*BSD News Article 59751


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From: casper@fwi.uva.nl (Casper H.S. Dik)
Newsgroups: comp.unix.bsd.netbsd.misc,comp.unix.bsd.bsdi.misc,comp.unix.solaris,comp.unix.aix
Subject: Re: ISP hardware/software choices (performance comparison)
Date: 16 Jan 1996 14:31:12 +0100
Organization: Sun Microsystems, Netherlands
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References: <4cmopu$d35@vixen.cso.uiuc.edu> <4cu7t0$mg5@engnews2.Eng.Sun.COM> <4cv8j1$59k@park.uvsc.edu> <4d37d4$j0l@gremlin.backfire.mn.org> <DL29Az.Ax2@ftel.co.uk> <bryDL3r9p.2oq@netcom.com> <4da5nl$8l5@news.voicenet.com> <bryDL5wtq.4Fo@netcom.com> <4dc00a$j2f@park.uvsc.edu> <bryDL7E84.LG3@netcom.com> <4decke$6nh@park.uvsc.edu>
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Terry Lambert <terry@lambert.org> writes:

>AIX features that are more modern than equivalents in Solaris:

>1)	Dynamically sized kernel structures.  Solaris has made
>	some headway in this direction, but AIX beats *everyone*
>	else cold.

Examples please?  Can stuff be grown arbitrarily and what stuff can
so be grown?

>2)	Motif environment shipped with system by default.

CDE with Solaris 2.x.

>3)	Clone devices for PTY's, not limited by range.

Clone devs for ptys in Solaris 2.x (limited by range?)

>6)	Sample device driver source code available in suplementary
>	documentation.

Available in the DDK and from some ftp sites.

>8)	Thread stacks are not required to be preallocated at some
>	limited size; they will be grown as needed, just like
>	regular process stacks (UnixWare has support for this
>	as well, but does not make use of the VM facility).

In kernel thread stacks?  Solaris 2.x does the same for its
user thread stacks.  The location is pre-determined though, no swap
space or VM is allocated.

>10)	A kernel that is *never* recompiled by the customer.

Same with Solaris 2.x.


Casper
-- 
Casper Dik - Sun Microsystems - via my guest account at the University
of Amsterdam.  My work e-mail address is: Casper.Dik@Holland.Sun.COM
Statements on Sun products included here are not gospel and may
be fiction rather than truth.