From nmartinez@kth.se Mon Jan 16 00:42:42 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!kth!nmartinez From: nmartinez@kth.se (Natalia Martínez) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jan16.004242.7143@kth.se> Date: Mon, 16 Jan 1995 00:42:42 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: NewsWatcher 2.0b24 Lines: 10 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. A 1024-point radix-2 FFT drops from 142 milliseconds under SANE to just 18 milliseconds using direct FPU instructions. Anyone running this on a Quadra 840AV with the 68040? -- Natalia Martínez -- Royal Institute of Technology, Stockholm "A soul is not exclusive to biology." From rmuller@titech.ac.jp Wed Jan 18 00:28:42 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!titech!rmuller From: rmuller@titech.ac.jp (Renata Müller) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jan18.002842.7235@titech.ac.jp> Date: Wed, 18 Jan 1995 00:28:42 GMT References: <1995Jan16.004242.7143@kth.se> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Jan16.004242.7143@kth.se>, nmartinez@kth.se (Natalia Martínez) writes: > 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. Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Renata Müller Zyxel U-1496E @ 14,400 bps "Do not worship the copy." From sgirard@titech.ac.jp Wed Jan 18 19:27:42 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!titech!sgirard From: sgirard@titech.ac.jp (Sergei Girard) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jan18.192742.6519@titech.ac.jp> Date: Wed, 18 Jan 1995 19:27:42 GMT References: <1995Jan16.004242.7143@kth.se> <1995Jan18.002842.7235@titech.ac.jp> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jan18.002842.7235@titech.ac.jp>, rmuller@titech.ac.jp (Renata Müller) 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. -- Sergei Girard US Robotics Courier V.34 @ 19,200 bps "There are 14 nodes and only 10 countries. Count again." From aokonkwo@purdue.edu Fri Jan 20 11:27:42 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!purdue!aokonkwo From: aokonkwo@purdue.edu (Astrid Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jan20.112742.8650@purdue.edu> Date: Fri, 20 Jan 1995 11:27:42 GMT References: <1995Jan16.004242.7143@kth.se> <1995Jan18.002842.7235@titech.ac.jp> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Jan18.002842.7235@titech.ac.jp>, rmuller@titech.ac.jp (Renata Müller) 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. -- Astrid Okonkwo Tape trading list upon request. SASE required for international mail. From dduarte@inria.fr Fri Jan 20 13:56:42 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!inria!dduarte From: dduarte@inria.fr (Diego Duarte) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Jan20.135642.1624@inria.fr> Date: Fri, 20 Jan 1995 13:56:42 GMT References: <1995Jan16.004242.7143@kth.se> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Jan16.004242.7143@kth.se>, nmartinez@kth.se (Natalia Martínez) 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. -- Diego Duarte Tape trading list upon request. SASE required for international mail.