Why is PS3 emulation so fast: RPCS3 optimizations explained

In this video I explain why PS3 emulation is so fast, and I definitely don’t spend half of the video gushing over x86 instructions. I sort of made this video as a response to all the videos with a title along the lines of “why is the PS3 hard to emulate“ without actually going into any technical details beyond “the PS3 is complex“. Additional reading: RPCS3 blog: My blog on AVX-512 and RPCS3: RPCS3 youtube channel: @RPCS3_emu FOSDEM video on RPCS3 internals by AlexAltea PS3 hardware overview Chapters 0:00 Intro 2:05 SPU introduction 2:20 SPU Xfloat 4:34 Ninja Gaiden Comparisons 5:27 Specific SPU FP instructions 8:46 SHUFB 11:14 SHUFB performance discussion 12:30 VGF2P8AFFINEQB path 16:14 VPERM2B 17:35 ISA and performance 19:17 Loads and stores 20:49 Sleepy Nier 21:48 Conclusion