From:	Tudor <tudor AT cam DOT org>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: floating point is... fast???
Date:	Sat, 18 Jan 1997 23:08:47 -0800
Organization:	Communications Accesibles Montreal
Lines:	25
Message-ID:	<32E1C87F.1655@cam.org>
References:	<5brd2e$dap AT lyra DOT csx DOT cam DOT ac DOT uk>
Reply-To:	tudor AT cam DOT org
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

G.P. Tootell wrote:
> 
> while using the profiler on some code i had written i noticed that changing a
> floating point multiply to an unsigned multiply of 2 longs turned out to be
> slower. in fact floating point multiply appears to be faster than ordinary
> integer multiply for any case. is this actually true? and if so is there any
> reason i shouldn't just change every multiply in my code to make sure it's
> floating point?
> 
> i don't have my big book of cycles on me so i have no idea how many cycles a fmul
> is sadly.
I don't know about integers but I know that floating point is faster
than fixed point on high end machines like a pentium.But since AFAIK a
fixed point is treated as an int, I guess,yes,they're faster.
-- 
tudor 'at' cam 'dot' org
yoda69 'at' hotmail 'dot' com
http://www.cam.org/~tudor

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