Article: Increasing the D Compiler Speed by Over 75%

[deadalnix]

On Wednesday, 31 July 2013 at 22:58:32 UTC, John Colvin wrote:
> 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.

To be fair, that is the only item of the list that involve 
complicated like division.