Date: Fri, 17 Jun 2005 05:50:12 +0800 From: David Xu <davidxu@freebsd.org> To: Marc Olzheim <marcolz@stack.nl> Cc: Andriy Tkachuk <ant@emict.com>, freebsd-threads@freebsd.org Subject: Re: more than 2k threads with -lpthread or -lthr Message-ID: <42B1F414.9040203@freebsd.org> In-Reply-To: <20050616141857.GA63602@stack.nl> References: <200506161309.51431.ant@emict.com> <42B159E4.8080501@freebsd.org> <20050616141857.GA63602@stack.nl>
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Marc Olzheim wrote: >On Thu, Jun 16, 2005 at 06:52:20PM +0800, David Xu wrote: > > >>Both libpthread and libthr use 1M bytes stack on 32bits platform >>and 2M bytes stack on 64bits platform. I think 2k threads needs >>2G stack on i386, this is too large. >> >> > >In which case pthread_attr_setstacksize() might help ? > >Marc > > pthread_attr_setstacksize definitively helps, libc_r default uses 64k stack for thread, this is very small stack. Here two sysctl also have to tuned to numbers larger than 2000 for libthr and libpthread: kern.threads.max_groups_per_proc kern.threads.max_threads_per_proc David Xu
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