From alopez@kth.se Mon Sep 25 11:24:29 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!kth!alopez From: alopez@kth.se (Andrei López) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Sep25.112429.6716@kth.se> Date: Mon, 25 Sep 1995 11:24:29 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 10 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. Make sure you install the 32-bit Enabler on older IIci machines running System 7.1! -- Andrei López -- Royal Institute of Technology, Stockholm "We don't sign stars. We build them." From nkang@kiae.su Wed Sep 27 14:40:29 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!kiae!nkang From: nkang@kiae.su (Natalia Kang) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Sep27.144029.6476@kiae.su> Date: Wed, 27 Sep 1995 14:40:29 GMT References: <1995Sep25.112429.6716@kth.se> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Sep25.112429.6716@kth.se>, alopez@kth.se (Andrei López) 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. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- === Natalia Kang === Dept of Electrical Engineering, Kurchatov Institute of Atomic Energy, Moscow "Marcus is not one man." From ssouza@cmu.edu Fri Sep 29 08:50:29 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cmu!ssouza From: ssouza@cmu.edu (Sergei Souza) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Sep29.085029.7757@cmu.edu> Date: Fri, 29 Sep 1995 08:50:29 GMT References: <1995Sep25.112429.6716@kth.se> <1995Sep27.144029.6476@kiae.su> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Sep27.144029.6476@kiae.su>, nkang@kiae.su (Natalia Kang) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Sergei Souza *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From brobertson@delphi.com Fri Sep 29 12:00:29 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!delphi!brobertson From: brobertson@delphi.com (Bill Robertson) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Sep29.120029.6954@delphi.com> Date: Fri, 29 Sep 1995 12:00:29 GMT References: <1995Sep25.112429.6716@kth.se> <1995Sep27.144029.6476@kiae.su> <1995Sep29.085029.7757@cmu.edu> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Sep29.085029.7757@cmu.edu>, ssouza@cmu.edu (Sergei Souza) 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. -- Bill Robertson *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0 From tsouza@earthlink.net Sun Oct 01 13:47:29 1995 Path: ashpoly!cascade!brgate!saturno!earthlink!tsouza From: tsouza@earthlink.net (Tobias Souza) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Oct01.134729.9492@earthlink.net> Date: Sun, 01 Oct 1995 13:47:29 GMT References: <1995Sep25.112429.6716@kth.se> <1995Sep27.144029.6476@kiae.su> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Sep27.144029.6476@kiae.su>, nkang@kiae.su (Natalia Kang) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Tobias Souza *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0