/*
* 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.orc.stream;
import io.airlift.slice.BasicSliceInput;
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 java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import static com.facebook.presto.orc.stream.TestingBitPackingUtils.unpackGeneric;
@SuppressWarnings("MethodMayBeStatic")
@State(Scope.Thread)
@Fork(2)
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public class BenchmarkLongBitPacker
{
@Benchmark
public Object baselineLength1(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 1, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(2)
public Object baselineLength2(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 2, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(3)
public Object baselineLength3(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 3, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(4)
public Object baselineLength4(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 4, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(5)
public Object baselineLength5(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 5, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(6)
public Object baselineLength6(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 6, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(7)
public Object baselineLength7(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 7, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(256)
public Object baselineLength256(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
unpackGeneric(data.buffer, 0, 256, data.bits, data.input);
return data.buffer;
}
@Benchmark
public Object optimizedLength1(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 1, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(2)
public Object optimizedLength2(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 2, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(3)
public Object optimizedLength3(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 3, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(4)
public Object optimizedLength4(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 4, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(5)
public Object optimizedLength5(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 5, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(6)
public Object optimizedLength6(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 6, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(7)
public Object optimizedLength7(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 7, data.bits, data.input);
return data.buffer;
}
@Benchmark
@OperationsPerInvocation(256)
public Object optimizedLength256(BenchmarkData data)
throws Throwable
{
data.input.setPosition(0);
data.packer.unpack(data.buffer, 0, 256, data.bits, data.input);
return data.buffer;
}
@SuppressWarnings("FieldMayBeFinal")
@State(Scope.Thread)
public static class BenchmarkData
{
private final long[] buffer = new long[256];
private final LongBitPacker packer = new LongBitPacker();
@Param({"1", "2", "4", "8", "16", "24", "32", "40", "48", "56", "64"})
private int bits;
private BasicSliceInput input;
@Setup
public void setup()
{
byte[] bytes = new byte[256 * 64];
ThreadLocalRandom.current().nextBytes(bytes);
input = Slices.wrappedBuffer(bytes).getInput();
}
}
public static void main(String[] args)
throws Throwable
{
// assure the benchmarks are valid before running
BenchmarkData data = new BenchmarkData();
data.setup();
new BenchmarkLongBitPacker().baselineLength256(data);
Options options = new OptionsBuilder()
.verbosity(VerboseMode.NORMAL)
.include(".*" + BenchmarkLongBitPacker.class.getSimpleName() + ".*")
.build();
new Runner(options).run();
}
}