On Tuesday, 27 September 2016 at 10:44:28 UTC, Guillaume Piolat wrote:
On Tuesday, 27 September 2016 at 01:17:16 UTC, Andrei Alexandrescu wrote:
I'm not going to argue this much further. Essentially Mir is touted as a highly generic and portable library. Having it only work on one language implementation works against that statement, the credibility of Mir, and the credibility of D as an universal platform for creating fast code.

Isn't it just a matter of adding "version(LDC)" around the more optimized blocks?
Having it work in DMD, however slower, is good enough.

(copying from the previous thread:)

I thought so too but if the algorithm is 50x slower, it probably means you can't develop that algorithm any more (I wouldn't). I think the common use-case for Mir is a calculation that takes seconds, so 50x turns a test into a run of several minutes, defeating the compilation speed advantage of DMD. The way I see it, faster development with Mir+DMD is not possible.

It is easy to want something, but someone else has to do it and live with it too. It's up to the Mir devs (**volunteers!**) to choose which compilers they support. As you can see from the PR that removed DMD support, the extra burden is substantial.
https://github.com/libmir/mir/pull/347

An extra subjective comment from recent experience: I think LDC has been very responsive to Mir's needs, thinking _with_ Mir development instead of fighting it and debating things to death. Imagine you are developing Mir, want to get something done, and then read the discussion starting here
https://forum.dlang.org/post/brieiuuuslpzfeiox...@forum.dlang.org
The LDC PR with the requested functionality was submitted less than two weeks after
(pull was stalled because we don't control our own frontend).

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