Date: Tue, 21 Oct 2014 18:23:40 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: torvalds@linux-foundation.org, paulmck@linux.vnet.ibm.com,
        tglx@linutronix.de, akpm@linux-foundation.org, riel@redhat.com,
        mgorman@suse.de, oleg@redhat.com, mingo@redhat.com, minchan@kernel.org,
        kamezawa.hiroyu@jp.fujitsu.com, viro@zeniv.linux.org.uk,
        laijs@cn.fujitsu.com, dave@stgolabs.net, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [RFC][PATCH 0/6] Another go at speculative page faults
Message-ID: <20141021162340.GA5508@gmail.com>
References: <20141020215633.717315139@infradead.org>
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* Peter Zijlstra <peterz@infradead.org> wrote:

> My Ivy Bridge EP (2*10*2) has a ~58% improvement in pagefault throughput:
> 
> PRE:
>        149,441,555      page-faults                  ( +-  1.25% )
>
> POST:
>        236,442,626      page-faults                  ( +-  0.08% )

> My Ivy Bridge EX (4*15*2) has a ~78% improvement in pagefault throughput:
> 
> PRE:
>        105,789,078      page-faults                 ( +-  2.24% )
>
> POST:
>        187,751,767      page-faults                 ( +-  2.24% )

I guess the 'PRE' and 'POST' numbers should be flipped around?

Thanks,

	Ingo
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