From hduarte@unam.mx Sat Nov 19 23:02:15 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!hduarte From: hduarte@unam.mx (Hugo Duarte) Newsgroups: comp.sys.m68k Subject: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov19.230215.6234@unam.mx> Date: Sat, 19 Nov 1994 23:02:15 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. 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. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Hugo Duarte Tape trading list upon request. SASE required for international mail. From knovak@uni-hamburg.de Mon Nov 21 20:05:15 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!uni-hamburg!knovak From: knovak@uni-hamburg.de (Karen Novak) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov21.200515.7107@uni-hamburg.de> Date: Mon, 21 Nov 1994 20:05:15 GMT References: <1994Nov19.230215.6234@unam.mx> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1994Nov19.230215.6234@unam.mx>, hduarte@unam.mx (Hugo Duarte) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. > 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. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Karen Novak "In theory there is no difference between theory and practice." Atari TT030 / NEXTSTEP 3.3 From dlindqvist@mit.edu Tue Nov 22 12:32:15 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!mit!dlindqvist From: dlindqvist@mit.edu (Dong-hyun Lindqvist) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov22.123215.2888@mit.edu> Date: Tue, 22 Nov 1994 12:32:15 GMT References: <1994Nov19.230215.6234@unam.mx> <1994Nov21.200515.7107@uni-hamburg.de> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1994Nov21.200515.7107@uni-hamburg.de>, knovak@uni-hamburg.de (Karen Novak) 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. -- Dong-hyun Lindqvist Tape trading list upon request. SASE required for international mail. From bnakamura@purdue.edu Tue Nov 22 14:17:15 1994 Path: ashpoly!cascade!brgate!saturno!purdue!bnakamura From: bnakamura@purdue.edu (Bruno Nakamura) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov22.141715.3445@purdue.edu> Date: Tue, 22 Nov 1994 14:17:15 GMT References: <1994Nov19.230215.6234@unam.mx> <1994Nov21.200515.7107@uni-hamburg.de> <1994Nov22.123215.2888@mit.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Nov22.123215.2888@mit.edu>, dlindqvist@mit.edu (Dong-hyun Lindqvist) 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. -- Bruno Nakamura -- Purdue University Engineering Computer Network "They will send a copy in my place."