BenchmarkArraySetFunctions.java
/*
* Licensed 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 com.facebook.presto.operator.scalar;
import com.facebook.presto.common.Page;
import com.facebook.presto.common.block.Block;
import com.facebook.presto.common.block.BlockBuilder;
import com.facebook.presto.common.type.ArrayType;
import com.facebook.presto.common.type.Type;
import com.facebook.presto.metadata.FunctionAndTypeManager;
import com.facebook.presto.metadata.MetadataManager;
import com.facebook.presto.operator.DriverYieldSignal;
import com.facebook.presto.operator.project.PageProcessor;
import com.facebook.presto.spi.function.FunctionHandle;
import com.facebook.presto.spi.relation.CallExpression;
import com.facebook.presto.spi.relation.RowExpression;
import com.facebook.presto.sql.gen.ExpressionCompiler;
import com.facebook.presto.sql.gen.PageFunctionCompiler;
import com.google.common.collect.ImmutableList;
import io.airlift.slice.Slices;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OperationsPerInvocation;
import org.openjdk.jmh.annotations.OutputTimeUnit;
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.Warmup;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import org.openjdk.jmh.runner.options.VerboseMode;
import org.testng.annotations.Test;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import static com.facebook.presto.common.type.BigintType.BIGINT;
import static com.facebook.presto.common.type.BooleanType.BOOLEAN;
import static com.facebook.presto.common.type.DoubleType.DOUBLE;
import static com.facebook.presto.common.type.VarcharType.VARCHAR;
import static com.facebook.presto.memory.context.AggregatedMemoryContext.newSimpleAggregatedMemoryContext;
import static com.facebook.presto.metadata.MetadataManager.createTestMetadataManager;
import static com.facebook.presto.sql.analyzer.TypeSignatureProvider.fromTypes;
import static com.facebook.presto.sql.relational.Expressions.field;
import static com.facebook.presto.testing.TestingConnectorSession.SESSION;
@SuppressWarnings("MethodMayBeStatic")
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Fork(2)
@Warmup(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@BenchmarkMode(Mode.AverageTime)
public class BenchmarkArraySetFunctions
{
private static final int POSITIONS = 1_000;
@Benchmark
@OperationsPerInvocation(POSITIONS)
public List<Optional<Page>> arrayFunction(BenchmarkData data)
{
return ImmutableList.copyOf(data.getPageProcessor().process(
SESSION.getSqlFunctionProperties(),
new DriverYieldSignal(),
newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()),
data.getPage()));
}
@SuppressWarnings("FieldMayBeFinal")
@State(Scope.Thread)
public static class BenchmarkData
{
@Param({"array_except", "array_intersect", "array_union"})
private String name = "array_union";
@Param({"BIGINT", "VARCHAR", "DOUBLE", "BOOLEAN"})
private String type = "BIGINT";
@Param({"10", "100", "1000"})
private int arraySize = 1000;
private Page page;
private PageProcessor pageProcessor;
@Setup
public void setup()
{
Type elementType;
switch (type) {
case "BIGINT":
elementType = BIGINT;
break;
case "VARCHAR":
elementType = VARCHAR;
break;
case "DOUBLE":
elementType = DOUBLE;
break;
case "BOOLEAN":
elementType = BOOLEAN;
break;
default:
throw new UnsupportedOperationException();
}
ArrayType arrayType = new ArrayType(elementType);
MetadataManager metadata = createTestMetadataManager();
FunctionAndTypeManager functionAndTypeManager = metadata.getFunctionAndTypeManager();
FunctionHandle functionHandle = functionAndTypeManager.lookupFunction(name, fromTypes(arrayType, arrayType));
ImmutableList<RowExpression> projections = ImmutableList.of(
new CallExpression(name, functionHandle, arrayType, ImmutableList.of(field(0, arrayType), field(1, arrayType))));
ExpressionCompiler compiler = new ExpressionCompiler(metadata, new PageFunctionCompiler(metadata, 0));
pageProcessor = compiler.compilePageProcessor(SESSION.getSqlFunctionProperties(), Optional.empty(), projections).get();
page = new Page(createChannel(POSITIONS, arraySize, elementType), createChannel(POSITIONS, arraySize, elementType));
}
private static Block createChannel(int positionCount, int arraySize, Type elementType)
{
ArrayType arrayType = new ArrayType(elementType);
BlockBuilder blockBuilder = arrayType.createBlockBuilder(null, positionCount);
for (int position = 0; position < positionCount; position++) {
BlockBuilder entryBuilder = blockBuilder.beginBlockEntry();
for (int i = 0; i < arraySize; i++) {
if (elementType.getJavaType() == long.class) {
elementType.writeLong(entryBuilder, ThreadLocalRandom.current().nextLong() % arraySize);
}
else if (elementType.getJavaType() == double.class) {
elementType.writeDouble(entryBuilder, ThreadLocalRandom.current().nextDouble() % arraySize);
}
else if (elementType.getJavaType() == boolean.class) {
elementType.writeBoolean(entryBuilder, ThreadLocalRandom.current().nextBoolean());
}
else if (elementType.equals(VARCHAR)) {
// make sure the size of a varchar is rather small; otherwise the aggregated slice may overflow
elementType.writeSlice(entryBuilder, Slices.utf8Slice(Long.toString(ThreadLocalRandom.current().nextLong() % arraySize)));
}
else {
throw new UnsupportedOperationException();
}
}
blockBuilder.closeEntry();
}
return blockBuilder.build();
}
public PageProcessor getPageProcessor()
{
return pageProcessor;
}
public Page getPage()
{
return page;
}
}
@Test
public void verify()
{
BenchmarkData data = new BenchmarkData();
data.setup();
new BenchmarkArraySetFunctions().arrayFunction(data);
}
public static void main(String[] args)
throws Throwable
{
// assure the benchmarks are valid before running
BenchmarkData data = new BenchmarkData();
data.setup();
new BenchmarkArraySetFunctions().arrayFunction(data);
Options options = new OptionsBuilder()
.verbosity(VerboseMode.NORMAL)
.include(".*" + BenchmarkArraySetFunctions.class.getSimpleName() + ".*")
.build();
new Runner(options).run();
}
}