8f18963ad5
- Redefine TinyHotHeap v2 as per-thread Hot Box with clear boundaries - Add comprehensive OS statistics tracking for SS allocations - Implement route-based free handling for TinyHeap v2 - Add C6/C7 debugging and statistics improvements - Update documentation with implementation guidelines and analysis - Add new box headers for stats, routing, and front-end management
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
// tiny_route_env_box.h - Route snapshot for Tiny front (Heap vs Legacy)
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// 役割:
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// - 起動時に「各クラスが TinyHeap を使うか」をスナップショットし、ホットパスでは LUT 1 回に縮約する。
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// - HAKMEM_TINY_HEAP_PROFILE / HAKMEM_TINY_HEAP_BOX / HAKMEM_TINY_HEAP_CLASSES の組合せをここで解決する。
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#pragma once
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#include <stdint.h>
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#include <stdlib.h>
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#include "../hakmem_tiny_config.h"
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#include "tiny_heap_env_box.h"
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typedef enum {
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TINY_ROUTE_LEGACY = 0,
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TINY_ROUTE_HEAP = 1, // TinyHeap v1
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TINY_ROUTE_HOTHEAP_V2 = 2, // TinyHotHeap v2
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} tiny_route_kind_t;
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extern tiny_route_kind_t g_tiny_route_class[TINY_NUM_CLASSES];
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extern int g_tiny_route_snapshot_done;
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static inline void tiny_route_snapshot_init(void) {
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for (int i = 0; i < TINY_NUM_CLASSES; i++) {
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if (tiny_hotheap_v2_class_enabled((uint8_t)i)) {
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g_tiny_route_class[i] = TINY_ROUTE_HOTHEAP_V2;
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} else if (tiny_heap_box_enabled() && tiny_heap_class_route_enabled(i)) {
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g_tiny_route_class[i] = TINY_ROUTE_HEAP;
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} else {
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g_tiny_route_class[i] = TINY_ROUTE_LEGACY;
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}
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}
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g_tiny_route_snapshot_done = 1;
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}
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static inline tiny_route_kind_t tiny_route_for_class(uint8_t ci) {
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if (__builtin_expect(!g_tiny_route_snapshot_done, 0)) {
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tiny_route_snapshot_init();
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}
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if (__builtin_expect(ci >= TINY_NUM_CLASSES, 0)) {
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return TINY_ROUTE_LEGACY;
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}
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return g_tiny_route_class[ci];
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}
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static inline int tiny_route_is_heap_kind(tiny_route_kind_t route) {
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return route == TINY_ROUTE_HEAP || route == TINY_ROUTE_HOTHEAP_V2;
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}
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// C7 front が TinyHeap を使うか（Route snapshot 経由で判定）
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static inline int tiny_c7_front_uses_heap(void) {
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return tiny_route_is_heap_kind(tiny_route_for_class(7));
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}
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// C6 front が TinyHeap を使うか（Route snapshot 経由で判定）
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static inline int tiny_c6_front_uses_heap(void) {
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return tiny_route_is_heap_kind(tiny_route_for_class(6));
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}
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