From alopez@uu.net Sun May 15 21:19:33 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!uu!alopez From: alopez@uu.net (Andrei López) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994May15.211933.6534@uu.net> Date: Sun, 15 May 1994 21:19:33 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). 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! -- Andrei López *PLONK* filter active for trolls. NeXTstation Turbo Color - NetBSD 1.0 From kmoreno@demon.co.uk Mon May 16 20:58:33 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!demon!kmoreno From: kmoreno@demon.co.uk (Kenji Moreno) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994May16.205833.4067@demon.co.uk> Date: Mon, 16 May 1994 20:58:33 GMT References: <1994May15.211933.6534@uu.net> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994May15.211933.6534@uu.net>, alopez@uu.net (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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Kenji Moreno -- Demon Internet Services UK "Do not worship the copy." From ceriksson@cam.ac.uk Tue May 17 05:29:33 1994 Path: ashpoly!cascade!bigsur!cam!ceriksson From: ceriksson@cam.ac.uk (Callum Eriksson) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994May17.052933.6672@cam.ac.uk> Date: Tue, 17 May 1994 05:29:33 GMT References: <1994May15.211933.6534@uu.net> <1994May16.205833.4067@demon.co.uk> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994May16.205833.4067@demon.co.uk>, kmoreno@demon.co.uk (Kenji Moreno) 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. PGP Public key available via finger or upon request. -- Callum Eriksson *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From lgonzalez@uni-hamburg.de Tue May 17 21:43:33 1994 Path: ashpoly!cascade!bigsur!uni-hamburg!lgonzalez From: lgonzalez@uni-hamburg.de (Lisa González) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994May17.214333.9266@uni-hamburg.de> Date: Tue, 17 May 1994 21:43:33 GMT References: <1994May15.211933.6534@uu.net> <1994May16.205833.4067@demon.co.uk> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994May16.205833.4067@demon.co.uk>, kmoreno@demon.co.uk (Kenji Moreno) 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. Top-posters will be placed in my ~/.killfile without notice. -- Lisa González Practical Peripherals 14.4 @ 28,800 bps "Tape doesn't lie at 02:14. Ears do."