Author: Eric Oldre
Date: 08:30:22 07/14/04
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On July 14, 2004 at 07:43:47, Dan Andersson wrote: > Cache and other memory subsystems have little impact compared to IPC, BPU and >branch misprediction penalty in next to all chess programs. Probably a fraction >of a percent. > Of the BSD distributions out there FreeBSD and OpenBSD have Tier 1 status on >the AMD64 port. NetBSD port is fully funtional but won't be fully supported >until next release. > >MvH Dan Andersson I have heard many of the engine authors in this forum discussing the impacts of branch (mis)prediction. As I don't have any real formal programming training and and just beginning to learn C, I haven't really been able to understand. a) what are branch mispredictions? b) how do you minimize them? c) how do you detect/measure them? (some sort of profiler i'm guessing). No need to explain here on the board, but a link to a informational webpage would be great. Eric
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