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From: spike@adt.UUCP (Joe Ilacqua)
Newsgroups: comp.sys.sgi
Subject: Re: 4D/70 question
Message-ID: <8902071628.AA16912@adt.uucp>
Date: 7 Feb 89 16:28:36 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
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<We have a 4D/70G which seems to run graphics very slowly compared to
<older Iris models. [...] Is it possible that the 4Sight windowing system
<is the cause of this slowdown?

	One thing to check is, if you are not using Gouraud shading, be
sure you have a 'shademodel(FLAT)' near the start of your program.
If you do not, everything will be drawn Gouraud shaded.  This was
causing a huge preformance hit on some code we ported to a 4D/70.

Joe Ilacqua
Associative Design Technology