Why is std.math slower than the C baseline?

[Timon Gehr]

On 04.06.20 16:40, Timon Gehr wrote:
> On 04.06.20 16:14, Andrei Alexandrescu wrote:
>> D should just use the C functions when they offer better speed.
>>
>> https://www.reddit.com/r/programming/comments/gvuy59/a_look_at_chapel_d_and_julia_using_kernel_matrix/fsr4w5o/ 
>>
> 
> In one of my projects I had to manually re-implement all functions that 
> currently forward to libc, because libc is not portable.

(Note that this also means if you need portability you have to fork all 
your dependencies that use Phobos math functions.)