lkml.org 
[lkml]   [2013]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/4] rwsem: Implement writer lock-stealing

* Alex Shi <alex.shi@intel.com> wrote:

> > Alex, could you go through my patch and see if there is
> > anything you find objectionable ? (if not about the details,
> > at least about the general approach of enabling writer lock
> > stealing on the fast path)
>
> I did a quick review on the patchset and tested the patches
> 1~3, and 1~3 plus 4th, my patch plus 4th.
>
> The patch looks much complicated, and also goes writing slow
> path to steal locking. My patch looks quite straight and
> simple.
>
> This 1~3 patch has very very similar performance effect with
> mine.
>
> The highlight patch is the 4th, seems it can provide about ~2%
> aim7 performance gain(base on both of mine or patches 1~3) on
> my 4S NHM EX machine.

That speedup would be nice to have.

Thanks,

Ingo


\
 
 \ /
  Last update: 2013-02-20 12:21    [W:2.259 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site