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Fix mid free routing and relax mid W_MAX

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Moe Charm (CI)
2025-12-01 22:06:10 +09:00
parent 4ef0171bc0
commit 195c74756c
11 changed files with 119 additions and 40 deletions
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6
core/hakmem_policy.c
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@ -61,7 +61,7 @@ void hkm_policy_init(void) {
// W_MAX = 要求サイズの何倍までのクラスを許容するか
//
// 現在の値:
// - w_max_mid = 1.40 (40%切り上げ許容) - やや保守的
// - w_max_mid = 2.00 (100%切り上げ許容) - Mid全域カバー重視
// - w_max_large = 1.30 (30%切り上げ許容) - 保守的 **問題あり**
//
// 問題点:
@ -69,7 +69,7 @@ void hkm_policy_init(void) {
// 例: 35KB要求 → 64KB使用は 1.83倍 > 1.30 → NG → malloc fallback
//
// 推奨値:
// - w_max_mid = 1.40～1.60 (40-60%許容)
// - w_max_mid = 1.60～2.00 (60-100%許容) — Mid MT を切った場合はこちら
// - w_max_large = 1.60 (60%許容) ⭐⭐⭐ 即効改善
//
// トレードオフ:
@ -78,7 +78,7 @@ void hkm_policy_init(void) {
// ========================================================================
// shard/policy maps default to 0 (noop)
pol->w_max_mid = 1.60f; // Phase 6.25: Looser for MidPool performance (was 1.40)
pol->w_max_mid = 2.00f; // Phase 7: Mid MT off → W_MAX緩和でMidクラス全域をカバー
pol->w_max_large = 1.30f; // Phase 6.21: Revert to 1.30 (Bridge classes now cover 32-64KB gap)
pol->w_max = 1.6f; // legacy aggregate (unused by ACE)
pol->thp_threshold = 2 * 1024 * 1024; // 2MiB