From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id A77606B01EF for ; Sun, 11 Apr 2010 05:41:43 -0400 (EDT) Message-ID: <4BC19916.20100@redhat.com> Date: Sun, 11 Apr 2010 12:40:38 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [PATCH 00 of 41] Transparent Hugepage Support #17 References: <20100410184750.GJ5708@random.random> <20100410190233.GA30882@elte.hu> <4BC0CFF4.5000207@redhat.com> <20100410194751.GA23751@elte.hu> <4BC0DE84.3090305@redhat.com> <4BC0E2C4.8090101@redhat.com> <4BC0E556.30304@redhat.com> <4BC19663.8080001@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Jason Garrett-Glaser Cc: Ingo Molnar , Mike Galbraith , Andrea Arcangeli , Linus Torvalds , Pekka Enberg , Andrew Morton , linux-mm@kvack.org, Marcelo Tosatti , Adam Litke , Izik Eidus , Hugh Dickins , Nick Piggin , Rik van Riel , Mel Gorman , Dave Hansen , Benjamin Herrenschmidt , Mike Travis , KAMEZAWA Hiroyuki , Christoph Lameter , Chris Wright , bpicco@redhat.com, KOSAKI Motohiro , Balbir Singh , Arnd Bergmann , "Michael S. Tsirkin" , Peter Zijlstra , Johannes Weiner , Daisuke Nishimura List-ID: On 04/11/2010 12:37 PM, Jason Garrett-Glaser wrote: > >> # time x264 --crf 20 --quiet crowd_run_2160p.y4m -o /dev/null --threads 2 >> yuv4mpeg: 3840x2160@50/1fps, 1:1 >> >> encoded 500 frames, 0.68 fps, 251812.80 kb/s >> >> real 12m17.154s >> user 20m39.151s >> sys 0m11.727s >> >> # echo never> /sys/kernel/mm/transparent_hugepage/enabled >> # echo never> /sys/kernel/mm/transparent_hugepage/khugepaged/enabled >> # time x264 --crf 20 --quiet crowd_run_2160p.y4m -o /dev/null --threads 2 >> yuv4mpeg: 3840x2160@50/1fps, 1:1 >> >> encoded 500 frames, 0.66 fps, 251812.80 kb/s >> >> real 12m37.962s >> user 21m13.506s >> sys 0m11.696s >> >> Just 2.7%, even though the working set was much larger. >> > Did you make sure to check your stddev on those? > I'm doing another run to look at variability. > I'm also curious how it compares for --preset ultrafast and so forth. > Is this something realistic or just a benchmark thing? -- error compiling committee.c: too many arguments to function -- 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