lkml.org 
[lkml]   [2003]   [Mar]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: smp overhead, and rwlocks considered harmful
Aaron Lehmann <aaronl@vitelus.com> wrote:
>
> On Sat, Mar 22, 2003 at 05:58:16PM -0800, Andrew Morton wrote:
> >
> > I've been looking at the CPU cost of the write() system call. Time how long
> > it takes to write a million bytes to an ext2 file, via a million
> > one-byte-writes:
>
> Are you using a sysenter-capable C library?

No. That would certainly help the numbers.

But it is unrelated to the lock overhead problem.

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

\
 
 \ /
  Last update: 2005-03-22 13:34    [W:0.060 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site