Messages in this thread | | | Date | Tue, 29 Oct 2013 14:11:49 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's |
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* 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
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