Moe Charm (CI) 0ce20bb835 Document ENV Cleanup Phase 4a completion (20 variables total) ...

**Phase 4a Summary**:
- Gated 7 low-risk debug/trace variables across 7 commits (Steps 12-18)
- 20 total variables gated across Phases 1-4a
- Performance: 30.7M ops/s (+1.7% vs 30.2M baseline)

**Variables Gated (Phase 4a)**:
- HAKMEM_TINY_FAST_DEBUG + _MAX (Step 12)
- HAKMEM_TINY_REFILL_OPT_DEBUG (Step 13)
- HAKMEM_TINY_HEAP_V2_DEBUG (Step 14)
- HAKMEM_SS_ACQUIRE_DEBUG (Step 15)
- HAKMEM_SS_FREE_DEBUG (Step 16, shared_pool.c site)
- HAKMEM_TINY_RF_TRACE (Step 17, 1 new site)
- HAKMEM_TINY_SLL_DIAG (Step 18, 5 new sites)

**Performance Results** (5 benchmark iterations):
- Run 1: 30.76M ops/s
- Run 2: 30.68M ops/s
- Run 3: 30.54M ops/s
- Run 4: 30.64M ops/s
- Run 5: 30.77M ops/s
- Average: 30.68M ops/s (StdDev: 0.47%)

**Known Issue** (Development builds only):
Development builds (HAKMEM_BUILD_RELEASE=0) experience 50% crash rate
during benchmark teardown (atexit/destructor phase). Crashes occur AFTER
throughput measurement completes, so performance numbers are valid.

Root cause: Likely race condition in debug destructors (tiny_tls_sll_diag_atexit
or similar) during multi-threaded teardown.

**Production Impact**: NONE
- Production builds (HAKMEM_BUILD_RELEASE=1) completely unaffected
- Debug code is compiled out entirely in production
- Issue only affects development testing

**Files Modified**:
- docs/status/ENV_CLEANUP_TASK.md - Document Phase 4a completion

**Code Changes** (Already committed in Steps 12-18):
- 417f14947 ENV Cleanup Step 12: Gate HAKMEM_TINY_FAST_DEBUG + MAX
- be9bdd781 ENV Cleanup Step 13: Gate HAKMEM_TINY_REFILL_OPT_DEBUG
- 679c82157 ENV Cleanup Step 14: Gate HAKMEM_TINY_HEAP_V2_DEBUG
- f119f048f ENV Cleanup Step 15: Gate HAKMEM_SS_ACQUIRE_DEBUG
- 2cdec72ee ENV Cleanup Step 16: Gate HAKMEM_SS_FREE_DEBUG (shared_pool)
- 7d0782d5b ENV Cleanup Step 17: Gate HAKMEM_TINY_RF_TRACE (1 site)
- 813ebd522 ENV Cleanup Step 18: Gate HAKMEM_TINY_SLL_DIAG (5 sites)

**Next Steps**:
- Phase 4b: 8 medium-risk stats variables identified
- Fix destructor race condition (separate issue)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-28 05:53:27 +09:00

..

archive

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

ACE_PHASE1_PROGRESS.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

CLEANUP_SUMMARY_2025_11_01.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

CURRENT_TASK_FULL.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

CURRENT_TASK.md

Update CURRENT_TASK: master branch established as stable baseline

2025-11-26 16:54:36 +09:00

ENV_CLEANUP_TASK.md

Document ENV Cleanup Phase 4a completion (20 variables total)

2025-11-28 05:53:27 +09:00

MID_MT_COMPLETION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

MIMALLOC_BATTLE_PLAN_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

MIMALLOC_DEEP_ANALYSIS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

P0_BUG_STATUS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P0_DIRECT_FC_ANALYSIS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P0_DIRECT_FC_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P0_INVESTIGATION_FINAL.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P0_ROOT_CAUSE_FOUND.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P0_SEGV_ANALYSIS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

P2.3_TINY_CONFIG_REORGANIZATION_TASK.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

PHASE1_EXECUTIVE_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE1_REFILL_INVESTIGATION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2A_IMPLEMENTATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2A_SUPERSLAB_DYNAMIC_EXPANSION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2B_IMPLEMENTATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2B_QUICKSTART.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2B_TLS_ADAPTIVE_SIZING.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2C_BIGCACHE_L25_DYNAMIC.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE2C_IMPLEMENTATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE6_3_FIX_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE6_3_REGRESSION_ULTRATHINK.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE6_EVALUATION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE6_INTEGRATION_STATUS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE6_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_4T_STABILITY_VERIFICATION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_ACTION_PLAN.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_BENCHMARK_PLAN.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_BUG3_FIX_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_BUG_FIX_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_COMPREHENSIVE_BENCHMARK_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_CRITICAL_FINDINGS_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_DEBUG_COMMANDS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_DESIGN_REVIEW.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_FINAL_BENCHMARK_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_PERFORMANCE_INVESTIGATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_QUICK_BENCHMARK_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_SYSCALL_BOTTLENECK_ANALYSIS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE7_TASK3_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE9_LRU_ARCHITECTURE_ISSUE.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE11_SUPERSLAB_PREWARM_IMPLEMENTATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE12_SHARED_SUPERSLAB_POOL_DESIGN.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE12_SP_SLOT_BOX_IMPLEMENTATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE15_BUG_ANALYSIS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE15_BUG_ROOT_CAUSE_FINAL.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE15_REGISTRY_LOOKUP_INVESTIGATION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE15_WRAPPER_DOMAIN_CHECK_FIX.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE19_AB_TEST_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE19_FRONTEND_METRICS_FINDINGS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE23_CAPACITY_OPTIMIZATION_RESULTS.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE_6.20_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.21_PLAN_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.21_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.22_PLAN_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.22_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.22B_PLAN_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.23_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.24_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_6.27_ARCHITECTURE.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_6.27_IMPLEMENTATION_PLAN.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_6.27_QUICK_REFERENCE.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_6.27_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_MIMALLOC_STRATEGY_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_6.25_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.1_MF1_RESULTS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.2_MF2_PLAN_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.2_MF2_PROGRESS_2025_10_24.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.2.1_CDA_INVESTIGATION_2025_10_25.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.2.2_ROUTE_P_TUNING_2025_10_26.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_7.2.3_RECURSION_FIX_2025_10_26.md

Debug Counters Implementation - Clean History

2025-11-05 12:31:14 +09:00

PHASE_B_COMPLETION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE_E3_SEGV_ROOT_CAUSE_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE_E3-1_INVESTIGATION_REPORT.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE_E3-1_SUMMARY.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

PHASE_E3-2_IMPLEMENTATION.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

POOL_TLS_PHASE1_5A_FIX.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

REFACTOR_PROGRESS.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

REMOVE_MALLOC_FALLBACK_TASK.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00

ROOT_MD_MOVE_PLAN.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

SOURCE_MAP.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

TASK_FOR_OTHER_AI.md

Wrap debug fprintf in !HAKMEM_BUILD_RELEASE guards (Release build optimization)

2025-11-26 13:14:18 +09:00

TINY_HEAP_V2_TASK_SPEC.md

ENV cleanup: Remove BG/HotMag vars & guard fprintf (Larson 52.3M ops/s)

2025-11-26 14:45:26 +09:00