what PS 2.0 instructions need additional clock to execute?

[991060]

can't type the whole headline,not enough space

I'm asking what PS2.0 instruction need addition clock to execute in FP32 mode. I can't find the related info in SDK document shader reference,can anyone enlighten me?

 

[OpenGL guy]

Re: what PS 2.0 instructions need additional clock to execut

can't type the whole headline,not enough space

I'm asking what PS2.0 instruction need addition clock to execute in FP32 mode. I can't find the related info in SDK document shader reference,can anyone enlighten me?

That's completely platform dependent. HW may be able to execute all instructions in a single cycle, or may be able to execute no instructions in a single cycle. If you mean what instructions are macros, then that falls under the same rules.

 

[991060]

ok,thanks,could you tell me where I can get the detail?
did nvidia or ati publish some papers/presentation/speech about it?

 

[mboeller]

You mean something like this :

http://www.3dcenter.de/artikel/cinefx/index3_e.php

 

[991060]

yes,I have seen the article,it's excellent.

is there the equivalent table on R3XX architecture?