Hardware Upgrade Forum - View Single Post - nVidia NV30: e se la memoria fosse clockata ad 1GHz?

Gohansupersaiyan4 · 23-10-2002, 20:11

Allora un Hdtv costa a partire da 650 dollari se t sembra tanto a me non lo sembra proprio.

Fatti un giro su un forum americano e lo constaterai tu stesso.

Allora naturalmente prendi come esempio ut2003 che non usa a pieno vertex e pixel shaders, mentre invece doom3 si basa su quelli...

Ora qui ci sono giochi su xbox che per come numero di poligoni un p3 733 non riuscirebbe mai a gestire, come fa ?

E come mai ha la cpu liberaper fare altre cose a detta dei programmatori , come ad esempio quelli di morrowind :

"And just FYI, the real limitation on the Xbox is NOT the CPU -- it's the memory. Only 64MB total, and that is shared system and graphics RAM. Yes, you can use the hard disk drive and create virtual memory -- we do it -- but you have to use that judiciously because it is very slow compared to system RAM. But that limitation certainly did not affect the lighting.

WormGod on taking advantage of the Nvidia hardware better: We take so much advantage of it that it filed for a restraining order on us. "

Da anandtech :

http://www.anandtech.com/showdoc.html?i=1561&p=14

" The Xbox host CPU however is the very well known Coppermine derived core which although has the unfortunate limitations of the x86 ISA, also carries the benefits of being a very well known architecture with much ISV support. The processor runs at a higher clock rate than the EE but we all know the meaninglessness of clock rate as a single performance metric. What is important to note is the 128KB L2 cache with a 256-bit data bus comes in quite handy in keeping the execution units of the processor busy and even more important is that the CPU does not have to handle any of the T&L calculations. If games are written properly the host CPU should only be used for AI, physics and other such calculations, leaving the GPU to handle all of the T&L and actual 3D rendering. Removing developers from the mindset of the host CPU handling T&L has apparently proved somewhat difficult but the better looking games are testament to the potential of the Xbox GPU when utilized properly. "

Ciao !

23-10-2002, 20:11	#73
Gohansupersaiyan4 Senior Member Iscritto dal: Mar 2002 Città: hell's kitchen Messaggi: 1388	Allora un Hdtv costa a partire da 650 dollari se t sembra tanto a me non lo sembra proprio. Fatti un giro su un forum americano e lo constaterai tu stesso. Allora naturalmente prendi come esempio ut2003 che non usa a pieno vertex e pixel shaders, mentre invece doom3 si basa su quelli... Ora qui ci sono giochi su xbox che per come numero di poligoni un p3 733 non riuscirebbe mai a gestire, come fa ? E come mai ha la cpu liberaper fare altre cose a detta dei programmatori , come ad esempio quelli di morrowind : "And just FYI, the real limitation on the Xbox is NOT the CPU -- it's the memory. Only 64MB total, and that is shared system and graphics RAM. Yes, you can use the hard disk drive and create virtual memory -- we do it -- but you have to use that judiciously because it is very slow compared to system RAM. But that limitation certainly did not affect the lighting. WormGod on taking advantage of the Nvidia hardware better: We take so much advantage of it that it filed for a restraining order on us. " Da anandtech : http://www.anandtech.com/showdoc.html?i=1561&p=14 " The Xbox host CPU however is the very well known Coppermine derived core which although has the unfortunate limitations of the x86 ISA, also carries the benefits of being a very well known architecture with much ISV support. The processor runs at a higher clock rate than the EE but we all know the meaninglessness of clock rate as a single performance metric. What is important to note is the 128KB L2 cache with a 256-bit data bus comes in quite handy in keeping the execution units of the processor busy and even more important is that the CPU does not have to handle any of the T&L calculations. If games are written properly the host CPU should only be used for AI, physics and other such calculations, leaving the GPU to handle all of the T&L and actual 3D rendering. Removing developers from the mindset of the host CPU handling T&L has apparently proved somewhat difficult but the better looking games are testament to the potential of the Xbox GPU when utilized properly. " Ciao !