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:

Not all CPU operations are created equal

Also see the often quoted Agner Fog: Instruction Tables.


Statistics of this Blog: Crossed 40.000 Views

This blog was viewed more than 40.000 times and had more than 30.000 visitors. As in this post, here are the numbers:


All these increases by 10.000 views all come roughly every eight months, see 30.000 (Jan-2016), 20.000 (Apr-2015), 10.000 (Sep-2014). So I kind of have reached a steady-state.

The averages per day are: Continue reading