From tvasiliev@kth.se Fri Nov 03 06:04:04 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!kth!tvasiliev From: tvasiliev@kth.se (Tomas Vasiliev) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov03.060404.6642@kth.se> Date: Fri, 03 Nov 1995 06:04:04 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: NewsWatcher 2.0b24 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. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- Tomas Vasiliev *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0 From smoreau@panix.com Sat Nov 04 18:40:04 1995 Path: ashpoly!cascade!mxgate!coyoacan!panix!smoreau From: smoreau@panix.com (Sven Moreau) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov04.184004.6963@panix.com> Date: Sat, 04 Nov 1995 18:40:04 GMT References: <1995Nov03.060404.6642@kth.se> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1995Nov03.060404.6642@kth.se>, tvasiliev@kth.se (Tomas Vasiliev) 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. PGP Public key available via finger or upon request. -- Sven Moreau Zyxel U-1496E @ 19,200 bps "When every node is whole, the channel opens." From sokonkwo@uu.net Mon Nov 06 14:34:04 1995 Path: ashpoly!cascade!brgate!saturno!uu!sokonkwo From: sokonkwo@uu.net (Sun-mi Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov06.143404.7495@uu.net> Date: Mon, 06 Nov 1995 14:34:04 GMT References: <1995Nov03.060404.6642@kth.se> <1995Nov04.184004.6963@panix.com> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov04.184004.6963@panix.com>, smoreau@panix.com (Sven Moreau) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. > PGP Public key available via finger or upon request. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Sun-mi Okonkwo -- UUNET Technologies, Falls Church VA "Tape doesn't lie at 02:14. Ears do." From tkang@uu.net Mon Nov 06 16:35:04 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!uu!tkang From: tkang@uu.net (Tomas Kang) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov06.163504.5891@uu.net> Date: Mon, 06 Nov 1995 16:35:04 GMT References: <1995Nov03.060404.6642@kth.se> <1995Nov04.184004.6963@panix.com> <1995Nov06.143404.7495@uu.net> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Nov06.143404.7495@uu.net>, sokonkwo@uu.net (Sun-mi Okonkwo) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Tomas Kang US Robotics Courier V.34 @ 9600 Telebit bps "Measuring a record you own is listening, not piracy." From atakahashi@uni-hamburg.de Mon Nov 06 18:08:04 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!uni-hamburg!atakahashi From: atakahashi@uni-hamburg.de (Anton Takahashi) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Nov06.180804.4794@uni-hamburg.de> Date: Mon, 06 Nov 1995 18:08:04 GMT References: <1995Nov03.060404.6642@kth.se> <1995Nov04.184004.6963@panix.com> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov04.184004.6963@panix.com>, smoreau@panix.com (Sven Moreau) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. > PGP Public key available via finger or upon request. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Anton Takahashi Zyxel U-1496E @ 9600 Telebit bps "The carrier frequency does not drift by accident."