From hivanov@ox.ac.uk Tue Nov 21 07:13:08 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!ox!hivanov From: hivanov@ox.ac.uk (Heather Ivanov) Newsgroups: comp.sys.m68k Subject: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov21.071308.9639@ox.ac.uk> Date: Tue, 21 Nov 1995 07:13:08 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.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. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Heather Ivanov *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From jsuzuki@cmu.edu Thu Nov 23 11:04:08 1995 Path: ashpoly!cascade!bigsur!cmu!jsuzuki From: jsuzuki@cmu.edu (Ji-woo Suzuki) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov23.110408.7157@cmu.edu> Date: Thu, 23 Nov 1995 11:04:08 GMT References: <1995Nov21.071308.9639@ox.ac.uk> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov21.071308.9639@ox.ac.uk>, hivanov@ox.ac.uk (Heather Ivanov) 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. -- Ji-woo Suzuki *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0 From esilva@cmu.edu Sat Nov 25 14:15:08 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!cmu!esilva From: esilva@cmu.edu (Elaine Silva) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov25.141508.9150@cmu.edu> Date: Sat, 25 Nov 1995 14:15:08 GMT References: <1995Nov21.071308.9639@ox.ac.uk> <1995Nov23.110408.7157@cmu.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov23.110408.7157@cmu.edu>, jsuzuki@cmu.edu (Ji-woo Suzuki) 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. -- === Elaine Silva === Dept of Electrical Engineering, Carnegie Mellon University School of CS "There are 14 nodes and only 10 countries. Count again."