Pi Zero poor emulation performance & stutter
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@gerry69 maybe you've already tried this but sometimes it's worth lowering the screen resolution in RasPi-Config for a performance boost
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@lister-of-smeg Thanks, I tried it but it didn't change anything - not even a bit. Did even a complete reinstall on a different SD card. Didn't help. Maybe I should try a hammer ;)
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@gerry69 very odd?
a clean install and changing the default emulator to lr-picodrive should give good results with master/mega games
your case shouldn't affect anything but it's easy to eliminate - just take the pi out (static can cause weirdness but i've never seen it with a pi) -
@gerry69 said in Pi Zero poor emulation performance & stutter:
I have tried different sound and video drivers and different emulators - all with the same result
the default are optimal.
Maybe the vram-setting has to be adjusted?
the vram setting in emulationstation is nothing to do with emulation, only emulationstation. the memory split documentation is here: https://retropie.org.uk/docs/Memory-Split/ (on an official retropie image it doesn't need adjusting)
to fully diagnose issues please provide all the information requested here, including verbose log of (say) badly performing megadrive game: https://retropie.org.uk/forum/topic/3/read-this-first
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@lister-of-smeg Tjanks, I'll check that to exclude static problems.
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@dankcushions Thank you for your reply and for reassuring me that the default drivers are not the problem and that the shared RAM needn't be shifted in either direction - was worried that 512 MB might be a bit short.
I will try to post the verbose log later this day. Thanks again for your help! -
@gerry69 Just did a 3rd fresh reinstall and to my surprise Seg Mega worked quite well -with very little stuttering. BUT after I ran the setup - keyboard language, filesystem expand, WiFi, updates, additional emulators - the heavy stuttering was back. Turning off WiFi and BT doesn't help. I don't understand this. So the only solution is probably go with another fresh install, although that means no z-code adventure games and no C64, which is shit. :(
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@gerry69 Is your keyboard Bluetooth by any chance? I wonder if that's causing the slowdown
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@gerry69 again, without a verbose log we'd be guessing. please supply one.
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@retropieuser555 no, it's USB
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@gerry69 Conclusion:
I thank you all for trying to help me!
As I was about to reinstall again (!) I discovered Recalbox as an alternative distro and thought I'd give it a try (forgive me). While on Retropie Vice refused to install, and lr-Vice had to be compiled 3 hours for stuttering results and Sega Mega Drive was unplayable with both emulators, in Recalbox EVERYTHING works perfectly smooth without even the need of setting up or installing anything.
So I hope you all understand that at this point - after at least 20 hours of trying to get Retropie going - I give up and go happily with Recalbox.
Thanks again anyway - cheers!
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