PaperMC/patches/server/0238-Optimize-MappedRegistry.patch
Riley Park f17519338b
Expose server build information (#10729)
* Expose server build information

* squash patches

* final tweaks

---------

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: masmc05 <masmc05@gmail.com>
2024-05-15 17:06:59 -07:00

30 lines
2.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 26 Aug 2018 20:49:50 -0400
Subject: [PATCH] Optimize MappedRegistry
Use larger initial sizes to increase bucket capacity on the BiMap
BiMap.get was seen to be using a good bit of CPU time.
diff --git a/src/main/java/net/minecraft/core/MappedRegistry.java b/src/main/java/net/minecraft/core/MappedRegistry.java
index aac210f682303b85e207bb230decb1af62a1a25a..a35fe2b8ef35692fb7b5d520944d0c6ae53ac07e 100644
--- a/src/main/java/net/minecraft/core/MappedRegistry.java
+++ b/src/main/java/net/minecraft/core/MappedRegistry.java
@@ -35,11 +35,11 @@ public class MappedRegistry<T> implements WritableRegistry<T> {
private static final Logger LOGGER = LogUtils.getLogger();
final ResourceKey<? extends Registry<T>> key;
private final ObjectList<Holder.Reference<T>> byId = new ObjectArrayList<>(256);
- private final Reference2IntMap<T> toId = Util.make(new Reference2IntOpenHashMap<>(), map -> map.defaultReturnValue(-1));
- private final Map<ResourceLocation, Holder.Reference<T>> byLocation = new HashMap<>();
- private final Map<ResourceKey<T>, Holder.Reference<T>> byKey = new HashMap<>();
- private final Map<T, Holder.Reference<T>> byValue = new IdentityHashMap<>();
- private final Map<ResourceKey<T>, RegistrationInfo> registrationInfos = new IdentityHashMap<>();
+ private final Reference2IntMap<T> toId = Util.make(new Reference2IntOpenHashMap<>(2048), map -> map.defaultReturnValue(-1)); // Paper - Perf: Use bigger expected size to reduce collisions
+ private final Map<ResourceLocation, Holder.Reference<T>> byLocation = new HashMap<>(2048); // Paper - Perf: Use bigger expected size to reduce collisions
+ private final Map<ResourceKey<T>, Holder.Reference<T>> byKey = new HashMap<>(2048); // Paper - Perf: Use bigger expected size to reduce collisions
+ private final Map<T, Holder.Reference<T>> byValue = new IdentityHashMap<>(2048); // Paper - Perf: Use bigger expected size to reduce collisions
+ private final Map<ResourceKey<T>, RegistrationInfo> registrationInfos = new IdentityHashMap<>(2048); // Paper - Perf: Use bigger expected size to reduce collisions
private Lifecycle registryLifecycle;
private volatile Map<TagKey<T>, HolderSet.Named<T>> tags = new IdentityHashMap<>();
private boolean frozen;