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RE: libgcj and the NPTL posix threads implementation
- From: Anthony Green <green at redhat dot com>
- To: "Boehm, Hans" <hans dot boehm at hp dot com>
- Cc: "'Michael Koch'" <konqueror at gmx dot de>, java at gcc dot gnu dot org
- Date: Fri, 27 Feb 2004 12:18:00 -0800
- Subject: RE: libgcj and the NPTL posix threads implementation
- Organization: Red Hat, Inc.
- References: <0C3EFB691636964BBF914AE56AE83A89501F96@hplex4.hpl.hp.com>
On Fri, 2004-02-27 at 10:15, Boehm, Hans wrote:
> You might try http://www.hpl.hp.com/research/linux/qprof . I'm biased,
> but a design goal was to build a quick-and-dirty profiler that's trivial
> to install and run.
Just tried it, and it's pretty neat.
pthread mutexes do show up in my benchmark at about 15% of the time.
They are used extensively by the GC. Perhaps we could your light
weight locks here as well.
AG
--
Anthony Green <green@redhat.com>
Red Hat, Inc.