Danil Kornishev b4d3e23c3e JMH (#2222)
* JMH

* JMH
2017-07-15 23:53:57 +02:00

49 lines
1.1 KiB
Java

package com.baeldung;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hasher;
import com.google.common.hash.Hashing;
import org.openjdk.jmh.annotations.*;
import java.nio.charset.Charset;
public class BenchMark {
@State(Scope.Benchmark)
public static class ExecutionPlan {
@Param({ "100", "200", "300", "500", "1000" })
public int iterations;
public Hasher murmur3;
public String password = "4v3rys3kur3p455w0rd";
@Setup(Level.Invocation)
public void setUp() {
murmur3 = Hashing.murmur3_128().newHasher();
}
}
@Fork(value = 1, warmups = 1)
@Benchmark
@BenchmarkMode(Mode.Throughput)
@Warmup(iterations = 5)
public void benchMurmur3_128(ExecutionPlan plan) {
for (int i = plan.iterations; i > 0; i--) {
plan.murmur3.putString(plan.password, Charset.defaultCharset());
}
plan.murmur3.hash();
}
@Benchmark
@Fork(value = 1, warmups = 1)
@BenchmarkMode(Mode.Throughput)
public void init() {
// Do nothing
}
}