Author: Gian-Carlo Pascutto
Date: 08:32:17 08/21/02
Go up one level in this thread
On August 21, 2002 at 11:21:18, Robert Hyatt wrote: >>They optimistically estimated their number of nodes at 126 million >>nodes a second. From that about 20% were *effective* the other 80% >>was lost by parallellism, as you can see in the document. > >That is also wrong. He said the search was 7% effective, not 20%. And >as I said, when I talked to him he used 7% as a number to be used against >the peak performance of the machine, which was 1B nodes per second based >on simple math. That turns into maybe 70M nodes per second in terms of >single-processor equivalent. This is new to me. You're saying it only did an effective 70Mnps? IIRC, Hsu's DBTE was _supposed_ to be >20% effective on 1024 cpus. -- 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.