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throttle new conversion process launches based on available system-wide threads, with heuristic threshold of oversubscription; tweak size -> thread count heuristic

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This commit is contained in:
Ryan Fleury
2025-09-29 16:07:16 -07:00
parent 92809ee6b6
commit 3a409f5ab3
1 changed files with 14 additions and 4 deletions
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src/dbg_info/dbg_info2.c
+14 -4
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@@ -571,15 +571,25 @@ di2_async_tick(void)
if(0){} if(0){}
else if(og_size <= MB(4)) {thread_count = 1;} else if(og_size <= MB(4)) {thread_count = 1;}
else if(og_size <= MB(256)) {thread_count = max_thread_count/4;} else if(og_size <= MB(256)) {thread_count = max_thread_count/4;}
else if(og_size <= MB(512)) {thread_count = max_thread_count/2;} else if(og_size <= MB(512)) {thread_count = max_thread_count/3;}
else if(og_size <= GB(1)) {thread_count = max_thread_count/2;}
else {thread_count = max_thread_count;} else {thread_count = max_thread_count;}
} }
thread_count = Max(1, thread_count); thread_count = Max(1, thread_count);
t->thread_count = thread_count; t->thread_count = thread_count;
} }
//- rjf: determine if there are threads available
B32 threads_available = 0;
{
U64 max_threads = os_get_system_info()->logical_processor_count*8;
U64 current_threads = di2_shared->conversion_thread_count;
U64 needed_threads = (current_threads + t->thread_count);
threads_available = (max_threads >= needed_threads);
}
//- rjf: launch conversion processes //- rjf: launch conversion processes
if(!og_is_rdi && rdi_is_stale && t->thread_count != 0 && t->status != DI2_LoadTaskStatus_Active) if(threads_available && !og_is_rdi && rdi_is_stale && t->thread_count != 0 && t->status != DI2_LoadTaskStatus_Active)
{ {
B32 should_compress = 0; B32 should_compress = 0;
OS_ProcessLaunchParams params = {0}; OS_ProcessLaunchParams params = {0};
@@ -610,6 +620,8 @@ di2_async_tick(void)
if(t->status == DI2_LoadTaskStatus_Active && os_process_join(t->process, 0, &exit_code)) if(t->status == DI2_LoadTaskStatus_Active && os_process_join(t->process, 0, &exit_code))
{ {
t->status = DI2_LoadTaskStatus_Done; t->status = DI2_LoadTaskStatus_Done;
di2_shared->conversion_process_count -= 1;
di2_shared->conversion_thread_count -= t->thread_count;
} }
} }
@@ -625,8 +637,6 @@ di2_async_tick(void)
{ {
DLLRemove(di2_shared->first_load_task, di2_shared->last_load_task, t); DLLRemove(di2_shared->first_load_task, di2_shared->last_load_task, t);
SLLStackPush(di2_shared->free_load_task, t); SLLStackPush(di2_shared->free_load_task, t);
di2_shared->conversion_process_count -= 1;
di2_shared->conversion_thread_count -= t->thread_count;
ParseTaskNode *n = push_array(scratch.arena, ParseTaskNode, 1); ParseTaskNode *n = push_array(scratch.arena, ParseTaskNode, 1);
n->v.key = key; n->v.key = key;
n->v.rdi_path = rdi_path; n->v.rdi_path = rdi_path;