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

core/box/tiny_mem_stats_box.c

@@ -0,0 +1,65 @@
+// tiny_mem_stats_box.c - Memory accounting helpers for Tiny front components
+
+#include "tiny_mem_stats_box.h"
+
+#include <stdatomic.h>
+#include <sys/types.h>
+#include <stdio.h>
+
+_Atomic long long g_tiny_mem_unified_cache_bytes = 0;
+_Atomic long long g_tiny_mem_warm_pool_bytes = 0;
+_Atomic long long g_tiny_mem_page_box_bytes = 0;
+_Atomic long long g_tiny_mem_tls_magazine_bytes = 0;
+_Atomic long long g_tiny_mem_policy_stats_bytes = 0;
+
+static inline void tiny_mem_stats_add(_Atomic long long* target, ssize_t bytes) {
+    if (!target || bytes == 0) {
+        return;
+    }
+    atomic_fetch_add_explicit(target, (long long)bytes, memory_order_relaxed);
+}
+
+void tiny_mem_stats_add_unified(ssize_t bytes) {
+    tiny_mem_stats_add(&g_tiny_mem_unified_cache_bytes, bytes);
+}
+
+void tiny_mem_stats_add_warm(ssize_t bytes) {
+    tiny_mem_stats_add(&g_tiny_mem_warm_pool_bytes, bytes);
+}
+
+void tiny_mem_stats_add_pagebox(ssize_t bytes) {
+    tiny_mem_stats_add(&g_tiny_mem_page_box_bytes, bytes);
+}
+
+void tiny_mem_stats_add_tls_magazine(ssize_t bytes) {
+    tiny_mem_stats_add(&g_tiny_mem_tls_magazine_bytes, bytes);
+}
+
+void tiny_mem_stats_add_policy_stats(ssize_t bytes) {
+    tiny_mem_stats_add(&g_tiny_mem_policy_stats_bytes, bytes);
+}
+
+void tiny_mem_stats_dump(void) {
+    long long unified = atomic_load_explicit(&g_tiny_mem_unified_cache_bytes,
+                                             memory_order_relaxed);
+    long long warm = atomic_load_explicit(&g_tiny_mem_warm_pool_bytes,
+                                          memory_order_relaxed);
+    long long pagebox = atomic_load_explicit(&g_tiny_mem_page_box_bytes,
+                                             memory_order_relaxed);
+    long long tls_mag = atomic_load_explicit(&g_tiny_mem_tls_magazine_bytes,
+                                             memory_order_relaxed);
+    long long policy_stats = atomic_load_explicit(&g_tiny_mem_policy_stats_bytes,
+                                                  memory_order_relaxed);
+
+    long long total = unified + warm + pagebox + tls_mag + policy_stats;
+
+    fprintf(stderr,
+            "[TINY_MEM_STATS] unified_cache=%lldKB warm_pool=%lldKB page_box=%lldKB "
+            "tls_mag=%lldKB policy_stats=%lldKB total=%lldKB\n",
+            unified / 1024,
+            warm / 1024,
+            pagebox / 1024,
+            tls_mag / 1024,
+            policy_stats / 1024,
+            total / 1024);
+}