[trees] Optimize fileListToTree hot path allocations#454
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May 21, 2026 17:52
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Reduce fileListToTree runtime on the linux fixture by removing avoidable checks and tuple allocations in the hot path graph/hash pipeline.
Experiments: #4, #5, #7
Metric: linux_total_median_ms 55.715042ms → 44.941625ms (-19.3%)