From enakamura@rwth-aachen.de Sat Nov 05 14:42:07 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!rwth-aachen!enakamura From: enakamura@rwth-aachen.de (Emi Nakamura) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov05.144207.4329@rwth-aachen.de> Date: Sat, 05 Nov 1994 14:42:07 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: WinVN 0.99.5 Lines: 11 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. Anyone running this on a Quadra 840AV with the 68040? -- Emi Nakamura *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From dpopov@clari.net Sun Nov 06 18:51:07 1994 Path: ashpoly!cascade!mxgate!coyoacan!clari!dpopov From: dpopov@clari.net (Dong-hyun Popov) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov06.185107.2311@clari.net> Date: Sun, 06 Nov 1994 18:51:07 GMT References: <1994Nov05.144207.4329@rwth-aachen.de> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Nov05.144207.4329@rwth-aachen.de>, enakamura@rwth-aachen.de (Emi Nakamura) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Dong-hyun Popov Practical Peripherals 14.4 @ 14,400 bps "There are 14 nodes and only 10 countries. Count again." From lrobertson@unam.mx Tue Nov 08 14:12:07 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!unam!lrobertson From: lrobertson@unam.mx (Lucia Robertson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov08.141207.1545@unam.mx> Date: Tue, 08 Nov 1994 14:12:07 GMT References: <1994Nov05.144207.4329@rwth-aachen.de> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Nov05.144207.4329@rwth-aachen.de>, enakamura@rwth-aachen.de (Emi Nakamura) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Lucia Robertson "Extraordinary claims require extraordinary spectra." Pentium 90 (OS/2 Warp) / AmigaOS 3.1 From vrodriguez@pipeline.com Wed Nov 09 05:28:07 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!pipeline!vrodriguez From: vrodriguez@pipeline.com (Valeria Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov09.052807.8168@pipeline.com> Date: Wed, 09 Nov 1994 05:28:07 GMT References: <1994Nov05.144207.4329@rwth-aachen.de> <1994Nov06.185107.2311@clari.net> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Nov06.185107.2311@clari.net>, dpopov@clari.net (Dong-hyun Popov) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Valeria Rodríguez Opinions expressed are solely my own and not those of The Pipeline Internet Network. ------------------------------------------------------------ From nnilsson@cern.ch Wed Nov 09 17:56:07 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!cern!nnilsson From: nnilsson@cern.ch (Natalia Nilsson) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Nov09.175607.6820@cern.ch> Date: Wed, 09 Nov 1994 17:56:07 GMT References: <1994Nov05.144207.4329@rwth-aachen.de> <1994Nov06.185107.2311@clari.net> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Nov06.185107.2311@clari.net>, dpopov@clari.net (Dong-hyun Popov) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Natalia Nilsson Opinions expressed are solely my own and not those of European Laboratory for Particle Physics, Geneva. ------------------------------------------------------------