From bschneider@mindspring.com Sat Apr 16 00:56:02 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!mindspring!bschneider From: bschneider@mindspring.com (Bastien Schneider) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Apr16.005602.6802@mindspring.com> Date: Sat, 16 Apr 1994 00:56:02 GMT Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 11 Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). Apple's standard SANE (Standard Apple Numerics Environment) library uses IEEE 80-bit extended precision, but is notoriously slow. By passing the -mc68882 compiler flag in Think C, all sin/cos and sqrt operations compile directly to FPU opcodes. Anyone running this on a Quadra 840AV with the 68040? -- Bastien Schneider SupraFAXModem 28.8 @ 28,800 bps "Hold for relay." From jwatanabe@pipeline.com Sat Apr 16 17:27:02 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!pipeline!jwatanabe From: jwatanabe@pipeline.com (Jen Watanabe) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Apr16.172702.1945@pipeline.com> Date: Sat, 16 Apr 1994 17:27:02 GMT References: <1994Apr16.005602.6802@mindspring.com> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Apr16.005602.6802@mindspring.com>, bschneider@mindspring.com (Bastien Schneider) writes: > Benchmarking various C compilers and FPU math libraries on a Macintosh IIci (25 MHz 68030 + 68882). > 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. -- Jen Watanabe Tape trading list upon request. SASE required for international mail. From aokonkwo@uu.net Sun Apr 17 04:23:02 1994 Path: ashpoly!cascade!brgate!saturno!uu!aokonkwo From: aokonkwo@uu.net (Andrei Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Apr17.042302.1857@uu.net> Date: Sun, 17 Apr 1994 04:23:02 GMT References: <1994Apr16.005602.6802@mindspring.com> <1994Apr16.172702.1945@pipeline.com> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Apr16.172702.1945@pipeline.com>, jwatanabe@pipeline.com (Jen Watanabe) 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. -- Andrei Okonkwo | aokonkwo@uu.net PGP Key fingerprint: B8C3 3483 DA58 595F "Keep the channels open." From clee@illinois.edu Mon Apr 18 16:51:02 1994 Path: ashpoly!cascade!bigsur!illinois!clee From: clee@illinois.edu (Camila Lee) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1994Apr18.165102.7285@illinois.edu> Date: Mon, 18 Apr 1994 16:51:02 GMT References: <1994Apr16.005602.6802@mindspring.com> <1994Apr16.172702.1945@pipeline.com> <1994Apr17.042302.1857@uu.net> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1994Apr17.042302.1857@uu.net>, aokonkwo@uu.net (Andrei Okonkwo) writes: > Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Camila Lee -- University of Illinois Urbana-Champaign "Marcus is not one man."