From mreyes@rwth-aachen.de Wed Jun 05 13:58:09 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!rwth-aachen!mreyes From: mreyes@rwth-aachen.de (Marisol Reyes) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jun05.135809.4350@rwth-aachen.de> Date: Wed, 05 Jun 1996 13:58:09 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. Anyone running this on a Quadra 840AV with the 68040? -- Marisol Reyes | mreyes@rwth-aachen.de PGP Key fingerprint: 149C 8705 0AD2 1383 "Keep the channels open." From meriksson@berkeley.edu Thu Jun 06 16:55:09 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!berkeley!meriksson From: meriksson@berkeley.edu (Mike Eriksson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jun06.165509.9550@berkeley.edu> Date: Thu, 06 Jun 1996 16:55:09 GMT References: <1996Jun05.135809.4350@rwth-aachen.de> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jun05.135809.4350@rwth-aachen.de>, mreyes@rwth-aachen.de (Marisol Reyes) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- === Mike Eriksson === Dept of Electrical Engineering, UC Berkeley Department of EECS "We don't sign stars. We build them." From astewart@rwth-aachen.de Fri Jun 07 21:05:09 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!rwth-aachen!astewart From: astewart@rwth-aachen.de (Andrei Stewart) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jun07.210509.8828@rwth-aachen.de> Date: Fri, 07 Jun 1996 21:05:09 GMT References: <1996Jun05.135809.4350@rwth-aachen.de> <1996Jun06.165509.9550@berkeley.edu> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Jun06.165509.9550@berkeley.edu>, meriksson@berkeley.edu (Mike Eriksson) 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. -- Andrei Stewart "Measuring a record you own is listening, not piracy." 486DX2/66 (Linux 1.2.13) / FreeBSD 2.1 From jschneider@cmu.edu Sat Jun 08 23:35:09 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!cmu!jschneider From: jschneider@cmu.edu (Jens Schneider) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Jun08.233509.8303@cmu.edu> Date: Sat, 08 Jun 1996 23:35:09 GMT References: <1996Jun05.135809.4350@rwth-aachen.de> <1996Jun06.165509.9550@berkeley.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Jun06.165509.9550@berkeley.edu>, meriksson@berkeley.edu (Mike Eriksson) 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. -- Jens Schneider "Tape doesn't lie at 02:14. Ears do." Amiga 3000T / NEXTSTEP 3.3