Profile-guided optimization (PGO)

[David Nadlinger via digitalmars-d-ldc]

On 11 Dec 2015, at 1:26, Johan Engelen via digitalmars-d-ldc wrote:
> After two more bug fixes: the regexp microbench now works.
> […]
> Disappointing, but well... it works!

Don't forget that this was just a random program I pulled from the 
Rosettacode compilation, though – I didn't have a benchmark ready 
where I know that branch prediction or inlining improvements would make 
a difference.

  — David