From dlee@cam.ac.uk Wed Sep 28 00:51:43 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cam!dlee From: dlee@cam.ac.uk (Dmitri Lee) Newsgroups: comp.sys.m68k Subject: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep28.005143.5432@cam.ac.uk> Date: Wed, 28 Sep 1994 00:51:43 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: Netscape 1.1N Lines: 11 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Dmitri Lee *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From jlaurent@delphi.com Thu Sep 29 12:51:43 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!delphi!jlaurent From: jlaurent@delphi.com (Ji-woo Laurent) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep29.125143.3517@delphi.com> Date: Thu, 29 Sep 1994 12:51:43 GMT References: <1994Sep28.005143.5432@cam.ac.uk> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1994Sep28.005143.5432@cam.ac.uk>, dlee@cam.ac.uk (Dmitri Lee) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Ji-woo Laurent Opinions expressed are solely my own and not those of Delphi Internet Services. ------------------------------------------------------------ From dpopov@pipeline.com Fri Sep 30 01:35:43 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!pipeline!dpopov From: dpopov@pipeline.com (Diego Popov) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep30.013543.1276@pipeline.com> Date: Fri, 30 Sep 1994 01:35:43 GMT References: <1994Sep28.005143.5432@cam.ac.uk> <1994Sep29.125143.3517@delphi.com> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Sep29.125143.3517@delphi.com>, jlaurent@delphi.com (Ji-woo Laurent) 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. -- Diego Popov "Measuring a record you own is listening, not piracy." Amiga 3000T / System 7.5.1