Re: [PATCH][RFC] make cpu_sibling_map a cpumask_t

From: Ingo Molnar
Date: Mon Dec 08 2003 - 15:40:35 EST



On Mon, 8 Dec 2003, Nick Piggin wrote:

> P.S.
> I have an alternative to Ingo's HT scheduler which basically does the
> same thing. It is showing a 20% elapsed time improvement with a make -j3
> on a 2xP4 Xeon (4 logical CPUs).

if it gets close/equivalent (or better!) performance than the SMT-aware
scheduler i've posted then i'd prefer your patch because yours is
fundamentally simpler. (Btw., there exist a number of similar,
balancing-based HT patches - they are all quite simple.)

Ingo
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