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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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33
core/box/tiny_class_stats_box.c
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@ -1,6 +1,7 @@
// tiny_class_stats_box.c - Thread-local stats storage for Tiny classes
#include "tiny_class_stats_box.h"
#include "tiny_mem_stats_box.h"
#include <stdio.h>
#include <string.h>
@ -8,6 +9,20 @@ __thread TinyClassStatsThread g_tiny_class_stats = {0};
_Atomic uint64_t g_tiny_class_stats_uc_miss_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_warm_hit_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_shared_lock_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_tls_carve_attempt_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_tls_carve_success_global[TINY_NUM_CLASSES] = {0};
static _Atomic int g_tiny_class_stats_mem_recorded = 0;
static void tiny_class_stats_record_mem_once(void) {
if (atomic_exchange_explicit(&g_tiny_class_stats_mem_recorded, 1, memory_order_acq_rel) == 0) {
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats));
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats_uc_miss_global));
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats_warm_hit_global));
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats_shared_lock_global));
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats_tls_carve_attempt_global));
tiny_mem_stats_add_policy_stats((ssize_t)sizeof(g_tiny_class_stats_tls_carve_success_global));
}
}
void tiny_class_stats_reset_thread(void) {
memset(&g_tiny_class_stats, 0, sizeof(g_tiny_class_stats));
@ -15,11 +30,13 @@ void tiny_class_stats_reset_thread(void) {
void tiny_class_stats_snapshot_thread(TinyClassStatsThread* out) {
if (!out) return;
tiny_class_stats_record_mem_once();
memcpy(out, &g_tiny_class_stats, sizeof(*out));
}
void tiny_class_stats_snapshot_global(TinyClassStatsThread* out) {
if (!out) return;
tiny_class_stats_record_mem_once();
for (int i = 0; i < TINY_NUM_CLASSES; i++) {
out->uc_miss[i] = atomic_load_explicit(&g_tiny_class_stats_uc_miss_global[i],
memory_order_relaxed);
@ -27,6 +44,10 @@ void tiny_class_stats_snapshot_global(TinyClassStatsThread* out) {
memory_order_relaxed);
out->shared_lock[i] = atomic_load_explicit(&g_tiny_class_stats_shared_lock_global[i],
memory_order_relaxed);
out->tls_carve_attempt[i] = atomic_load_explicit(
&g_tiny_class_stats_tls_carve_attempt_global[i], memory_order_relaxed);
out->tls_carve_success[i] = atomic_load_explicit(
&g_tiny_class_stats_tls_carve_success_global[i], memory_order_relaxed);
}
}
@ -34,14 +55,18 @@ static void tiny_class_stats_dump_common(FILE* out,
const char* tag,
const TinyClassStatsThread* stats) {
if (!(out && stats)) return;
fprintf(out, "%s class uc_miss warm_hit shared_lock\n", tag ? tag : "[STATS]");
fprintf(out, "%s class uc_miss warm_hit shared_lock tls_carve_attempt tls_carve_success\n",
tag ? tag : "[STATS]");
for (int c = 0; c < TINY_NUM_CLASSES; c++) {
if (stats->uc_miss[c] || stats->warm_hit[c] || stats->shared_lock[c]) {
fprintf(out, " C%d: %llu %llu %llu\n",
if (stats->uc_miss[c] || stats->warm_hit[c] || stats->shared_lock[c] ||
stats->tls_carve_attempt[c] || stats->tls_carve_success[c]) {
fprintf(out, " C%d: %llu %llu %llu %llu %llu\n",
c,
(unsigned long long)stats->uc_miss[c],
(unsigned long long)stats->warm_hit[c],
(unsigned long long)stats->shared_lock[c]);
(unsigned long long)stats->shared_lock[c],
(unsigned long long)stats->tls_carve_attempt[c],
(unsigned long long)stats->tls_carve_success[c]);
}
}
}