Date: Fri, 17 Feb 2006 15:43:28 -0500 From: "Brian K. White" <brian@aljex.com> To: <freebsd-current@freebsd.org> Subject: Re: Virtual memory consumption (both user and kernel) inmodern CURRENT Message-ID: <008101c63402$de029d10$6c00000a@venti> References: <20060215024339.N22450@atlantis.atlantis.dp.ua><43F29BF5.4060300@freebsd.org><20060216123548.GA35910@uk.tiscali.com><20060216135138.GA16669@flame.pc> <43F525A6.3080701@rogers.com><20060217013039.GA31540@xor.obsecurity.org> <43F6174A.7060801@rogers.com>
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----- Original Message ----- From: "Mike Jakubik" <mikej@rogers.com> To: "Kris Kennaway" <kris@obsecurity.org> Cc: "Giorgos Keramidas" <keramida@ceid.upatras.gr>; "Dmitry Pryanishnikov" <dmitry@atlantis.dp.ua>; <freebsd-current@freebsd.org>; "David Xu" <davidxu@freebsd.org>; "Brian Candler" <B.Candler@pobox.com> Sent: Friday, February 17, 2006 1:34 PM Subject: Re: Virtual memory consumption (both user and kernel) inmodern CURRENT > Kris Kennaway wrote: >> On Thu, Feb 16, 2006 at 08:23:50PM -0500, Mike Jakubik wrote: >> >>> And what am i trading off here? I have "/etc/malloc.conf@ -> ajz" and my >>> memory usage has gone up the roof. My system used to be swap free, and >>> now its swapping over 40 MB. Can someone explain to me why this new >>> malloc is better? I don't see any speed improvements. >>> >> >> It's a couple of orders of magnitude faster for threaded binaries. >> See earlier posts by the author for extensive discussion. >> > > Great, too bad only 2% of my applications are threaded. I just don't see > this change very positively, using 40MB of swap, where before was none > does not seem to me like a speed improvement. I'm all for better > performance of threaded apps, but the trade off seems too high. Especially if: What's orders of magnitude faster, the main parts of the app or merely the act of spawning/destroying a new thread? Brian K. White -- brian@aljex.com -- http://www.aljex.com/bkw/ +++++[>+++[>+++++>+++++++<<-]<-]>>+.>.+++++.+++++++.-.[>+<---]>++. filePro BBx Linux SCO FreeBSD #callahans Satriani Filk!
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