The RPCS3 PS3 emulator gets a hefty boost on Intel Alder Lake CPUs with AVX-512 enabled

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The developers of the RPCS3 emulator have announced some interesting results after testing with 12th Gen Intel Elder Lake CPUs. In short, if you’re playing PS3 games on your PC, you’ll get the best results ever with a 12th generation system.

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RPCS3 is an open source PlayStation 3 emulator, and very good at that. The PS3’s cell architecture is notoriously complex to emulate, and running it on a PC is a huge achievement. The team recently announced that its emulator can boot every PS3 game ever released. That doesn’t mean they’re all playable, but when measured against the position of some emulators, that’s no trivial feat in itself.

The RPCS3 emulator is coded to take advantage of the AVX-512 instruction set, which is officially disabled on 12th generation processors and suffers a lot of responsiveness due to its additional power consumption and heat generation characteristics . Although it is still there, but late in the development of Elder Lake, Intel decided to disable it.


To enable it, you must disable the efficient E-core of the processor. The results are impressive as seen in the screenshots tweeted by the RPCS3 team. Additionally, it has been suggested that disabling hyperthreading also helps.

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Using God of War as an example, a Core i9 12900K, with eight P-cores and eight threads, was able to beat a similarly configured Core i9 11900K by 10fps, moving from 68 fps to 78. Going up to FPS. In systems that are otherwise identical, this is a huge leap forward and highlights the raw IPC advantage offered by 12th generation processors. Retro PS3 gaming just got a lot more enjoyable.

The world of console emulators may be hazy, but it’s always worth noting that piracy of games themselves is illegal. So, if you want to play PS3 games on your PC, you have to do it with the games that you already have.

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