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, 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.


--
Thanks Alex


\
 
 \ /
  Last update: 2013-02-20 10:42    [W:0.072 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site