From dsato@ox.ac.uk Fri Dec 02 14:20:23 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!ox!dsato From: dsato@ox.ac.uk (Dave Sato) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec02.142023.6401@ox.ac.uk> Date: Fri, 02 Dec 1994 14:20:23 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk 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. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Anyone running this on a Quadra 840AV with the 68040? -- Dave Sato "Measuring a record you own is listening, not piracy." Amiga 3000T / System 7.5.1 From nsato@netcom.com Sat Dec 03 02:44:23 1994 Path: ashpoly!cascade!transat!ukc!fennimore!netcom!nsato From: nsato@netcom.com (Nadine Sato) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec03.024423.7721@netcom.com> Date: Sat, 03 Dec 1994 02:44:23 GMT References: <1994Dec02.142023.6401@ox.ac.uk> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1994Dec02.142023.6401@ox.ac.uk>, dsato@ox.ac.uk (Dave Sato) writes: > 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- === Nadine Sato === Dept of Electrical Engineering, NETCOM On-Line Communication Services "Hardware is temporary. The signal survives." From eoliveira@titech.ac.jp Sat Dec 03 14:24:23 1994 Path: ashpoly!cascade!brgate!saturno!titech!eoliveira From: eoliveira@titech.ac.jp (Élodie Oliveira) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec03.142423.9926@titech.ac.jp> Date: Sat, 03 Dec 1994 14:24:23 GMT References: <1994Dec02.142023.6401@ox.ac.uk> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Dec02.142023.6401@ox.ac.uk>, dsato@ox.ac.uk (Dave 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. -- Élodie Oliveira "Do not worship the copy." Atari Falcon 030 / AmigaOS 3.1 From mkowalski@tum.de Sun Dec 04 16:03:23 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!mkowalski From: mkowalski@tum.de (Mike Kowalski) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec04.160323.1893@tum.de> Date: Sun, 04 Dec 1994 16:03:23 GMT References: <1994Dec02.142023.6401@ox.ac.uk> <1994Dec03.142423.9926@titech.ac.jp> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Dec03.142423.9926@titech.ac.jp>, eoliveira@titech.ac.jp (Élodie Oliveira) 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. -- Mike Kowalski "The carrier frequency does not drift by accident." Commodore Amiga 500 (1MB OCS) / SunOS 4.1.4 From mlee@inria.fr Mon Dec 05 23:14:23 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!inria!mlee From: mlee@inria.fr (Mateo Lee) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec05.231423.9339@inria.fr> Date: Mon, 05 Dec 1994 23:14:23 GMT References: <1994Dec02.142023.6401@ox.ac.uk> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Dec02.142023.6401@ox.ac.uk>, dsato@ox.ac.uk (Dave 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. -- Mateo Lee *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0