lkml.org 
[lkml]   [2013]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: Run checksumming in parallel accross multiple alu's

* Neil Horman <nhorman@tuxdriver.com> wrote:

> I'm sure it worked properly on my system here, I specificially
> checked it, but I'll gladly run it again. You have to give me an
> hour as I have a meeting to run to, but I'll have results shortly.

So what I tried to react to was this observation of yours:

> > > Heres my data for running the same test with taskset
> > > restricting execution to only cpu0. I'm not quite sure whats
> > > going on here, but doing so resulted in a 10x slowdown of the
> > > runtime of each iteration which I can't explain. [...]

A 10x slowdown would be consistent with not running your testcase
but 'perf bench sched messaging' by accident, or so.

But I was really just guessing wildly here.

Thanks,

Ingo


\
 
 \ /
  Last update: 2013-10-29 14:41    [W:0.126 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site