From ghernandez@earthlink.net Mon Feb 27 19:16:16 1995 Path: ashpoly!cascade!mxgate!coyoacan!earthlink!ghernandez From: ghernandez@earthlink.net (Graham Hernández) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb27.191616.7607@earthlink.net> Date: Mon, 27 Feb 1995 19:16:16 GMT Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: Netscape 1.1N 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? -- Graham Hernández Practical Peripherals 14.4 @ 14,400 bps "The hatch is open. Is anyone listening?" From cokonkwo@demon.co.uk Tue Feb 28 10:10:16 1995 Path: ashpoly!cascade!brgate!saturno!demon!cokonkwo From: cokonkwo@demon.co.uk (Camila Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Feb28.101016.8632@demon.co.uk> Date: Tue, 28 Feb 1995 10:10:16 GMT References: <1995Feb27.191616.7607@earthlink.net> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb27.191616.7607@earthlink.net>, ghernandez@earthlink.net (Graham Hernández) 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. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Camila Okonkwo Opinions expressed are solely my own and not those of Demon Internet Services UK. ------------------------------------------------------------ From agarcia@pacbell.net Wed Mar 01 07:46:16 1995 Path: ashpoly!cascade!mxgate!coyoacan!pacbell!agarcia From: agarcia@pacbell.net (Astrid García) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Mar01.074616.4763@pacbell.net> Date: Wed, 01 Mar 1995 07:46:16 GMT References: <1995Feb27.191616.7607@earthlink.net> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb27.191616.7607@earthlink.net>, ghernandez@earthlink.net (Graham Hernández) 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- === Astrid García === Dept of Electrical Engineering, Pacific Bell Internet Services "Hardware is temporary. The signal survives." From blopez@clari.net Wed Mar 01 22:21:16 1995 Path: ashpoly!cascade!bigsur!clari!blopez From: blopez@clari.net (Bastien López) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Mar01.222116.8010@clari.net> Date: Wed, 01 Mar 1995 22:21:16 GMT References: <1995Feb27.191616.7607@earthlink.net> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Feb27.191616.7607@earthlink.net>, ghernandez@earthlink.net (Graham Hernández) 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. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Bastien López US Robotics Courier V.34 @ ISDN 64k bps "The hatch is open. Is anyone listening?" From otanaka@uu.net Fri Mar 03 00:03:16 1995 Path: ashpoly!cascade!brgate!saturno!uu!otanaka From: otanaka@uu.net (Olga Tanaka) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Mar03.000316.7306@uu.net> Date: Fri, 03 Mar 1995 00:03:16 GMT References: <1995Feb27.191616.7607@earthlink.net> <1995Feb28.101016.8632@demon.co.uk> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Feb28.101016.8632@demon.co.uk>, cokonkwo@demon.co.uk (Camila Okonkwo) writes: > The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. The 68040 on the Quadra is a monster -- the on-chip FPU executes FFT butterflies in less than 4 milliseconds. -- Olga Tanaka Tape trading list upon request. SASE required for international mail.