lkml.org 
[lkml]   [2013]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v7 1/4] spinlock: A new lockref structure for lockless update of refcount
On Thu, Aug 29, 2013 at 09:43:07AM -0700, Linus Torvalds wrote:

> We'll see. The real problem is that I'm not sure if I can even see the
> scalability issue on any machine I actually personally want to use
> (read: silent). On my current system I can only get up to 15%
> _raw_spin_lock by just stat'ing the same file over and over and over
> again from lots of threads.

Yeah, silent basically limits you to i7 single socket systems and sadly
Intel doesn't seem to want to make those with more than 4 cores on :/

I've got a i7-K part (SNB iirc) with a _huge_ scythe cooler and a high
efficiency fanless PSU for a system that's near noiseless -- as in my
Thinkpad actually makes more noise.


\
 
 \ /
  Last update: 2013-08-30 20:01    [W:1.249 / U:2.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site