Router: absorb some penalty in single-line blocks#4851
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kitbellew merged 2 commits intoscalameta:mainfrom Feb 28, 2025
Merged
Router: absorb some penalty in single-line blocks#4851kitbellew merged 2 commits intoscalameta:mainfrom
kitbellew merged 2 commits intoscalameta:mainfrom
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tgodzik
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Feb 28, 2025
kitbellew
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Mar 3, 2025
Rather than requiring that state cost remain unchanged with the latest split, let's limit it to checking that the original cost of the split (before any penalties may have been applied) is zero, and that the state does not overflow. This leads to extremely rare formatting changes (none on scala, spark, scalafmt, scalameta repos) and on average over a 5% improvement in the BestFirstSearch algorithm efficiency. This approach protects optimal-token intentions from penalties which are designed to rank different states, and is a follow-on to scalameta#4851.
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