DMD is slow for matrix maths?

[David Nadlinger via Digitalmars-d]

On Tuesday, 27 October 2015 at 18:19:38 UTC, Etienne Cimon wrote:
> On Tuesday, 27 October 2015 at 18:18:36 UTC, Etienne Cimon 
> wrote:
>> LDC couldn't inline it either. My only options at this point 
>> is to write the assembly or link to a C library.
>
> Btw, DMD and LDC had similar performance.

This would be very strange in numerical code. Are you building 
all the relevant modules at once, and with `ldc2 -singleobj` or 
`ldmd` (which enables -singleobj by default)? LDC will not do 
cross-module inlining otherwise.

  — David