Date: Mon, 3 Mar 2008 18:33:27 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Peter Jeremy <peterjeremy@optushome.com.au> Cc: src-committers@freebsd.org, cvs-src@freebsd.org, Jeff Roberson <jeff@freebsd.org>, cvs-all@freebsd.org, David Xu <davidxu@freebsd.org>, Jeff Roberson <jroberson@chesapeake.net> Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h Message-ID: <20080303183225.W82170@fledge.watson.org> In-Reply-To: <20080303182453.GE90593@server.vk2pj.dyndns.org> References: <200803020741.m227fAoJ039644@repoman.freebsd.org> <47CB6FB0.9040602@freebsd.org> <20080302183513.P920@desktop> <47CB82A6.4040903@freebsd.org> <20080303022403.Y920@desktop> <20080303182453.GE90593@server.vk2pj.dyndns.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 4 Mar 2008, Peter Jeremy wrote: > On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote: >> it. After all 1024 cpus should be enough forever.. ;) > > I notice the smiley but... Based on Sun's claims, they should have 1024 > thread boxes in 4-6 years. They have 64-thread boxes now (8 core x 8 > thread) [*] and have said they'll double threads/chip every 12-18 months. > > [*] I thought there was a dual-chip T5xxx which would have 128 threads) > but it doesn't show up. It's also instructive to look at scalability issues in file descriptor related interfaces in userspace, which have a similar bitmask structure for things like select(), etc with fixed-size arrays. Robert N M Watson Computer Laboratory University of Cambridge
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080303183225.W82170>