From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by kanga.kvack.org (Postfix) with ESMTP id EEC226B0081 for ; Tue, 21 Oct 2014 12:23:50 -0400 (EDT) Received: by mail-wi0-f169.google.com with SMTP id r20so2419994wiv.2 for ; Tue, 21 Oct 2014 09:23:50 -0700 (PDT) Received: from mail-wi0-x231.google.com (mail-wi0-x231.google.com. [2a00:1450:400c:c05::231]) by mx.google.com with ESMTPS id n6si15326174wjx.83.2014.10.21.09.23.47 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 09:23:47 -0700 (PDT) Received: by mail-wi0-f177.google.com with SMTP id fb4so2398319wid.4 for ; Tue, 21 Oct 2014 09:23:47 -0700 (PDT) Date: Tue, 21 Oct 2014 18:23:40 +0200 From: Ingo Molnar Subject: Re: [RFC][PATCH 0/6] Another go at speculative page faults Message-ID: <20141021162340.GA5508@gmail.com> References: <20141020215633.717315139@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141020215633.717315139@infradead.org> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra 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 * Peter Zijlstra 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org