Re: Image displaying performance

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#321

From: Mark Linton
Date: Tue, 14 Apr 1992 18:03

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In article <9204131225.AA02963@ds10.kagi.esed.mt.nec.co.jp>, eto@ds10.kagi.esed.mt.nec.co.jp (Miki Eto) writes:
|> 
|> I used tiff viewer using the book called "Programming with InterViews"
|> as a reference manual.
|> I measured the cost of displaying linton.tif on an EWS4800 workstation,
|> it took about 22 seconds to display the image.
|> An EWS4800 workstation contains an R3000A CPU chip (33MHz, 37MIPS).

That takes 8 seconds on my Indigo, which is a 33MHz R3000.
The problem is likely in the color map lookup or writing the pixmap.
A profile might help find out more information.  You also might try
using a TrueColor visual to avoid the round trips associated with
mapping the colors.

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Message-ID: <jhsjgdo@fido.asd.sgi.com>

Path: arc1-ca.pugleaf.net!sparky!uunet!think.com!ames!sgi!shinobu!fido!marktwain.rad.sgi.com!linton

References: <9204131225.AA02963@ds10.kagi.esed.mt.nec.co.jp>

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Newsgroups: comp.windows.interviews
Path: arc1-ca.pugleaf.net!sparky!uunet!think.com!ames!sgi!shinobu!fido!marktwain.rad.sgi.com!linton
From: linton@marktwain.rad.sgi.com (Mark Linton)
Subject: Re: Image displaying performance
Message-ID: <jhsjgdo@fido.asd.sgi.com>
Sender: news@fido.asd.sgi.com (Usenet News Admin)
Reply-To: linton@marktwain.rad.sgi.com (Mark Linton)
Organization: sgi
References:  <9204131225.AA02963@ds10.kagi.esed.mt.nec.co.jp>
Date: Tue, 14 Apr 1992 18:03:11 GMT
Lines: 13

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