mirror of
https://github.com/SparklyPower/SparklyPaper.git
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136 lines
8.9 KiB
Diff
136 lines
8.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrPowerGamerBR <git@mrpowergamerbr.com>
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Date: Sun, 19 Nov 2023 12:35:16 -0300
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Subject: [PATCH] Skip EntityScheduler's executeTick checks if there isn't any
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tasks to be run
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On each tick, Paper runs EntityScheduler's executeTick of each entity. This is a bit expensive, due to ArrayDeque's size() call because it ain't a simple "get the current queue size" function, due to the thread checks, and because it needs to iterate all entities in all worlds.
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To avoid the hefty ArrayDeque's size() call, we check if we *really* need to execute the executeTick, by adding all entities with scheduled tasks to a global set.
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Most entities won't have any scheduled tasks, so this is a nice performance bonus. These optimizations, however, wouldn't work in a Folia environment, but because in SparklyPaper executeTick is always executed on the main thread, it ain't an issue for us (yay).
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diff --git a/src/main/java/io/papermc/paper/threadedregions/EntityScheduler.java b/src/main/java/io/papermc/paper/threadedregions/EntityScheduler.java
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index 62484ebf4550b05182f693a3180bbac5d5fd906d..67800e426445060a8343e27a7452b8d7ed27ac5f 100644
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--- a/src/main/java/io/papermc/paper/threadedregions/EntityScheduler.java
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+++ b/src/main/java/io/papermc/paper/threadedregions/EntityScheduler.java
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@@ -36,6 +36,7 @@ public final class EntityScheduler {
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* The Entity. Note that it is the CraftEntity, since only that class properly tracks world transfers.
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*/
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public final CraftEntity entity;
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+ public final net.minecraft.server.MinecraftServer server; // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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private static final record ScheduledTask(Consumer<? extends Entity> run, Consumer<? extends Entity> retired) {}
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@@ -46,7 +47,8 @@ public final class EntityScheduler {
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private final ArrayDeque<ScheduledTask> currentlyExecuting = new ArrayDeque<>();
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- public EntityScheduler(final CraftEntity entity) {
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+ public EntityScheduler(final net.minecraft.server.MinecraftServer server, final CraftEntity entity) { // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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+ this.server = Validate.notNull(server);
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this.entity = Validate.notNull(entity);
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}
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@@ -61,14 +63,16 @@ public final class EntityScheduler {
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* @throws IllegalStateException If the scheduler is already retired.
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*/
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public void retire() {
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+ final Entity thisEntity = this.entity.getHandleRaw(); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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synchronized (this.stateLock) {
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if (this.tickCount == RETIRED_TICK_COUNT) {
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throw new IllegalStateException("Already retired");
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}
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this.tickCount = RETIRED_TICK_COUNT;
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+ this.server.entitiesWithScheduledTasks.remove(thisEntity); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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}
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- final Entity thisEntity = this.entity.getHandleRaw();
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+ // final Entity thisEntity = this.entity.getHandleRaw(); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run (moved up)
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// correctly handle and order retiring while running executeTick
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for (int i = 0, len = this.currentlyExecuting.size(); i < len; ++i) {
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@@ -124,6 +128,7 @@ public final class EntityScheduler {
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if (this.tickCount == RETIRED_TICK_COUNT) {
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return false;
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}
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+ this.server.entitiesWithScheduledTasks.add(this.entity.getHandleRaw()); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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this.oneTimeDelayed.computeIfAbsent(this.tickCount + Math.max(1L, delay), (final long keyInMap) -> {
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return new ArrayList<>();
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}).add(task);
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@@ -143,6 +148,13 @@ public final class EntityScheduler {
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TickThread.ensureTickThread(thisEntity, "May not tick entity scheduler asynchronously");
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final List<ScheduledTask> toRun;
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synchronized (this.stateLock) {
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+ // SparklyPaper start - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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+ // Do we *really* have scheduled tasks tho?
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+ if (this.currentlyExecuting.isEmpty() && this.oneTimeDelayed.isEmpty()) { // Check if we have any pending tasks and, if not, skip!
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+ this.server.entitiesWithScheduledTasks.remove(thisEntity); // We don't! Bye bye!!
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+ return;
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+ }
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+ // SparklyPaper end
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if (this.tickCount == RETIRED_TICK_COUNT) {
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throw new IllegalStateException("Ticking retired scheduler");
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index f1c65967b74e79452870438eea0942cc700fe0e9..4820e5ae050966d89a0d0b587c83537d4a1e1393 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -314,6 +314,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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// Paper start - lag compensation
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public static final long SERVER_INIT = System.nanoTime();
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// Paper end - lag compensation
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+ public final Set<Entity> entitiesWithScheduledTasks = java.util.concurrent.ConcurrentHashMap.newKeySet(); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run (concurrent because plugins may schedule tasks async)
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public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
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AtomicReference<S> atomicreference = new AtomicReference();
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@@ -1640,6 +1641,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Spigot // Paper
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// Paper start - Folia scheduler API
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((io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler) Bukkit.getGlobalRegionScheduler()).tick();
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+ // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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+ for (final Entity entity : entitiesWithScheduledTasks) {
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+ if (entity.isRemoved()) {
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+ continue;
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+ }
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+
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+ final org.bukkit.craftbukkit.entity.CraftEntity bukkit = entity.getBukkitEntityRaw();
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+ if (bukkit != null) {
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+ bukkit.taskScheduler.executeTick();
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+ }
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+ }
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+ /*
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getAllLevels().forEach(level -> {
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for (final Entity entity : level.getEntityLookup().getAllCopy()) {
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if (entity.isRemoved()) {
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@@ -1651,6 +1664,8 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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}
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}
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});
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+ */
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+ // SparklyPaper end
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// Paper end - Folia scheduler API
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io.papermc.paper.adventure.providers.ClickCallbackProviderImpl.CALLBACK_MANAGER.handleQueue(this.tickCount); // Paper
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this.profiler.push("commandFunctions");
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 1727e932ac6b9ca09b5df96f9547ff125114e15a..bcb1f764702dce94e9989c2a3cb745ff6e60753b 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -68,7 +68,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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private final CraftPersistentDataContainer persistentDataContainer = new CraftPersistentDataContainer(CraftEntity.DATA_TYPE_REGISTRY);
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protected net.kyori.adventure.pointer.Pointers adventure$pointers; // Paper - implement pointers
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// Paper start - Folia shedulers
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- public final io.papermc.paper.threadedregions.EntityScheduler taskScheduler = new io.papermc.paper.threadedregions.EntityScheduler(this);
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+ public final io.papermc.paper.threadedregions.EntityScheduler taskScheduler; // = new io.papermc.paper.threadedregions.EntityScheduler(this); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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private final io.papermc.paper.threadedregions.scheduler.FoliaEntityScheduler apiScheduler = new io.papermc.paper.threadedregions.scheduler.FoliaEntityScheduler(this);
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@Override
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@@ -81,6 +81,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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this.server = server;
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this.entity = entity;
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this.entityType = CraftEntityType.minecraftToBukkit(entity.getType());
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+ this.taskScheduler = new io.papermc.paper.threadedregions.EntityScheduler(this.entity.getServer(), this); // SparklyPaper - skip EntityScheduler's executeTick checks if there isn't any tasks to be run
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}
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public static <T extends Entity> CraftEntity getEntity(CraftServer server, T entity) {
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