Re: [PATCH 00/23] per device dirty throttling -v8

Arjan van de Ven
2007-08-04T20:35:47Z

> > People just need to know about the performance differences - very few
> > realise its more than a fraction of a percent. I'm sure Gentoo will
> > use relatime the moment anyone knows its > 5% 8)
>
> noatime,nodiratime gave 50% of wall-clock kernel rpm build performance
> improvement for Dave Jones, on a beefy box. Unless i misunderstood what
> you meant under 'fraction of a percent' your numbers are _WAY_ off.

it's also a Watt or so of power if you have the AHCI ALPM patches in the
kernel (which are pending mainline inclusion)...