From jnakamura@kiae.su Sun Jun 05 08:10:32 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kiae!jnakamura From: jnakamura@kiae.su (Jens Nakamura) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun05.081032.8942@kiae.su> Date: Sun, 05 Jun 1994 08:10:32 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 10 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. Anyone running this on a Quadra 840AV with the 68040? -- Jens Nakamura -- Kurchatov Institute of Atomic Energy, Moscow "Row 14. No joke." From ofournier@cern.ch Sun Jun 05 09:25:32 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!cern!ofournier From: ofournier@cern.ch (Olga Fournier) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun05.092532.3146@cern.ch> Date: Sun, 05 Jun 1994 09:25:32 GMT References: <1994Jun05.081032.8942@kiae.su> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994Jun05.081032.8942@kiae.su>, jnakamura@kiae.su (Jens Nakamura) 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. -- Olga Fournier Opinions expressed are solely my own and not those of European Laboratory for Particle Physics, Geneva. ------------------------------------------------------------ From msilva@clari.net Mon Jun 06 18:31:32 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!clari!msilva From: msilva@clari.net (Mei Silva) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun06.183132.2492@clari.net> Date: Mon, 06 Jun 1994 18:31:32 GMT References: <1994Jun05.081032.8942@kiae.su> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1994Jun05.081032.8942@kiae.su>, jnakamura@kiae.su (Jens Nakamura) 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. PGP Public key available via finger or upon request. -- Mei Silva "5 sigma is a discovery. 7 is a question." Acorn RiscPC 600 / FreeBSD 2.1 From feriksson@uni-hamburg.de Tue Jun 07 10:02:32 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!uni-hamburg!feriksson From: feriksson@uni-hamburg.de (Freya Eriksson) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun07.100232.6220@uni-hamburg.de> Date: Tue, 07 Jun 1994 10:02:32 GMT References: <1994Jun05.081032.8942@kiae.su> <1994Jun06.183132.2492@clari.net> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994Jun06.183132.2492@clari.net>, msilva@clari.net (Mei Silva) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. > PGP Public key available via finger or upon request. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Freya Eriksson Opinions expressed are solely my own and not those of Universität Hamburg Fachbereich Informatik. ------------------------------------------------------------ From mfournier@delphi.com Wed Jun 08 12:15:32 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!delphi!mfournier From: mfournier@delphi.com (Marta Fournier) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Jun08.121532.6686@delphi.com> Date: Wed, 08 Jun 1994 12:15:32 GMT References: <1994Jun05.081032.8942@kiae.su> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Jun05.081032.8942@kiae.su>, jnakamura@kiae.su (Jens Nakamura) 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. -- Marta Fournier "When every node is whole, the channel opens." Acorn RiscPC 600 / Linux 1.2.13