/// <summary>
/// <inheritDoc/>
///
/// </summary>
/// <exception cref="System.Exception"/>
public int Run(string[] args)
{
//parse arguments
if (args.Length != DistSum.Parameters.Count + 2)
{
return(Org.Apache.Hadoop.Examples.PI.Util.PrintUsage(args, GetType().FullName + " <name> <sigma> "
+ DistSum.Parameters.List + "\n <name> The name." + "\n <sigma> The summation."
+ DistSum.Parameters.Description));
}
int i = 0;
string name = args[i++];
Summation sigma = Summation.ValueOf(args[i++]);
SetParameters(DistSum.Parameters.Parse(args, i));
[email protected]();
[email protected]("name = " + name);
[email protected]("sigma = " + sigma);
[email protected](parameters);
[email protected]();
//run jobs
Summation result = Execute(name, sigma);
if (result.Equals(sigma))
{
sigma.SetValue(result.GetValue());
timer.Tick("\n\nDONE\n\nsigma=" + sigma);
return(0);
}
else
{
timer.Tick("\n\nDONE WITH ERROR\n\nresult=" + result);
return(1);
}
}
/// <summary>Execute DistSum computations</summary>
/// <exception cref="System.Exception"/>
private void Execute(DistSum distsum, IDictionary <Bellard.Parameter, Bellard.Sum>
sums)
{
IList <DistSum.Computation> computations = new AList <DistSum.Computation>();
int i = 0;
foreach (Bellard.Parameter p in Bellard.Parameter.Values())
{
foreach (Summation s in sums[p])
{
if (s.GetValue() == null)
{
computations.AddItem(new DistSum.Computation(this, i++, p.ToString(), s));
}
}
}
if (computations.IsEmpty())
{
[email protected]("No computation");
}
else
{
timer.Tick("execute " + computations.Count + " computation(s)");
Org.Apache.Hadoop.Examples.PI.Util.Execute(distsum.GetParameters().nThreads, computations
);
timer.Tick("done");
}
}
/// <summary>Run a job.</summary>
internal static void RunJob(string name, Job job, DistSum.Machine machine, string
startmessage, Util.Timer timer)
{
JobSemaphore.AcquireUninterruptibly();
long starttime = null;
try
{
try
{
starttime = timer.Tick("starting " + name + " ...\n " + startmessage);
//initialize and submit a job
machine.Init(job);
job.Submit();
// Separate jobs
long sleeptime = 1000L * job.GetConfiguration().GetInt(JobSeparationProperty, 10);
if (sleeptime > 0)
{
[email protected](name + "> sleep(" + Org.Apache.Hadoop.Examples.PI.Util
.Millis2String(sleeptime) + ")");
Sharpen.Thread.Sleep(sleeptime);
}
}
finally
{
JobSemaphore.Release();
}
if (!job.WaitForCompletion(false))
{
throw new RuntimeException(name + " failed.");
}
}
catch (Exception e)
{
throw e is RuntimeException ? (RuntimeException)e : new RuntimeException(e);
}
finally
{
if (starttime != null)
{
timer.Tick(name + "> timetaken=" + Org.Apache.Hadoop.Examples.PI.Util.Millis2String
(timer.Tick() - starttime));
}
}
}
