Naive node.js faster than naive LDC2?

[Avrina]

On Saturday, 22 August 2020 at 19:20:34 UTC, Andrei Alexandrescu 
wrote:
> On 8/22/20 1:40 PM, kinke wrote:
>> On Saturday, 22 August 2020 at 16:15:14 UTC, H. S. Teoh wrote:
>>> 3) std.math.fmax calling the C library (involving a PIC 
>>> indirection to a
>>> shared library as opposed to inlineable native D code).
>> 
>> Yes, and that's because there's only a `real` version for fmax.
>>
>> If upstream Phobos had proper double/float overloads, we could 
>> uncomment the LDC-specific implementations using LLVM 
>> intrinsics, which use (obviously much faster) SSE instructions:
>> 
>> https://github.com/ldc-developers/phobos/blob/1366c7d5be65def916f030785fc1f1833342497d/std/math.d#L7785-L7798
>> 
>> 
>> Number crunching in D could be significantly accelerated if 
>> the people interested in it showed some love for std.math, but 
>> we've had this topic for years.
>
> Ow, do we still suffer from that? Sigh.
>
> https://github.com/dlang/phobos/pull/7604/files
>
> It's 10 minutes of work - as much as writing a couple of posts, 
> and much more satisfactory.

Cos, sin, tan, asin, acos, atan, etc.. There's still more, 
putting in the actual work that std.math needs is going to take 
more than 10 mins.