Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!usenet.ukfsn.org!not-for-mail From: Martin Gregorie Newsgroups: comp.lang.java.programmer Subject: Re: Java processors Date: Fri, 6 Jul 2012 21:18:09 +0000 (UTC) Organization: UK Free Software Network Lines: 19 Message-ID: References: <5f101d00-4bc9-4750-939c-cd53605bfa0e@googlegroups.com> NNTP-Posting-Host: 84.45.235.129 Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: localhost.localdomain 1341609489 14979 84.45.235.129 (6 Jul 2012 21:18:09 GMT) X-Complaints-To: usenet@localhost.localdomain NNTP-Posting-Date: Fri, 6 Jul 2012 21:18:09 +0000 (UTC) User-Agent: Pan/0.135 (Tomorrow I'll Wake Up and Scald Myself with Tea; GIT 30dc37b master) Xref: csiph.com comp.lang.java.programmer:15847 On Fri, 06 Jul 2012 13:53:21 -0700, Roedy Green wrote: > The underlying hardware had only 24 bits addressing, but it was bit > addressable. That let you address bytes with 21 bits, a mere 2 > megabytes.Yet that little machine pumped out transactions like you would > not believe. It used memory very cleverly dynamically balancing system, > app, database, disk cache. > As I'm certain you know, driving 24x80 green screens allowed machines to use very much less memory than today's hardware with its memory-hungry high-resolution graphics. The BBC's pair of 2966s could each run 10-12 online IDMSX-based systems, which together were accessed by 300-400 terminals, yet each machine did all that with 16 MB of RAM. -- martin@ | Martin Gregorie gregorie. | Essex, UK org |