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package com.orbekk.stats;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.logging.Logger;
import com.google.protobuf.RpcCallback;
import com.google.protobuf.RpcController;
import com.orbekk.stats.Experiments.Empty;
import com.orbekk.stats.Experiments.Experiment1;
import com.orbekk.stats.Experiments.SimpleTiming;
public class Experiment1Impl extends Experiment1 {
private final static Logger logger = Logger.getLogger(Experiment1Impl.class.getName());
// private List<SimpleTiming> samples = new ArrayList<SimpleTiming>();
private HashMap<Integer, List<Double>> samples =
new HashMap<Integer, List<Double>>();
@Override
public synchronized void registerSample(RpcController controller, SimpleTiming request,
RpcCallback<Empty> done) {
logger.info(request.toString());
if (samples.get(request.getNumDevices()) == null) {
samples.put(request.getNumDevices(), new ArrayList<Double>());
}
samples.get(request.getNumDevices()).add(request.getTiming());
done.run(Empty.getDefaultInstance());
}
public void writeSamples(String filename) {
PrintWriter printer = null;
try {
printer = new PrintWriter(filename);
System.out.println("Writing results to " + filename);
printer.println("# Automatically generated by Experiment1Impl.java");
printer.println("# <numDevices> <avg latency> <avg-stddev> <avg+stddev>");
for (int numDevices : samples.keySet()) {
Analysis data = new Analysis(samples.get(numDevices));
double avg = data.getAverage();
double stddev = data.getStandardDeviation();
printer.println(String.format(
"%d %f %f %f", numDevices, avg, avg-stddev, avg+stddev));
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (printer != null) {
printer.close();
}
}
}
}
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