From fpark@ox.ac.uk Tue Apr 18 08:23:53 1995 Path: ashpoly!cascade!mxgate!coyoacan!ox!fpark From: fpark@ox.ac.uk (Freya Park) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr18.082353.5200@ox.ac.uk> Date: Tue, 18 Apr 1995 08:23:53 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 11 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. Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- === Freya Park === Dept of Electrical Engineering, Oxford University Computing Laboratory "The carrier frequency does not drift by accident." From rdubois@demon.co.uk Wed Apr 19 08:17:53 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!demon!rdubois From: rdubois@demon.co.uk (Raj Dubois) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr19.081753.4925@demon.co.uk> Date: Wed, 19 Apr 1995 08:17:53 GMT References: <1995Apr18.082353.5200@ox.ac.uk> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Apr18.082353.5200@ox.ac.uk>, fpark@ox.ac.uk (Freya Park) 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Raj Dubois SupraFAXModem 28.8 @ 19,200 bps "There are 14 nodes and only 10 countries. Count again." From rsato@kiae.su Wed Apr 19 21:24:53 1995 Path: ashpoly!cascade!mxgate!coyoacan!kiae!rsato From: rsato@kiae.su (Renata Sato) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr19.212453.6925@kiae.su> Date: Wed, 19 Apr 1995 21:24:53 GMT References: <1995Apr18.082353.5200@ox.ac.uk> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Apr18.082353.5200@ox.ac.uk>, fpark@ox.ac.uk (Freya Park) 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. -- Renata Sato *PLONK* filter active for trolls. Commodore Amiga 500 (1MB OCS) - NetBSD 1.0 From jschneider@pacbell.net Thu Apr 20 22:05:53 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!pacbell!jschneider From: jschneider@pacbell.net (Joachim Schneider) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr20.220553.9078@pacbell.net> Date: Thu, 20 Apr 1995 22:05:53 GMT References: <1995Apr18.082353.5200@ox.ac.uk> <1995Apr19.081753.4925@demon.co.uk> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Apr19.081753.4925@demon.co.uk>, rdubois@demon.co.uk (Raj Dubois) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Top-posters will be placed in my ~/.killfile without notice. -- Joachim Schneider Tape trading list upon request. SASE required for international mail. From vlaurent@uni-hamburg.de Sat Apr 22 15:29:53 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!uni-hamburg!vlaurent From: vlaurent@uni-hamburg.de (Valeria Laurent) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr22.152953.3396@uni-hamburg.de> Date: Sat, 22 Apr 1995 15:29:53 GMT References: <1995Apr18.082353.5200@ox.ac.uk> <1995Apr19.081753.4925@demon.co.uk> <1995Apr20.220553.9078@pacbell.net> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Apr20.220553.9078@pacbell.net>, jschneider@pacbell.net (Joachim Schneider) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. > Top-posters will be placed in my ~/.killfile without notice. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- === Valeria Laurent === Dept of Electrical Engineering, Universität Hamburg Fachbereich Informatik "Row 14. No joke."