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Article #75813

Re: Hardware and OS for free software development

#75813
From: William A. Turnbow
Date: Fri, 06 Apr 1990 23:27
42 lines
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In article <Ewx9l*4@cs.psu.edu> melling@cs.psu.edu (Michael D Mellinger) writes:
>
>Are 386 Unix machines relatively fast?  How do they compare, for
>example, to a Sun 3?
>
>-Mike
---------
	Depends on the speed the 386.  

	These are very rough published figures (in MIPS)

	sun3/50		1.5
	sun3/60		3.0
	sun4/110	6-7
	sun4/260	10
	sparcstation	10.5
	sun 4/330 & 390		15	(20 MHz clock)

the 86 line:

	25 MHz 386		5-6
	33 MHz 386		7-8
	25 MHz 486		15

Of course the above figures are rough.  Also, there is some question about
what constitutes a 'MIP'.  I noticed that the 25MHz 386 (running SYS V)
and the 4/110 ran neck n neck on various things (this was a subjective
measurement only).  The 386 seemed to be marginally better at somethings,
while the 4/110 was better at others.  Given the OS though, the
4/110 is a much better development environment.  For instance, if you
have large amounts of memory, it is dynamically allocated to 'ram disk
-like' usage.  Where as in System V, this hasn't been the case -- 
you allotted a fixed amount of space for disk buffers.  There are alot
of other things as well... (long file names, sym links, job control, 
standard 1000x1000 screen, standard window environment that allows
multiple tty's on your screen among other things, etc.).

-wat-

   --- An it harm none, do what you will.
*** America vs. developed country rankings: chemistry 11/13, physics 9/13
    biology 13/13, infant mortality 1/13, teen pregnancy 1/13
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From: williamt@athena1.Sun.COM (William A. Turnbow)
Newsgroups: gnu.misc.discuss
Subject: Re: Hardware and OS for free software development
Keywords: ** unofficial view only **
Message-ID: <134115@sun.Eng.Sun.COM>
Date: 6 Apr 90 23:27:36 GMT
Sender: news@sun.Eng.Sun.COM
Reply-To: williamt@sun.UUCP (William A. Turnbow)
Lines: 42
Posted: Sat Apr  7 00:27:36 1990