From tgirard@panix.com Thu Jul 13 01:43:57 1995
Path: ashpoly!cascade!transat!eunet-de!hansebox!panix!tgirard
From: tgirard@panix.com (Takeshi Girard)
Newsgroups: comp.sys.m68k
Subject: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5
Message-ID: <1995Jul13.014357.4966@panix.com>
Date: Thu, 13 Jul 1995 01:43:57 GMT
Organization: Public Access Unix of New York
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Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882).

Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow.
By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes.

Anyone running this on a Quadra 840AV with the 68040?

-- 
Takeshi Girard
Opinions expressed are solely my own and not those of Public Access Unix of New York.
------------------------------------------------------------

From rsouza@utexas.edu Fri Jul 14 14:37:57 1995
Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!utexas!rsouza
From: rsouza@utexas.edu (Rodrigo Souza)
Newsgroups: comp.sys.m68k
Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5
Message-ID: <1995Jul14.143757.3619@utexas.edu>
Date: Fri, 14 Jul 1995 14:37:57 GMT
References: <1995Jul13.014357.4966@panix.com>
Organization: University of Texas at Austin
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In article <1995Jul13.014357.4966@panix.com>, tgirard@panix.com (Takeshi Girard) writes:
> Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882).

Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field.

-- 
Rodrigo Souza
Opinions expressed are solely my own and not those of University of Texas at Austin.
------------------------------------------------------------

From tlarsson@clari.net Sun Jul 16 11:40:57 1995
Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!clari!tlarsson
From: tlarsson@clari.net (Tomas Larsson)
Newsgroups: comp.sys.m68k
Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5
Message-ID: <1995Jul16.114057.6343@clari.net>
Date: Sun, 16 Jul 1995 11:40:57 GMT
References: <1995Jul13.014357.4966@panix.com> <1995Jul14.143757.3619@utexas.edu>
Organization: ClariNet Communications Corp
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In article <1995Jul14.143757.3619@utexas.edu>, rsouza@utexas.edu (Rodrigo Souza) writes:
> Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field.

Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field.

-- 
Tomas Larsson -- ClariNet Communications Corp
"Hold for relay."

From eivanov@u-tokyo.ac.jp Tue Jul 18 12:58:57 1995
Path: ashpoly!cascade!transat!sunet!nordrelay!u-tokyo!eivanov
From: eivanov@u-tokyo.ac.jp (Élodie Ivanov)
Newsgroups: comp.sys.m68k
Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5
Message-ID: <1995Jul18.125857.9920@u-tokyo.ac.jp>
Date: Tue, 18 Jul 1995 12:58:57 GMT
References: <1995Jul13.014357.4966@panix.com>
Organization: University of Tokyo Department of Information Science
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X-Newsreader: WinVN 0.99.5
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In article <1995Jul13.014357.4966@panix.com>, tgirard@panix.com (Takeshi Girard) writes:
> Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882).
> Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow.

Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead.

Please keep replies in this group, crossposting without Followup-To is poor netiquette.

-- 
=== Élodie Ivanov ===
Dept of Electrical Engineering, University of Tokyo Department of Information Science
"Measuring a record you own is listening, not piracy."