Add BenchmarkRowBlockBuilder

core/trino-main/src/test/java/io/trino/block/BenchmarkRowBlockBuilder.java

@@ -0,0 +1,118 @@
+/*
+ * 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 io.trino.block;
+
+import io.trino.spi.block.RowBlockBuilder;
+import io.trino.spi.block.SingleRowBlockWriter;
+import io.trino.spi.type.RowType;
+import io.trino.spi.type.Type;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Measurement;
+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.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.profile.GCProfiler;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+import static io.trino.jmh.Benchmarks.benchmark;
+import static io.trino.spi.type.BigintType.BIGINT;
+import static java.util.concurrent.TimeUnit.MICROSECONDS;
+
+@SuppressWarnings("MethodMayBeStatic")
+@State(Scope.Thread)
+@OutputTimeUnit(MICROSECONDS)
+@Fork(1)
+@Warmup(iterations = 3)
+@Measurement(iterations = 5)
+@BenchmarkMode(Mode.AverageTime)
+public class BenchmarkRowBlockBuilder
+{
+    @Benchmark
+    public void benchmarkBeginBlockEntry(BenchmarkData data, Blackhole blackhole)
+    {
+        for (int i = 0; i < data.rows; i++) {
+            SingleRowBlockWriter singleRowBlockWriter = data.getBlockBuilder().beginBlockEntry();
+            for (int fieldIndex = 0; fieldIndex < data.getTypes().size(); fieldIndex++) {
+                singleRowBlockWriter.writeLong(data.getRandom().nextLong()).closeEntry();
+            }
+            blackhole.consume(singleRowBlockWriter);
+            data.getBlockBuilder().closeEntry();
+        }
+        blackhole.consume(data.getBlockBuilder());
+    }
+
+    @State(Scope.Thread)
+    public static class BenchmarkData
+    {
+        private RowBlockBuilder blockBuilder;
+        private List<Type> types;
+        @Param({"10", "100", "1000"})
+        private int rows = 10;
+
+        @Param({"2", "4", "8"})
+        private int typesLength = 2;
+
+        private Random random;
+
+        @Setup(Level.Iteration)
+        public void setup()
+        {
+            types = Collections.nCopies(typesLength, BIGINT);
+            RowType rowType = RowType.anonymous(types);
+            blockBuilder = (RowBlockBuilder) rowType.createBlockBuilder(null, rows);
+            random = new Random(1024L);
+        }
+
+        public int getRows()
+        {
+            return rows;
+        }
+
+        public Random getRandom()
+        {
+            return random;
+        }
+
+        public List<Type> getTypes()
+        {
+            return types;
+        }
+
+        public RowBlockBuilder getBlockBuilder()
+        {
+            return blockBuilder;
+        }
+    }
+
+    public static void main(String[] args)
+            throws Exception
+    {
+        benchmark(BenchmarkRowBlockBuilder.class)
+                .withOptions(
+                        options -> options
+                                .addProfiler(GCProfiler.class))
+                .run();
+    }
+}