Impressive input latency results in test conducted between real SNES and RetroArch!
Added 2017-05-02 15:54:52 +0000 UTCBrunnis (quite the input lag authority who regularly posts on the Libretro forums) has committed several patches over the past few months which dramatically decreased input latency in NES and SNES emulator cores.
Today, he came back with some results of a science experiment he conducted. In this experiment, he tested the input latency difference between a real Super Nintendo system connected to a CRT monitor vs. RetroArch running on a PC with a SNES core.
What he came back with were quite some impressive results - RetroArch seems to only lag behind a real SNES by only 1 input lag frame! It has become 'accepted wisdom' in many circles that an emulator introduces about 3/4 frames of input lag and that therefore an emulator can never get close to the real thing. Needless to say, for RetroArch to achieve these quite low numbers takes even us aback as we never really went to the effort of conducting any kind of science experiment to put this to the test.
If you want to read more about his findings, read this thread -
https://forums.libretro.com/t/an-input-lag-investigation/4407/424
Comments
Will this affect other ports, i.e. Wii U port?
the_randomizer89
2017-05-02 16:29:19 +0000 UTCThese real meat and potatoes posts are invaluable. Very interesting. It was only last week I heard people discussing snes CRT latency as zero.
Potato Fingers, Tomato Head
2017-05-02 16:09:38 +0000 UTC
