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org.apache.pinot.perf.BenchmarkFixedByteSVForwardIndexReader Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.pinot.perf;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;
import org.apache.commons.io.FileUtils;
import org.apache.pinot.segment.local.io.writer.impl.FixedByteChunkForwardIndexWriter;
import org.apache.pinot.segment.local.segment.index.readers.forward.ChunkReaderContext;
import org.apache.pinot.segment.local.segment.index.readers.forward.FixedByteChunkSVForwardIndexReader;
import org.apache.pinot.segment.local.segment.index.readers.forward.FixedBytePower2ChunkSVForwardIndexReader;
import org.apache.pinot.segment.spi.compression.ChunkCompressionType;
import org.apache.pinot.segment.spi.index.reader.ForwardIndexReader;
import org.apache.pinot.segment.spi.memory.PinotDataBuffer;
import org.apache.pinot.spi.data.FieldSpec;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.infra.Blackhole;
@State(Scope.Benchmark)
public class BenchmarkFixedByteSVForwardIndexReader {
private static final File INDEX_DIR =
new File(FileUtils.getTempDirectory(), "BenchmarkFixedByteSVForwardIndexReader");
@Param("10000")
int _blockSize;
@Param("1000")
int _numBlocks;
private int[] _docIds;
private double[] _doubleBuffer;
private long[] _longBuffer;
private FixedByteChunkSVForwardIndexReader _compressedReader;
private FixedBytePower2ChunkSVForwardIndexReader _compressedPow2Reader;
private FixedByteChunkSVForwardIndexReader _uncompressedReader;
@Setup(Level.Trial)
public void setup()
throws IOException {
FileUtils.forceMkdir(INDEX_DIR);
File uncompressedIndexFile = new File(INDEX_DIR, UUID.randomUUID().toString());
File compressedIndexFile = new File(INDEX_DIR, UUID.randomUUID().toString());
File pow2CompressedIndexFile = new File(INDEX_DIR, UUID.randomUUID().toString());
_doubleBuffer = new double[_blockSize];
_longBuffer = new long[_blockSize];
try (FixedByteChunkForwardIndexWriter writer = new FixedByteChunkForwardIndexWriter(compressedIndexFile,
ChunkCompressionType.LZ4, _numBlocks * _blockSize, 1000, Long.BYTES, 3);
FixedByteChunkForwardIndexWriter passThroughWriter = new FixedByteChunkForwardIndexWriter(uncompressedIndexFile,
ChunkCompressionType.PASS_THROUGH, _numBlocks * _blockSize, 1000, Long.BYTES, 3);
FixedByteChunkForwardIndexWriter pow2Writer = new FixedByteChunkForwardIndexWriter(pow2CompressedIndexFile,
ChunkCompressionType.LZ4, _numBlocks * _blockSize, 1000, Long.BYTES, 4)) {
for (int i = 0; i < _numBlocks * _blockSize; i++) {
long next = ThreadLocalRandom.current().nextLong();
writer.putLong(next);
pow2Writer.putLong(next);
passThroughWriter.putLong(next);
}
}
_compressedReader = new FixedByteChunkSVForwardIndexReader(PinotDataBuffer.loadBigEndianFile(compressedIndexFile),
FieldSpec.DataType.LONG);
_compressedPow2Reader =
new FixedBytePower2ChunkSVForwardIndexReader(PinotDataBuffer.loadBigEndianFile(pow2CompressedIndexFile),
FieldSpec.DataType.LONG);
_uncompressedReader =
new FixedByteChunkSVForwardIndexReader(PinotDataBuffer.loadBigEndianFile(uncompressedIndexFile),
FieldSpec.DataType.LONG);
_docIds = new int[_blockSize];
}
@TearDown(Level.Trial)
public void teardown()
throws IOException {
FileUtils.deleteDirectory(INDEX_DIR);
}
@Benchmark
public void readCompressedDoublesNonContiguousV3(Blackhole bh)
throws IOException {
readCompressedDoublesNonContiguous(bh, _compressedReader);
}
@Benchmark
public void readCompressedDoublesNonContiguousV4(Blackhole bh)
throws IOException {
readCompressedDoublesNonContiguous(bh, _compressedPow2Reader);
}
@Benchmark
public void readCompressedLongsNonContiguousV3(Blackhole bh)
throws IOException {
readCompressedLongsNonContiguous(bh, _compressedReader);
}
@Benchmark
public void readCompressedLongsNonContiguousV4(Blackhole bh)
throws IOException {
readCompressedLongsNonContiguous(bh, _compressedPow2Reader);
}
private void readCompressedLongsNonContiguous(Blackhole bh, ForwardIndexReader reader)
throws IOException {
try (ChunkReaderContext context = reader.createContext()) {
for (int block = 0; block < _numBlocks / 2; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i * 2;
}
for (int i = 0; i < _docIds.length; i++) {
_longBuffer[i] = reader.getLong(_docIds[i], context);
}
bh.consume(_longBuffer);
}
}
}
private void readCompressedDoublesNonContiguous(Blackhole bh, ForwardIndexReader reader)
throws IOException {
try (ChunkReaderContext context = reader.createContext()) {
for (int block = 0; block < _numBlocks / 2; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i * 2;
}
for (int i = 0; i < _docIds.length; i++) {
_doubleBuffer[i] = reader.getDouble(_docIds[i], context);
}
bh.consume(_doubleBuffer);
}
}
}
@Benchmark
public void readDoublesBatch(Blackhole bh)
throws IOException {
try (ChunkReaderContext context = _uncompressedReader.createContext()) {
for (int block = 0; block < _numBlocks; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i;
}
_uncompressedReader.readValuesSV(_docIds, _docIds.length, _doubleBuffer, context);
bh.consume(_doubleBuffer);
}
}
}
@Benchmark
public void readDoubles(Blackhole bh)
throws IOException {
try (ChunkReaderContext context = _uncompressedReader.createContext()) {
for (int block = 0; block < _numBlocks; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i;
}
for (int i = 0; i < _docIds.length; i++) {
_doubleBuffer[i] = _uncompressedReader.getLong(_docIds[i], context);
}
bh.consume(_doubleBuffer);
}
}
}
@Benchmark
public void readLongsBatch(Blackhole bh)
throws IOException {
try (ChunkReaderContext context = _uncompressedReader.createContext()) {
for (int block = 0; block < _numBlocks; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i;
}
_uncompressedReader.readValuesSV(_docIds, _docIds.length, _longBuffer, context);
bh.consume(_longBuffer);
}
}
}
@Benchmark
public void readLongs(Blackhole bh)
throws IOException {
try (ChunkReaderContext context = _uncompressedReader.createContext()) {
for (int block = 0; block < _numBlocks; block++) {
for (int i = 0; i < _docIds.length; i++) {
_docIds[i] = block * _blockSize + i;
}
for (int i = 0; i < _docIds.length; i++) {
_longBuffer[i] = _uncompressedReader.getLong(_docIds[i], context);
}
bh.consume(_longBuffer);
}
}
}
}
