Author: Gian-Carlo Pascutto
Date: 11:38:22 12/17/02
Go up one level in this thread
On December 17, 2002 at 12:50:48, Matt Taylor wrote: >Actually it doesn't work like that. The CPU has an existing bandwidth of 3 >micro-ops/cycle. I was under the impression the P4 was much more limited than that (don't remember the details though). >Now, I am no parallel researcher, but even my parallel code doesn't suffer >overheads so large that it can't gain from HT. Depends on what the problem is. >You never said what "2 processes" was. Is it one physical CPU with HT or two >physical CPUs without HT? 2 physical CPUS with hyperthreading enabled running 2 processes (The case that breaks the scheduler) -- GCP
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.