#Letter# ## #64-bit Adder# #64-bit Adder# #64-bit Adder# #64-bit Adder# #256-bit SIMD Adder# #Result# #A# #B# #4 64-bit add ops# #latex:\pause# #256-bit Adder# #Cout# #CA# #Cin# #4 64-bit adde ops# #latex:\onslide<1->#