22nd November 2016

Operation Costs Measured in CPU Clock Cycles

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:


The above image is from IT Hare on Soft.ware.

Also see the often quoted Agner Fog: Instruction Tables.

Categories: C / C++, CPU, hardware, programming
Author: Elmar Klausmeier