Messages in this thread | | | Date | Fri, 30 Aug 2013 19:17:07 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v7 1/4] spinlock: A new lockref structure for lockless update of refcount |
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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.
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