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.
sameboy-0001: test_watchpoint() O(W) linear scan per GB memory read/write.
Every call to GB_read_memory / GB_write_memory scans all watchpoints when
n_watchpoints > 0. Fix: watchpoint_address_flags[0x10000] lookup table gives
O(1) early exit; 128x speedup at W=128.
sameboy-0002: should_break() O(B) linear scan per CPU instruction fetch.
GB_debugger_run() calls should_break() every instruction when debug_active.
Fix: breakpoint_address_set[0x10000] boolean table gives O(1) early exit;
128x speedup at B=128.
MOAD-0002: CLEAN, gb struct passed explicitly, no shared global state.
MOAD-0003: CLEAN, __thread only used for local string formatting buffers.
MOAD-0004: CLEAN, no network credentials logged.
MOAD-0005: CLEAN, no unsynchronized cache patterns found.
