I definitely noticed an improvement :)
I was playing toy story 2 before and it struggled a lot even with the usual tweaks, now there's still some slowdowns but overall it's better without even messing with the core options, and with the tweaks it...
New Update for the PCSX Rearmed Unai Core, speed is up please try this build and see how it performs for you guys :)
(Same as before. Extract this zip into your Retorarch folder and delete the cache file in your info folder if you have one...
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi