PaperMC/paper-server/patches/sources/net/minecraft/util/SimpleBitStorage.java.patch
Nassim Jahnke c3d5f253fe
Moar
2024-12-13 20:30:07 +01:00

63 lines
2.9 KiB
Diff

--- a/net/minecraft/util/SimpleBitStorage.java
+++ b/net/minecraft/util/SimpleBitStorage.java
@@ -204,8 +_,8 @@
private final long mask;
private final int size;
private final int valuesPerLong;
- private final int divideMul;
- private final int divideAdd;
+ private final int divideMul; private final long divideMulUnsigned; // Paper - Perf: Optimize SimpleBitStorage; referenced in b(int) with 2 Integer.toUnsignedLong calls
+ private final int divideAdd; private final long divideAddUnsigned; // Paper - Perf: Optimize SimpleBitStorage
private final int divideShift;
public SimpleBitStorage(int bits, int size, int[] data) {
@@ -248,8 +_,8 @@
this.mask = (1L << bits) - 1L;
this.valuesPerLong = (char)(64 / bits);
int i = 3 * (this.valuesPerLong - 1);
- this.divideMul = MAGIC[i + 0];
- this.divideAdd = MAGIC[i + 1];
+ this.divideMul = MAGIC[i + 0]; this.divideMulUnsigned = Integer.toUnsignedLong(this.divideMul); // Paper - Perf: Optimize SimpleBitStorage
+ this.divideAdd = MAGIC[i + 1]; this.divideAddUnsigned = Integer.toUnsignedLong(this.divideAdd); // Paper - Perf: Optimize SimpleBitStorage
this.divideShift = MAGIC[i + 2];
int i1 = (size + this.valuesPerLong - 1) / this.valuesPerLong;
if (data != null) {
@@ -264,15 +_,11 @@
}
private int cellIndex(int index) {
- long l = Integer.toUnsignedLong(this.divideMul);
- long l1 = Integer.toUnsignedLong(this.divideAdd);
- return (int)(index * l + l1 >> 32 >> this.divideShift);
+ return (int)(index * this.divideMulUnsigned + this.divideAddUnsigned >> 32 >> this.divideShift); // Paper - Perf: Optimize SimpleBitStorage
}
@Override
- public int getAndSet(int index, int value) {
- Validate.inclusiveBetween(0L, (long)(this.size - 1), (long)index);
- Validate.inclusiveBetween(0L, this.mask, (long)value);
+ public final int getAndSet(int index, int value) { // Paper - Perf: Optimize SimpleBitStorage
int i = this.cellIndex(index);
long l = this.data[i];
int i1 = (index - i * this.valuesPerLong) * this.bits;
@@ -282,9 +_,7 @@
}
@Override
- public void set(int index, int value) {
- Validate.inclusiveBetween(0L, (long)(this.size - 1), (long)index);
- Validate.inclusiveBetween(0L, this.mask, (long)value);
+ public final void set(int index, int value) { // Paper - Perf: Optimize SimpleBitStorage
int i = this.cellIndex(index);
long l = this.data[i];
int i1 = (index - i * this.valuesPerLong) * this.bits;
@@ -292,8 +_,7 @@
}
@Override
- public int get(int index) {
- Validate.inclusiveBetween(0L, (long)(this.size - 1), (long)index);
+ public final int get(int index) { // Paper - Perf: Optimize SimpleBitStorage
int i = this.cellIndex(index);
long l = this.data[i];
int i1 = (index - i * this.valuesPerLong) * this.bits;