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-rw-r--r--patches/server/1006-Remove-streams-from-hot-code.patch244
1 files changed, 244 insertions, 0 deletions
diff --git a/patches/server/1006-Remove-streams-from-hot-code.patch b/patches/server/1006-Remove-streams-from-hot-code.patch
new file mode 100644
index 0000000000..75a38173c7
--- /dev/null
+++ b/patches/server/1006-Remove-streams-from-hot-code.patch
@@ -0,0 +1,244 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: JRoy <[email protected]>
+Date: Wed, 1 Jul 2020 18:01:49 -0400
+Subject: [PATCH] Remove streams from hot code
+
+Co-authored-by: Bjarne Koll <[email protected]>
+Co-authored-by: Spottedleaf <[email protected]>
+
+diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java b/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
+index 4b31a91a8d8a3b231e323692d0a0f7ae04dc7e89..79e7a7adf9f9d8b9fee7ae3bb3bebab86fa7fd72 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
++++ b/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
+@@ -52,7 +52,7 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
+ if (this.hasRequiredMemories(entity)) {
+ this.status = Behavior.Status.RUNNING;
+ this.orderPolicy.apply(this.behaviors);
+- this.runningPolicy.apply(this.behaviors.stream(), world, entity, time);
++ this.runningPolicy.apply(this.behaviors, world, entity, time); // Paper - Perf: Remove streams from hot code
+ return true;
+ } else {
+ return false;
+@@ -61,11 +61,13 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
+
+ @Override
+ public final void tickOrStop(ServerLevel world, E entity, long time) {
+- this.behaviors.stream().filter((task) -> {
+- return task.getStatus() == Behavior.Status.RUNNING;
+- }).forEach((task) -> {
+- task.tickOrStop(world, entity, time);
+- });
++ // Paper start - Perf: Remove streams from hot code
++ for (final BehaviorControl<? super E> task : this.behaviors) {
++ if (task.getStatus() == Behavior.Status.RUNNING) {
++ task.tickOrStop(world, entity, time);
++ }
++ }
++ // Paper end - Perf: Remove streams from hot code
+ if (this.behaviors.stream().noneMatch((task) -> {
+ return task.getStatus() == Behavior.Status.RUNNING;
+ })) {
+@@ -77,12 +79,16 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
+ @Override
+ public final void doStop(ServerLevel world, E entity, long time) {
+ this.status = Behavior.Status.STOPPED;
+- this.behaviors.stream().filter((task) -> {
+- return task.getStatus() == Behavior.Status.RUNNING;
+- }).forEach((task) -> {
+- task.doStop(world, entity, time);
+- });
+- this.exitErasedMemories.forEach(entity.getBrain()::eraseMemory);
++ // Paper start - Perf: Remove streams from hot code
++ for (final BehaviorControl<? super E> task : this.behaviors) {
++ if (task.getStatus() == Behavior.Status.RUNNING) {
++ task.doStop(world, entity, time);
++ }
++ }
++ for (final MemoryModuleType<?> exitErasedMemory : this.exitErasedMemories) {
++ entity.getBrain().eraseMemory(exitErasedMemory);
++ }
++ // Paper end - Perf: Remove streams from hot code
+ }
+
+ @Override
+@@ -116,26 +122,30 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
+
+ public static enum RunningPolicy {
+ RUN_ONE {
++ // Paper start - Perf: Remove streams from hot code
+ @Override
+- public <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
+- tasks.filter((task) -> {
+- return task.getStatus() == Behavior.Status.STOPPED;
+- }).filter((task) -> {
+- return task.tryStart(world, entity, time);
+- }).findFirst();
++ public <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
++ for (final BehaviorControl<? super E> task : tasks) {
++ if (task.getStatus() == Behavior.Status.STOPPED && task.tryStart(world, entity, time)) {
++ break;
++ }
++ }
++ // Paper end - Perf: Remove streams from hot code
+ }
+ },
+ TRY_ALL {
++ // Paper start - Perf: Remove streams from hot code
+ @Override
+- public <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
+- tasks.filter((task) -> {
+- return task.getStatus() == Behavior.Status.STOPPED;
+- }).forEach((task) -> {
+- task.tryStart(world, entity, time);
+- });
++ public <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
++ for (final BehaviorControl<? super E> task : tasks) {
++ if (task.getStatus() == Behavior.Status.STOPPED) {
++ task.tryStart(world, entity, time);
++ }
++ }
++ // Paper end - Perf: Remove streams from hot code
+ }
+ };
+
+- public abstract <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time);
++ public abstract <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time); // Paper - Perf: Remove streams from hot code
+ }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
+index f1e717dc8320a00c0cc0ff53d97b74e7c1e109fe..2240fc6d5ba9530fcd62d6b560c17a275d4f164a 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
++++ b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
+@@ -61,8 +61,22 @@ public class GossipContainer {
+ });
+ }
+
++ // Paper start - Perf: Remove streams from hot code
++ private List<GossipContainer.GossipEntry> decompress() {
++ List<GossipContainer.GossipEntry> list = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
++ for (Map.Entry<UUID, GossipContainer.EntityGossips> entry : this.gossips.entrySet()) {
++ for (GossipContainer.GossipEntry cur : entry.getValue().decompress(entry.getKey())) {
++ if (cur.weightedValue() != 0) {
++ list.add(cur);
++ }
++ }
++ }
++ return list;
++ }
++ // Paper end - Perf: Remove streams from hot code
++
+ private Collection<GossipContainer.GossipEntry> selectGossipsForTransfer(RandomSource random, int count) {
+- List<GossipContainer.GossipEntry> list = this.unpack().toList();
++ List<GossipContainer.GossipEntry> list = this.decompress(); // Paper - Perf: Remove streams from hot code
+ if (list.isEmpty()) {
+ return Collections.emptyList();
+ } else {
+@@ -156,7 +170,7 @@ public class GossipContainer {
+ }
+
+ public <T> T store(DynamicOps<T> ops) {
+- return GossipContainer.GossipEntry.LIST_CODEC.encodeStart(ops, this.unpack().toList()).resultOrPartial((error) -> {
++ return GossipContainer.GossipEntry.LIST_CODEC.encodeStart(ops, this.decompress()).resultOrPartial((error) -> { // Paper - Perf: Remove streams from hot code
+ LOGGER.warn("Failed to serialize gossips: {}", (Object)error);
+ }).orElseGet(ops::emptyList);
+ }
+@@ -184,11 +198,23 @@ public class GossipContainer {
+ final Object2IntMap<GossipType> entries = new Object2IntOpenHashMap<>();
+
+ public int weightedValue(Predicate<GossipType> gossipTypeFilter) {
+- return this.entries.object2IntEntrySet().stream().filter((entry) -> {
+- return gossipTypeFilter.test(entry.getKey());
+- }).mapToInt((entry) -> {
+- return entry.getIntValue() * (entry.getKey()).weight;
+- }).sum();
++ // Paper start - Perf: Remove streams from hot code
++ int weight = 0;
++ for (Object2IntMap.Entry<GossipType> entry : entries.object2IntEntrySet()) {
++ if (gossipTypeFilter.test(entry.getKey())) {
++ weight += entry.getIntValue() * entry.getKey().weight;
++ }
++ }
++ return weight;
++ }
++
++ public List<GossipContainer.GossipEntry> decompress(UUID uuid) {
++ List<GossipContainer.GossipEntry> list = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
++ for (Object2IntMap.Entry<GossipType> entry : entries.object2IntEntrySet()) {
++ list.add(new GossipContainer.GossipEntry(uuid, entry.getKey(), entry.getIntValue()));
++ }
++ return list;
++ // Paper end - Perf: Remove streams from hot code
+ }
+
+ public Stream<GossipContainer.GossipEntry> unpack(UUID target) {
+diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
+index a41c3365db8e9999b686f5bf4bd888458cee43a5..18e2fd705fe0db7cb9e3afe1ce7c8dcfaf93b1a5 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
++++ b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
+@@ -25,14 +25,18 @@ public class NearestItemSensor extends Sensor<Mob> {
+ protected void doTick(ServerLevel world, Mob entity) {
+ Brain<?> brain = entity.getBrain();
+ List<ItemEntity> list = world.getEntitiesOfClass(ItemEntity.class, entity.getBoundingBox().inflate(32.0D, 16.0D, 32.0D), (itemEntity) -> {
+- return true;
++ return itemEntity.closerThan(entity, MAX_DISTANCE_TO_WANTED_ITEM) && entity.wantsToPickUp(itemEntity.getItem()); // Paper - Perf: Move predicate into getEntities
+ });
+ list.sort(Comparator.comparingDouble(entity::distanceToSqr));
+- Optional<ItemEntity> optional = list.stream().filter((itemEntity) -> {
+- return entity.wantsToPickUp(itemEntity.getItem());
+- }).filter((itemEntity) -> {
+- return itemEntity.closerThan(entity, 32.0D);
+- }).filter(entity::hasLineOfSight).findFirst();
+- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_WANTED_ITEM, optional);
++ // Paper start - Perf: remove streams from hot code
++ ItemEntity nearest = null;
++ for (ItemEntity entityItem : list) {
++ if (entity.hasLineOfSight(entityItem)) { // Paper - Perf: Move predicate into getEntities
++ nearest = entityItem;
++ break;
++ }
++ }
++ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_WANTED_ITEM, Optional.ofNullable(nearest));
++ // Paper end - Perf: remove streams from hot code
+ }
+ }
+diff --git a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
+index bb8d8edb47621665872a5e8fc01512ba40c1b913..dcb62d768d234f60af77ffb589ac2011afcfae4b 100644
+--- a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
++++ b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
+@@ -36,9 +36,10 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
+ int j = pos.getMinBlockZ();
+ ObjectList<Beardifier.Rigid> objectList = new ObjectArrayList<>(10);
+ ObjectList<JigsawJunction> objectList2 = new ObjectArrayList<>(32);
+- world.startsForStructure(pos, (structure) -> {
++ // Paper start - Perf: Remove streams from hot code
++ for (net.minecraft.world.level.levelgen.structure.StructureStart start : world.startsForStructure(pos, (structure) -> {
+ return structure.terrainAdaptation() != TerrainAdjustment.NONE;
+- }).forEach((start) -> {
++ })) { // Paper end - Perf: Remove streams from hot code
+ TerrainAdjustment terrainAdjustment = start.getStructure().terrainAdaptation();
+
+ for(StructurePiece structurePiece : start.getPieces()) {
+@@ -51,9 +52,11 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
+ }
+
+ for(JigsawJunction jigsawJunction : poolElementStructurePiece.getJunctions()) {
+- int i = jigsawJunction.getSourceX();
+- int j = jigsawJunction.getSourceZ();
+- if (i > i - 12 && j > j - 12 && i < i + 15 + 12 && j < j + 15 + 12) {
++ // Paper start - decompile fix
++ int i2 = jigsawJunction.getSourceX();
++ int j2 = jigsawJunction.getSourceZ();
++ if (i2 > i - 12 && j2 > j - 12 && i2 < i + 15 + 12 && j2 < j + 15 + 12) {
++ // Paper end - decompile fix
+ objectList2.add(jigsawJunction);
+ }
+ }
+@@ -63,7 +66,7 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
+ }
+ }
+
+- });
++ } // Paper - Perf: Remove streams from hot code
+ return new Beardifier(objectList.iterator(), objectList2.iterator());
+ }
+