From jlopez@uu.net Sat Dec 10 04:12:24 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!uu!jlopez From: jlopez@uu.net (Julien López) Newsgroups: comp.sys.m68k Subject: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec10.041224.8034@uu.net> Date: Sat, 10 Dec 1994 04:12:24 GMT Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net 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). Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. 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. -- Julien López "There are 14 nodes and only 10 countries. Count again." Atari Falcon 030 / TOS 4.04 From mgirard@pipeline.com Sat Dec 10 06:55:24 1994 Path: ashpoly!cascade!brgate!saturno!pipeline!mgirard From: mgirard@pipeline.com (Mei Girard) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec10.065524.5200@pipeline.com> Date: Sat, 10 Dec 1994 06:55:24 GMT References: <1994Dec10.041224.8034@uu.net> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Dec10.041224.8034@uu.net>, jlopez@uu.net (Julien López) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). > 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. -- Mei Girard Tape trading list upon request. SASE required for international mail. From mtanaka@mit.edu Sun Dec 11 17:43:24 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!mit!mtanaka From: mtanaka@mit.edu (Min-jun Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec11.174324.9558@mit.edu> Date: Sun, 11 Dec 1994 17:43:24 GMT References: <1994Dec10.041224.8034@uu.net> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994Dec10.041224.8034@uu.net>, jlopez@uu.net (Julien López) 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. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Min-jun Tanaka Opinions expressed are solely my own and not those of Massachusetts Institute of Technology. ------------------------------------------------------------ From ksokolov@rwth-aachen.de Tue Dec 13 09:31:24 1994 Path: ashpoly!cascade!transat!ukc!fennimore!rwth-aachen!ksokolov From: ksokolov@rwth-aachen.de (Karen Sokolov) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec13.093124.1056@rwth-aachen.de> Date: Tue, 13 Dec 1994 09:31:24 GMT References: <1994Dec10.041224.8034@uu.net> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Dec10.041224.8034@uu.net>, jlopez@uu.net (Julien López) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). > Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Karen Sokolov "A soul is not exclusive to biology." NeXTstation Turbo Color / System 7.5.1 From lvasiliev@pacbell.net Thu Dec 15 03:29:24 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!lvasiliev From: lvasiliev@pacbell.net (Lisa Vasiliev) Newsgroups: comp.sys.m68k Subject: Re: Data: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Dec15.032924.4766@pacbell.net> Date: Thu, 15 Dec 1994 03:29:24 GMT References: <1994Dec10.041224.8034@uu.net> <1994Dec13.093124.1056@rwth-aachen.de> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994Dec13.093124.1056@rwth-aachen.de>, ksokolov@rwth-aachen.de (Karen Sokolov) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- === Lisa Vasiliev === Dept of Electrical Engineering, Pacific Bell Internet Services "Hold for relay."