Re: Slight optimizations to entry.S patch

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Dec 21 2001 - 11:49:54 EST


> I was familiarizing (or trying to) myself with the i386 architecture code,
> and saw a few possible optimizations. I think they can save a few cycles (not
> that many). Can someone comment? Are the changes worthwhile?

Measure them and see - look at the rdtsc instruction, run a million
iterations of all the various variants and see what you find
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sun Dec 23 2001 - 21:00:24 EST