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IntersectMBO
[Builtins] [Costing] Add 'paramMultiplyIntegerV2'
This shows how to add a new way of costing an already existing builtin.
This would require the cost model to have parameters for both "versions" of the builtin, right? Even though one is unused.
This would require the cost model to have parameters for both "versions" of the builtin, right? Even though one is unused.
Yes, but the unused ones are still used somewhere and so they need to be stored somewhere, so we could probably as well store them here?
Anyways, what's the alternative? To have extensible built-in models, create those huge BuiltinCostModelBase-like records each duplicating 90% of the previous one as well as a whole lot of supporting code? Have "delta" records overloading behavior for certain builtins and complicating the logic by a huge margin? Like what else can we possibly do?
That's why there was a big spike for thinking about it! I haven't thought about it much, but maybe there's a way? Maybe not, though.
@kwxm requesting your review just so you can take a look.
I think this PR has served its purpose of providing an example of having versioned costing, so I'm closing it.