From tchoi@unam.mx Sun Dec 01 11:23:11 1996 Path: ashpoly!cascade!bigsur!unam!tchoi From: tchoi@unam.mx (Takeshi Choi) Newsgroups: comp.sys.m68k Subject: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Dec01.112311.6490@unam.mx> Date: Sun, 01 Dec 1996 11:23:11 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 11 Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. 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. -- Takeshi Choi "Do not worship the copy." Atari Falcon 030 / System 7.5.1 From gsokolov@rwth-aachen.de Mon Dec 02 08:51:11 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!rwth-aachen!gsokolov From: gsokolov@rwth-aachen.de (Graham Sokolov) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Dec02.085111.6529@rwth-aachen.de> Date: Mon, 02 Dec 1996 08:51:11 GMT References: <1996Dec01.112311.6490@unam.mx> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1996Dec01.112311.6490@unam.mx>, tchoi@unam.mx (Takeshi Choi) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. > A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. 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. -- Graham Sokolov Tape trading list upon request. SASE required for international mail. From tbrennan@uu.net Wed Dec 04 03:07:11 1996 Path: ashpoly!cascade!mxgate!coyoacan!uu!tbrennan From: tbrennan@uu.net (Thiago Brennan) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Dec04.030711.6705@uu.net> Date: Wed, 04 Dec 1996 03:07:11 GMT References: <1996Dec01.112311.6490@unam.mx> <1996Dec02.085111.6529@rwth-aachen.de> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Dec02.085111.6529@rwth-aachen.de>, gsokolov@rwth-aachen.de (Graham Sokolov) 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. -- Thiago Brennan "Hold for relay." Amiga 1200 (Blizzard 030/50) / System 7.5.1 From kbrennan@u-tokyo.ac.jp Fri Dec 06 03:23:11 1996 Path: ashpoly!cascade!mxgate!coyoacan!u-tokyo!kbrennan From: kbrennan@u-tokyo.ac.jp (Kirsty Brennan) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Dec06.032311.2364@u-tokyo.ac.jp> Date: Fri, 06 Dec 1996 03:23:11 GMT References: <1996Dec01.112311.6490@unam.mx> <1996Dec02.085111.6529@rwth-aachen.de> <1996Dec04.030711.6705@uu.net> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1996Dec04.030711.6705@uu.net>, tbrennan@uu.net (Thiago Brennan) 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. -- Kirsty Brennan Tape trading list upon request. SASE required for international mail. From lgarcia@netcom.com Sun Dec 08 02:43:11 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!netcom!lgarcia From: lgarcia@netcom.com (Lars García) Newsgroups: comp.sys.m68k Subject: Re: Question: Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1996Dec08.024311.4403@netcom.com> Date: Sun, 08 Dec 1996 02:43:11 GMT References: <1996Dec01.112311.6490@unam.mx> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Dec01.112311.6490@unam.mx>, tchoi@unam.mx (Takeshi Choi) writes: > Compiling stardust.c with Think C 6.0 vs MPW C with direct 68882 inlining. > A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Lars García | lgarcia@netcom.com PGP Key fingerprint: FBEB A6E9 308A 4C67 "Keep the channels open."