Disappointing math performance compared to GDC

[Russel Winder via digitalmars-d-ldc]

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On 08/10/14 12:29, Trass3r via digitalmars-d-ldc wrote:
[…]
> * Never ever use std.math as you will get the insane 80-bit
> functions.

What can one use to avoid this, and use the 64-bit numbers.

> * core.math has some hacks to use llvm builtins but also mostly
> using type real. * core.stdc.math supports all types but uses
> suffixes and maps to C functions. * core.stdc.tgmath gets rid of
> the suffixes at least. Best way imo to write code if you disregard
> auto-vectorization. * you can also use ldc.intrinsics to kill
> portability. Hello C++.
> 
> And there's no fast-math yet: 
> https://github.com/ldc-developers/ldc/issues/722

Is there any work to handle the above? Does GDC actually suffer the
same (or analogous) issues?


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