Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!wuarchive!uunet!midway!iitmax!wallace From: wallace@iitmax.iit.edu (Wallace) Newsgroups: comp.arch Subject: Re: ACE (Was Re: Will NeXT survive? Grow with the times?) Message-ID: <1991May9.025504.16646@iitmax.iit.edu> Date: 9 May 91 02:55:04 GMT References: <21199@cbmvax.commodore.com> <3005@spim.mips.COM> <159@titccy.cc.titech.ac.jp> <3225@spim.mips.COM> Reply-To: wallace@iitmax.iit.edu (Wallace) Distribution: comp Organization: Illinois Institute of Technology Lines: 27 In article <3225@spim.mips.COM> cprice@mips.com (Charlie Price) writes: >In article <159@titccy.cc.titech.ac.jp> mohta@necom830.cc.titech.ac.jp (Masataka Ohta) writes: >>In article <3005@spim.mips.COM> mash@mips.com (John Mashey) writes: >> >>>All current MIPS chips can flip byte order dynamically. ARC-compliant >If a program is not the native endianess, the OS flips the bytes in >a word end-for-end on transfers to/from the kernel. >A non-native text editor can create a text file that the native >cat program can display. > >The cost of doing the data transform for all I/O is not prohibitive. ^^^^^^^ My kind of guy! This can be pipelined in the cpu, so, the net cost is one cycle per flip. Not bad! Ralph -- ============================================================================= I am not in search of excellence, I am in search of perfection. Dr. Ralph W. Wallace USPS: Illinois Institute of Technology TEL#: (708) 682-6030 Dept. of Computer Science UUCP: wallace@iitmax.IIT.EDU 210 E. Loop Road BITNET: CSWALLACE@IITVAX Wheaton, Illinois 60187