 1996-2014 all rights reserved