Date: Tue, 13 Jul 1999 22:01:25 +0200 From: Ollivier Robert <roberto@keltia.freenix.fr> To: freebsd-current@FreeBSD.org Subject: Re: LOCK overheads (was Re: "objtrm" problem probably found) Message-ID: <19990713220125.A18250@keltia.freenix.fr> In-Reply-To: <199907131555.IAA78738@apollo.backplane.com>; from Matthew Dillon on Tue, Jul 13, 1999 at 08:55:28AM -0700 References: <Pine.BSF.4.10.9907131026080.76301-100000@janus.syracuse.net> <199907131555.IAA78738@apollo.backplane.com>
next in thread | previous in thread | raw e-mail | index | archive | help
According to Matthew Dillon: > Wow, now that *is* expensive! The K6 must be implementing it in > microcode for it to be that bad. K6-200: 244 [21:57] roberto@keltia:src/C> ./locktest 0 ... empty 26.84 ns/loop 1proc 22.62 ns/loop 2proc 22.64 ns/loop empty w/locks 17.58 ns/loop 1proc w/locks 288.28 ns/loop 2proc w/locks 288.16 ns/loop It hurts :( -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr FreeBSD keltia.freenix.fr 4.0-CURRENT #72: Mon Jul 12 08:26:43 CEST 1999 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19990713220125.A18250>