Re: Moore's law (was Re: [patch 0/9] mutex subsystem, -V4)

From: Pavel Machek
Date: Thu Jan 05 2006 - 14:10:15 EST


On Thu 05-01-06 16:30:59, Andi Kleen wrote:
> On Monday 26 December 2005 01:33, Pavel Machek wrote:
>
> [cc list from hell trimmed down]

> > :-) Expressing performance increases in Moore's hours seems like
> > neat trick. OTOH I do not think it is valid any more. Single-threaded
> > performance stopped increasing 2 years ago AFAICS.
>
> It's not true. e.g. a 2.6 Ghz FX-57 is significantly faster than the
> top end CPU you could get 2 years ago. And I'm sure this years CPUs
> will be still faster than last years.

Well, but it is no longer 2x as fast...

> > Plus people are
> > pushing Linux onto smaller machines, that were unavailable 2 years
> > ago.
>
> Even smaller systems are still getting faster.

Yep. OTOH this is the first time when *average* linux box is getting
*slower* -- mostly due to massive ammount of cheap, linux-based
wifi access points on the market.

(Average linux desktop box is still gettting faster, though)
--
Thanks, Sharp!
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