From osilva@cmu.edu Tue Feb 14 08:35:56 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!cmu!osilva From: osilva@cmu.edu (Olga Silva) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb14.083556.3207@cmu.edu> Date: Tue, 14 Feb 1995 08:35:56 GMT Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 10 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- Olga Silva Tape trading list upon request. SASE required for international mail. From jkim@titech.ac.jp Tue Feb 14 23:24:56 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!titech!jkim From: jkim@titech.ac.jp (Jen Kim) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb14.232456.4938@titech.ac.jp> Date: Tue, 14 Feb 1995 23:24:56 GMT References: <1995Feb14.083556.3207@cmu.edu> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Feb14.083556.3207@cmu.edu>, osilva@cmu.edu (Olga Silva) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Jen Kim -- Tokyo Institute of Technology Computer Centre "Measuring a record you own is listening, not piracy." From dkarlsson@ox.ac.uk Fri Feb 17 02:59:56 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!ox!dkarlsson From: dkarlsson@ox.ac.uk (Dave Karlsson) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb17.025956.8260@ox.ac.uk> Date: Fri, 17 Feb 1995 02:59:56 GMT References: <1995Feb14.083556.3207@cmu.edu> <1995Feb14.232456.4938@titech.ac.jp> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Feb14.232456.4938@titech.ac.jp>, jkim@titech.ac.jp (Jen Kim) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Dave Karlsson Opinions expressed are solely my own and not those of Oxford University Computing Laboratory. ------------------------------------------------------------ From tpetrov@ox.ac.uk Fri Feb 17 17:19:56 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!ox!tpetrov From: tpetrov@ox.ac.uk (Thiago Petrov) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb17.171956.3377@ox.ac.uk> Date: Fri, 17 Feb 1995 17:19:56 GMT References: <1995Feb14.083556.3207@cmu.edu> <1995Feb14.232456.4938@titech.ac.jp> <1995Feb17.025956.8260@ox.ac.uk> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Feb17.025956.8260@ox.ac.uk>, dkarlsson@ox.ac.uk (Dave Karlsson) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Thiago Petrov | tpetrov@ox.ac.uk PGP Key fingerprint: A8EB 25BD 6931 4EC6 "Keep the channels open." From lgarcia@inria.fr Sat Feb 18 09:36:56 1995 Path: ashpoly!cascade!mxgate!coyoacan!inria!lgarcia From: lgarcia@inria.fr (Lucia García) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb18.093656.6631@inria.fr> Date: Sat, 18 Feb 1995 09:36:56 GMT References: <1995Feb14.083556.3207@cmu.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Feb14.083556.3207@cmu.edu>, osilva@cmu.edu (Olga Silva) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Lucia García -- INRIA Rocquencourt "A soul is not exclusive to biology."