Re: [BENCHMARK] 2.5.47{-mm1} with contest

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Nov 20 2002 - 20:11:32 EST


On Thu, 2002-11-21 at 00:08, William Lee Irwin III wrote:
> Similar things have been reported with 2.4.x vs. 2.2.x and IIRC there
> was some speculation they were due to low-level arch code interactions.
> I think this merits some investigation. I, for one, am a big user of
> SIGIO in userspace C programs...

FSAVE v FXSAVE is one of the reasons for the 2.2/2.4 shift

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