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Optimize Bukkit <-> NMS Mapping tables and legacy conversion

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Use O(1) patterns for mapping conversions to improve plugin performance.
Optimize collections used by legacy plugin conversion

This should improve plugin performance across the board
on Paper for both Modern and Legacy Plugins.

Also log how long building those tables takes...
This commit is contained in:
Aikar 2019-03-25 22:37:28 -04:00
parent 364a53e37a
commit f5e7717214
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GPG key ID: 401ADFC9891FAAFE
1 changed files with 258 additions and 0 deletions
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Spigot-Server-Patches/0430-Optimize-Bukkit-NMS-Mapping-tables.patch Normal file
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@ -0,0 +1,258 @@
From 17c3e01aba9c7b56fdf6380dad0cfe3f9e23722f Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 25 Mar 2019 21:07:58 -0400
Subject: [PATCH] Optimize Bukkit <-> NMS Mapping tables
Use O(1) patterns for mapping conversions to improve plugin performance.
Use optimized collections for legacy conversion
Log Legacy/API build up time
diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index 2e460a7f6..10ee1421d 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -23,6 +23,8 @@ public class Block implements IMaterial {
protected final SoundEffectType stepSound;
protected final Material material;
// Paper start
+ private static int ID_POOL = 0;
+ public int internalId = ID_POOL++;
public co.aikar.timings.Timing timing;
public co.aikar.timings.Timing getTiming() {
if (timing == null) {
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 21a05b2b2..0098843db 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -230,6 +230,13 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
}
}
+ // Paper start - preload legacy data here
+ long legacyStart = System.nanoTime();
+ LOGGER.info("Loading API Data");
+ int dataVersion = org.bukkit.craftbukkit.util.CraftMagicNumbers.INSTANCE.getDataVersion();
+ LOGGER.info("Loaded API Data (time: " + ((System.nanoTime() - legacyStart) / 1000000) + "ms|dataVersion=" +dataVersion + ")");
+ // Paper end
+
// CraftBukkit start
// this.a((PlayerList) (new DedicatedPlayerList(this))); // Spigot - moved up
server.loadPlugins();
diff --git a/src/main/java/net/minecraft/server/IDynamicTexture.java b/src/main/java/net/minecraft/server/IDynamicTexture.java
index 1ce4982e4..38a88bc39 100644
--- a/src/main/java/net/minecraft/server/IDynamicTexture.java
+++ b/src/main/java/net/minecraft/server/IDynamicTexture.java
@@ -1,3 +1,5 @@
package net.minecraft.server;
-public interface IDynamicTexture {}
+public interface IDynamicTexture {
+ float a(ItemStack itemstack, World world, EntityLiving entityliving); // Paper - restore client method
+}
diff --git a/src/main/java/net/minecraft/server/Item.java b/src/main/java/net/minecraft/server/Item.java
index e719769b7..ac84bbecd 100644
--- a/src/main/java/net/minecraft/server/Item.java
+++ b/src/main/java/net/minecraft/server/Item.java
@@ -32,11 +32,15 @@ public class Item implements IMaterial {
private final int maxStackSize;
private final int durability;
private final Item craftingResult;
+ // Paper start
+ private static int ID_POOL = 0;
+ public int internalId = ID_POOL++;
+ // Paper end
@Nullable
private String name;
public static int getId(Item item) {
- return item == null ? 0 : IRegistry.ITEM.a((Object) item);
+ return item == null ? 0 : IRegistry.ITEM.a(item); // Paper - decompile fix
}
public static Item getById(int i) {
@@ -1069,7 +1073,7 @@ public class Item implements IMaterial {
((ItemBlock) item).a(Item.f, item);
}
- IRegistry.ITEM.a(minecraftkey, (Object) item);
+ IRegistry.ITEM.a(minecraftkey, item); // Paper - decompile fix
}
public boolean a(Tag<Item> tag) {
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
index c6aae8071..2602695d8 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
@@ -8,6 +8,9 @@ import java.util.HashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
+
+import it.unimi.dsi.fastutil.bytes.Byte2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import net.minecraft.server.Block;
import net.minecraft.server.BlockStateList;
import net.minecraft.server.Blocks;
@@ -42,14 +45,14 @@ import org.bukkit.material.MaterialData;
@Deprecated
public class CraftLegacy {
- private static final Map<Byte, Material> SPAWN_EGGS = new HashMap<>();
+ private static final Map<Byte, Material> SPAWN_EGGS = new Byte2ObjectOpenHashMap<>(); // Paper
private static final Set<String> whitelistedStates = new HashSet<>(Arrays.asList("explode", "check_decay", "decayable"));
private static final Map<MaterialData, Item> materialToItem = new HashMap<>(16384);
- private static final Map<Item, MaterialData> itemToMaterial = new HashMap<>(1024);
+ private static final Int2ObjectOpenHashMap<MaterialData> itemToMaterial = new Int2ObjectOpenHashMap<>(1024); // Paper
private static final Map<MaterialData, IBlockData> materialToData = new HashMap<>(4096);
private static final Map<IBlockData, MaterialData> dataToMaterial = new HashMap<>(4096);
private static final Map<MaterialData, Block> materialToBlock = new HashMap<>(4096);
- private static final Map<Block, MaterialData> blockToMaterial = new HashMap<>(1024);
+ private static final Int2ObjectOpenHashMap<MaterialData> blockToMaterial = new Int2ObjectOpenHashMap<>(1024); // Paper
public static Material toLegacy(Material material) {
if (material == null || material.isLegacy()) {
@@ -71,15 +74,15 @@ public class CraftLegacy {
mappedData = dataToMaterial.get(blockData);
// Fallback to any block
if (mappedData == null) {
- mappedData = blockToMaterial.get(block);
+ mappedData = blockToMaterial.get(block.internalId); // Paper
// Fallback to matching item
if (mappedData == null) {
- mappedData = itemToMaterial.get(block.getItem());
+ mappedData = itemToMaterial.get(block.getItem().internalId); // Paper
}
}
} else {
Item item = CraftMagicNumbers.getItem(material);
- mappedData = itemToMaterial.get(item);
+ mappedData = itemToMaterial.get(item.internalId); // Paper
}
return (mappedData == null) ? new MaterialData(Material.LEGACY_AIR) : mappedData;
@@ -147,14 +150,10 @@ public class CraftLegacy {
public static MaterialData toLegacy(IBlockData blockData) {
MaterialData mappedData;
- // Try exact match first
- mappedData = dataToMaterial.get(blockData);
- // Fallback to any block
- if (mappedData == null) {
- mappedData = blockToMaterial.get(blockData.getBlock());
- }
-
- return (mappedData == null) ? new MaterialData(Material.LEGACY_AIR) : mappedData;
+ return dataToMaterial.computeIfAbsent(blockData, k -> {
+ MaterialData materialData = blockToMaterial.get(blockData.getBlock().internalId);
+ return materialData != null ? materialData : new MaterialData(Material.LEGACY_AIR);
+ });
}
public static Material fromLegacy(Material material) {
@@ -366,14 +365,14 @@ public class CraftLegacy {
}
materialToData.put(matData, blockData);
- if (!dataToMaterial.containsKey(blockData)) {
- dataToMaterial.put(blockData, matData);
- }
+ //if (!dataToMaterial.containsKey(blockData)) {
+ dataToMaterial.putIfAbsent(blockData, matData);
+ //}
materialToBlock.put(matData, block);
- if (!blockToMaterial.containsKey(block)) {
- blockToMaterial.put(block, matData);
- }
+ //if (!blockToMaterial.containsKey(block.internalId)) { // Paper
+ blockToMaterial.putIfAbsent(block.internalId, matData); // Paper
+ //}
}
}
@@ -411,14 +410,14 @@ public class CraftLegacy {
// Preconditions.checkState(newId.contains("minecraft:"), "Unknown new material for " + matData);
Item newMaterial = IRegistry.ITEM.get(new MinecraftKey(newId));
- if (newMaterial == Items.AIR) {
+ if (newMaterial == Items.AIR || newMaterial == null) { // Paper
continue;
}
materialToItem.put(matData, newMaterial);
- if (!itemToMaterial.containsKey(newMaterial)) {
- itemToMaterial.put(newMaterial, matData);
- }
+ //if (!itemToMaterial.containsKey(newMaterial.internalId)) { // Paper
+ itemToMaterial.putIfAbsent(newMaterial.internalId, matData); // Paper
+ //} // Paper
}
for (Map.Entry<Byte, Material> entry : SPAWN_EGGS.entrySet()) {
@@ -426,7 +425,7 @@ public class CraftLegacy {
Item newMaterial = CraftMagicNumbers.getItem(entry.getValue());
materialToItem.put(matData, newMaterial);
- itemToMaterial.put(newMaterial, matData);
+ itemToMaterial.put(newMaterial.internalId, matData); // Paper
}
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 72e83454f..058739f22 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -68,18 +68,27 @@ public final class CraftMagicNumbers implements UnsafeValues {
}
// ========================================================================
- private static final Map<Block, Material> BLOCK_MATERIAL = new HashMap<>();
- private static final Map<Item, Material> ITEM_MATERIAL = new HashMap<>();
- private static final Map<Material, Item> MATERIAL_ITEM = new HashMap<>();
- private static final Map<Material, Block> MATERIAL_BLOCK = new HashMap<>();
-
+ // Paper start - optimize Bukkit <-> NMS Mappings
+ private static final java.util.List<Material> BLOCK_MATERIAL = new java.util.ArrayList<>();
+ private static final java.util.List<Material> ITEM_MATERIAL = new java.util.ArrayList<>();
+ private static final Map<Material, Item> MATERIAL_ITEM = new java.util.EnumMap<>(Material.class);
+ private static final Map<Material, Block> MATERIAL_BLOCK = new java.util.EnumMap<>(Material.class);
+
+ static <T> void ensureListSize(java.util.List<T> list, int len) {
+ for (int i = list.size(); i <= len; i++) {
+ list.add(null);
+ }
+ }
+ // Paper end
static {
for (Block block : (Iterable<Block>) IRegistry.BLOCK) { // Eclipse fail
- BLOCK_MATERIAL.put(block, Material.getMaterial(IRegistry.BLOCK.getKey(block).getKey().toUpperCase(Locale.ROOT)));
+ ensureListSize(BLOCK_MATERIAL, block.internalId); // Paper
+ BLOCK_MATERIAL.set(block.internalId, Material.getMaterial(IRegistry.BLOCK.getKey(block).getKey().toUpperCase(Locale.ROOT))); // Paper
}
for (Item item : (Iterable<Item>) IRegistry.ITEM) { // Eclipse fail
- ITEM_MATERIAL.put(item, Material.getMaterial(IRegistry.ITEM.getKey(item).getKey().toUpperCase(Locale.ROOT)));
+ ensureListSize(ITEM_MATERIAL, item.internalId); // Paper
+ ITEM_MATERIAL.set(item.internalId, Material.getMaterial(IRegistry.ITEM.getKey(item).getKey().toUpperCase(Locale.ROOT))); // Paper
}
for (Material material : Material.values()) {
@@ -91,11 +100,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
}
public static Material getMaterial(Block block) {
- return BLOCK_MATERIAL.get(block);
+ return BLOCK_MATERIAL.get(block.internalId); // Paper
}
public static Material getMaterial(Item item) {
- return ITEM_MATERIAL.getOrDefault(item, Material.AIR);
+ Material material = ITEM_MATERIAL.get(item.internalId);
+ return material != null ? material : Material.AIR; // Paper
}
public static Item getItem(Material material) {
--
2.21.0