Andrei Alexandrescu needs to read this

[Daniel Kozak]

On Wed, Oct 23, 2019 at 11:40 PM welkam via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
>
> I watched many of his talks and he frequently talks about
> optimization that produce single digits % of speed up in
> frequently used algorithms but doesnt provide adequate prove that
> his change in algorithm was the reason why we see performance
> differences. Modern CPUs are sensitive to many things and one of
> them is code layout in memory. Hot loops are the most susceptible
> to this to the point where changing user name under which
> executable is run changes performance. A paper below goes deeper
> into this.
>
> Producing Wrong Data Without Doing Anything Obviously Wrong!
> https://users.cs.northwestern.edu/~robby/courses/322-2013-spring/mytkowicz-wrong-data.pdf

https://www.youtube.com/watch?v=r-TLSBdHe1A&t=20s