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31699ae9a8
* Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: a6a9d2a4 Remove some old ApiStatus.Experimental annotations be72314c SPIGOT-7300, PR-829: Add new DamageSource API providing enhanced information about entity damage b252cf05 SPIGOT-7576, PR-970: Add methods in MushroomCow to change stew effects b1c689bd PR-902: Add Server#isLoggingIPs to get log-ips configuration 08f86d1c PR-971: Add Player methods for client-side potion effects 2e3024a9 PR-963: Add API for in-world structures a23292a7 SPIGOT-7530, PR-948: Improve Resource Pack API with new 1.20.3 functionality 1851857b SPIGOT-3071, PR-969: Add entity spawn method with spawn reason cde4c52a SPIGOT-5553, PR-964: Add EntityKnockbackEvent CraftBukkit Changes: 38fd4bd50 Fix accidentally renamed internal damage method 80f0ce4be SPIGOT-7300, PR-1180: Add new DamageSource API providing enhanced information about entity damage 7e43f3b16 SPIGOT-7581: Fix typo in BlockMushroom ea14b7d90 SPIGOT-7576, PR-1347: Add methods in MushroomCow to change stew effects 4c687f243 PR-1259: Add Server#isLoggingIPs to get log-ips configuration 22a541a29 Improve support for per-world game rules cb7dccce2 PR-1348: Add Player methods for client-side potion effects b8d6109f0 PR-1335: Add API for in-world structures 4398a1b5b SPIGOT-7577: Make CraftWindCharge#explode discard the entity e74107678 Fix Crafter maximum stack size 0bb0f4f6a SPIGOT-7530, PR-1314: Improve Resource Pack API with new 1.20.3 functionality 4949f556d SPIGOT-3071, PR-1345: Add entity spawn method with spawn reason 20ac73ca2 PR-1353: Fix Structure#place not working as documented with 0 palette 3c1b77871 SPIGOT-6911, PR-1349: Change max book length in CraftMetaBook 333701839 SPIGOT-7572: Bee nests generated without bees f48f4174c SPIGOT-5553, PR-1336: Add EntityKnockbackEvent
51 lines
2.6 KiB
Diff
51 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 6 Apr 2020 17:39:25 -0700
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Subject: [PATCH] Reduce memory footprint of CompoundTag
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Fastutil maps are going to have a lower memory footprint - which
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is important because we clone chunk data after reading it for safety.
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So, reduce the impact of the clone on GC.
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diff --git a/src/main/java/net/minecraft/nbt/CompoundTag.java b/src/main/java/net/minecraft/nbt/CompoundTag.java
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index c77a6bb6885ffaaa4d9e1aa9d4770d5e847a590b..2c760084cd1b84a1f2c4f6a6db8d396a1b3c5395 100644
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--- a/src/main/java/net/minecraft/nbt/CompoundTag.java
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+++ b/src/main/java/net/minecraft/nbt/CompoundTag.java
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@@ -50,7 +50,7 @@ public class CompoundTag implements Tag {
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private static CompoundTag loadCompound(DataInput input, NbtAccounter tracker) throws IOException {
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tracker.accountBytes(48L);
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- Map<String, Tag> map = Maps.newHashMap();
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+ it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<String, Tag> map = new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(8, 0.8f); // Paper - Reduce memory footprint of CompoundTag
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byte b;
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while((b = input.readByte()) != 0) {
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@@ -171,7 +171,7 @@ public class CompoundTag implements Tag {
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}
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public CompoundTag() {
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- this(Maps.newHashMap());
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+ this(new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(8, 0.8f)); // Paper - Reduce memory footprint of CompoundTag
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}
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@Override
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@@ -490,8 +490,16 @@ public class CompoundTag implements Tag {
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@Override
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public CompoundTag copy() {
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- Map<String, Tag> map = Maps.newHashMap(Maps.transformValues(this.tags, Tag::copy));
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- return new CompoundTag(map);
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+ // Paper start - Reduce memory footprint of CompoundTag
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+ it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<String, Tag> ret = new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(this.tags.size(), 0.8f);
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+ java.util.Iterator<java.util.Map.Entry<String, Tag>> iterator = (this.tags instanceof it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap) ? ((it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap)this.tags).object2ObjectEntrySet().fastIterator() : this.tags.entrySet().iterator();
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+ while (iterator.hasNext()) {
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+ Map.Entry<String, Tag> entry = iterator.next();
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+ ret.put(entry.getKey(), entry.getValue().copy());
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+ }
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+
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+ return new CompoundTag(ret);
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+ // Paper end - Reduce memory footprint of CompoundTag
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}
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@Override
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