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Lix Development

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(Technical) development of Lix, the package manager, a Nix implementation. Please be mindful of ongoing technical conversations in this channel.140 Servers

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10 Dec 2025
@piegames:flausch.socialpiegames we won't get much faster than that (though I expect that a parse that can directly emit Bytecode should be a little bit faster still because more compact representation), but the Rust rewrite still needs to be at least as fast as now and that's no small feat 17:23:20
@piegames:flausch.socialpiegames * we won't get much faster than that (though I expect that a parser that can directly emit Bytecode should be a little bit faster still because more compact representation), but the Rust rewrite still needs to be at least as fast as now and that's no small feat 17:23:45
@commentator2.0:elia.gardenRutile (rootile)
In reply to @piegames:flausch.social
we won't get much faster than that (though I expect that a parser that can directly emit Bytecode should be a little bit faster still because more compact representation), but the Rust rewrite still needs to be at least as fast as now and that's no small feat
Could the rust version be possibly be writtten with cache in mind from the beginning?
17:25:15
@piegames:flausch.socialpiegamesyes, but the issue is, what is your cache key?17:25:37
@piegames:flausch.socialpiegamesinode number and ctime might be our best bet17:28:31
@piegames:flausch.socialpiegamesbut in terms of cachable data structures, bytecode gives us that for free17:29:02
@piegames:flausch.socialpiegames* but in terms of cachable data structures, bytecode gives us that bit for free17:29:28
@charles:computer.surgeryCharles
In reply to @piegames:flausch.social
yes, but the issue is, what is your cache key?
What do other interpreters do?
17:31:54
@piegames:flausch.socialpiegamesI don't think any other interpreters have comparable performance requirements for parsing17:33:30
@piegames:flausch.socialpiegamesif there constraints weren't as tight we could just go content-addressed and use a hash17:33:43
@qyriad:katesiria.orgQyriad bytecode is our::Qyriad's long term goal 17:35:18
@qyriad:katesiria.orgQyriad or really whenever someone pays us for it 17:35:25
@qyriad:katesiria.orgQyriad * or whenever someone pays us for it 17:35:36
@piegames:flausch.socialpiegamesI think browser engines have sufficient control over their baseline caching pipelines and what data changes when that they can probably just track what changes easily, but I'm guessing here17:36:08

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