Date: Mon, 28 Mar 2005 23:23:19 -0800 From: David Leimbach <dleimbac@gmail.com> To: hackers@freebsd.org Subject: Fwd: 5-STABLE kernel build with icc broken Message-ID: <5bbfe7d405032823232103d537@mail.gmail.com> In-Reply-To: <5bbfe7d405032823144fc1af7b@mail.gmail.com> References: <423C15C5.6040902@fsn.hu> <20050327133059.3d68a78c@Magellan.Leidinger.net> <20050327134044.GM78512@silverwraith.com> <20050327162839.2fafa6aa@Magellan.Leidinger.net> <5bbfe7d405032823144fc1af7b@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
meant to send this to the list too... sorry > Are you implying DragonFly uses FPU/SIMD? For that matter does any kernel? I believe it does use SIMD for some of it's fast memcopy stuff for it's messaging system actually. I remember Matt saying he was working on it. http://leaf.dragonflybsd.org/mailarchive/kernel/2004-04/msg00262.html If you can manage the alignment issues it can be a huge win. Dave > > Thanks, > jason > > > - optimizations for Intel CPUs direct from the manufacturer of the CPU > > (they have a lot of interest to produce very fast code) > > - a different set of compiler warnings > > - better code quality (if is compilable by more than one compiler it > > may be more portable) > > > >Icc already pointed out some bad code (asm code in the IP checksumming > >code... DragonFly changed it already), and the panic as noticed above > >may also be an indication that we have some code in the tree which > >smells bad. > > > >Bye, > >Alexander. > > > > > > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5bbfe7d405032823232103d537>