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

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This commit is contained in:
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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14
core/front/malloc_tiny_fast.h
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@ -36,6 +36,7 @@
#include "../hakmem_tiny.h" // For hak_tiny_size_to_class
#include "../box/tiny_front_hot_box.h" // Phase 4-Step2: Hot Path Box
#include "../box/tiny_front_cold_box.h" // Phase 4-Step2: Cold Path Box
#include "../box/tiny_c7_hotpath_box.h" // Optional: C7 専用ホットパス
// Helper: current thread id (low 32 bits) for owner check
#ifndef TINY_SELF_U32_LOCAL_DEFINED
@ -98,6 +99,11 @@ static inline void* malloc_tiny_fast(size_t size) {
// 1. size → class_idx (inline table lookup, 1-2 instructions)
int class_idx = hak_tiny_size_to_class(size);
// Optional: C7 専用ホットパス（環境変数 HAKMEM_TINY_C7_HOT でON）
if (__builtin_expect(class_idx == 7 && tiny_c7_hot_enabled(), 0)) {
return tiny_c7_alloc_hot(size);
}
// 2. Phase 4-Step2: Hot/Cold Path Box
// Try hot path first (cache hit, 1 branch)
void* ptr = tiny_hot_alloc_fast(class_idx);
@ -235,6 +241,14 @@ static inline int free_tiny_fast(void* ptr) {
}
#endif
// Optional: C7 専用ホットパス（キャッシュのみで完了させる）
if (__builtin_expect(class_idx == 7 && tiny_c7_hot_enabled(), 0)) {
if (tiny_c7_free_hot(base)) {
return 1;
}
// fallthrough to unified cache push on failure
}
int pushed = unified_cache_push(class_idx, HAK_BASE_FROM_RAW(base));
if (__builtin_expect(pushed, 1)) {
return 1; // Success