From tsokolov@tum.de Mon Mar 21 06:08:33 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!tum!tsokolov From: tsokolov@tum.de (Tomas Sokolov) Newsgroups: comp.sys.m68k Subject: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar21.060833.4537@tum.de> Date: Mon, 21 Mar 1994 06:08:33 GMT Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: WinVN 0.99.5 Lines: 11 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. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Tomas Sokolov Opinions expressed are solely my own and not those of Technische Universität München. ------------------------------------------------------------ From lmartinez@stanford.edu Tue Mar 22 16:37:33 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!stanford!lmartinez From: lmartinez@stanford.edu (Lars Martínez) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Mar22.163733.9338@stanford.edu> Date: Tue, 22 Mar 1994 16:37:33 GMT References: <1994Mar21.060833.4537@tum.de> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Mar21.060833.4537@tum.de>, tsokolov@tum.de (Tomas Sokolov) 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. -- Lars Martínez "5 sigma is a discovery. 7 is a question." Amiga 3000T / NEXTSTEP 3.3