benchmarks/src/main/java/io/druid/benchmark/ConciseComplementBenchmark.java

/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  Metamarkets licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.benchmark;


import it.uniroma3.mat.extendedset.intset.ImmutableConciseSet;
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.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.infra.Blackhole;

import java.util.concurrent.TimeUnit;

@State(Scope.Benchmark)
public class ConciseComplementBenchmark
{

  // Number of rows to read, the test will read random rows
  @Param({"1000", "10000", "100000", "1000000", "1000000"})
  int emptyRows;

  @Benchmark
  @BenchmarkMode(Mode.AverageTime)
  @OutputTimeUnit(TimeUnit.MICROSECONDS)
  public void uncompressed(Blackhole blackhole)
  {
    final ImmutableConciseSet set = ImmutableConciseSet.complement(null, emptyRows);
    blackhole.consume(set);
    assert (emptyRows == set.size());
  }
}