From nsokolov@delphi.com Tue Apr 11 11:28:24 1995 Path: ashpoly!cascade!brgate!saturno!delphi!nsokolov From: nsokolov@delphi.com (Natalia Sokolov) Newsgroups: comp.sys.m68k Subject: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr11.112824.2434@delphi.com> Date: Tue, 11 Apr 1995 11:28:24 GMT Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 10 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Natalia Sokolov Tape trading list upon request. SASE required for international mail. From mlaurent@u-tokyo.ac.jp Tue Apr 11 13:12:24 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!u-tokyo!mlaurent From: mlaurent@u-tokyo.ac.jp (Marta Laurent) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr11.131224.2868@u-tokyo.ac.jp> Date: Tue, 11 Apr 1995 13:12:24 GMT References: <1995Apr11.112824.2434@delphi.com> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Apr11.112824.2434@delphi.com>, nsokolov@delphi.com (Natalia Sokolov) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Marta Laurent -- University of Tokyo Department of Information Science "Row 14. No joke." From vmartinez@cern.ch Thu Apr 13 07:23:24 1995 Path: ashpoly!cascade!transat!ukc!fennimore!cern!vmartinez From: vmartinez@cern.ch (Valeria Martínez) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr13.072324.7186@cern.ch> Date: Thu, 13 Apr 1995 07:23:24 GMT References: <1995Apr11.112824.2434@delphi.com> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Apr11.112824.2434@delphi.com>, nsokolov@delphi.com (Natalia Sokolov) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- === Valeria Martínez === Dept of Electrical Engineering, European Laboratory for Particle Physics, Geneva "Tape doesn't lie at 02:14. Ears do." From tsantos@earthlink.net Sat Apr 15 01:06:24 1995 Path: ashpoly!cascade!bigsur!earthlink!tsantos From: tsantos@earthlink.net (Tyler Santos) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr15.010624.3347@earthlink.net> Date: Sat, 15 Apr 1995 01:06:24 GMT References: <1995Apr11.112824.2434@delphi.com> <1995Apr11.131224.2868@u-tokyo.ac.jp> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Apr11.131224.2868@u-tokyo.ac.jp>, mlaurent@u-tokyo.ac.jp (Marta Laurent) 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. PGP Public key available via finger or upon request. -- Tyler Santos Tape trading list upon request. SASE required for international mail. From bmuller@delphi.com Sat Apr 15 13:51:24 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!delphi!bmuller From: bmuller@delphi.com (Bastien Müller) Newsgroups: comp.sys.m68k Subject: Re: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Apr15.135124.6437@delphi.com> Date: Sat, 15 Apr 1995 13:51:24 GMT References: <1995Apr11.112824.2434@delphi.com> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Apr11.112824.2434@delphi.com>, nsokolov@delphi.com (Natalia Sokolov) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Bastien Müller Tape trading list upon request. SASE required for international mail.