Path: utzoo!utgpu!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!nosc!ucsd!rutgers!tut.cis.ohio-state.edu!osu-cis!att!whuts!homxb!hropus!ki4pv!cdis-1!cdin-1!icdi10!fr
From: fr@icdi10.uucp (Fred Rump from home)
Newsgroups: comp.unix.microport
Subject: Re: AT&T 386 UNIX Vr3.1
Summary: benchmarks etc
Message-ID: <7028@icdi10.uucp>
Date: 1 Sep 88 04:44:22 GMT
References: <145@carpet.WLK.COM> <441@uport.UUCP> <12014@steinmetz.ge.com>
Organization: CompuData, Inc., Phila. Pa.
Lines: 27

In article <12014@steinmetz.ge.com>, davidsen@steinmetz.ge.com (William E. Davidsen Jr) writes:
[ In article <441@uport.UUCP[ keith@uport.UUCP (Keith Hankin) writes:
[ | In article <145@carpet.WLK.COM[ bill@carpet.WLK.COM (Bill Kennedy) writes:
[ 
[ | >That covers the cosmetics, why do I think that AT&T is better?  Their
[ | >compiler compiles C-Tree (an incredibly portable package) and the binary
[ | >that comes out works.  Microport compiles it but breaks when sscanf is
[ | >called.  AT&T's compiler doesn't write code that the assembler can't assemble.
[ | 
[ | Microport's C compiler is THE SAME COMPILER that you get from AT&T.  Any
[ | problems with Microport's compiler should be the same with AT&T.
[ | Perhaps you got a very new version of the AT&T C compiler, one which we
[ | do not yet have to ship.
[ 
[ I'm going to add some information on the 386UNIX C compiler. I have a
[ benchmark suite which I have run on about 70 machines, without serious
[ problems. In trying to run it under 386ix I noted that about 30% of the
[ programs wouldn't compile, most of which caused the compiler to emit
[ I have seen this on the 386ix, Microport, and Plexus versions. I have
[ The Xenix compiler compiled everything, ran everything, and was faster

For reference see also September copy of UNIX review. 386ix is compared quite
poorly speed wise to Xenix on Compaq 386/20.
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