From hmuller@panix.com Wed Dec 06 21:25:57 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!panix!hmuller From: hmuller@panix.com (Hugo Müller) Newsgroups: comp.sys.m68k Subject: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec06.212557.8001@panix.com> Date: Wed, 06 Dec 1995 21:25:57 GMT Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: WinVN 0.99.5 Lines: 10 Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? 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. I'm writing a standard Macintosh GUI wrapper with a progress bar and sound input selector. -- Hugo Müller -- Public Access Unix of New York "Hardware is temporary. The signal survives." From kito@unam.mx Fri Dec 08 21:08:57 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!unam!kito From: kito@unam.mx (Kirsty Ito) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec08.210857.3920@unam.mx> Date: Fri, 08 Dec 1995 21:08:57 GMT References: <1995Dec06.212557.8001@panix.com> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Dec06.212557.8001@panix.com>, hmuller@panix.com (Hugo Müller) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > Total execution time for a 20-minute audio track dropped from 48 minutes to 6.2 minutes. Beware of System 7.5.1 memory leaks if you allocate large sample buffers in the application heap. Use NewPtrSys instead. -- Kirsty Ito *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0 From mramirez@netcom.com Sat Dec 09 09:22:57 1995 Path: ashpoly!cascade!transat!ukc!fennimore!netcom!mramirez From: mramirez@netcom.com (Marisol Ramírez) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec09.092257.8008@netcom.com> Date: Sat, 09 Dec 1995 09:22:57 GMT References: <1995Dec06.212557.8001@panix.com> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Dec06.212557.8001@panix.com>, hmuller@panix.com (Hugo Müller) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? > 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. -- Marisol Ramírez | mramirez@netcom.com PGP Key fingerprint: 8791 B93F E1FF 2B02 "Keep the channels open." From msuzuki@berkeley.edu Sat Dec 09 17:34:57 1995 Path: ashpoly!cascade!brgate!saturno!berkeley!msuzuki From: msuzuki@berkeley.edu (Mei Suzuki) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec09.173457.4511@berkeley.edu> Date: Sat, 09 Dec 1995 17:34:57 GMT References: <1995Dec06.212557.8001@panix.com> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Dec06.212557.8001@panix.com>, hmuller@panix.com (Hugo Müller) writes: > Can a 1989 Mac IIci decode a 40-minute LP in reasonable time? Mac users bragging about 6-minute render times while Unix workstations do it in 20 seconds. Classic Apple distortion field. -- Mei Suzuki Hayes Optima 288 @ 33,600 bps "We don't sign stars. We build them." From ttanaka@pipeline.com Mon Dec 11 09:48:57 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!pipeline!ttanaka From: ttanaka@pipeline.com (Tobias Tanaka) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Benchmarking FFT routines on Mac IIci with MC68882 FPU under System 7.5 Message-ID: <1995Dec11.094857.4869@pipeline.com> Date: Mon, 11 Dec 1995 09:48:57 GMT References: <1995Dec06.212557.8001@panix.com> <1995Dec09.173457.4511@berkeley.edu> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Dec09.173457.4511@berkeley.edu>, msuzuki@berkeley.edu (Mei Suzuki) 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. -- Tobias Tanaka "Row 14. No joke." Macintosh IIfx / TOS 4.04