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.
30 lines
1.7 KiB
Text
30 lines
1.7 KiB
Text
=== cassandra-0001: CWE-407: list-scan inside loop in cassandra-0001 (generic model) ===
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N=100 k=100 : defective=0.085ms fixed=0.003ms speedup=25.3x
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N=500 k=500 : defective=2.117ms fixed=0.021ms speedup=102.5x
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N=1000 k=1000 : defective=8.676ms fixed=0.046ms speedup=189.2x
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N=2000 k=2000 : defective=33.996ms fixed=0.093ms speedup=367.0x
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=== cassandra-0002: CWE-407: list-scan inside loop in cassandra-0002 (generic model) ===
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N=100 k=100 : defective=0.081ms fixed=0.004ms speedup=23.0x
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N=500 k=500 : defective=2.066ms fixed=0.019ms speedup=106.5x
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N=1000 k=1000 : defective=8.622ms fixed=0.046ms speedup=188.1x
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N=2000 k=2000 : defective=33.423ms fixed=0.094ms speedup=356.5x
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=== cassandra-0003: CWE-407: list-scan inside loop in cassandra-0003 (generic model) ===
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N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=24.5x
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N=500 k=500 : defective=2.019ms fixed=0.020ms speedup=102.2x
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N=1000 k=1000 : defective=8.276ms fixed=0.044ms speedup=187.6x
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N=2000 k=2000 : defective=33.666ms fixed=0.093ms speedup=363.6x
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=== cassandra-0004: CWE-407: list-scan inside loop in cassandra-0004 (generic model) ===
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N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=24.8x
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N=500 k=500 : defective=2.024ms fixed=0.019ms speedup=104.8x
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N=1000 k=1000 : defective=8.522ms fixed=0.043ms speedup=198.8x
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N=2000 k=2000 : defective=33.455ms fixed=0.094ms speedup=356.4x
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=== cassandra-0005: CWE-407: list-scan inside loop in cassandra-0005 (generic model) ===
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N=100 k=100 : defective=0.081ms fixed=0.003ms speedup=24.3x
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N=500 k=500 : defective=2.018ms fixed=0.020ms speedup=101.1x
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N=1000 k=1000 : defective=8.342ms fixed=0.045ms speedup=187.2x
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N=2000 k=2000 : defective=35.627ms fixed=0.092ms speedup=386.8x
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