From: Abramo Bagnara <abramo.bagnara@libero.it>
To: Paul Davis <paul@linuxaudiosystems.com>
Cc: "Jaroslav Kysela" <perex@suse.cz>,
"James Courtier-Dutton" <James@superbug.demon.co.uk>,
"\"Dr. med. Günther Montag\"" <Safari.Doktor@addcom.de>,
alsa-devel@lists.sourceforge.net,
hfterm-hackers@lists.sourceforge.net
Subject: Re: ham radio OSS duplex realtime mmap program.
Date: Fri, 26 Sep 2003 18:08:25 +0200 [thread overview]
Message-ID: <3F746479.5040805@libero.it> (raw)
In-Reply-To: <200309261450.h8QEoFGJ011344@oud>
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
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next prev parent reply other threads:[~2003-09-26 16:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-26 11:26 ham radio OSS duplex realtime mmap program Dr. med. Günther Montag
2003-09-26 11:47 ` Paul Davis
2003-09-26 13:52 ` James Courtier-Dutton
2003-09-26 14:33 ` Jaroslav Kysela
2003-09-26 14:50 ` Paul Davis
2003-09-26 16:08 ` Abramo Bagnara [this message]
2003-09-26 16:14 ` Paul Davis
2003-09-26 18:36 ` Steve Harris
2003-09-30 11:39 ` Dr. med. Günther Montag
2003-10-03 11:55 ` bugs found in ham program Günther Montag
2003-09-26 14:23 ` ham radio OSS duplex realtime mmap program Jaroslav Kysela
2003-09-26 14:51 ` James Courtier-Dutton
2003-09-30 11:35 ` [Hfterm-hackers] " Dr. med. Günther Montag
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