mirror of
https://github.com/PaperMC/Paper.git
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a207d14a0e
Signed-off-by: Mariell Hoversholm <proximyst@proximyst.com>
97 lines
4.7 KiB
Diff
97 lines
4.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 26 Aug 2018 20:49:50 -0400
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Subject: [PATCH] Optimize RegistryMaterials
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Use larger initial sizes to increase bucket capacity on the BiMap
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BiMap.get was seen to be using a good bit of CPU time.
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diff --git a/src/main/java/net/minecraft/core/MappedRegistry.java b/src/main/java/net/minecraft/core/MappedRegistry.java
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index 928d4b980a1f703915454ffb304dc329fa4223df..da3733db4a5817673703f6c0cf37b5ee3bf91a99 100644
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--- a/src/main/java/net/minecraft/core/MappedRegistry.java
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+++ b/src/main/java/net/minecraft/core/MappedRegistry.java
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@@ -30,6 +30,7 @@ import net.minecraft.Util;
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import net.minecraft.resources.RegistryDataPackCodec;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.resources.ResourceLocation;
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+import it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap; // Paper
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import org.apache.commons.lang3.Validate;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -38,7 +39,7 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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protected static final Logger LOGGER = LogManager.getLogger();
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private final ObjectList<T> byId = new ObjectArrayList(256);
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- private final Object2IntMap<T> toId = new Object2IntOpenCustomHashMap(Util.identityStrategy());
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+ private final Reference2IntOpenHashMap<T> bg = new Reference2IntOpenHashMap<T>(2048);// Paper - use bigger expected size to reduce collisions and direct intent for FastUtil to be identity map
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private final BiMap<ResourceLocation, T> storage;
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private final BiMap<ResourceKey<T>, T> keyStorage;
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private final Map<T, Lifecycle> lifecycles;
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@@ -48,10 +49,10 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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public MappedRegistry(ResourceKey<? extends Registry<T>> key, Lifecycle lifecycle) {
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super(key, lifecycle);
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- this.toId.defaultReturnValue(-1);
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- this.storage = HashBiMap.create();
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- this.keyStorage = HashBiMap.create();
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- this.lifecycles = Maps.newIdentityHashMap();
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+ this.bg.defaultReturnValue(-1);
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+ this.storage = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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+ this.keyStorage = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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+ this.lifecycles = new java.util.IdentityHashMap<>(2048); // Paper - use bigger expected size to reduce collisions
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this.elementsLifecycle = lifecycle;
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}
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@@ -77,7 +78,7 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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Validate.notNull(entry);
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this.byId.size(Math.max(this.byId.size(), rawId + 1));
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this.byId.set(rawId, entry);
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- this.toId.put(entry, rawId);
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+ this.bg.put(entry, rawId);
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this.randomCache = null;
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if (checkDuplicateKeys && this.keyStorage.containsKey(key)) {
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MappedRegistry.LOGGER.debug("Adding duplicate key '{}' to registry", key);
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@@ -113,12 +114,12 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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if (t0 == null) {
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i = rawId.isPresent() ? rawId.getAsInt() : this.nextId;
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} else {
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- i = this.toId.getInt(t0);
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+ i = this.bg.getInt(t0);
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if (rawId.isPresent() && rawId.getAsInt() != i) {
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throw new IllegalStateException("ID mismatch");
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}
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- this.toId.removeInt(t0);
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+ this.bg.removeInt(t0);
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this.lifecycles.remove(t0);
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}
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@@ -138,7 +139,7 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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@Override
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public int getId(@Nullable T entry) {
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- return this.toId.getInt(entry);
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+ return this.bg.getInt(entry);
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}
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@Nullable
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@@ -195,7 +196,7 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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this.randomCache = collection.toArray(new Object[collection.size()]);
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}
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- return Util.getRandom(this.randomCache, random);
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+ return (T) Util.getRandom(this.randomCache, random); // Paper - Decompile fix
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}
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public static <T> Codec<MappedRegistry<T>> networkCodec(ResourceKey<? extends Registry<T>> resourcekey, Lifecycle lifecycle, Codec<T> entryCodec) {
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@@ -215,7 +216,7 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
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Iterator iterator = registrymaterials.iterator();
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while (iterator.hasNext()) {
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- T t0 = iterator.next();
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+ T t0 = (T) iterator.next(); // Paper - Decompile fix
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builder.add(new MappedRegistry.RegistryEntry<>((ResourceKey) registrymaterials.getResourceKey(t0).get(), registrymaterials.getId(t0), t0));
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}
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