| /* |
| * 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.mnemonic.bench; |
| |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.Option; |
| import org.apache.commons.cli.CommandLineParser; |
| import org.apache.commons.cli.DefaultParser; |
| import org.apache.commons.cli.HelpFormatter; |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.ParseException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.slf4j.MDC; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.io.File; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.FileNotFoundException; |
| |
| /** |
| * Sort is the class of sort-bench. |
| * |
| */ |
| public class Sort { |
| /** |
| * Run workloads to bench performance. |
| * |
| * @param args |
| * array of commandline parameters |
| */ |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(Sort.class); |
| |
| public static void main(String[] args) throws Exception { |
| |
| Options options = new Options(); |
| |
| Option mode = new Option("m", "mode", true, "run mode [A|B]"); |
| mode.setRequired(true); |
| options.addOption(mode); |
| |
| Option input = new Option("i", "input", true, "input file path"); |
| input.setRequired(true); |
| options.addOption(input); |
| |
| Option output = new Option("o", "output", true, "output file"); |
| output.setRequired(true); |
| options.addOption(output); |
| |
| CommandLineParser parser = new DefaultParser(); |
| HelpFormatter formatter = new HelpFormatter(); |
| CommandLine cmd; |
| |
| String runMode, inputFilePath, outputFilePath; |
| |
| try { |
| cmd = parser.parse(options, args); |
| runMode = cmd.getOptionValue("mode"); |
| inputFilePath = cmd.getOptionValue("input"); |
| outputFilePath = cmd.getOptionValue("output"); |
| if (!runMode.equals("A") && !runMode.equals("B")) { |
| throw new ParseException("Run mode is not specified correctly, Please use A or B as run mode."); |
| } |
| } catch (ParseException e) { |
| System.out.println(e.getMessage()); |
| formatter.printHelp("Sort-bench", options); |
| System.exit(1); |
| return; |
| } |
| MDC.put("mode", String.format("Mode-%s", runMode)); |
| |
| LOGGER.info("Run Mode : {}", runMode); |
| LOGGER.info("Input file : {}", inputFilePath); |
| LOGGER.info("Output file : {}", outputFilePath); |
| |
| File inputFile = new File(inputFilePath); |
| File outputFile = new File(outputFilePath); |
| |
| BufferedReader reader = null; |
| BufferedWriter writer = null; |
| |
| TextFileSort tfsorter = null; |
| |
| long sttime; |
| |
| try { |
| reader = new BufferedReader(new FileReader(inputFile)); |
| writer = new BufferedWriter(new FileWriter(outputFile)); |
| if (runMode.equals("A")) { |
| /* regular way */ |
| tfsorter = new RegularTestFileSort(); |
| } else { |
| /* mnemonic way */ |
| tfsorter = new DNCSTextFileSort(); |
| } |
| |
| sttime = System.nanoTime(); |
| tfsorter.load(reader); |
| reportElapse("Load Time", sttime, System.nanoTime()); |
| sttime = System.nanoTime(); |
| tfsorter.doSort(); |
| reportElapse("Sort Time", sttime, System.nanoTime()); |
| sttime = System.nanoTime(); |
| tfsorter.store(writer); |
| reportElapse("Store Time", sttime, System.nanoTime()); |
| reportSortInfo(tfsorter.getSortInfo()); |
| tfsorter.clear(); |
| } catch (FileNotFoundException e) { |
| System.err.println(e.getMessage()); |
| throw e; |
| } catch (IOException e) { |
| System.err.println(e.getMessage()); |
| throw e; |
| } finally { |
| try { |
| if (null != reader) { |
| reader.close(); |
| } |
| if (null != writer) { |
| writer.close(); |
| } |
| } catch (IOException e) { |
| System.err.println(e.getMessage()); |
| throw e; |
| } |
| } |
| } |
| |
| static void reportElapse(String msg, long t1, long t2) { |
| LOGGER.info("{} : {} ms.", msg, |
| TimeUnit.NANOSECONDS.toMillis(t2 - t1)); |
| } |
| |
| static void reportSortInfo(long[] sortinfo) { |
| LOGGER.info("Scan Count : {} ", sortinfo[0]); |
| LOGGER.info("Swap Count : {} ", sortinfo[1]); |
| LOGGER.info("No Swap Count : {} ", sortinfo[2]); |
| } |
| } |