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3f4b9fd365
get was calling toString() on every NBT object that was ever asked for an optional key from the object to build a string for the error text. When done on large NBT objects, this was using a ton of computation time building the JSON representation of the NBT object. Now we will just skip the value when 99.9999% of the time the text is never even printed.
19 lines
970 B
Diff
19 lines
970 B
Diff
--- a/com/mojang/serialization/Dynamic.java
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+++ b/com/mojang/serialization/Dynamic.java
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@@ -19,6 +19,7 @@
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@SuppressWarnings("unused")
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public class Dynamic<T> extends DynamicLike<T> {
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+ private static final boolean DEBUG_MISSING_KEYS = Boolean.getBoolean("Paper.debugDynamicMissingKeys"); // Paper - Perf: Skip toString on values like NBT
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private final T value;
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public Dynamic(final DynamicOps<T> ops) {
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@@ -120,7 +121,7 @@
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return new OptionalDynamic<>(ops, ops.getMap(value).flatMap(m -> {
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final T value = m.get(key);
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if (value == null) {
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- return DataResult.error(() -> "key missing: " + key + " in " + this.value);
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+ return DataResult.error(() -> DEBUG_MISSING_KEYS ? "key missing: " + key + " in " + this.value : "key missing: " + key); // Paper - Perf: Skip toString on values like NBT
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}
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return DataResult.success(new Dynamic<>(ops, value));
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}));
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