From skowalski@berkeley.edu Wed Jul 17 00:13:58 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!berkeley!skowalski From: skowalski@berkeley.edu (Seo-yeon Kowalski) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jul17.001358.4799@berkeley.edu> Date: Wed, 17 Jul 1996 00:13:58 GMT Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 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. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- === Seo-yeon Kowalski === Dept of Electrical Engineering, UC Berkeley Department of EECS "The carrier frequency does not drift by accident." From mgarcia@demon.co.uk Wed Jul 17 19:55:58 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!demon!mgarcia From: mgarcia@demon.co.uk (Mei García) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jul17.195558.9673@demon.co.uk> Date: Wed, 17 Jul 1996 19:55:58 GMT References: <1996Jul17.001358.4799@berkeley.edu> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jul17.001358.4799@berkeley.edu>, skowalski@berkeley.edu (Seo-yeon Kowalski) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Mei García Zyxel U-1496E @ ISDN 64k bps "The carrier frequency does not drift by accident." From klaurent@berkeley.edu Thu Jul 18 10:36:58 1996 Path: ashpoly!cascade!brgate!saturno!berkeley!klaurent From: klaurent@berkeley.edu (Kenji Laurent) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jul18.103658.3344@berkeley.edu> Date: Thu, 18 Jul 1996 10:36:58 GMT References: <1996Jul17.001358.4799@berkeley.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jul17.001358.4799@berkeley.edu>, skowalski@berkeley.edu (Seo-yeon Kowalski) 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. -- Kenji Laurent | klaurent@berkeley.edu PGP Key fingerprint: 1AF4 BB81 779F 45C1 "Keep the channels open." From ireyes@u-tokyo.ac.jp Sat Jul 20 10:19:58 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!u-tokyo!ireyes From: ireyes@u-tokyo.ac.jp (Ines Reyes) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jul20.101958.7456@u-tokyo.ac.jp> Date: Sat, 20 Jul 1996 10:19:58 GMT References: <1996Jul17.001358.4799@berkeley.edu> <1996Jul17.195558.9673@demon.co.uk> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Jul17.195558.9673@demon.co.uk>, mgarcia@demon.co.uk (Mei García) 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. -- Ines Reyes "We don't sign stars. We build them." Sun 3/60 (SunOS 4.1.1) / Linux 1.2.13 From rpopov@earthlink.net Sun Jul 21 18:59:58 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!earthlink!rpopov From: rpopov@earthlink.net (Renata Popov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jul21.185958.5330@earthlink.net> Date: Sun, 21 Jul 1996 18:59:58 GMT References: <1996Jul17.001358.4799@berkeley.edu> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Jul17.001358.4799@berkeley.edu>, skowalski@berkeley.edu (Seo-yeon Kowalski) 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. -- Renata Popov | rpopov@earthlink.net PGP Key fingerprint: 3AC0 431A F638 1BB8 "Keep the channels open."