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Boxify superslab registry, add bench profile, and document C7 hotpath experiments

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Moe Charm (CI)
2025-12-07 03:12:27 +09:00
parent 18faa6a1c4
commit fda6cd2e67
71 changed files with 2052 additions and 286 deletions
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7
core/box/ss_slab_reset_box.h
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@ -13,12 +13,15 @@ static inline void ss_slab_reset_meta_for_tiny(SuperSlab* ss,
if (!ss) return;
if (slab_idx < 0 || slab_idx >= ss_slabs_capacity(ss)) return;
// class_idx < 0 means "unassigned" (255). Otherwise keep the requested class.
uint8_t target_class = (class_idx < 0) ? 255u : (uint8_t)class_idx;
TinySlabMeta* meta = &ss->slabs[slab_idx];
meta->used = 0;
meta->carved = 0;
meta->freelist = NULL;
meta->class_idx = (uint8_t)class_idx;
ss->class_map[slab_idx] = (uint8_t)class_idx;
meta->class_idx = target_class;
ss->class_map[slab_idx] = target_class;
// Reset remote queue state to avoid stale pending frees on reuse.
atomic_store_explicit(&ss->remote_heads[slab_idx], 0, memory_order_relaxed);