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From: BGB <cr88192@gmail.com>
Newsgroups: comp.arch
Subject: Re: Instruction Tracing
Date: Sun, 11 Aug 2024 15:00:04 -0500
Organization: A noiseless patient Spider
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On 8/11/2024 12:27 PM, George Neuner wrote:
> On Sun, 11 Aug 2024 02:41:01 -0500, BGB <cr88192@gmail.com> wrote:
> 
>> On 8/10/2024 6:20 PM, Lawrence D'Oliveiro wrote:
>>> On Sat, 10 Aug 2024 17:49:42 -0500, BGB wrote:
>>>
>>>> Meanwhile, saw a video recently where someone had ported Doom to a 233
>>>> MHz PowerPC (running Windows NT4) machine and, its performance was not
>>>> good...
>>>>
>>>> Not obvious is what combination of factors conspired to cause Doom to
>>>> apparently run at single-digit framerates.
>>>
>>> Windows NT never meant for games?
>>
>> Windows GDI isn't fast, but it isn't usually *that* slow either.
>> WinQuake and Quake2 both used GDI to good effect.
>>
>> If Windows GDI performance is seriously broken, this is a different
>> issue from merely "not meant for games".
> 
> GDI was fine for most anything *except* video games.
>    
> If you really needed maximum performance, you used DirectX ... and
> yes, DirectX was available on NT.

Though, "back in the day", it was used to good effect in WinQuake and 
Quake2 (neither of which used DirectX, IIRC).

And, Windows NT4 seemed to get OK performance with these, at least on a 
500MHz Celeron (granted, this is from memory).

Game selection was limited at the time as a lot of other stuff would 
refuse to run on NT4.

....