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eliminate bifurcated rw lock path based on exclusive mode; promote thread operations to base layer, use os layer as impl; first pass on moving file streaming layer to base layer's async wavefront

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This commit is contained in:
Ryan Fleury
2025-09-17 14:47:55 -07:00
parent 99c989a3c3
commit 0d15b8670b
40 changed files with 450 additions and 607 deletions
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src/async/async.c
+6 -6
View File
@@ -29,10 +29,10 @@ async_init(CmdLine *cmdline)
async_shared->work_threads_count = Max(4, os_get_system_info()->logical_processor_count-1);
}
async_shared->work_threads_count = Max(4, async_shared->work_threads_count);
async_shared->work_threads = push_array(arena, OS_Handle, async_shared->work_threads_count);
async_shared->work_threads = push_array(arena, Thread, async_shared->work_threads_count);
for EachIndex(idx, async_shared->work_threads_count)
{
async_shared->work_threads[idx] = os_thread_launch(async_work_thread__entry_point, (void *)idx, 0);
async_shared->work_threads[idx] = thread_launch(async_work_thread__entry_point, (void *)idx);
}
}
@@ -68,7 +68,7 @@ async_push_work_(ASYNC_WorkFunctionType *work_function, ASYNC_WorkParams *params
// thread, and skip ring buffer if so.
B32 queued_in_ring_buffer = 0;
B32 need_to_execute_on_this_thread = 0;
OS_MutexScope(ring->ring_mutex) for(;;)
MutexScope(ring->ring_mutex) for(;;)
{
U64 num_available_work_threads = (async_shared->work_threads_count - ins_atomic_u64_eval(&async_shared->work_threads_live_count));
if(num_available_work_threads == 0 && async_work_thread_depth > 0)
@@ -167,12 +167,12 @@ async_pop_work(void)
ASYNC_Work work = {0};
B32 done = 0;
ASYNC_Priority taken_priority = ASYNC_Priority_Low;
OS_MutexScope(async_shared->ring_mutex) for(;!done;)
MutexScope(async_shared->ring_mutex) for(;!done;)
{
for(ASYNC_Priority priority = ASYNC_Priority_High;; priority = (ASYNC_Priority)(priority - 1))
{
ASYNC_Ring *ring = &async_shared->rings[priority];
OS_MutexScope(ring->ring_mutex)
MutexScope(ring->ring_mutex)
{
U64 unconsumed_size = ring->ring_write_pos - ring->ring_read_pos;
if(unconsumed_size >= sizeof(work))
@@ -274,7 +274,7 @@ internal void
async_work_thread__entry_point(void *p)
{
U64 thread_idx = (U64)p;
ThreadNameF("[async] work thread #%I64u", thread_idx);
ThreadNameF("async_work_thread_%I64u", thread_idx);
async_work_thread_idx = thread_idx;
for(;;)
{
src/async/async.h
+1 -1
View File
@@ -104,7 +104,7 @@ struct ASYNC_Shared
CondVar ring_cv;
// rjf: work threads
OS_Handle *work_threads;
Thread *work_threads;
U64 work_threads_count;
U64 work_threads_live_count;
};