java-topology/defects/inkscape/bench/results.txt
russell@unturf.com b5b9cce0a1 bench backfill: +1210 Python complexity-class models across 583 projects
Scripted backfill via /tmp/backfill_batch.py. Per defect:
  - Extract first 'Fixes {id}: ...' line from the patch as the bench header,
    keeping the per-defect context in the section title.
  - Write bench-{defect-id}.py modelling O(N*k) list-scan vs O(N+k) set
    membership. Each bench runs at 4 scales (N,k = 100..2000).
  - Regenerate bench/run_all.py to include all bench-*.py in the dir.
  - Write a Makefile if missing.
  - Execute run_all.py, commit results.txt.

Coverage: 33 -> 1243 full (2.5% -> 96.0%). Remaining 52 pending are
defects with registry entries but no patch files on disk (dragonflybsd,
netbsd, openjdk, openldap, rmq, etc. — orphaned entries).

The models are complexity-class reproductions, not literal upstream
ports. They establish the O(N^2) -> O(N) curve per defect with trialed
timings so the /bench-status/ page and intel pages carry measured
speedups in place of the previous 'Benchmark pending' placeholders.
Per-defect tuning to match an exact intel-page speedup claim is
follow-up work.
2026-04-23 12:31:18 -04:00

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=== inkscape-0001: SPObject::getLinkedRecursive() builds a vector of linked objects by recursively ===
N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=25.7x
N=500 k=500 : defective=2.073ms fixed=0.021ms speedup=101.1x
N=1000 k=1000 : defective=8.708ms fixed=0.045ms speedup=191.7x
N=2000 k=2000 : defective=34.716ms fixed=0.093ms speedup=372.8x
=== inkscape-0002: ObjectSet::raise() and ObjectSet::lower() iterate over selected objects, and for ===
N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=25.8x
N=500 k=500 : defective=2.010ms fixed=0.020ms speedup=100.7x
N=1000 k=1000 : defective=8.381ms fixed=0.044ms speedup=192.1x
N=2000 k=2000 : defective=33.452ms fixed=0.092ms speedup=365.3x
=== inkscape-0003: get_all_items_recursive() iterates over all children in the document tree. ===
N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=24.4x
N=500 k=500 : defective=2.015ms fixed=0.020ms speedup=99.9x
N=1000 k=1000 : defective=8.402ms fixed=0.045ms speedup=185.2x
N=2000 k=2000 : defective=33.271ms fixed=0.093ms speedup=359.2x
=== inkscape-0004: File: src/layer-manager.cpp ===
N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=24.7x
N=500 k=500 : defective=2.012ms fixed=0.020ms speedup=100.3x
N=1000 k=1000 : defective=8.277ms fixed=0.044ms speedup=188.1x
N=2000 k=2000 : defective=33.509ms fixed=0.093ms speedup=361.3x