Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!sgi!daisy!david From: david@daisy.UUCP (David Schachter) Newsgroups: comp.arch Subject: Re: Disk drives -- speed of? Message-ID: <1131@daisy.UUCP> Date: 9 May 88 23:38:55 GMT References: <2746@sundc.UUCP> <76700012@uiucdcsp> <2759@sundc.UUCP> <887@gethen.UUCP> <740@nitrex.UUCP> Reply-To: david@daisy.UUCP (David Schachter) Organization: Daisy Systems Corp., Mountain View, Ca. Lines: 11 In article <740@nitrex.UUCP> rbl@nitrex.UUCP ( Dr. Robin Lake ) writes: >There appear to be systems under development that move the I/O >overhead into the memory management unit and device controllers, letting >the CPU use very simple 1 - 5 instruction I/O commands. This can result >in a uniform "Name Space" for the entire system, from main memory through >disk, tape and networks. With RISC and cache taking essentially all delays >out of the CPU, and (for the sake of an acryonym "Uniform Name Space") >taking essentially all delays out of the I/O, performance should be >OUTSTANDING! Your last point sounds interesting-- please tell us more.