From owner-freebsd-hackers Thu Mar 7 4:28:58 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from earth.rila.bg (earth.rila.bg [194.141.1.31]) by hub.freebsd.org (Postfix) with ESMTP id AD6E237B440 for ; Thu, 7 Mar 2002 04:28:43 -0800 (PST) Received: from earth.rila.bg (mitko@localhost.rila.bg [127.0.0.1]) by earth.rila.bg (8.11.6/8.11.6) with SMTP id g27CRxJ44055; Thu, 7 Mar 2002 14:28:00 +0200 (EET) (envelope-from mitko@rila.bg) Date: Thu, 7 Mar 2002 14:27:59 +0200 From: Dimitar Peikov To: Julian Elischer , freebsd-hackers@freebsd.org Subject: Re: Swapping performance Message-Id: <20020307142759.0d95d467.mitko@rila.bg> In-Reply-To: References: <20020307090707.GC26621@elvis.mu.org> Reply-To: mitko@rila.bg Organization: Rila Solutions X-Mailer: Sylpheed version 0.7.2claws (GTK+ 1.2.10; i386--freebsd4.5) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 7 Mar 2002 04:01:58 -0800 (PST) Julian Elischer wrote: > he said -stable.. > > what are the malloc options on -stable? > > maybe we should make sure that they are null > > ln -s ">" /etc/malloc.conf > (I hope that helps) :) > I've tested it with : cc -O6 -o malloc_test malloc_test.c ln -s ">>" /etc/malloc.conf ln -s "<<" /etc/malloc.conf ln -s "HR>>" /etc/malloc.conf ln -s "HR<<" /etc/malloc.conf and no significant performance issue between the tests. There were some differences but not amazing one. > > On Thu, 7 Mar 2002, Alfred Perlstein wrote: > > > * Dimitar Peikov [020307 00:45] wrote: > > > I start some performance tests on -stable and on SuSE 7.1 / 2.4.17. I > > > don't comment about 'bzero' performance, but when RAM is over, Linux > > > is much faster. I have no idea what is the algorithm of swapping but > > > it seems that the granularity of swapping pieces is the key or the > > > importance of swapping memory blocks of certain task. Ooo I forgot to > > > say that the both machines have the same hardware, IBM 300PL, 256 RAM > > > and no other tasks running. I had to run these tests to choose the > > > fastest platform for building our software indexes, which requires a > > > lot of math and memory operations. > > > > Also, which version of FreeBSD? > > > > -- > > -Alfred Perlstein [alfred@freebsd.org] > > 'Instead of asking why a piece of software is using "1970s technology," > > start asking why software is ignoring 30 years of accumulated wisdom.' > > Tax deductible donations for FreeBSD: http://www.freebsdfoundation.org/ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > > -- Dimitar Peikov Programmer Analyst Globalization Group "We Build e-Business" RILA Solutions 27 Building, Acad.G.Bonchev Str. 1113 Sofia, Bulgaria phone: (+359 2) 9797320 phone: (+359 2) 9797300 fax: (+359 2) 9733355 http://www.rila.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message