From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abramo Bagnara Subject: Re: ham radio OSS duplex realtime mmap program. Date: Fri, 26 Sep 2003 18:08:25 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <3F746479.5040805@libero.it> References: <200309261450.h8QEoFGJ011344@oud> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200309261450.h8QEoFGJ011344@oud> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Paul Davis Cc: Jaroslav Kysela , James Courtier-Dutton , =?ISO-8859-1?Q?=22Dr=2E_med=2E_G=FCnther_Montag=22?= , alsa-devel@lists.sourceforge.net, hfterm-hackers@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Paul Davis ha scritto: >>By the way, does JACK still rely on the float samples internally? Then it >>is not a good solution for the soft-modem application (driver) where >>everything should be highly optimized. > > > it does. on most modern CPUs, the FPU is as fast or faster than the > integer unit for arithmetic. the optimized float<->int/short According to my measurement your belief is definitely false for add/sub, sometimes true for mul and very likely true for div. -- Abramo Bagnara mailto:abramo.bagnara@libero.it Opera Unica Phone: +39.546.656023 Via Emilia Interna, 140 48014 Castel Bolognese (RA) - Italy ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf