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this post was submitted on 22 Mar 2024
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Gaming
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That's so weird. This isn't about Nintendo hardware sucking: it's running on an actual Nintendo Switch, except instead of it using the Switch's OS and it running the game, it goes Linux -> Emulator (yuzu) -> game (running from an actual cart through a dumper) and somehow that's faster.
It's a software issue.
Is it the Nintendo Switch OS which is needlessly bloated? It does nothing, how can it be heavier than an actual Linux Distribution?
I'm not familiar with how the Switch works, but the dumper has a FPGA for decoding the cartridge. Is this something that the Switch has to do in real time in software, and maybe that's where the performance loss comes from? It seems unlikely but I know nothing of the Switch's internals or software. In fact let's just say I know nothing at all, I'm just an idiot.
PS: Everyone who buys used Switch games should see this until the end. The dumper allows you to extract a certificate file from a cartridge. Basically, someone malicious could buy a new game, dump it including the certificate file, clone it, and resell the game. Then they would be able to play online with it. If you buy the original copy afterwards and play online, you are likely going to be the one whose certificate is flagged as fake, leading to you being banned.
Also, they could just sell multiple copies of cloned games and you wouldn't be able to tell the difference... Except for the certificate, which would be the same and would signal Nintendo that you (and like 10 other people) are playing a fake game, unbeknownst to you.
AFAIK the OS is based on a microkernel and the modules are rather small, so there's probably a lot of overhead for IPC. Also I guess the power management is quite aggressive to increase battery life and lower heat.
Yeah power management is the most likely culprit here. What is not shown is his battery life and thermals which I suspect are deplorable.
I remember there being a mod for cfw that unlocked a manual power setting slider and the results were similar.
Additionally, as a high level emulator Yuzu sacrifices some accuracy for speed. It’s possible that this allows it to also be faster than the official implementation.