Multithreaded I/O in the DMD compiler (DDJ article by Walter)

[bearophile]

Daniel Keep:
> http://dobbscodetalk.com/index.php?option=com_myblog&show=Multithreaded-I-O.html&Itemid=29

Is this an improvement of the DMD backend? Now I'm curious: isn't DMD a legacy backend? If this is true, isn't improving it a waste of time, and time is better spent improving something like LLVM? (I am not trying to offend anyone here, I am just curious).

Bye,
bearophile