Article: Increasing the D Compiler Speed by Over 75%

[John Colvin]

On Wednesday, 31 July 2013 at 21:40:45 UTC, Bill Baxter wrote:
> Are you serious that you can't fathom how it could be confusing 
> to someone
> than talking about differences in run times?
> If you say something is faster than something else you want the 
> two numbers
> to be something you can relate to.  Like MPH.  Everyone has a 
> clear concept
> of what MPH is.  We use it every day.  So to say 25 MPH is 25% 
> faster than
> 20 MPH is perfectly clear.  But nobody talks about program 
> execution speed
> in terms of programs per second.  So I think it's pretty clear 
> why that
> would be harder for people to grok than changes in car speeds 
> or run times.

It's a quite impressively unbalanced education that provides 
understanding of memory allocation strategies, hashing and the 
performance pitfalls of integer division, but not something as 
basic as a speed.