tomoaki/hakmem
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update CURRENT_TASK: Phase 1A3 Complete (NO-GO, research box)

Browse Source 
Phase 1A3 always_inline test complete:
- A/B Result: Mixed -4.00% (I-cache pressure), C6-heavy +6.00%
- Decision: NO-GO - freeze as research box
- Commit: df37baa50

Phase 1 Summary:
- A1: FREE 昇格 ✅ DONE
- A2: 観測税ゼロ化 ✅ DONE
- A3: always_inline ❌ NO-GO (I-cache issue)

Expected Phase 1 impact: +2-3% (A1 FREE +13% + A2 observe-tax reduction)

Next: Phase 2 structural changes, Phase 3 cache locality
This commit is contained in:
Moe Charm (CI)
2025-12-13 15:31:33 +09:00
parent df37baa505
commit 150c3bddd4
1 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
CURRENT_TASK.md
View File

@ -3,9 +3,12 @@
## 更新メモ（2025-12-13 Phase 1-2 Complete）
### Phase 1 Quick Wins: FREE 昇格 + 観測税ゼロ化
- ✅ **A1（FREE 昇格）**: HAKMEM_FREE_TINY_FAST_HOTCOLD=1 をデフォルト化予定
- ✅ **A2（観測税ゼロ化）**: HAKMEM_DEBUG_COUNTERS=0 のとき stats compile-out 予定
- ⏳ **A3（inline header）**: tiny_region_id_write_header() always_inline 化予定
- ✅ **A1（FREE 昇格）**: `MIXED_TINYV3_C7_SAFE` で `HAKMEM_FREE_TINY_FAST_HOTCOLD=1` をデフォルト化
- ✅ **A2（観測税ゼロ化）**: `HAKMEM_DEBUG_COUNTERS=0` のとき stats を compile-out（観測税ゼロ）
- ❌ **A3（inline header）**: `tiny_region_id_write_header()` always_inline → **NO-GO**
- A/B Result: Mixed -4.00% (I-cache pressure), C6-heavy +6.00%
- Decision: Freeze as research box (default OFF)
- Commit: `df37baa50`
### Phase 2: ALLOC 構造修正
- ✅ **Patch 1**: malloc_tiny_fast_for_class() 抽出（SSOT）