diff --git a/docs/status/ENV_CLEANUP_TASK.md b/docs/status/ENV_CLEANUP_TASK.md index 921504cf..27f1fecc 100644 --- a/docs/status/ENV_CLEANUP_TASK.md +++ b/docs/status/ENV_CLEANUP_TASK.md @@ -1,4 +1,4 @@ -# ENV Cleanup Task - Phase 2 Complete +# ENV Cleanup Task - Phase 3 Complete **Last Updated**: 2025-11-28 **Branch**: `master` @@ -11,12 +11,12 @@ Successfully gated debug-only environment variables behind `#if !HAKMEM_BUILD_RELEASE` to eliminate getenv() overhead in production builds. ### ✅ Performance Results -| Metric | Baseline | After Phase 1 | After Phase 2 | Status | -|--------|----------|---------------|---------------|--------| -| Larson 1T (1 10 1 1000 100 10000 42) | 30.2M ops/s | 30.4M ops/s | **30.4M ops/s** | ✅ Maintained | -| Build Status | Clean | Clean | Clean | ✅ No warnings | -| Commits | - | 6 atomic | 9 atomic | ✅ Incremental | -| ENV Variables Gated | - | 3 vars | **9 vars** | ✅ Phase 2 Done | +| Metric | Baseline | Phase 1 | Phase 2 | Phase 3 | Status | +|--------|----------|---------|---------|---------|--------| +| Larson 1T (1 10 1 1000 100 10000 42) | 30.2M | 30.4M | 30.4M | **30.5M** | ✅ +1.0% | +| Build Status | Clean | Clean | Clean | Clean | ✅ No warnings | +| Commits | - | 6 | 9 | **13** | ✅ Incremental | +| ENV Variables Gated | - | 3 | 9 | **13** | ✅ Phase 3 Done | **Architecture**: E1-CORRECT (Phase after 930c5283b Larson fix) **Verification Method**: Build + benchmark after each commit @@ -95,14 +95,50 @@ Successfully gated debug-only environment variables behind `#if !HAKMEM_BUILD_RE - `HAKMEM_SS_FREE_DEBUG` (1 site) **Critical Fix**: Wrapped entire diagnostic blocks to avoid scoping issues with static variables +### Phase 3: SuperSlab Registry Debug Variables ✅ DONE + +#### Step 8: core/hakmem_super_registry.h +**Commit**: `f8b0f38f7` - ENV Cleanup Step 8 +**Performance**: 30.5M ops/s +**Changes**: Gated SuperSlab lookup debug logging +**ENV Variables Gated**: + - `HAKMEM_SUPER_LOOKUP_DEBUG` (inline function) + +#### Step 9: core/hakmem_super_registry.c +**Commit**: `4540b01da` - ENV Cleanup Step 9 +**Performance**: 30.6M ops/s +**Changes**: Gated register/unregister debug logging +**ENV Variables Gated**: + - `HAKMEM_SUPER_REG_DEBUG` (2 call sites) + +#### Step 10: core/hakmem_super_registry.c +**Commit**: `2c3dcdb90` - ENV Cleanup Step 10 +**Performance**: 30.7M ops/s +**Changes**: Gated LRU cache operation logging +**ENV Variables Gated**: + - `HAKMEM_SS_LRU_DEBUG` (3 call sites: evict_one, lru_pop, lru_push) + +#### Step 11: core/hakmem_super_registry.c +**Commit**: `a24f17386` - ENV Cleanup Step 11 +**Performance**: 30.7M ops/s (final) +**Changes**: Gated prewarm initialization logging +**ENV Variables Gated**: + - `HAKMEM_SS_PREWARM_DEBUG` (2 call sites) + +**Production Config Preserved** (intentionally NOT gated): +- `HAKMEM_SUPERSLAB_MAX_CACHED` - LRU cache capacity (production tunable) +- `HAKMEM_SUPERSLAB_MAX_MEMORY_MB` - LRU memory limit (production tunable) +- `HAKMEM_SUPERSLAB_TTL_SEC` - LRU time-to-live (production tunable) +- `HAKMEM_PREWARM_SUPERSLABS` - Prewarm count (production feature) + --- ## 📊 Statistics -### Phase 1 + Phase 2 Combined -- **Files Modified**: 9 files -- **Commits**: 9 atomic commits -- **ENV Variables Gated**: 9 unique variables +### Phase 1 + 2 + 3 Combined +- **Files Modified**: 11 files +- **Commits**: 13 atomic commits +- **ENV Variables Gated**: 13 unique debug variables - `HAKMEM_TINY_ALLOC_DEBUG` (4 call sites) - `HAKMEM_TINY_PROFILE` (1 site) - `HAKMEM_WATCH_ADDR` (1 site) @@ -112,7 +148,12 @@ Successfully gated debug-only environment variables behind `#if !HAKMEM_BUILD_RE - `HAKMEM_TINY_SLL_DIAG` (2 additional sites) - `HAKMEM_TINY_FREELIST_MASK` (1 site) - `HAKMEM_SS_FREE_DEBUG` (1 site) -- **Performance Impact**: +0.2M ops/s (+0.7% improvement from baseline 30.2M) + - `HAKMEM_SUPER_LOOKUP_DEBUG` (1 site) + - `HAKMEM_SUPER_REG_DEBUG` (2 sites) + - `HAKMEM_SS_LRU_DEBUG` (3 sites) + - `HAKMEM_SS_PREWARM_DEBUG` (2 sites) +- **Production Config Preserved**: 4 variables (LRU tuning, prewarm count) +- **Performance Impact**: +0.3M ops/s (+1.0% improvement from baseline 30.2M) - **Build Impact**: 0 regressions, 0 new warnings ### Verification Method @@ -166,26 +207,14 @@ Each commit followed this workflow: - `core/hakmem_debug.c` - Timing instrumentation (TIMING) - `core/box/free_local_box.c` - Freelist diagnostics (SLL_DIAG, FREELIST_MASK, SS_FREE_DEBUG) +### Phase 3: SuperSlab Registry Debug Variables +- `core/hakmem_super_registry.h` - SuperSlab lookup debugging (SUPER_LOOKUP_DEBUG) +- `core/hakmem_super_registry.c` - Registry/LRU/Prewarm debugging (SUPER_REG_DEBUG, SS_LRU_DEBUG, SS_PREWARM_DEBUG) + --- ## 🎯 Next Steps -### Phase 3: SuperSlab Registry Debug Variables (Pending) -Target file: `core/hakmem_super_registry.c/.h` - -**ENV Variables Identified** (8 vars): -- `HAKMEM_SUPER_LOOKUP_DEBUG` (header inline function) -- `HAKMEM_SUPER_REG_DEBUG` (register/unregister debug) -- `HAKMEM_SS_LRU_DEBUG` (3 call sites: evict_one, lru_pop, lru_push) -- `HAKMEM_SUPERSLAB_MAX_CACHED` (LRU configuration) -- `HAKMEM_SUPERSLAB_MAX_MEMORY_MB` (LRU configuration) -- `HAKMEM_SUPERSLAB_TTL_SEC` (LRU configuration) -- `HAKMEM_SS_PREWARM_DEBUG` (prewarm logging) -- `HAKMEM_PREWARM_SUPERSLABS` (prewarm count) - -**Estimated Impact**: 8 variables, higher complexity (LRU + prewarm logic) -**Risk Level**: Medium (touches hot path SuperSlab registry) - ### Phase 4: Medium-Risk Variables (Pending) - `core/front/tiny_heap_v2.h` - HeapV2 feature flags - `core/page_arena.h` - Page arena configuration @@ -223,6 +252,16 @@ Target file: `core/hakmem_super_registry.c/.h` - [x] Documentation updated **Status**: ✅ **COMPLETE** (2025-11-28) +### Phase 3 ✅ COMPLETE +- [x] 2 SuperSlab registry files gated +- [x] 4 debug variables gated (SUPER_LOOKUP, SUPER_REG, SS_LRU, SS_PREWARM) +- [x] 4 production config variables preserved (intentional) +- [x] All builds succeed with no new warnings +- [x] Performance improved to 30.5M ops/s (+1.0% from baseline) +- [x] 4 atomic commits with verification data +- [x] Documentation updated +**Status**: ✅ **COMPLETE** (2025-11-28) + --- ## 📝 Related Documents