Date: Thu, 14 Apr 2005 00:41:25 +0100 From: "Niall Douglas" <s_sourceforge@nedprod.com> To: freebsd-threads@freebsd.org Subject: Re: thread aware malloc Message-ID: <425DBC35.18797.F118E6C@localhost> In-Reply-To: <425DA78E.2050701@freebsd.org> References: <425DAE1F.5558.EDA8BD7@localhost>
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On 14 Apr 2005 at 7:13, David Xu wrote: > >I've already ported ptmalloc2 to FreeBSD. The performance increase is > > steller to put it mildly, even with FreeBSD's poor multithreading > >performance. You're talking ten or more times faster in heavily > >multithreaded code :) > > Poor multithreading performance? I don't know what library you are > talking about. I admit that malloc/free is the main bottleneck in > userland, a SMP-aware and CPU locality allocator is welcome. KSE threads, FreeBSD v5.3. It's a mixture of process and system threads. As I mentioned in a previous post, it's eight times slower than Linux. See http://www.nedprod.com/Tn/ (scroll down to the screenshots). Cheers, Niall
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