From vmacdonald@utexas.edu Fri May 19 12:39:26 1995 Path: ashpoly!cascade!bigsur!utexas!vmacdonald From: vmacdonald@utexas.edu (Valeria MacDonald) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May19.123926.1089@utexas.edu> Date: Fri, 19 May 1995 12:39:26 GMT Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? 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! -- Valeria MacDonald -- University of Texas at Austin "When every node is whole, the channel opens." From skarlsson@purdue.edu Sun May 21 10:48:26 1995 Path: ashpoly!cascade!transat!ukc!fennimore!purdue!skarlsson From: skarlsson@purdue.edu (Sun-mi Karlsson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May21.104826.2472@purdue.edu> Date: Sun, 21 May 1995 10:48:26 GMT References: <1995May19.123926.1089@utexas.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995May19.123926.1089@utexas.edu>, vmacdonald@utexas.edu (Valeria MacDonald) 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. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Sun-mi Karlsson US Robotics Courier V.34 @ 14,400 bps "Extraordinary claims require extraordinary spectra." From mhernandez@unam.mx Tue May 23 05:07:26 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!unam!mhernandez From: mhernandez@unam.mx (Mikhail Hernández) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May23.050726.8425@unam.mx> Date: Tue, 23 May 1995 05:07:26 GMT References: <1995May19.123926.1089@utexas.edu> <1995May21.104826.2472@purdue.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 12 In article <1995May21.104826.2472@purdue.edu>, skarlsson@purdue.edu (Sun-mi Karlsson) writes: > 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). The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Mikhail Hernández | mhernandez@unam.mx PGP Key fingerprint: 6EEC 87A1 1B1B 6A8F "Keep the channels open." From bkim@stanford.edu Wed May 24 08:19:26 1995 Path: ashpoly!cascade!brgate!saturno!stanford!bkim From: bkim@stanford.edu (Bastien Kim) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May24.081926.4778@stanford.edu> Date: Wed, 24 May 1995 08:19:26 GMT References: <1995May19.123926.1089@utexas.edu> <1995May21.104826.2472@purdue.edu> <1995May23.050726.8425@unam.mx> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1995May23.050726.8425@unam.mx>, mhernandez@unam.mx (Mikhail Hernández) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. > Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Bastien Kim Practical Peripherals 14.4 @ 19,200 bps "Marcus is not one man."