From bf3e71c859f7e02b1535a0e26826f44bcee3c1b8 Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Sat, 12 Jul 2025 00:02:07 -0500
Subject: [PATCH] enable average sim dt calculation

---
 src/gp_dx12.c    |  1 -
 src/prof_tracy.h |  2 +-
 src/sys_win32.c  | 10 ++++++++--
 src/user.c       | 10 +++-------
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/gp_dx12.c b/src/gp_dx12.c
index 83c9b3da..a96cac55 100644
--- a/src/gp_dx12.c
+++ b/src/gp_dx12.c
@@ -2913,7 +2913,6 @@ void gp_present(struct gp_swapchain *gp_swapchain, struct v2i32 backbuffer_resol
 
 INTERNAL SYS_JOB_DEF(dx12_evictor_job, _)
 {
-    __prof;
     (UNUSED)_;
 
     u64 completed_targets[DX12_NUM_QUEUES] = ZI;
diff --git a/src/prof_tracy.h b/src/prof_tracy.h
index 3828abea..5320e40b 100644
--- a/src/prof_tracy.h
+++ b/src/prof_tracy.h
@@ -7,7 +7,7 @@
 
 #if PROFILING
 
-#define PROFILING_SYSTEM_TRACE 0
+#define PROFILING_SYSTEM_TRACE 1
 #define PROFILING_CAPTURE_FRAME_IMAGE 0
 #define PROFILING_LOCKS 0
 #define PROFILING_D3D 1
diff --git a/src/sys_win32.c b/src/sys_win32.c
index 2c1fd7e1..57a380d1 100644
--- a/src/sys_win32.c
+++ b/src/sys_win32.c
@@ -45,7 +45,7 @@
 #define FIBER_NAME_SUFFIX_CSTR "]"
 #define FIBER_NAME_MAX_SIZE 64
 
-#define NUM_WAIT_ADDR_BINS 65536
+#define NUM_WAIT_ADDR_BINS 16384
 #define NUM_WAIT_TIME_BINS 1024
 
 #define MAX_EXIT_FUNCS 1024
@@ -471,7 +471,6 @@ void sys_wait(void *addr, void *cmp, u32 size, i64 timeout_ns)
 /* REQUIRED: Caller must have acquired `wake_lock` for each fiber in array */
 INTERNAL void wake_fibers_locked(i32 num_fibers, struct fiber **fibers)
 {
-    __prof;
     /* Update wait lists */
     for (i32 i = 0; i < num_fibers; ++i) {
         struct fiber *fiber = fibers[i];
@@ -992,11 +991,13 @@ INTERNAL SYS_THREAD_DEF(job_worker_entry, worker_ctx_arg)
             (UNUSED)success;
         }
 
+#if 0
         if (pool->thread_affinity_mask) {
             b32 success = SetThreadAffinityMask(thread_handle, pool->thread_affinity_mask) != 0;
             ASSERT(success);
             (UNUSED)success;
         }
+#endif
 
         if (pool->thread_mm_characteristics) {
             /* https://learn.microsoft.com/en-us/windows/win32/procthread/multimedia-class-scheduler-service#registry-settings */
@@ -1264,6 +1265,11 @@ INTERNAL SYS_THREAD_DEF(job_worker_entry, worker_ctx_arg)
         }
         snc_unlock(&wake_lock);
     }
+
+    /* Worker shutdown */
+    if (job_fiber) {
+        fiber_release(pool, job_fiber);
+    }
 }
 
 /* ========================== *
diff --git a/src/user.c b/src/user.c
index ffe8d322..383e6676 100644
--- a/src/user.c
+++ b/src/user.c
@@ -594,15 +594,8 @@ INTERNAL void user_update(struct sys_window *window)
             struct sim_snapshot *src = sim_snapshot_from_tick(G.local_to_user_client, last_tick);
             sim_snapshot_alloc(G.user_unblended_client, src, src->tick);
             G.last_local_to_user_snapshot_published_at_ns = G.local_to_user_client_publish_time_ns;
-
-            /* FIXME: Enable this */
-#if 0
             G.average_local_to_user_snapshot_publish_dt_ns -= G.average_local_to_user_snapshot_publish_dt_ns / 50;
             G.average_local_to_user_snapshot_publish_dt_ns += G.local_to_user_client_publish_dt_ns / 50;
-#else
-            G.average_local_to_user_snapshot_publish_dt_ns -= G.average_local_to_user_snapshot_publish_dt_ns / 1;
-            G.average_local_to_user_snapshot_publish_dt_ns += G.local_to_user_client_publish_dt_ns / 1;
-#endif
         }
         snc_unlock(&lock);
     }
@@ -2731,6 +2724,9 @@ INTERNAL SYS_JOB_DEF(local_sim_job, _)
                     struct snc_lock lock = snc_lock_e(&G.local_to_user_client_mutex);
                     sim_snapshot_alloc(G.local_to_user_client, local_ss, local_ss->tick);
                     i64 publish_ns = sys_time_ns();
+                    if (last_publish_to_user_ns == 0) {
+                        last_publish_to_user_ns = publish_ns - G.average_local_to_user_snapshot_publish_dt_ns;
+                    }
                     G.local_to_user_client_publish_dt_ns = publish_ns - last_publish_to_user_ns;
                     G.local_to_user_client_publish_time_ns = publish_ns;
                     last_publish_to_user_ns = publish_ns;