DMD backend quality (Was: Re: DIP 1031--Deprecate Brace-Style Struct Initializers--Community Review Round 1 Discussion)

matheus matheus at gmail.com
Tue Feb 18 18:50:44 UTC 2020


On Sunday, 16 February 2020 at 00:16:24 UTC, H. S. Teoh wrote:
> Unfortunately, the GDC and LDC optimizers consistently produce 
> code that outperforms code generated by the DMD backend by 
> 20-30%, sometimes as high as 40% for CPU-intensive code...

Well these numbers are huge, I never thought the difference would 
be higher than 10% between these compilers, thanks for pointing 
this out.

I use old DMD for my hobby projects in D, but now I'll test both 
GDC/LDC.

Matheus.


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