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000241_owner-lightwave@webcom.com_Mon May 22 08:33:17 1995.msg
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1995-06-03
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Date: Thu, 18 May 95 13:05:26 EDT
From: Todd Aubin <taubin@FASTech.Com>
Message-Id: <9505181305.A08027@felix.fastech.com>
To: lightwave@webcom.com, bpj1@titan.np.ac.sg
Subject: Re: LW slower under Win95!!
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>From the book "Inside windows 95", its says that on win32s, the system
detects whether or not the application is 16-bit or 32-bit. I here that
LW40 is a 16-bit application (someone correct me).
Now on Win32s on top of WW3.1 the stuff looks like 16-bit so it runs
directly without any mapping translations.
On win95, and winNT3.5, the 16-bit calls get changed to 32-bit calls
via a gates-ism called "Thunking". The 16-bit call has to be converted
to a 32-bit thread chunk and then a call is made to the 32-bit os.
On the way up the same thing has to happen.
If its any consolation, I here that people with 16-bit applications get
better performance on NT35 than on Win95. Plus its probably the one
Microsoft product that microsoft-haters actually enjoy, and admit to
it at parties!
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Subject: LW slower under Win95!!
Author: bpj1@titan.np.ac.sg at felix
Date: 5/18/95 4:35 PM
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Date: Thu, 18 May 1995 16:35:27 +0800 (SST)
From: Peter Bowmar <bpj1@titan.np.ac.sg>
To: lightwave@webcom.com
Subject: LW slower under Win95!!
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Well, it's possible I could be doing something wrong, since I hate
Microsoft OSs with a passion and therefore end up not knowing much about
them, but Lightwave Prerelease, far as I can tell, runs slower under
Win95 than Win3.1 + Win32s. Doesn't make sense, but neither does a world
where Microsoft is the standard!
The stats:
The Juggler, loaded direct from HD, hit F9 (trace shadows, ref, med res
NTSC d2, AA low, Adapt 8 - I think, but each machine was identical)
Win3.1+Win32: 2min 9sec
Win95: 2min 38sec
These are IDENTICAL Pentium 90mhz, 32mb RAM.
Lightwave for 3.1 was installed with Win32s when it asks. Lightwave for
Win95 was installed as though under NT (as advised on this list.) Anybody
got any ideas?
------------
Peter Bowmar
------------
And remember, if it says "Microsoft" you know it sucks!
--
Peter Bowmar <bpj1@titan.np.ac.sg> sent this message.
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--
Todd Aubin <taubin@FASTech.Com> sent this message.
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