Date: Thu, 7 Mar 2002 14:27:59 +0200 From: Dimitar Peikov <mitko@rila.bg> To: Julian Elischer <julian@elischer.org>, freebsd-hackers@freebsd.org Subject: Re: Swapping performance Message-ID: <20020307142759.0d95d467.mitko@rila.bg> In-Reply-To: <Pine.BSF.4.21.0203070359110.41354-100000@InterJet.elischer.org> References: <20020307090707.GC26621@elvis.mu.org> <Pine.BSF.4.21.0203070359110.41354-100000@InterJet.elischer.org>
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On Thu, 7 Mar 2002 04:01:58 -0800 (PST) Julian Elischer <julian@elischer.org> 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 <mitko@rila.bg> [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
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