I wish they used benchmark.net for measuring performance. It can give much more trustworthy measurements for such microoptomizations.
> Further, normally such testing is best done with a tool like BenchmarkDotNet; I’ve not done so for this post simply to make it easy for you to copy-and-paste the samples out into a console app and try them.
We love BenchmarkDotNet and use it (and other perf tools) quite a lot internally.