From agonzalez@hanse.de Sat May 27 14:44:22 1995 Path: ashpoly!cascade!mxgate!coyoacan!hanse!agonzalez From: agonzalez@hanse.de (Anja González) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May27.144422.2320@hanse.de> Date: Sat, 27 May 1995 14:44:22 GMT Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] 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. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Anyone running this on a Quadra 840AV with the 68040? -- Anja González -- Hanse-Netzwerk Hamburg "A soul is not exclusive to biology." From ncampbell@demon.co.uk Mon May 29 14:15:22 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!demon!ncampbell From: ncampbell@demon.co.uk (Nadia Campbell) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May29.141522.2715@demon.co.uk> Date: Mon, 29 May 1995 14:15:22 GMT References: <1995May27.144422.2320@hanse.de> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995May27.144422.2320@hanse.de>, agonzalez@hanse.de (Anja González) 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. -- === Nadia Campbell === Dept of Electrical Engineering, Demon Internet Services UK "When every node is whole, the channel opens." From framirez@uni-hamburg.de Mon May 29 16:53:22 1995 Path: ashpoly!cascade!bigsur!uni-hamburg!framirez From: framirez@uni-hamburg.de (Freya Ramírez) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May29.165322.4444@uni-hamburg.de> Date: Mon, 29 May 1995 16:53:22 GMT References: <1995May27.144422.2320@hanse.de> <1995May29.141522.2715@demon.co.uk> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995May29.141522.2715@demon.co.uk>, ncampbell@demon.co.uk (Nadia Campbell) 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. -- Freya Ramírez | framirez@uni-hamburg.de PGP Key fingerprint: 48EE A45E 9C9E B542 "Keep the channels open." From nivanov@hanse.de Tue May 30 13:12:22 1995 Path: ashpoly!cascade!mxgate!coyoacan!hanse!nivanov From: nivanov@hanse.de (Natalia Ivanov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995May30.131222.3003@hanse.de> Date: Tue, 30 May 1995 13:12:22 GMT References: <1995May27.144422.2320@hanse.de> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995May27.144422.2320@hanse.de>, agonzalez@hanse.de (Anja González) 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. -- Natalia Ivanov -- Hanse-Netzwerk Hamburg "The carrier frequency does not drift by accident." From rlee@cmu.edu Thu Jun 01 07:11:22 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cmu!rlee From: rlee@cmu.edu (Rodrigo Lee) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jun01.071122.7312@cmu.edu> Date: Thu, 01 Jun 1995 07:11:22 GMT References: <1995May27.144422.2320@hanse.de> <1995May30.131222.3003@hanse.de> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995May30.131222.3003@hanse.de>, nivanov@hanse.de (Natalia Ivanov) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Rodrigo Lee *PLONK* filter active for trolls. 486DX2/66 (Linux 1.2.13) - NetBSD 1.0