russell@unturf.com
b5b9cce0a1
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.
18 lines
1 KiB
Text
18 lines
1 KiB
Text
=== cockroach-0001: CWE-407: list-scan inside loop in cockroach-0001 (generic model) ===
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N=100 k=100 : defective=0.097ms fixed=0.004ms speedup=24.9x
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N=500 k=500 : defective=2.447ms fixed=0.023ms speedup=104.7x
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N=1000 k=1000 : defective=9.341ms fixed=0.045ms speedup=207.5x
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N=2000 k=2000 : defective=44.362ms fixed=0.097ms speedup=457.6x
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=== cockroach-0002: CWE-407: list-scan inside loop in cockroach-0002 (generic model) ===
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N=100 k=100 : defective=0.084ms fixed=0.003ms speedup=24.7x
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N=500 k=500 : defective=2.111ms fixed=0.020ms speedup=104.5x
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N=1000 k=1000 : defective=8.935ms fixed=0.045ms speedup=196.6x
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N=2000 k=2000 : defective=35.889ms fixed=0.101ms speedup=355.6x
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=== cockroach-0003: CWE-407: list-scan inside loop in cockroach-0003 (generic model) ===
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N=100 k=100 : defective=0.092ms fixed=0.004ms speedup=24.5x
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N=500 k=500 : defective=2.336ms fixed=0.023ms speedup=102.6x
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N=1000 k=1000 : defective=10.185ms fixed=0.051ms speedup=198.7x
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N=2000 k=2000 : defective=37.453ms fixed=0.096ms speedup=388.6x
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