From owner-svn-src-head@FreeBSD.ORG Tue Jul 9 05:01:41 2013 Return-Path: Delivered-To: svn-src-head@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 02EF084D; Tue, 9 Jul 2013 05:01:41 +0000 (UTC) (envelope-from sjg@juniper.net) Received: from db9outboundpool.messaging.microsoft.com (mail-db9lp0251.outbound.messaging.microsoft.com [213.199.154.251]) by mx1.freebsd.org (Postfix) with ESMTP id 646C217DB; Tue, 9 Jul 2013 05:01:39 +0000 (UTC) Received: from mail96-db9-R.bigfish.com (10.174.16.237) by DB9EHSOBE014.bigfish.com (10.174.14.77) with Microsoft SMTP Server id 14.1.225.22; Tue, 9 Jul 2013 04:31:21 +0000 Received: from mail96-db9 (localhost [127.0.0.1]) by mail96-db9-R.bigfish.com (Postfix) with ESMTP id 2E24A2400BD; Tue, 9 Jul 2013 04:31:21 +0000 (UTC) X-Forefront-Antispam-Report: CIP:66.129.224.50; KIP:(null); UIP:(null); IPV:NLI; H:P-EMHUB02-HQ.jnpr.net; RD:none; EFVD:NLI X-SpamScore: 3 X-BigFish: VPS3(zzzz1f42h1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6h1082kzzz2fh2a8h668h839hd25hf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h14ddh1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b88h1d0ch1d2eh1d3fh1de2h1dfeh1dffh1e23h1155h) Received-SPF: pass (mail96-db9: domain of juniper.net designates 66.129.224.50 as permitted sender) client-ip=66.129.224.50; envelope-from=sjg@juniper.net; helo=P-EMHUB02-HQ.jnpr.net ; -HQ.jnpr.net ; Received: from mail96-db9 (localhost.localdomain [127.0.0.1]) by mail96-db9 (MessageSwitch) id 1373344280130171_4924; Tue, 9 Jul 2013 04:31:20 +0000 (UTC) Received: from DB9EHSMHS030.bigfish.com (unknown [10.174.16.238]) by mail96-db9.bigfish.com (Postfix) with ESMTP id 1A2ED80046; Tue, 9 Jul 2013 04:31:20 +0000 (UTC) Received: from P-EMHUB02-HQ.jnpr.net (66.129.224.50) by DB9EHSMHS030.bigfish.com (10.174.14.40) with Microsoft SMTP Server (TLS) id 14.16.227.3; Tue, 9 Jul 2013 04:31:19 +0000 Received: from magenta.juniper.net (172.17.27.123) by P-EMHUB02-HQ.jnpr.net (172.24.192.33) with Microsoft SMTP Server (TLS) id 8.3.213.0; Mon, 8 Jul 2013 21:31:18 -0700 Received: from chaos.jnpr.net (chaos.jnpr.net [172.24.29.229]) by magenta.juniper.net (8.11.3/8.11.3) with ESMTP id r694VIL63577; Mon, 8 Jul 2013 21:31:18 -0700 (PDT) (envelope-from sjg@juniper.net) Received: from chaos.jnpr.net (localhost [127.0.0.1]) by chaos.jnpr.net (Postfix) with ESMTP id C181758097; Mon, 8 Jul 2013 21:31:17 -0700 (PDT) To: Devin Teske Subject: Re: svn commit: r253002 - head In-Reply-To: <13CA24D6AB415D428143D44749F57D7201FB7609@ltcfiswmsgmb21> References: <201307072039.r67KdCdR028908@svn.freebsd.org> <9D4C7540-A3B0-45E5-8219-6A455D41DF70@gmail.com> <51D9DA55.2090808@freebsd.org> <13CA24D6AB415D428143D44749F57D7201FB7609@ltcfiswmsgmb21> Comments: In-reply-to: "Teske, Devin" message dated "Tue, 09 Jul 2013 00:12:22 -0000." From: "Simon J. Gerraty" X-Mailer: MH-E 7.82+cvs; nmh 1.3; GNU Emacs 22.3.1 Date: Mon, 8 Jul 2013 21:31:17 -0700 Message-ID: <20130709043117.C181758097@chaos.jnpr.net> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: juniper.net X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Cc: "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , Alfred Perlstein , "src-committers@freebsd.org" , Garrett Cooper X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 05:01:41 -0000 >We've run as high as -j48 ... number of logical cpu's "times-two" (it was o= >n a box with 24 logical CPUs). We've (ok dhw@ has) done a lot of empirical measurement to determine optimal jobs_factor numbers for various machines. Right now we are using .75 for boxes with > 16 cores. For smaller boxes we use up to 1.5 Scaling on NUMA boxes is a sore point ;-) If someone could get FreeBSD to scale on larger (64 core) NUMA boxes that would be excellent.