RE: AMD Dual Core CPU's
- From: "Billy Verreynne \(JW\)" <VerreyB@xxxxxxxxxxxx>
- Date: Tue, 31 Jan 2006 10:02:32 +0200
Title: RE: AMD Dual Core CPU's
Sasha Tsykin wrote:
> the majority of processes are handled by the cpu,
> but the graphics is usually the point where the computer
> can't cope. For example, my friend has an old p4 cpu from
> 2 years ago with only 2Ghz
<snipped>
Well, who do I believe.. my own experience as a developer of over 20 years.. industry experts such as David Blythe, Microsoft's software architect for Windows Graphics & Gaming Technologies... or you and your friend's limited experience on an old system?
David Blythe, in his presentation at July's DirectX Meltdown 2005 conference (www.microsoft.com/directx), flatly stated that "games are CPU-limited".
I'm moderate and co-own the X-Plane Development mailing list (see www.x-plane.com for the software). I know Austin (the guy who writes X-Plane) for almost a decade now. He on numerous occassions stated in technical discussions we had that CPU is the major limiting factor. In fact, in recent releases he switched to a multi-thread model in the core simulator engine to address this and support platforms that have the CPU capacity for it.
>> What did you not understand Sasha? I clearly stated that even single
>> threaded games are using a multi-threaded model when running on
>> DirectX.
>
> most aren't. You're not correct.
Bs! Please show me a -single- game on the Windows market today that does not use DirectX.
And the processing model used by DirectX is not unique to Windows. On all other platforms too there are things that a game does not have the time to wait on. Like making calls to play sound. Reading textures into the game cache. Making a network call during multiplay.
These are all async calls. Which means the calls are serviced by system/kernel based processes. At the same time as the game continues running.
> if cpu requirements go up, that does not mean that extra capacity, as you put
> it will help.
More bs. Or are you telling me that my 12 node Linux/Sun cluster is not about CPU capacity meeting increase CPU requirements?
> Extra speed will. Lower latencies will. A non-integrated sound card
> will (lower cpu utilization). An extra core will not because this is
> not mutithreaded.
You are confusing ASIC's with multi-threading (a software model) with the dual CPU capabilities.
> no at all. It is usually a bottleneck, just not the most important one.
Please tell that to the developers of today's game and that they have it all wrong.
> I'm neither confusing nor confused.
Ignorant then? Or simply having an opinion on everything?
> Starting with a manners breach is silly though, and does nothing for you argument.
When it looks like bs and smells like bs.. I call it bs. But then that is just me...
--
Billy
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