Re: 2.4.x vs 2.6.x: denormal handling and audio performance

From: Lee Revell
Date: Tue Aug 10 2004 - 00:29:32 EST


On Mon, 2004-08-09 at 22:35, Fernando Pablo Lopez-Lezcano wrote:
> _BUT_
>
> [frantically trying to find a big brown bag to hide in... sigh...]
>
> I retested with 2.4.x under FC1 yet again and I do see the same
> effect... argh... [*]
>

Regardless, these numbers still are interesting. Would any kernel
developer care to explain them? It looks like a 50% difference in
performance from 2.4 to 2.6:

On Mon, 2004-08-09 at 10:49, Fernando Pablo Lopez-Lezcano wrote:
> Athlon64 3000+, 2.6 (glibc 2.3.3, FC2): 27.5x
>
> P4 Mobile, 2.6 (glibc 2.3.3, FC2): 191x
> P4 Mobile, 2.4 (glibc 2.3.2, FC1): 315x

Lee


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/