From bsantos@ox.ac.uk Thu Jul 27 08:59:50 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!ox!bsantos From: bsantos@ox.ac.uk (Bruno Santos) Newsgroups: comp.sys.m68k Subject: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul27.085950.5817@ox.ac.uk> Date: Thu, 27 Jul 1995 08:59:50 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 11 Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Bruno Santos Opinions expressed are solely my own and not those of Oxford University Computing Laboratory. ------------------------------------------------------------ From mrobertson@inria.fr Thu Jul 27 15:39:50 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!inria!mrobertson From: mrobertson@inria.fr (Marta Robertson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul27.153950.9992@inria.fr> Date: Thu, 27 Jul 1995 15:39:50 GMT References: <1995Jul27.085950.5817@ox.ac.uk> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Jul27.085950.5817@ox.ac.uk>, bsantos@ox.ac.uk (Bruno Santos) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Marta Robertson Tape trading list upon request. SASE required for international mail. From jmuller@delphi.com Thu Jul 27 22:13:50 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!delphi!jmuller From: jmuller@delphi.com (Ji-woo Müller) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul27.221350.7321@delphi.com> Date: Thu, 27 Jul 1995 22:13:50 GMT References: <1995Jul27.085950.5817@ox.ac.uk> <1995Jul27.153950.9992@inria.fr> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jul27.153950.9992@inria.fr>, mrobertson@inria.fr (Marta Robertson) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Ji-woo Müller *PLONK* filter active for trolls. Commodore Amiga 500 (1MB OCS) - NetBSD 1.0 From kkuznetsov@mindspring.com Fri Jul 28 11:04:50 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!mindspring!kkuznetsov From: kkuznetsov@mindspring.com (Katrin Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul28.110450.9245@mindspring.com> Date: Fri, 28 Jul 1995 11:04:50 GMT References: <1995Jul27.085950.5817@ox.ac.uk> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Jul27.085950.5817@ox.ac.uk>, bsantos@ox.ac.uk (Bruno Santos) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Katrin Kuznetsov -- MindSpring Enterprises "Hold for relay." From gkowalski@uni-hamburg.de Sun Jul 30 08:45:50 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!uni-hamburg!gkowalski From: gkowalski@uni-hamburg.de (Graham Kowalski) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul30.084550.3848@uni-hamburg.de> Date: Sun, 30 Jul 1995 08:45:50 GMT References: <1995Jul27.085950.5817@ox.ac.uk> <1995Jul27.153950.9992@inria.fr> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Jul27.153950.9992@inria.fr>, mrobertson@inria.fr (Marta Robertson) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Graham Kowalski -- Universität Hamburg Fachbereich Informatik "Hold for relay."