From mhughes@pacbell.net Thu Jun 08 04:33:55 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!pacbell!mhughes From: mhughes@pacbell.net (Marta Hughes) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jun08.043355.7041@pacbell.net> Date: Thu, 08 Jun 1995 04:33:55 GMT Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 11 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. Anyone running this on a Quadra 840AV with the 68040? -- Marta Hughes "In theory there is no difference between theory and practice." Sun SparcStation 20 / TOS 4.04 From mkuznetsov@illinois.edu Sat Jun 10 05:52:55 1995 Path: ashpoly!cascade!mxgate!coyoacan!illinois!mkuznetsov From: mkuznetsov@illinois.edu (Mike Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jun10.055255.2048@illinois.edu> Date: Sat, 10 Jun 1995 05:52:55 GMT References: <1995Jun08.043355.7041@pacbell.net> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jun08.043355.7041@pacbell.net>, mhughes@pacbell.net (Marta Hughes) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Mike Kuznetsov *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From blarsson@demon.co.uk Sun Jun 11 08:35:55 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!demon!blarsson From: blarsson@demon.co.uk (Bill Larsson) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jun11.083555.2648@demon.co.uk> Date: Sun, 11 Jun 1995 08:35:55 GMT References: <1995Jun08.043355.7041@pacbell.net> <1995Jun10.055255.2048@illinois.edu> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jun10.055255.2048@illinois.edu>, mkuznetsov@illinois.edu (Mike Kuznetsov) 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. -- === Bill Larsson === Dept of Electrical Engineering, Demon Internet Services UK "Measuring a record you own is listening, not piracy."