From btanaka@cam.ac.uk Tue Feb 28 09:14:31 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!cam!btanaka From: btanaka@cam.ac.uk (Bruno Tanaka) Newsgroups: comp.sys.m68k Subject: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb28.091431.3645@cam.ac.uk> Date: Tue, 28 Feb 1995 09:14:31 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 11 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. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Bruno Tanaka "The hatch is open. Is anyone listening?" Sun 3/60 (SunOS 4.1.1) / SunOS 4.1.4 From npark@delphi.com Tue Feb 28 21:44:31 1995 Path: ashpoly!cascade!transat!ukc!fennimore!delphi!npark From: npark@delphi.com (Nadine Park) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb28.214431.1281@delphi.com> Date: Tue, 28 Feb 1995 21:44:31 GMT References: <1995Feb28.091431.3645@cam.ac.uk> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb28.091431.3645@cam.ac.uk>, btanaka@cam.ac.uk (Bruno Tanaka) 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. -- Nadine Park Practical Peripherals 14.4 @ 9600 Telebit bps "The carrier frequency does not drift by accident."