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Marius CiepluchandClaude Opus 5.5
6b85a60ff1
The loop the maintainer called out: four scale defects in the PHP transfer replay, found one per two-hour Joern run, all Python bookkeeping between engine calls. benchmarks/push/python_overhead.py ends that: the real replay() on the real PMPro pins, with a JoernBackend whose graphs are stubs and whose queries answer instantly with rows recorded from the real engine. Engine time is zero, so everything measured is ours, in about a minute, under the sampling profiler. Its first pass named two more walls: - Region discovery re-parsed the ruleset for every region: 89,127 TOML parses, 275 s of a 339 s discovery, twice per push. The fact, obligation and taxonomy loaders now keep the parsed (immutable) result keyed by each file's name, size and mtime -- an edit in place or an added file reloads. Discovery 339 s -> 7 s; output digest identical on PMPro. - affected_context decoded every span's and every line anchor's path for every context row -- a changed file has an anchor per unchanged line -- 78% of a stubbed push. Decoded once per call, anchors indexed by line and bisected, original order kept. A randomised control compares it against the row-by-row matching over 200 contexts (>100 attachments). Result: the whole stubbed PMPro push, 27,542 answered requests and 2,688 outcomes, runs in 58.5 s of Python. What is left is the engine. Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo