Author: Vincent Diepeveen
Date: 08:39:42 03/14/02
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On March 14, 2002 at 09:59:49, K. Burcham wrote: with all respect for intel, but hyperthreading for now is a big hype which is going to speed us up 0.0000000000000 for computerchess. Even if you especially program for it. Processors are not complex enough yet to take advantage of it. there is simply no room left for a second thread which can use holes in the pipelines to fill itself. More interesting than hyper threading is when the McKinley is released. Despite running on only 1 Ghz this is an interesting processor (if you can use a big number of them with shared memory). Price i already don't dare to ask for the McKinley, will be thousands of dollars a thing. McKinley on paper probably is going to hyperthread too :) > > >(taken from Tom's site) >"A few final thoughts on Intel's Hyperthreading technology, which virtually >doubles the number of processors: when using typical applications that are >optimized for dual processing, Hyperthreading brings no advantages with it. >Rather, the overhead on data slows down the application. Only software that is >specially adapted for Hyperthreading enables an increase in performance. In >addition, when Hyperthreading is activated, the memory performance decreases >drastically, which is partially reflected by the memory benchmark." > >Notice the four windows in the task manager with Hyper-Threading enabled in a >dual processor system. Shows four processors. > >http://www.tomshardware.com/cpu/02q1/0203131/dual-03.html > >makes you wonder what this will do with a chess smp program. >kburcham
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