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Maptick lag minimization port (#12066)

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* extools.dll

* backend

* queued pipenet builds

* oh yeah we don't have that

* wow

* Update air.dm
This commit is contained in:
kevinz000
2020-05-02 18:34:33 -07:00
committed by GitHub
parent 5bf7fd0030
commit c1436c4c7b
17 changed files with 87 additions and 42 deletions
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35
code/controllers/master.dm
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@@ -36,6 +36,9 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
var/sleep_delta = 1
///Only run ticker subsystems for the next n ticks.
var/skip_ticks = 0
var/make_runtime = 0
var/initializations_finished_with_no_players_logged_in //I wonder what this could be?
@@ -335,7 +338,7 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
new/datum/controller/failsafe() // (re)Start the failsafe.
//now do the actual stuff
if (!queue_head || !(iteration % 3))
if (!skip_ticks)
var/checking_runlevel = current_runlevel
if(cached_runlevel != checking_runlevel)
//resechedule subsystems
@@ -381,6 +384,8 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
iteration++
last_run = world.time
if (skip_ticks)
skip_ticks--
src.sleep_delta = MC_AVERAGE_FAST(src.sleep_delta, sleep_delta)
current_ticklimit = TICK_LIMIT_RUNNING
if (processing * sleep_delta <= world.tick_lag)
@@ -444,10 +449,12 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
while (queue_node)
if (ran && TICK_USAGE > TICK_LIMIT_RUNNING)
break
queue_node_flags = queue_node.flags
queue_node_priority = queue_node.queued_priority
if (!(queue_node_flags & SS_TICKER) && skip_ticks)
queue_node = queue_node.queue_next
continue
//super special case, subsystems where we can't make them pause mid way through
//if we can't run them this tick (without going over a tick)
//we bump up their priority and attempt to run them next tick
@@ -455,14 +462,15 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
// in those cases, so we just let them run)
if (queue_node_flags & SS_NO_TICK_CHECK)
if (queue_node.tick_usage > TICK_LIMIT_RUNNING - TICK_USAGE && ran_non_ticker)
queue_node.queued_priority += queue_priority_count * 0.1
queue_priority_count -= queue_node_priority
queue_priority_count += queue_node.queued_priority
current_tick_budget -= queue_node_priority
queue_node = queue_node.queue_next
if (!(queue_node_flags & SS_BACKGROUND))
queue_node.queued_priority += queue_priority_count * 0.1
queue_priority_count -= queue_node_priority
queue_priority_count += queue_node.queued_priority
current_tick_budget -= queue_node_priority
queue_node = queue_node.queue_next
continue
if ((queue_node_flags & SS_BACKGROUND) && !bg_calc)
if (!bg_calc && (queue_node_flags & SS_BACKGROUND))
current_tick_budget = queue_priority_count_bg
bg_calc = TRUE
@@ -515,7 +523,7 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
queue_node.paused_ticks = 0
queue_node.paused_tick_usage = 0
if (queue_node_flags & SS_BACKGROUND) //update our running total
if (bg_calc) //update our running total
queue_priority_count_bg -= queue_node_priority
else
queue_priority_count -= queue_node_priority
@@ -583,14 +591,19 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
log_world("MC: SoftReset: Finished.")
. = 1
/// Warns us that the end of tick byond map_update will be laggier then normal, so that we can just skip running subsystems this tick.
/datum/controller/master/proc/laggy_byond_map_update_incoming()
if (!skip_ticks)
skip_ticks = 1
/datum/controller/master/stat_entry()
if(!statclick)
statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
stat("Byond:", "(FPS:[world.fps]) (TickCount:[world.time/world.tick_lag]) (TickDrift:[round(Master.tickdrift,1)]([round((Master.tickdrift/(world.time/world.tick_lag))*100,0.1)]%))")
stat("Master Controller:", statclick.update("(TickRate:[Master.processing]) (Iteration:[Master.iteration])"))
stat("Byond:", "(FPS:[world.fps]) (TickCount:[world.time/world.tick_lag]) (TickDrift:[round(Master.tickdrift,1)]([round((Master.tickdrift/(world.time/world.tick_lag))*100,0.1)]%)) (Internal Tick Usage: [round(MAPTICK_LAST_INTERNAL_TICK_USAGE,0.1)]%)")
stat("Master Controller:", statclick.update("(TickRate:[Master.processing]) (Iteration:[Master.iteration]) (TickLimit: [round(Master.current_ticklimit, 0.1)])"))
/datum/controller/master/StartLoadingMap()
//disallow more than one map to load at once, multithreading it will just cause race conditions