SHLD isn't Any Faster than IMUL

https://software.intel.com/sites/default/files/managed/9e/bc/64-ia-32-architectures-optimization-manual.pdf


see instruction latency appendix. That means you can multiply without any hacks. But division is still much more expensive than right shift.

>>23

I will just average it out.

Averaging strips precision and requires large statistical base. You will have to literally DDoS the attacked machine. You will get noticed and give yourself up.