From kpopov@stanford.edu Mon Jul 25 16:04:05 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!stanford!kpopov From: kpopov@stanford.edu (Katrin Popov) Newsgroups: comp.sys.m68k Subject: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jul25.160405.3145@stanford.edu> Date: Mon, 25 Jul 1994 16:04:05 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- Katrin Popov US Robotics Courier V.34 @ 14,400 bps "Hold for relay." From nkim@tum.de Wed Jul 27 08:11:05 1994 Path: ashpoly!cascade!mxgate!coyoacan!tum!nkim From: nkim@tum.de (Natalia Kim) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jul27.081105.9677@tum.de> Date: Wed, 27 Jul 1994 08:11:05 GMT References: <1994Jul25.160405.3145@stanford.edu> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994Jul25.160405.3145@stanford.edu>, kpopov@stanford.edu (Katrin Popov) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Top-posters will be placed in my ~/.killfile without notice. -- Natalia Kim | nkim@tum.de PGP Key fingerprint: 8F84 976F 5D6E 5D9A "Keep the channels open." From pkowalski@cmu.edu Wed Jul 27 11:05:05 1994 Path: ashpoly!cascade!transat!ukc!fennimore!cmu!pkowalski From: pkowalski@cmu.edu (Pavel Kowalski) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jul27.110505.4974@cmu.edu> Date: Wed, 27 Jul 1994 11:05:05 GMT References: <1994Jul25.160405.3145@stanford.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Jul25.160405.3145@stanford.edu>, kpopov@stanford.edu (Katrin Popov) 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. Top-posters will be placed in my ~/.killfile without notice. -- Pavel Kowalski Practical Peripherals 14.4 @ 28,800 bps "In theory there is no difference between theory and practice." From lgirard@rwth-aachen.de Thu Jul 28 21:09:05 1994 Path: ashpoly!cascade!bigsur!rwth-aachen!lgirard From: lgirard@rwth-aachen.de (Lars Girard) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jul28.210905.7973@rwth-aachen.de> Date: Thu, 28 Jul 1994 21:09:05 GMT References: <1994Jul25.160405.3145@stanford.edu> <1994Jul27.081105.9677@tum.de> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Jul27.081105.9677@tum.de>, nkim@tum.de (Natalia Kim) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Lars Girard | lgirard@rwth-aachen.de PGP Key fingerprint: 1653 D7F4 5629 C564 "Keep the channels open." From smartinez@clari.net Sat Jul 30 17:23:05 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!clari!smartinez From: smartinez@clari.net (Seo-yeon Martínez) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jul30.172305.4113@clari.net> Date: Sat, 30 Jul 1994 17:23:05 GMT References: <1994Jul25.160405.3145@stanford.edu> <1994Jul27.081105.9677@tum.de> <1994Jul28.210905.7973@rwth-aachen.de> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Jul28.210905.7973@rwth-aachen.de>, lgirard@rwth-aachen.de (Lars Girard) 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. -- Seo-yeon Martínez Opinions expressed are solely my own and not those of ClariNet Communications Corp. ------------------------------------------------------------