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Benchmark parsing

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Nathan Adams 2018-01-16 17:10:42 +01:00
parent 6a5289fa33
commit 8ed8f02bee
1 changed files with 118 additions and 0 deletions
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src/test/java/com/mojang/brigadier/benchmarks/ParsingBenchmarks.java Normal file
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package com.mojang.brigadier.benchmarks;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.tree.LiteralCommandNode;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import java.util.concurrent.TimeUnit;
import static com.mojang.brigadier.builder.LiteralArgumentBuilder.literal;
@State(Scope.Benchmark)
public class ParsingBenchmarks {
private CommandDispatcher<Object> subject;
@Setup
public void setup() {
subject = new CommandDispatcher<>();
subject.register(
literal("a")
.then(
literal("1")
.then(literal("i").executes(c -> 0))
.then(literal("ii").executes(c -> 0))
)
.then(
literal("2")
.then(literal("i").executes(c -> 0))
.then(literal("ii").executes(c -> 0))
)
);
subject.register(literal("b").then(literal("1").executes(c -> 0)));
subject.register(literal("c").executes(c -> 0));
subject.register(literal("d").requires(s -> false).executes(c -> 0));
subject.register(
literal("e")
.executes(c -> 0)
.then(
literal("1")
.executes(c -> 0)
.then(literal("i").executes(c -> 0))
.then(literal("ii").executes(c -> 0))
)
);
subject.register(
literal("f")
.then(
literal("1")
.then(literal("i").executes(c -> 0))
.then(literal("ii").executes(c -> 0).requires(s -> false))
)
.then(
literal("2")
.then(literal("i").executes(c -> 0).requires(s -> false))
.then(literal("ii").executes(c -> 0))
)
);
subject.register(
literal("g")
.executes(c -> 0)
.then(literal("1").then(literal("i").executes(c -> 0)))
);
final LiteralCommandNode<Object> h = subject.register(
literal("h")
.executes(c -> 0)
.then(literal("1").then(literal("i").executes(c -> 0)))
.then(literal("2").then(literal("i").then(literal("ii").executes(c -> 0))))
.then(literal("3").executes(c -> 0))
);
subject.register(
literal("i")
.executes(c -> 0)
.then(literal("1").executes(c -> 0))
.then(literal("2").executes(c -> 0))
);
subject.register(
literal("j")
.redirect(subject.getRoot())
);
subject.register(
literal("k")
.redirect(h)
);
}
@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void parse_a1i() {
subject.parse("a 1 i", new Object());
}
@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void parse_c() {
subject.parse("c", new Object());
}
@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void parse_k1i() {
subject.parse("k 1 i", new Object());
}
@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void parse_() {
subject.parse("c", new Object());
}
}