The PlayStation 3’s Cell Broadband Engine was fairly unlike any other processor. It had capabilities that make emulating the system surprisingly demanding, even for modern hardware. As we’ve reported before, the AVX-512 SIMD extensions help with this quite a bit, but Intel cut off support for the instructions in its 12th and 13th-generation

Source: Hot Hardware – PlayStation 3 Emulator RPCS3 Adds AVX-512 Support On Zen 4 For A Huge Gaming Boost