| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.storage.am.lsm.btree.perf; |
| |
| import java.util.Enumeration; |
| import java.util.logging.Level; |
| import java.util.logging.LogManager; |
| import java.util.logging.Logger; |
| |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils; |
| import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread; |
| |
| public class BTreePageSizePerf { |
| public static void main(String[] args) throws Exception { |
| // Disable logging so we can better see the output times. |
| Enumeration<String> loggers = LogManager.getLogManager().getLoggerNames(); |
| while(loggers.hasMoreElements()) { |
| String loggerName = loggers.nextElement(); |
| Logger logger = LogManager.getLogManager().getLogger(loggerName); |
| logger.setLevel(Level.OFF); |
| } |
| |
| int numTuples = 1000000; |
| int batchSize = 10000; |
| int numBatches = numTuples / batchSize; |
| |
| ISerializerDeserializer[] fieldSerdes = new ISerializerDeserializer[] { IntegerSerializerDeserializer.INSTANCE }; |
| ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes, 30); |
| |
| IBinaryComparatorFactory[] cmpFactories = SerdeUtils.serdesToComparatorFactories(fieldSerdes, fieldSerdes.length); |
| |
| runExperiment(numBatches, batchSize, 1024, 100000, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 2048, 100000, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 4096, 25000, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 8192, 12500, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 16384, 6250, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 32768, 3125, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 65536, 1564, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 131072, 782, fieldSerdes, cmpFactories, typeTraits); |
| runExperiment(numBatches, batchSize, 262144, 391, fieldSerdes, cmpFactories, typeTraits); |
| } |
| |
| private static void runExperiment(int numBatches, int batchSize, int pageSize, int numPages, ISerializerDeserializer[] fieldSerdes, IBinaryComparatorFactory[] cmpFactories, ITypeTraits[] typeTraits) throws Exception { |
| System.out.println("PAGE SIZE: " + pageSize); |
| System.out.println("NUM PAGES: " + numPages); |
| System.out.println("MEMORY: " + (pageSize * numPages)); |
| int repeats = 5; |
| long[] times = new long[repeats]; |
| //BTreeRunner runner = new BTreeRunner(numTuples, pageSize, numPages, typeTraits, cmp); |
| InMemoryBTreeRunner runner = new InMemoryBTreeRunner(numBatches, pageSize, numPages, typeTraits, cmpFactories); |
| runner.init(); |
| int numThreads = 1; |
| for (int i = 0; i < repeats; i++) { |
| DataGenThread dataGen = new DataGenThread(numThreads, numBatches, batchSize, fieldSerdes, 30, 50, 10, false); |
| dataGen.start(); |
| times[i] = runner.runExperiment(dataGen, numThreads); |
| System.out.println("TIME " + i + ": " + times[i] + "ms"); |
| } |
| runner.deinit(); |
| long avgTime = 0; |
| for (int i = 0; i < repeats; i++) { |
| avgTime += times[i]; |
| } |
| avgTime /= repeats; |
| System.out.println("AVG TIME: " + avgTime + "ms"); |
| System.out.println("-------------------------------"); |
| } |
| } |