From mito@u-tokyo.ac.jp Sun Sep 11 06:43:11 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!u-tokyo!mito From: mito@u-tokyo.ac.jp (Marisol Ito) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep11.064311.1123@u-tokyo.ac.jp> Date: Sun, 11 Sep 1994 06:43:11 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp 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. 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? -- Marisol Ito Hayes Optima 288 @ 33,600 bps "Tape doesn't lie at 02:14. Ears do." From mpopov@cam.ac.uk Tue Sep 13 06:44:11 1994 Path: ashpoly!cascade!brgate!saturno!cam!mpopov From: mpopov@cam.ac.uk (Mateo Popov) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep13.064411.7428@cam.ac.uk> Date: Tue, 13 Sep 1994 06:44:11 GMT References: <1994Sep11.064311.1123@u-tokyo.ac.jp> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Sep11.064311.1123@u-tokyo.ac.jp>, mito@u-tokyo.ac.jp (Marisol Ito) 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. If you are posting from AOL, please read RFC 1036 before posting again. -- === Mateo Popov === Dept of Electrical Engineering, University of Cambridge Computer Laboratory "Marcus is not one man." From tmoreau@uni-hamburg.de Wed Sep 14 13:28:11 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!uni-hamburg!tmoreau From: tmoreau@uni-hamburg.de (Takeshi Moreau) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep14.132811.6948@uni-hamburg.de> Date: Wed, 14 Sep 1994 13:28:11 GMT References: <1994Sep11.064311.1123@u-tokyo.ac.jp> <1994Sep13.064411.7428@cam.ac.uk> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Sep13.064411.7428@cam.ac.uk>, mpopov@cam.ac.uk (Mateo Popov) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. > If you are posting from AOL, please read RFC 1036 before posting again. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Takeshi Moreau -- Universität Hamburg Fachbereich Informatik "5 sigma is a discovery. 7 is a question." From bsato@delphi.com Fri Sep 16 05:53:11 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!delphi!bsato From: bsato@delphi.com (Bastien Sato) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Sep16.055311.1762@delphi.com> Date: Fri, 16 Sep 1994 05:53:11 GMT References: <1994Sep11.064311.1123@u-tokyo.ac.jp> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Sep11.064311.1123@u-tokyo.ac.jp>, mito@u-tokyo.ac.jp (Marisol Ito) 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. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- === Bastien Sato === Dept of Electrical Engineering, Delphi Internet Services "Hold for relay."