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PostPosted: Tue Sep 19, 2006 11:01 pm 
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Joined: Tue Dec 21, 2004 8:35 pm
Posts: 600
Location: Argentina
well im back to nes emulation scene.. :)

I just want some tips to make rendering faster, when i rip off rendering from the emulator, that means not to display anything to screen the emu (cpu, ppu, apu, etc) takes 4%~ of cpu time when i turn it on it takes 35%~ in a Pentium 4 2.8, visual c compiled and optimized at maximum (of course).
Help!!

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ANes


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PostPosted: Tue Sep 19, 2006 11:33 pm 
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Joined: Mon Sep 27, 2004 8:33 am
Posts: 3715
Location: Central Texas, USA
Run a profiler. Once you've done that (which I imagine you won't), try the following:

* Leave rendering in but disable the last step of drawing it to the screen. What is performance now?
* Malloc a memory buffer and (invisibly) render to that. What is the performance now?

How does your renderer work in general?


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