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Date: Thu, 28 May 2015 09:22:48 -0600
From: David Ahern <dsahern@gmail.com>
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To: Peter Zijlstra <peterz@infradead.org>,
        Mike Galbraith <mgalbraith@novell.com>
CC: Ingo Molnar <mingo@kernel.org>, Josef Bacik <jbacik@fb.com>,
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Subject: Re: [PATCH RESEND] sched: prefer an idle cpu vs an idle sibling for
 BALANCE_WAKE
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On 5/28/15 6:19 AM, Peter Zijlstra wrote:
>> On Thu, 2015-05-28 at 13:49 +0200, Ingo Molnar wrote:
>
>>> What's the biggest you've seen?
>
> Wikipedia here: http://en.wikipedia.org/wiki/Haswell_%28microarchitecture%29
>
> Tell us HSW-E[PX] have 18 cores 36 thread SKUs.
>
> But yes, what Mike says, its bound to only get bigger.

sparc M7: 8 threads per core, 32 cores per socket = 256 cpus per socket