Date: Sat, 29 Oct 2005 00:27:25 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> Cc: Michael VInce <mv@roq.com>, John-Mark Gurney <gurney_j@resnet.uoregon.edu>, Steven Hartland <killing@multiplay.co.uk>, current@freebsd.org Subject: Re: Timers and timing, was: MySQL Performance 6.0rc1 Message-ID: <35776.1130538445@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 29 Oct 2005 00:23:38 %2B0200." <35758.1130538218@critter.freebsd.dk>
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In message <35758.1130538218@critter.freebsd.dk>, "Poul-Henning Kamp" writes: >In message <005d01c5dc0c$7ad2c9c0$b3db87d4@multiplay.co.uk>, "Steven Hartland" >writes: >>For interest I ran truss on a typical game server we run under >>FreeBSD to get a feel for how much this issue would affect >>their performance. >>Below is a small snippet from truss with -D which indicates >>that they would also benefit from work in this area. > >Yes, by about a factor of 0.000005 seconds every .5 seconds >or a factor of 1/100000 :-) Sorry, I should go to bed at more civilized hours: It's a 5usec per 5msec or a factor of 1/1000. Still, hardly the killer... -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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