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Simplify lazy DefPathHash decoding by using an on-disk hash table. by michaelwoe...

 2 years ago
source link: https://github.com/rust-lang/rust/pull/82183
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michaelwoerister commented on Feb 16 •

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This PR simplifies the logic around mapping DefPathHash values encountered during incremental compilation to valid DefIds in the current session. It is able to do so by using an on-disk hash table encoding that allows for looking up values directly, i.e. without deserializing the entire table.

The main simplification comes from not having to keep track of DefPathHashes being used during the compilation session.


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