![]() I tried this and as far as I can remember, it shaved off one more frame. He was using a RealTime kernel version of Raspbian. There was another member here who was also experimenting with different settings etc to try reduce the lag, but I think he gave up on it too. At least I know this will remove 2 frames of lag, then I can start messing around with the settings again and see if I can reduce the lag some more. I’ve actually given up for the moment…I’m keeping my eye out for an old CRT TV that I can hack a Pi into. Tried a couple of different men splits (256/768 & 512/512) but it didn’t make a difference. So my question is what’s your setup and how is your input lag? Any suggestions as to how I can reduce this? Overclocked using the “Pi2” setting in raspi-config I know input lag has been covered before but I’ve yet to find a solution that works. I also tried SMW on the SNES and got a slightly greater lag (jump triggered at frame 11). Also tried a wired keyboard and a BT DualShock 3 and while I wasn’t able to test accurately (my PCB is literally hacked together and thus only works with the SNES pad) the lag ‘felt’ the same. The jumping animation doesn’t trigger until 9 frames have passed, deducting the 2 frames caused by my TV means that something (RetroPie/ES/emulator, or the Pi itself) is creating a 7 frame delay. I set up my camera to record 60fps and this is what I got This means that when the switch is closed, the LED illuminates at *exactly the same time the jump button is “pressed”. For testing purposes I botched together a circuit consisting of a DPST switch with one set of terminals connected to a powered LED and the other set connect to the A/Ground connections on a SNES pad (which in turn is connected to the Pi via a SmartJoy USB adaptor). However, when running the NES emulator I’m noticing an increased lag. Ran a quick 60fps counter video on my laptop (hooked up to the TV) and got the following ġ frame = 16ms and from what I’ve read my TV has a 31ms lag, so this test seems about right. ![]() To check that it wasn’t my TV causing the issue I made sure it was all set up correctly (HDMI input labeled “PC” and AV mode set to “Game”). So I got RetroPie up and running, copied some ROMs over only to find that the input lag on my setup is horrendous. ![]()
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