Date: 13 Feb 2001 03:55:28 +0100 From: Dag-Erling Smorgrav <des@ofug.org> To: kstewart@urx.com Cc: Matt Dillon <dillon@earth.backplane.com>, Greg Lehey <grog@lemis.com>, Danny Braniss <danny@cs.huji.ac.il>, freebsd-hackers@FreeBSD.ORG Subject: Re: soft updates performance Message-ID: <xzpy9vbl2an.fsf@flood.ping.uio.no> In-Reply-To: Kent Stewart's message of "Mon, 12 Feb 2001 18:44:25 -0800" References: <E14RurO-0000Zl-00@cs.huji.ac.il> <xzp7l2wc6v6.fsf@flood.ping.uio.no> <20010213095300.D2178@wantadilla.lemis.com> <xzp3ddjpjlk.fsf@flood.ping.uio.no> <200102122343.f1CNhd053320@earth.backplane.com> <3A887EB3.6BDD7648@urx.com> <200102130149.f1D1nDr66705@earth.backplane.com> <3A889F89.8CDD507F@urx.com>
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Kent Stewart <kstewart@urx.com> writes: > One other point that I would like to understand is why -j4 takes > longer on all of my systems. That goes against what everyone claims > should happen. More concurrent jobs means more contention and more overhead. Increasing the number of jobs boosts performance to a certain point; past this point, performance starts decreasing again. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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