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Article #1774

Re: PD Fortran Compilers

#1774
From: Paul F. Kunz
Date: Wed, 27 Jan 1993 04:07
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>>>>> On 14 Jan 93 20:12:54 GMT, billd@88open.ORG (Bill Dorsey) said:

> Can anyone tell me if there are any free fortran compilers that will
> work on a NeXTstation?  I've checked archie, and the only thing it
> came up with was something for a PC.

> I've tried f2c on the application I'm working on.  The biggest problem
> I have with it is that the code it produces (at least on a Sparcstation)
> is _much_ less efficient than that which is compiled directly by the
> fortran compiler.  Given that this program needs to do a significant
> amount of computation in real-time, performance is absolutely critical
> for me.  Short of completely re-writing the code in C (which will be
> my last resort), I'd like to try compiling it directly in fortran next.

   I've heard stories from f2c producing 30% faster code then a
vendor's compiler to 30% slower code than the vendor's compiler.  I've
not heard stories of f2c being _much_ less efficient, where for me
much less efficient means a factor of 2 (100%) more or less efficient.
IMHO, f2c is a darn good compiler, on any platform.
--
Paul F. Kunz	pfkeb@slac.stanford.edu (NeXT mail ok)
Stanford Linear Accelerator Center, Stanford University
Voice: (415) 926-2884   (NeXT) Fax: (415) 926-3587
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References: <1993Jan14.201254.13632@88open.ORG>

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From: pfkeb@kaon.SLAC.Stanford.EDU (Paul F. Kunz)
Subject: Re: PD Fortran Compilers
In-Reply-To: billd@88open.ORG's message of 14 Jan 93 20:12:54 GMT
Message-ID: <PFKEB.93Jan26200712@kaon.SLAC.Stanford.EDU>
Lines: 23
Sender: news@unixhub.SLAC.Stanford.EDU
Organization: Stanford Linear Accelerator Center
References: <1993Jan14.201254.13632@88open.ORG>
Date: Wed, 27 Jan 1993 04:07:13 GMT