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50bded8c85
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Phase 3 Finalization: D1 20-run validation, D2 frozen, baseline established
Summary:
- D1 (Free route cache): 20-run validation → PROMOTED TO DEFAULT
- Baseline (20-run, ROUTE=0): 46.30M ops/s (mean), 46.30M (median)
- Optimized (20-run, ROUTE=1): 47.32M ops/s (mean), 47.39M (median)
- Mean gain: +2.19%, Median gain: +2.37%
- Decision: GO (both criteria met: mean >= +1.0%, median >= +0.0%)
- Implementation: Added HAKMEM_FREE_STATIC_ROUTE=1 to MIXED preset
- D2 (Wrapper env cache): FROZEN
- Previous result: -1.44% regression (TLS overhead > benefit)
- Status: Research box (do not pursue further)
- Default: OFF (not included in MIXED_TINYV3_C7_SAFE preset)
- Baseline Phase 3: 46.04M ops/s (Mixed, 10-run, 2025-12-13)
Cumulative Gains (Phase 2-3):
B3: +2.89%, B4: +1.47%, C3: +2.20%, D1: +2.19%
Total: ~7.6-8.9% (conservative: 7.6%, multiplicative: 8.93%)
MID_V3 fix: +13% (structural change, Mixed OFF by default)
Documentation Updates:
- PHASE3_FINALIZATION_SUMMARY.md: Comprehensive Phase 3 report
- PHASE3_CACHE_LOCALITY_NEXT_INSTRUCTIONS.md: D1/D2 final status
- PHASE3_D1_FREE_ROUTE_CACHE_1_DESIGN.md: 20-run validation results
- PHASE3_D2_WRAPPER_ENV_CACHE_1_DESIGN.md: FROZEN status
- ENV_PROFILE_PRESETS.md: D1 ADOPT, D2 FROZEN
- PHASE3_BASELINE_AND_CANDIDATES.md: Post-D1/D2 status
- CURRENT_TASK.md: Phase 3 complete summary
Next:
- D3 requires perf validation (tiny_alloc_gate_fast self% ≥5%)
- Or Phase 4 planning if no more D3-class targets
- Current active optimizations: B3, B4, C3, D1, MID_V3 fix
Files Changed:
- docs/analysis/PHASE3_FINALIZATION_SUMMARY.md (new, 580+ lines)
- docs/analysis/*.md (6 files updated with D1/D2 results)
- CURRENT_TASK.md (Phase 3 status update)
- analyze_d1_results.py (statistical analysis script)
- core/bench_profile.h (D1 promoted to default in MIXED preset)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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2025-12-13 22:42:22 +09:00 |
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