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db69df3216
Simplify some term search tactics Working on the paper `@phijor` found that "Data constructor" tactic could be simplified quite a bit by running it only in the backwards direction. With n+1 rounds it has same coverage as previous implementation in n rounds, however the tactic it self is more simple and also potentially faster as there is less to do. In a nutshell the idea is to only work with types in the wish-list rather than with any types. Turns out it is quite a bit faster: Before: ``` ripgrep: Tail Expr syntactic hits: 238/1692 (14%) Tail Exprs found: 1223/1692 (72%) Term search avg time: 15ms nalgebra: Tail Expr syntactic hits: 125/3001 (4%) Tail Exprs found: 2143/3001 (71%) Term search avg time: 849ms ``` After ```` ripgrep: Tail Expr syntactic hits: 246/1692 (14%) Tail Exprs found: 1209/1692 (71%) Term search avg time: 8ms nalgebra: Tail Expr syntactic hits: 125/3001 (4%) Tail Exprs found: 2028/3001 (67%) Term search avg time: 305ms ```` _Also removed niche optimization of removing scope defs from the search space as this wasn't helping much anyway and made code a bit more complex._ |
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