BenchmarkDeltaLengthByteArray.java

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 * distributed with this work for additional information
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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package parquet.column.values.deltalengthbytearray.benchmark;

import java.io.IOException;

import org.junit.Rule;
import org.junit.Test;

import parquet.column.values.Utils;
import parquet.column.values.deltalengthbytearray.DeltaLengthByteArrayValuesReader;
import parquet.column.values.deltalengthbytearray.DeltaLengthByteArrayValuesWriter;
import parquet.column.values.plain.BinaryPlainValuesReader;
import parquet.column.values.plain.PlainValuesWriter;
import parquet.io.api.Binary;

import com.carrotsearch.junitbenchmarks.BenchmarkOptions;
import com.carrotsearch.junitbenchmarks.BenchmarkRule;
import com.carrotsearch.junitbenchmarks.annotation.AxisRange;
import com.carrotsearch.junitbenchmarks.annotation.BenchmarkMethodChart;

@AxisRange(min = 0, max = 1)
@BenchmarkMethodChart(filePrefix = "benchmark-encoding-writing-random")
public class BenchmarkDeltaLengthByteArray {
  
  @Rule
  public org.junit.rules.TestRule benchmarkRun = new BenchmarkRule();
  
  String[] values = Utils.getRandomStringSamples(1000000, 32);
  
  @BenchmarkOptions(benchmarkRounds = 20, warmupRounds = 4)
  @Test
  public void benchmarkRandomStringsWithPlainValuesWriter() throws IOException {
    PlainValuesWriter writer = new PlainValuesWriter(64*1024);
    BinaryPlainValuesReader reader = new BinaryPlainValuesReader();
    
    Utils.writeData(writer, values);
    byte [] data = writer.getBytes().toByteArray();
    Binary[] bin = Utils.readData(reader, data, values.length);
    System.out.println("size " + data.length);
  }
  
  @BenchmarkOptions(benchmarkRounds = 20, warmupRounds = 4)
  @Test
  public void benchmarkRandomStringsWithDeltaLengthByteArrayValuesWriter() throws IOException {
    DeltaLengthByteArrayValuesWriter writer = new DeltaLengthByteArrayValuesWriter(64*1024);
    DeltaLengthByteArrayValuesReader reader = new DeltaLengthByteArrayValuesReader();
    
    Utils.writeData(writer, values);
    byte [] data = writer.getBytes().toByteArray();
    Binary[] bin = Utils.readData(reader, data, values.length);
    System.out.println("size " + data.length);
  }

}