Alberto

>**What happens when the surface is mutated? Someone else blits to it, someone draws on it, anything.** If the surface is modified, the calculated clumps become invalid and must be...

> I checked, there are 0 instances of a normal function usage of fastcall and keywords in the pygame-ce codebase, so this is not a standard this PR should be...

Cool to see some research being done in this field. I've done some similar research in the past: - https://discord.com/channels/772505616680878080/772940667231928360/1150202403895906465 - https://discord.com/channels/772505616680878080/772940667231928360/1150194726025314414 This has everything to do with the cache...

> I guess for this issue, (and pygame-ce more generally) it would be good to experiment with the implications of aligned loads and stores in AVX2? Perhaps we could also...

Since this has been up for a long time I've also added the SSE2 RGB blitter.