Re: Kernel SCM saga..

From: Daniel Phillips
Date: Fri Apr 08 2005 - 02:21:51 EST


On Friday 08 April 2005 03:05, Rogan Dawes wrote:
> Take a look at
> http://www.linuxshowcase.org/2001/full_papers/ezolt/ezolt_html/
>
> Abstract
>
> GNU libc's default setting for malloc can cause a significant
> performance penalty for applications that use it extensively, such as
> Compaq's high performance extended math library, CXML. The default
> malloc tuning can cause a significant number of minor page faults, and
> result in application performance of only half of the true potential.

This does not smell like an n*2 suckage, more like n^something suckage.
Finding the elephant under the rug should not be hard. Profile?

Regards,

Daniel
-
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/