Newsgroups: comp.arch
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!lavaca.uh.edu!menudo.uh.edu!sugar!ficc!peter
From: peter@ficc.ferranti.com (Peter da Silva)
Subject: Re: Segmented Architectures ( formerly Re: 48-bit computers)
Message-ID: <-QFAGT3@xds13.ferranti.com>
Reply-To: peter@ficc.ferranti.com (Peter da Silva)
Organization: Xenix Support, FICC
References: <1991Mar27.172325.10800@sj.nec.com> <7920@uceng.UC.EDU> <91090.131157DXB132@psuvm.psu.edu>
Date: Tue, 2 Apr 91 15:01:12 GMT

In article <91090.131157DXB132@psuvm.psu.edu> DXB132@psuvm.psu.edu writes:
> For example, it offers a solution to memory fragmentation. Each allocated
> memory region is assigned a unique number (the segment number), and the
> application manipulates only the offset. The OS can move memory regions
> around in physical memory to eliminate fragmentation. Also, we can make
> these segments an exact length, not neccessary always a multiple of
> 4K like paging schemes.

Sounds like a 32-bit PDP-11.

> but your Unix system crashing after a few weeks due to
> memory fragmentation has to be inefficient too.

Say what? I don't recall ever having my UNIX system crash from memory
fragmentation.
-- 
Peter da Silva.  `-_-'  peter@ferranti.com
+1 713 274 5180.  'U`  "Have you hugged your wolf today?"