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54 lines
2.8 KiB
Diff
54 lines
2.8 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/server/RegistryMaterials.java b/src/main/java/net/minecraft/server/RegistryMaterials.java
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index c60140a283df47edf23fe4f54a2c1d2fca7593f8..79817e3ffcac372e00b92c5b6bcb44653fcb73db 100644
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--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
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+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
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@@ -25,9 +25,9 @@ import org.apache.logging.log4j.Logger;
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public class RegistryMaterials<T> extends IRegistryWritable<T> {
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protected static final Logger LOGGER = LogManager.getLogger();
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- protected final RegistryID<T> b = new RegistryID<>(256);
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- protected final BiMap<MinecraftKey, T> c = HashBiMap.create();
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- private final BiMap<ResourceKey<T>, T> bb = HashBiMap.create();
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+ protected final RegistryID<T> b = new RegistryID<>(2048); // Paper - use bigger expected size to reduce collisions
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+ protected final BiMap<MinecraftKey, T> c = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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+ private final BiMap<ResourceKey<T>, T> bb = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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private final Set<ResourceKey<T>> bc = Sets.newIdentityHashSet();
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protected Object[] d;
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private int bd;
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@@ -124,7 +124,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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this.d = collection.toArray(new Object[collection.size()]);
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}
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- return SystemUtils.a(this.d, random);
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+ return (T) SystemUtils.a(this.d, random); // Paper - Decompile fix
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}
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@Override
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@@ -164,7 +164,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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Iterator iterator = registrymaterials.b.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(Pair.of(registrymaterials.c(t0).get(), t0));
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}
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@@ -191,7 +191,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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registrymaterials.bb.entrySet().stream().filter((entry) -> {
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return registrymaterials.c((ResourceKey) entry.getKey());
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- }).forEach(com_google_common_collect_immutablemap_builder::put);
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+ }).forEach(entry1 -> com_google_common_collect_immutablemap_builder.put((java.util.Map.Entry<? extends net.minecraft.server.ResourceKey<T>,? extends T>) entry1)); // Paper - compiler fix (expand method reference + add cast)
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return com_google_common_collect_immutablemap_builder.build();
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});
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}
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