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How to optimize C and C++ code in 2018

by Iurii Krasnoshchok

From the article:

We are still limited by our current hardware. There are numerous areas where it just not good enough: neural networks and virtual reality to name a few. There are plenty of devices where battery life is crucial, and we must count every single CPU tick. Even when we’re talking about clouds and microservices and lambdas, there are enormous data centers that consume vast amounts of electricity.

Even boring tests routine may quietly start to take 5 hours to run. And this is tricky. Program performance doesn‘t matter, only until it does.

A modern way to squeeze performance out of silicon is to make hardware more and more sophisticated...