Operation Costs Measured in CPU Clock Cycles

This post was automatically copied from Operation Costs Measured in CPU Clock Cycles on eklausmeier.goip.de.

I have written on the merits of 64-bit vs 32-bit, or on the AMD Bulldozer CPU Architecture Overview. An article in ithare.com gave a very good overview about the relative performance of various CPU operations. Below is the graphic:

Not all CPU operations are created equal

Also see the often quoted Agner Fog: Instruction Tables.