How to tune numerical D? (matrix multiplication is faster in g++ vs gdc)

[John Colvin]

On Monday, 4 March 2013 at 14:59:21 UTC, bearophile wrote:
> Manu:
>
>> Does D support proper square array's this way? Or does it just 
>> automate allocation of the inner arrays?
>> Does it allocate all the associated memory in one block?
>
> Maybe you should take a look at druntime code.
>
> Bye,
> bearophile

As far as I know it's just a way of automating the allocation, it 
expands out to the necessary loops.