home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!pmafire!mica.inel.gov!ux1!news.byu.edu!eff!sol.ctr.columbia.edu!usc!wupost!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!doc.ic.ac.uk!uknet!edcastle!dcs.ed.ac.uk!exnet!dhd
- From: dhd@exnet.co.uk (Damon)
- Newsgroups: comp.arch
- Subject: Re: 600 transistor CPU (was: MINIMUM instruction set)
- Message-ID: <Bxs7uE.Cp4@exnet.co.uk>
- Date: 15 Nov 92 23:56:38 GMT
- References: <1992Nov11.144304.10494@news.uiowa.edu> <1992Nov12.164510.28248@dartvax.dartmouth.edu> <1992Nov12.220301.23915@fcom.cc.utah.edu>
- Organization: ExNet Systems Ltd Public Access News, London, UK
- Lines: 23
-
- In article <1992Nov12.220301.23915@fcom.cc.utah.edu> caperkin@ursa11.law.utah.edu (Charles Perkins) writes:
- >The following article brings to mind an interesting question...
- >How small can we make a (reasonably useful) CPU?
- >
- >Assuming good density, how many of the above could we put on a chip
- >using today's processes (We can make 16 Megabit dram chips... but dram is
- >very regular.)
- >
- >How many transistors would it take to make a minimally sized 32-bit chip?
- >Optimized for transistor count, not cycle speed, op-code simplicity, or
- >speed of design.
-
- Well, the processors in MasPar's new MP-2 go 32 to the chip, for a
- total of 1 million transistors (Parallelogram 48). I know that's not
- exciting by your standards but it's a real 32-bit commercial CPU,
- albeit as part of an SIMD array.
-
- Damon
- --
- Damon Hart-Davis Internet: dhd@exnet.co.uk, d@hd.org
-
- Public-access UNIX (Suns), news and mail for UK#5 per month. FIRST MONTH FREE.
- [1.35] Cheap Sun eqpt. UUCP news/mail feeds. Tel/Fax: +44 81 755 0077.
-