From npopov@panix.com Tue Nov 14 08:22:27 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!panix!npopov From: npopov@panix.com (Nadine Popov) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov14.082227.8301@panix.com> Date: Tue, 14 Nov 1995 08:22:27 GMT Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: WinVN 0.99.5 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. Anyone running this on a Quadra 840AV with the 68040? -- Nadine Popov Tape trading list upon request. SASE required for international mail. From dpark@hanse.de Tue Nov 14 14:09:27 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!hanse!dpark From: dpark@hanse.de (Dmitri Park) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov14.140927.4185@hanse.de> Date: Tue, 14 Nov 1995 14:09:27 GMT References: <1995Nov14.082227.8301@panix.com> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1995Nov14.082227.8301@panix.com>, npopov@panix.com (Nadine Popov) writes: > 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. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- === Dmitri Park === Dept of Electrical Engineering, Hanse-Netzwerk Hamburg "We don't sign stars. We build them." From tkowalski@kth.se Wed Nov 15 17:49:27 1995 Path: ashpoly!cascade!transat!ukc!fennimore!kth!tkowalski From: tkowalski@kth.se (Takeshi Kowalski) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov15.174927.8802@kth.se> Date: Wed, 15 Nov 1995 17:49:27 GMT References: <1995Nov14.082227.8301@panix.com> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Nov14.082227.8301@panix.com>, npopov@panix.com (Nadine Popov) writes: > 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Takeshi Kowalski US Robotics Courier V.34 @ 33,600 bps "They will send a copy in my place."