This seems to speed up copy! What does it slow down?
MHOUX5JFGBFYMOULX3NZA2JXH6PF2227DT54EEXLBUZQFO7NDI2AC
WQOSZSUESLH4YRMW3PIWGSEC7RS243324PBROJP2KPRFJ3NFSEZQC
NEXUNNCF5PJC57XAMQGMSSYNI7MJ4ARWDY3HFGVYMGWG3MPHG7CQC
OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC
if rawget(_G, 'jit') then jit.off() jit.flush() end
if rawget(_G, 'jit') then
jit.off()
jit.flush()
end