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Phase 19-3b: pass down env snapshot in hot paths

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This commit is contained in:
Moe Charm (CI)
2025-12-15 12:50:16 +09:00
parent 8f4ada5bbd
commit e1a4561992
7 changed files with 207 additions and 126 deletions
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23
core/box/tiny_legacy_fallback_box.h
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@ -21,18 +21,11 @@
// - Returns: void (always succeeds or falls back to tiny_hot_free_fast)
//
__attribute__((always_inline))
static inline void tiny_legacy_fallback_free_base(void* base, uint32_t class_idx) {
// Phase 4 E1: Use ENV snapshot when enabled (consolidates 3 TLS reads → 1)
const TinyFrontV3Snapshot* front_snap;
bool metadata_cache_on;
if (__builtin_expect(hakmem_env_snapshot_enabled(), 0)) {
const HakmemEnvSnapshot* env = hakmem_env_snapshot();
front_snap = env->tiny_front_v3_enabled ? tiny_front_v3_snapshot_get() : NULL;
metadata_cache_on = env->tiny_metadata_cache_eff; // Uses effective (cache && !learner)
} else {
front_snap = __builtin_expect(tiny_front_v3_enabled(), 0) ? tiny_front_v3_snapshot_get() : NULL;
metadata_cache_on = tiny_metadata_cache_enabled();
}
static inline void tiny_legacy_fallback_free_base_with_env(void* base, uint32_t class_idx, const HakmemEnvSnapshot* env) {
const TinyFrontV3Snapshot* front_snap =
env ? (env->tiny_front_v3_enabled ? tiny_front_v3_snapshot_get() : NULL)
: (__builtin_expect(tiny_front_v3_enabled(), 0) ? tiny_front_v3_snapshot_get() : NULL);
const bool metadata_cache_on = env ? env->tiny_metadata_cache_eff : tiny_metadata_cache_enabled();
// Phase 3 C2 Patch 2: First page cache hint (optional fast-path)
// Check if pointer is in cached page (avoids metadata lookup in future optimizations)
@ -64,4 +57,10 @@ static inline void tiny_legacy_fallback_free_base(void* base, uint32_t class_idx
tiny_hot_free_fast(class_idx, base);
}
__attribute__((always_inline))
static inline void tiny_legacy_fallback_free_base(void* base, uint32_t class_idx) {
const HakmemEnvSnapshot* env = hakmem_env_snapshot_enabled() ? hakmem_env_snapshot() : NULL;
tiny_legacy_fallback_free_base_with_env(base, class_idx, env);
}
#endif // HAKMEM_TINY_LEGACY_FALLBACK_BOX_H