Re: [feature/native-comp] breakage on build

[Phillip Lord]

Andrea Corallo <akrl@sdf.org> writes:

> Phillip Lord <phillip.lord@russet.org.uk> writes:
>>> Correct, but if we can build eln files during the initial compilation we
>>> can also build trampolines AOT.  This is just a matter of running:
>>>
>>> (mapatoms (λ (s)    
>>>             (when (subr-primitive-p (symbol-function s))
>>>               (comp-trampoline-compile s))))
>>>
>>> Probably we should wire this in the build system so it's accessible as
>>> make target?
>>
>>
>> Why not wire it into the AOT compilation always? Obviously, if it
>> doubles the AOT compilation, that might not be such a great idea, but
>> otherwise?
>>
>> Phil
>
> That's a great question.
>
> Compiling a trampoline is about 0.2s each (mostly GCC gas ld startup
> time).  Say we have ~1400 primitives this should translate into ~4.5 min
> of build time for something that in the average case is largely unused.
>
> The trouble is that the simple code snippet I posted is not parallel and
> there's no trivial way to make make aware of all these targets to have
> it handling the parallelism.


Yeah, that's not good at all.

Phil