|tips for good rendering needed
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|Author:||Anes [ Tue Sep 19, 2006 11:01 pm ]|
|Post subject:||tips for good rendering needed|
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).
|Author:||blargg [ Tue Sep 19, 2006 11:33 pm ]|
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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