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Re: Performance improvements

From: Ludovic Courtès
Subject: Re: Performance improvements
Date: Sat, 19 Oct 2019 22:17:09 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Jan Nieuwenhuizen <address@hidden> skribis:

> Ludovic Courtès writes:
>> I just wanted to share that recent commits have improved the performance
>> of ‘package-derivation’ and related operations quite a bit:
>>   8f417ed280 gnu: commencement: Further optimize the package object graph.
>>   f618134e4c build-system/gnu: 'package-with-explicit-inputs' uses 
>> 'package-mapping'.
>>   dab669e075 gnu: ld-wrapper: Memoize.
>>   099dbc4fd3 gnu: Improve memoization of 'package-with-bootstrap-guile'.
>>   99b73d0f0c gnu: commencement: Reduce the graph of package objects.
>>   9a45a24f7f gnu: Remove unnecessary uses of 'package-with-bootstrap-guile'.
> Ah, that's great!  We get graph images that are actually usable,

Yes, that’s a pleasant side effect.  :-)

> and this makes more space for me to slightly worsen things again with
> my Scheme-only bootstrap experiments, coming real soon now ;-)



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