[Pi 4] Cave CV1000 Performance Thread
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Ah interesting. I didn’t see any other notes on Akai Katana being slow. For me it’s not too slow to play, and responds well for the most part, but I get big drops in certain sections.
Overclock is listed as “extreme” at 1950mhz and “insane” at 2100. I wasn’t sure if I should risk that. I’m using an Argon One case which acts as an entire thermal heat sink enclosure, but I wasn’t sure about pushing it.
EDIT:
Ok I overclocked to 1950mhz and that seems to have brought it up to speed (excuse the pun). Performance is vastly improved and on testing I can’t hear anywhere near the same audio stuttering as before. I didn’t set the GPU but I have a feeling that when the mhz are overclocked in the front end it sets the GPU automatically.
I’ll keep testing but it seems great so far!
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You want max FPS in every situation - try this -> :D
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@skykid I also have a Argon One case and I have my Pi4 overclocked to 2100 MHz without issues.
There is no real risk in overclocking the CPU/GPU as the Pi automatically throttles the frequency when it overheats to more than 80°C.
There are different load tests out there, where all four CPUs of the Pi4 are working at full load. With that you can see if the system stays stable at a temperature lower then 80°C.... but even then this should be no problem, as in emulation there are seldom all four CPUs used at full capacity at the same time ...
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@sirhenrythe5th Is that yours? :D
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@ecto no, even if i like the idea.
Similar to a calculator with SSD-Harddisk :D -
@ecto Interesting. I mean, when you see the notation for 2100 and it's listed as "you're going to turn the motherboard into candlewax", that's kind of a strong deterrent. Running at 1950 does seem really good, although I might push to 2100 and see how (if) it affects some of the slowdown present on Akai Katana's stage 2 boss.
@sirhenrythe5th Incidentally looks like something out of Ghostbusters.
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@skykid my CPU and GPU have been set to 2100 and 750 since I've had the Pi 4, never had issues. Every board is different, though... hence why they call it the "silicon lottery."
I think my experience with Saidaioujou is somewhat due in part to how I play. If you bomb a healthy amount, you'll clear the screen of bullets, which naturally won't be as demanding performance wise. Hopefully retropie will be supported for the Rock 5B, because that seems like it would run all of these games without issue!
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@barbudreadmon any idea if this will be implemented into fbneo? Seems like we won't need blitter settings anymore, just CPU.
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Fbneo was updated to include the new accurate blitter delay function that MAME implemented. I haven't tested it on my Pi 4 yet, but from what I've read, it seems every CV1k game just needs CPU set to 50% now. I'll report back with my personal experience once I have a moment to test them.
https://github.com/libretro/FBNeo/commit/ba134d1c7f1d5bb57be7ec8e4056ad743c27353c
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