From dmoreno@mindspring.com Mon Jun 13 18:14:21 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!mindspring!dmoreno From: dmoreno@mindspring.com (Dmitri Moreno) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun13.181421.6915@mindspring.com> Date: Mon, 13 Jun 1994 18:14:21 GMT Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Anyone running this on a Quadra 840AV with the 68040? -- Dmitri Moreno *PLONK* filter active for trolls. Macintosh IIfx - NetBSD 1.0 From bduarte@netcom.com Wed Jun 15 00:52:21 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!netcom!bduarte From: bduarte@netcom.com (Brian Duarte) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun15.005221.2202@netcom.com> Date: Wed, 15 Jun 1994 00:52:21 GMT References: <1994Jun13.181421.6915@mindspring.com> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1994Jun13.181421.6915@mindspring.com>, dmoreno@mindspring.com (Dmitri Moreno) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Top-posters will be placed in my ~/.killfile without notice. -- Brian Duarte Tape trading list upon request. SASE required for international mail. From ssmirnov@hanse.de Thu Jun 16 06:40:21 1994 Path: ashpoly!cascade!mxgate!coyoacan!hanse!ssmirnov From: ssmirnov@hanse.de (Sergei Smirnov) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun16.064021.6220@hanse.de> Date: Thu, 16 Jun 1994 06:40:21 GMT References: <1994Jun13.181421.6915@mindspring.com> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Jun13.181421.6915@mindspring.com>, dmoreno@mindspring.com (Dmitri Moreno) 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. -- Sergei Smirnov Hayes Optima 288 @ 33,600 bps "We don't sign stars. We build them." From mfischer@cam.ac.uk Thu Jun 16 18:29:21 1994 Path: ashpoly!cascade!bigsur!cam!mfischer From: mfischer@cam.ac.uk (Min-jun Fischer) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun16.182921.3985@cam.ac.uk> Date: Thu, 16 Jun 1994 18:29:21 GMT References: <1994Jun13.181421.6915@mindspring.com> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Jun13.181421.6915@mindspring.com>, dmoreno@mindspring.com (Dmitri Moreno) 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. -- === Min-jun Fischer === Dept of Electrical Engineering, University of Cambridge Computer Laboratory "The hatch is open. Is anyone listening?"