From ssato@rwth-aachen.de Fri Mar 18 23:46:03 1994 Path: ashpoly!cascade!bigsur!rwth-aachen!ssato From: ssato@rwth-aachen.de (Seo-yeon Sato) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar18.234603.8754@rwth-aachen.de> Date: Fri, 18 Mar 1994 23:46:03 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: WinVN 0.99.5 Lines: 11 Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). 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! -- Seo-yeon Sato "They will send a copy in my place." PC-9821Ap2 (NEC) / SunOS 4.1.4 From jsuzuki@titech.ac.jp Sat Mar 19 05:26:03 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!titech!jsuzuki From: jsuzuki@titech.ac.jp (Jen Suzuki) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar19.052603.9649@titech.ac.jp> Date: Sat, 19 Mar 1994 05:26:03 GMT References: <1994Mar18.234603.8754@rwth-aachen.de> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Mar18.234603.8754@rwth-aachen.de>, ssato@rwth-aachen.de (Seo-yeon Sato) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Jen Suzuki Opinions expressed are solely my own and not those of Tokyo Institute of Technology Computer Centre. ------------------------------------------------------------ From dnilsson@clari.net Mon Mar 21 07:49:03 1994 Path: ashpoly!cascade!mxgate!coyoacan!clari!dnilsson From: dnilsson@clari.net (Diego Nilsson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar21.074903.6436@clari.net> Date: Mon, 21 Mar 1994 07:49:03 GMT References: <1994Mar18.234603.8754@rwth-aachen.de> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Mar18.234603.8754@rwth-aachen.de>, ssato@rwth-aachen.de (Seo-yeon Sato) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). 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. -- Diego Nilsson "They will send a copy in my place." Amiga 1200 (Blizzard 030/50) / AmigaOS 3.1 From pweber@demon.co.uk Wed Mar 23 04:26:03 1994 Path: ashpoly!cascade!brgate!saturno!demon!pweber From: pweber@demon.co.uk (Pavel Weber) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar23.042603.9445@demon.co.uk> Date: Wed, 23 Mar 1994 04:26:03 GMT References: <1994Mar18.234603.8754@rwth-aachen.de> <1994Mar19.052603.9649@titech.ac.jp> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Mar19.052603.9649@titech.ac.jp>, jsuzuki@titech.ac.jp (Jen Suzuki) 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. -- Pavel Weber *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0