Date: Fri, 8 Jul 2005 16:40:28 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Luigi Rizzo <rizzo@icir.org> Cc: Greg 'groggy' Lehey <grog@freebsd.org>, multimedia@freebsd.org Subject: Re: Best processor for multimedia? Message-ID: <20050708074028.GE16674@rndsoft.co.kr> In-Reply-To: <20050708000647.C1247@xorpc.icir.org> References: <20050708053845.GL19707@wantadilla.lemis.com> <20050708000647.C1247@xorpc.icir.org>
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On Fri, Jul 08, 2005 at 12:06:47AM -0700, Luigi Rizzo wrote: > On Fri, Jul 08, 2005 at 03:08:45PM +0930, Greg 'groggy' Lehey wrote: > > I'm thinking of building a new, quite fast system for multimedia, > > notably displaying MPEGs. I'm currently using mplayer on an Athlon > > 1700, and from time to time there are hiccoughs. Processors are cheap > > apart from the obvious optimizations (such as using mplayer compiled > for the specific flags for your CPU) i believe the hiccups are more > likely due to CPU and disk not being available when you need, rather > than raw CPU speed (above a certain level, that is). I'd try to > tweak process priority and things such as HZ and kern.quantum. > I agree. Have you tried recent -CURRENT which has the jeff's enhancements(vfs_bio.c rev. 1.487) for audio playback? See http://lists.freebsd.org/pipermail/freebsd-current/2005-June/051103.html. If you still suffer from hiccup, I'd like to know which H/W and driver you tried. -- Regards, Pyun YongHyeon
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