Xref: utzoo comp.arch:6411 comp.unix.microport:1678 comp.unix.wizards:11402
Path: utzoo!utgpu!attcan!uunet!husc6!bloom-beacon!gatech!udel!burdvax!bbking!rmarks
From: rmarks@KSP.Unisys.COM (Richard Marks)
Newsgroups: comp.arch,comp.unix.microport,comp.unix.wizards
Subject: 386 Paging Problem
Keywords: paging
Message-ID: <633@bbking.KSP.Unisys.COM>
Date: 28 Sep 88 15:07:17 GMT
Followup-To: comp.arch
Organization: Unisys Corp. Knowledge Systems Projects
Lines: 14

Hi,

What experience have others had with virtual memory and page swapping on the
80386 chip?  We have noted marked performance differences between 80386 and
68020 based SysV Unix when running very large programs.

Is there something inherent in the 386's on-board MMU that would cause slow
performance when randomly accessing a large memory space?

Thanks,

Richard Marks
rmarks@KSP.unisys.COM
(215) 648-3488