edu.iu.daal_als.ALSDaalLauncher.java Source code

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Here is the source code for edu.iu.daal_als.ALSDaalLauncher.java

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/*
 * Copyright 2013-2016 Indiana University
 * 
 * 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 edu.iu.daal_als;

import edu.iu.data_aux.HarpDAALConstants;
import edu.iu.data_aux.Initialize;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;

import java.text.SimpleDateFormat;
import java.util.Calendar;

public class ALSDaalLauncher extends Configured implements Tool {

    public static void main(String[] argv) throws Exception {
        int res = ToolRunner.run(new Configuration(), new ALSDaalLauncher(), argv);
        System.exit(res);
    }

    /**
     * Launches ALS workers.
     */
    @Override
    public int run(String[] args) throws Exception {

        /* Put shared libraries into the distributed cache */
        Configuration conf = this.getConf();

        Initialize init = new Initialize(conf, args);

        /* Put shared libraries into the distributed cache */
        init.loadDistributedLibs();

        // load args
        init.loadSysArgs();

        conf.setInt(HarpDAALConstants.NUM_FACTOR, Integer.parseInt(args[init.getSysArgNum()]));
        conf.setDouble(Constants.ALPHA, Double.parseDouble(args[init.getSysArgNum() + 1]));
        conf.setDouble(Constants.LAMBDA, Double.parseDouble(args[init.getSysArgNum() + 2]));
        conf.set(HarpDAALConstants.TEST_FILE_PATH, args[init.getSysArgNum() + 3]);

        // launch job
        System.out.println("Starting Job");
        long perJobSubmitTime = System.currentTimeMillis();
        System.out.println(
                "Start Job#" + " " + new SimpleDateFormat("HH:mm:ss.SSS").format(Calendar.getInstance().getTime()));

        Job alsJob = init.createJob("alsJob", ALSDaalLauncher.class, ALSDaalCollectiveMapper.class);

        // finish job
        boolean jobSuccess = alsJob.waitForCompletion(true);
        System.out.println(
                "End Job#" + " " + new SimpleDateFormat("HH:mm:ss.SSS").format(Calendar.getInstance().getTime()));
        System.out.println(
                "| Job#" + " Finished in " + (System.currentTimeMillis() - perJobSubmitTime) + " miliseconds |");
        if (!jobSuccess) {
            alsJob.killJob();
            System.out.println("alsJob failed");
        }

        return 0;
    }

}