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Re: Lilypond speed (was Re: How to make GNU Guile more successful)

From: Thomas Morley
Subject: Re: Lilypond speed (was Re: How to make GNU Guile more successful)
Date: Sun, 12 Mar 2017 22:07:04 +0100


2017-03-09 13:13 GMT+01:00 Ludovic Courtès <address@hidden>:
> Hello,
> Thomas Morley <address@hidden> skribis:
>> Btw, I've improved my local setup to be able to test lilypond more
>> quickly with different guile versions. Though I wasn't able to compile
>> 1.8.8, neither from the repository nor from the tarball downloaded
>> from
>> Due to:
>> async.c: In function 'scm_i_queue_async_cell':
>> async.c:243:14: error: variable 'count' set but not used
>> [-Werror=unused-but-set-variable]
>>        size_t count;
>>               ^
>> Am I missing something?
> Could you try configuring like this:
>   ./configure --disable-error-on-warning
> ?

Thanks for the hint.

>> I'm aware noone is interested in developing 1.8.8 further, though I
>> would have prefered to build lilypond with that version as well, like
>> the other test-versions.
> The performance gap in LilyPond between 1.8 and 2.0 is terrible.  I
> suppose LilyPond uses ‘eval’ to run Scheme code?  What fraction of the
> Scheme code being run for this benchmark is pre-compiled (as a .go
> file)?  Is auto-compilation enabled, and could it be that the figures
> include auto-compilation time?

I think/hope Paul answered already sufficiently.
Let me add, I'd be interested in examples of cross-compiled
applications having already done so, as well.
The guile2-manual says nothing about the best practise or perhaps I missed it.


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