Official compiler

[Kai Nacke via Digitalmars-d]

On Thursday, 18 February 2016 at 17:23:09 UTC, rsw0x wrote:
> On Thursday, 18 February 2016 at 11:41:26 UTC, Kai Nacke wrote:
>> On Thursday, 18 February 2016 at 10:45:54 UTC, Márcio Martins 
>> wrote:
>>> I suppose it's a lot easier to address the compilation speed 
>>> issue in LDC/GDC, than to improve and maintain DMD's backend 
>>> to the expected levels, right?
>>
>> LLVM has about 2.5 million code lines. I am anything than sure 
>> if it is easy to improve compilation speed.
>>
>> Regards,
>> Kai
>
> Sorry for being off topic,
>
> Rustc(uses LLVM) has a parallel codegen compilation mode that 
> decreases optimization for a (major AFAIK?) decrease in 
> compilation time when compiling multiple files. Would it be 
> possible for LDC to offer the same thing without a major 
> rewrite? I'm unfamiliar with the LDC codebase which is why I 
> ask.
> Probably worth noting that even with parallel codegen rustc is 
> still far slower than ldc.
>
> reference:
> https://internals.rust-lang.org/t/default-settings-for-parallel-codegen/519

 From time to time I dream about compiling modules in parallel. :-)

This needs some investigation but I think it could be possible to 
spawn a thread per module you are compiling (after the frontend 
passes). Never digged deeper into this...

Regards,
Kai