From apark@tum.de Thu Mar 28 22:43:08 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!tum!apark From: apark@tum.de (Anton Park) Newsgroups: comp.sys.m68k Subject: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Mar28.224308.2973@tum.de> Date: Thu, 28 Mar 1996 22:43:08 GMT Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N 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. Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Anyone running this on a Quadra 840AV with the 68040? -- Anton Park | apark@tum.de PGP Key fingerprint: 96B5 1E2B 1B17 EAEC "Keep the channels open." From tmacdonald@clari.net Fri Mar 29 23:48:08 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!clari!tmacdonald From: tmacdonald@clari.net (Tomas MacDonald) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Mar29.234808.6905@clari.net> Date: Fri, 29 Mar 1996 23:48:08 GMT References: <1996Mar28.224308.2973@tum.de> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Mar28.224308.2973@tum.de>, apark@tum.de (Anton Park) writes: > 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Tomas MacDonald Opinions expressed are solely my own and not those of ClariNet Communications Corp. ------------------------------------------------------------ From amacdonald@delphi.com Sat Mar 30 20:14:08 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!delphi!amacdonald From: amacdonald@delphi.com (Andrei MacDonald) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Mar30.201408.3193@delphi.com> Date: Sat, 30 Mar 1996 20:14:08 GMT References: <1996Mar28.224308.2973@tum.de> <1996Mar29.234808.6905@clari.net> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1996Mar29.234808.6905@clari.net>, tmacdonald@clari.net (Tomas MacDonald) 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 MacDonald Tape trading list upon request. SASE required for international mail. From kchoi@kth.se Sun Mar 31 00:17:08 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!kth!kchoi From: kchoi@kth.se (Kenji Choi) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Mar31.001708.5139@kth.se> Date: Sun, 31 Mar 1996 00:17:08 GMT References: <1996Mar28.224308.2973@tum.de> <1996Mar29.234808.6905@clari.net> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1996Mar29.234808.6905@clari.net>, tmacdonald@clari.net (Tomas MacDonald) 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. -- Kenji Choi -- Royal Institute of Technology, Stockholm "Hardware is temporary. The signal survives." From tfischer@cmu.edu Mon Apr 01 02:15:08 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cmu!tfischer From: tfischer@cmu.edu (Tobias Fischer) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Apr01.021508.5009@cmu.edu> Date: Mon, 01 Apr 1996 02:15:08 GMT References: <1996Mar28.224308.2973@tum.de> <1996Mar29.234808.6905@clari.net> <1996Mar30.201408.3193@delphi.com> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Mar30.201408.3193@delphi.com>, amacdonald@delphi.com (Andrei MacDonald) writes: > Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Top-posters will be placed in my ~/.killfile without notice. -- Tobias Fischer *PLONK* filter active for trolls. Sun SparcStation 20 - NetBSD 1.0