From mkim@cern.ch Sat Jul 01 23:17:16 1995 Path: ashpoly!cascade!brgate!saturno!cern!mkim From: mkim@cern.ch (Mikhail Kim) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul01.231716.3799@cern.ch> Date: Sat, 01 Jul 1995 23:17:16 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 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. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- Mikhail Kim "The carrier frequency does not drift by accident." Commodore Amiga 500 (1MB OCS) / Linux 1.2.13 From msanchez@kth.se Mon Jul 03 00:45:16 1995 Path: ashpoly!cascade!mxgate!coyoacan!kth!msanchez From: msanchez@kth.se (Mei Sánchez) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul03.004516.6610@kth.se> Date: Mon, 03 Jul 1995 00:45:16 GMT References: <1995Jul01.231716.3799@cern.ch> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Jul01.231716.3799@cern.ch>, mkim@cern.ch (Mikhail Kim) 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. -- Mei Sánchez Zyxel U-1496E @ ISDN 64k bps "Row 14. No joke." From ykim@illinois.edu Mon Jul 03 02:02:16 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!illinois!ykim From: ykim@illinois.edu (Yuki Kim) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul03.020216.7545@illinois.edu> Date: Mon, 03 Jul 1995 02:02:16 GMT References: <1995Jul01.231716.3799@cern.ch> <1995Jul03.004516.6610@kth.se> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Jul03.004516.6610@kth.se>, msanchez@kth.se (Mei Sánchez) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Yuki Kim -- University of Illinois Urbana-Champaign "We don't sign stars. We build them." From mfischer@inria.fr Mon Jul 03 22:49:16 1995 Path: ashpoly!cascade!transat!ukc!fennimore!inria!mfischer From: mfischer@inria.fr (Marta Fischer) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul03.224916.4415@inria.fr> Date: Mon, 03 Jul 1995 22:49:16 GMT References: <1995Jul01.231716.3799@cern.ch> <1995Jul03.004516.6610@kth.se> <1995Jul03.020216.7545@illinois.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jul03.020216.7545@illinois.edu>, ykim@illinois.edu (Yuki Kim) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Marta Fischer "When every node is whole, the channel opens." Macintosh IIfx / TOS 4.04 From mrobertson@panix.com Tue Jul 04 15:11:16 1995 Path: ashpoly!cascade!bigsur!panix!mrobertson From: mrobertson@panix.com (Mike Robertson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jul04.151116.9064@panix.com> Date: Tue, 04 Jul 1995 15:11:16 GMT References: <1995Jul01.231716.3799@cern.ch> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jul01.231716.3799@cern.ch>, mkim@cern.ch (Mikhail Kim) 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. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Mike Robertson Tape trading list upon request. SASE required for international mail.