From hmartinez@rwth-aachen.de Wed Jul 19 17:47:03 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!rwth-aachen!hmartinez From: hmartinez@rwth-aachen.de (Hugo Martínez) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul19.174703.9441@rwth-aachen.de> Date: Wed, 19 Jul 1995 17:47:03 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de 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. Anyone running this on a Quadra 840AV with the 68040? -- Hugo Martínez Opinions expressed are solely my own and not those of RWTH Aachen Informatik. ------------------------------------------------------------ From nmoreau@kth.se Thu Jul 20 15:13:03 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kth!nmoreau From: nmoreau@kth.se (Nadia Moreau) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul20.151303.5495@kth.se> Date: Thu, 20 Jul 1995 15:13:03 GMT References: <1995Jul19.174703.9441@rwth-aachen.de> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jul19.174703.9441@rwth-aachen.de>, hmartinez@rwth-aachen.de (Hugo Martínez) 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. -- Nadia Moreau "Tape doesn't lie at 02:14. Ears do." Atari Falcon 030 / Linux 1.2.13 From akang@rwth-aachen.de Sat Jul 22 09:17:03 1995 Path: ashpoly!cascade!brgate!saturno!rwth-aachen!akang From: akang@rwth-aachen.de (Aiko Kang) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul22.091703.7649@rwth-aachen.de> Date: Sat, 22 Jul 1995 09:17:03 GMT References: <1995Jul19.174703.9441@rwth-aachen.de> <1995Jul20.151303.5495@kth.se> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jul20.151303.5495@kth.se>, nmoreau@kth.se (Nadia Moreau) 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. -- Aiko Kang *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From dnovak@tum.de Sun Jul 23 03:28:03 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!tum!dnovak From: dnovak@tum.de (Diego Novak) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul23.032803.3873@tum.de> Date: Sun, 23 Jul 1995 03:28:03 GMT References: <1995Jul19.174703.9441@rwth-aachen.de> <1995Jul20.151303.5495@kth.se> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Jul20.151303.5495@kth.se>, nmoreau@kth.se (Nadia Moreau) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Diego Novak Tape trading list upon request. SASE required for international mail. From kperez@illinois.edu Mon Jul 24 12:16:03 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!illinois!kperez From: kperez@illinois.edu (Kirsty Pérez) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul24.121603.8557@illinois.edu> Date: Mon, 24 Jul 1995 12:16:03 GMT References: <1995Jul19.174703.9441@rwth-aachen.de> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul19.174703.9441@rwth-aachen.de>, hmartinez@rwth-aachen.de (Hugo Martínez) 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. -- Kirsty Pérez "The carrier frequency does not drift by accident." Macintosh IIfx / TOS 4.04