| /** |
| * 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.tajo.engine.planner.physical; |
| |
| import com.google.common.collect.Iterators; |
| import com.google.common.primitives.Ints; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.tajo.catalog.Column; |
| import org.apache.tajo.catalog.Schema; |
| import org.apache.tajo.catalog.SchemaFactory; |
| import org.apache.tajo.catalog.SortSpec; |
| import org.apache.tajo.common.TajoDataTypes.Type; |
| import org.apache.tajo.datum.Datum; |
| import org.apache.tajo.datum.DatumFactory; |
| import org.apache.tajo.storage.BaseTupleComparator; |
| import org.apache.tajo.storage.Tuple; |
| import org.apache.tajo.storage.VTuple; |
| import org.junit.Test; |
| |
| import java.util.*; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| |
| public class TestTupleSorter { |
| |
| private static final Log LOG = LogFactory.getLog(TestTupleSorter.class); |
| |
| private static final Random rnd = new Random(-1); |
| |
| @Test |
| public final void testSortBench() { |
| final int MAX_SORT_KEY = 3; |
| final int ITERATION = 10; |
| final int LENGTH = 5000; |
| final int SAMPLING = 10; |
| |
| Tuple[] tuples = new Tuple[LENGTH]; |
| for (int i = 0; i < LENGTH; i++) { |
| Datum[] datums = new Datum[]{ |
| DatumFactory.createInt4(rnd.nextInt(Short.MAX_VALUE)), |
| DatumFactory.createInt4(rnd.nextInt()), |
| DatumFactory.createText("dept_" + rnd.nextInt()), |
| DatumFactory.createBool(rnd.nextBoolean()), |
| DatumFactory.createInt8(rnd.nextLong()), |
| DatumFactory.createInterval(rnd.nextInt(), rnd.nextLong())}; |
| tuples[i] = new VTuple(datums); |
| } |
| |
| Column col0 = new Column("col0", Type.INT2); |
| Column col1 = new Column("col1", Type.INT4); |
| Column col2 = new Column("col2", Type.TEXT); |
| Column col3 = new Column("col3", Type.BOOLEAN); |
| Column col4 = new Column("col4", Type.INT8); |
| Column col5 = new Column("col5", Type.INTERVAL); |
| |
| Schema schema = SchemaFactory.newV1(new Column[] {col0, col1, col2, col3, col4, col5}); |
| |
| long[] time1 = new long[ITERATION]; |
| long[] time2 = new long[ITERATION]; |
| for(int iteration = 0; iteration < ITERATION; iteration++) { |
| TupleList target = new TupleList(tuples.length); |
| target.addAll(Arrays.asList(Arrays.copyOf(tuples, tuples.length))); |
| Set<Integer> keys = new TreeSet<>(); |
| for (int i = 0; i < MAX_SORT_KEY; i++) { |
| keys.add(rnd.nextInt(schema.size())); |
| } |
| int[] keyIndices = Ints.toArray(keys); |
| SortSpec[] sortKeys = new SortSpec[keyIndices.length]; |
| for (int i = 0; i < keyIndices.length; i++) { |
| sortKeys[i] = new SortSpec(schema.getColumn(keyIndices[i]), rnd.nextBoolean(), rnd.nextBoolean()); |
| } |
| |
| long start = System.currentTimeMillis(); |
| VectorizedSorter sorter = new VectorizedSorter(target, sortKeys, keyIndices); |
| Iterator<Tuple> iterator = sorter.sort().iterator(); |
| |
| String[] result1 = new String[SAMPLING]; |
| for (int i = 0; i < result1.length; i++) { |
| Tuple tuple = Iterators.get(iterator, LENGTH / result1.length - 1); |
| StringBuilder builder = new StringBuilder(); |
| for (int keyIndex : keyIndices) { |
| builder.append(tuple.getText(keyIndex)); |
| } |
| result1[i] = builder.toString(); |
| } |
| time1[iteration] = System.currentTimeMillis() - start; |
| |
| BaseTupleComparator comparator = new BaseTupleComparator(schema, sortKeys); |
| |
| start = System.currentTimeMillis(); |
| Collections.sort(target, comparator); |
| iterator = target.iterator(); |
| |
| String[] result2 = new String[SAMPLING]; |
| for (int i = 0; i < result2.length; i++) { |
| Tuple tuple = Iterators.get(iterator, LENGTH / result2.length - 1); |
| StringBuilder builder = new StringBuilder(); |
| for (int keyIndex : keyIndices) { |
| builder.append(tuple.getText(keyIndex)); |
| } |
| result2[i] = builder.toString(); |
| } |
| time2[iteration] = System.currentTimeMillis() - start; |
| |
| LOG.info("Sort on keys " + Arrays.toString(keyIndices) + |
| ": Vectorized " + time1[iteration]+ " msec, Original " + time2[iteration] + " msec"); |
| |
| assertArrayEquals(result1, result2); |
| } |
| } |
| } |