| /* |
| * 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.drill.exec.physical.impl.join; |
| |
| import org.apache.drill.exec.vector.IntVector; |
| import org.apache.drill.test.BaseTest; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestBatchSizePredictorImpl extends BaseTest { |
| @Test |
| public void testComputeMaxBatchSizeHash() |
| { |
| long expected = BatchSizePredictorImpl.computeMaxBatchSizeNoHash( |
| 100, |
| 25, |
| 100, |
| 2.0, |
| 4.0) + |
| 100 * IntVector.VALUE_WIDTH * 2; |
| |
| final long actual = BatchSizePredictorImpl.computeMaxBatchSize( |
| 100, |
| 25, |
| 100, |
| 2.0, |
| 4.0, |
| true); |
| |
| Assert.assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testComputeMaxBatchSizeNoHash() { |
| final long expected = 1200; |
| final long actual = BatchSizePredictorImpl.computeMaxBatchSize( |
| 100, |
| 25, |
| 100, |
| 2.0, |
| 1.5, |
| false); |
| final long actualNoHash = BatchSizePredictorImpl.computeMaxBatchSizeNoHash( |
| 100, |
| 25, |
| 100, |
| 2.0, |
| 1.5); |
| |
| Assert.assertEquals(expected, actual); |
| Assert.assertEquals(expected, actualNoHash); |
| } |
| |
| @Test |
| public void testRoundUpPowerOf2() { |
| long expected = 32; |
| long actual = BatchSizePredictorImpl.roundUpToPowerOf2(expected); |
| |
| Assert.assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testRounUpNonPowerOf2ToPowerOf2() { |
| long expected = 32; |
| long actual = BatchSizePredictorImpl.roundUpToPowerOf2(31); |
| |
| Assert.assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testComputeValueVectorSizePowerOf2() { |
| long expected = 4; |
| long actual = |
| BatchSizePredictorImpl.computeValueVectorSize(2, 2); |
| |
| Assert.assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testComputeValueVectorSizeNonPowerOf2() { |
| long expected = 16; |
| long actual = |
| BatchSizePredictorImpl.computeValueVectorSize(3, 3); |
| |
| Assert.assertEquals(expected, actual); |
| } |
| } |