From lgarcia@kiae.su Tue May 21 10:55:49 1996 Path: ashpoly!cascade!transat!ukc!fennimore!kiae!lgarcia From: lgarcia@kiae.su (Liam García) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996May21.105549.3083@kiae.su> Date: Tue, 21 May 1996 10:55:49 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su 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! -- Liam García Zyxel U-1496E @ 33,600 bps "Do not worship the copy." From tsantos@mit.edu Thu May 23 07:51:49 1996 Path: ashpoly!cascade!mxgate!coyoacan!mit!tsantos From: tsantos@mit.edu (Thiago Santos) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996May23.075149.2535@mit.edu> Date: Thu, 23 May 1996 07:51:49 GMT References: <1996May21.105549.3083@kiae.su> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996May21.105549.3083@kiae.su>, lgarcia@kiae.su (Liam García) 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. -- Thiago Santos *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0