3 ms·mov eax,64 lzcnt r8,rcx sub eax,r8d imul eax,1233 shr eax,12 Accurate to within 1.by Cold_Miserable 2y agomov eax,64 lzcnt r8,rcx sub eax,r8d imul eax,1233 shr eax,12 Accurate to within 1.