From jsato@kiae.su Sat Dec 02 08:11:50 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kiae!jsato From: jsato@kiae.su (Jens Sato) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec02.081150.6277@kiae.su> Date: Sat, 02 Dec 1995 08:11:50 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] 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. Anyone running this on a Quadra 840AV with the 68040? -- Jens Sato "When every node is whole, the channel opens." Amiga 3000T / FreeBSD 2.1 From jivanov@panix.com Sat Dec 02 13:21:50 1995 Path: ashpoly!cascade!bigsur!panix!jivanov From: jivanov@panix.com (Joachim Ivanov) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec02.132150.2159@panix.com> Date: Sat, 02 Dec 1995 13:21:50 GMT References: <1995Dec02.081150.6277@kiae.su> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Dec02.081150.6277@kiae.su>, jsato@kiae.su (Jens Sato) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Joachim Ivanov Opinions expressed are solely my own and not those of Public Access Unix of New York. ------------------------------------------------------------ From kfischer@rwth-aachen.de Sun Dec 03 12:08:50 1995 Path: ashpoly!cascade!brgate!saturno!rwth-aachen!kfischer From: kfischer@rwth-aachen.de (Karen Fischer) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec03.120850.3972@rwth-aachen.de> Date: Sun, 03 Dec 1995 12:08:50 GMT References: <1995Dec02.081150.6277@kiae.su> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Dec02.081150.6277@kiae.su>, jsato@kiae.su (Jens Sato) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Karen Fischer | kfischer@rwth-aachen.de PGP Key fingerprint: 78D0 1F2F D1D0 7EAC "Keep the channels open."