internal void AddIndividualQueryResult(QueriesDetailPerSubject results)
{
if (this.individualQuerytimes == null)
{
this.individualQuerytimes = CreateTable("IndividualQueryResults");
}
var insertOperation = TableOperation.Insert(results);
// Execute the insert operation.
this.individualQuerytimes.Execute(insertOperation);
}
public async Task <Tuple <long, long, long> > ComputeRandomQueries(int repetitions, string expId = "DummyExperimentID")
{
if (string.IsNullOrEmpty(this.ExperimentID))
{
this.ExperimentID = expId;
}
var solutionManager = this.SolutionManager;
var random = new Random();
long sumTime = 0;
long maxTime = 0;
long minTime = long.MaxValue;
long[] times = new long[repetitions];
//var numberOfMethods = await solutionManager.GetReachableMethodsCountAsync();
var warmingUpQueries = 50;
for (int i = 0; i < repetitions + warmingUpQueries; i++)
{
//var methodNumber = random.Next(numberOfMethods);
//var methodDescriptor = await solutionManager.GetMethodDescriptorByIndexAsync(methodNumber);
var methodDescriptor = await solutionManager.GetRandomMethodAsync();
var invocationCount = await CallGraphQueryInterface.GetInvocationCountAsync(solutionManager, methodDescriptor);
if (invocationCount > 0)
{
var invocation = random.Next(invocationCount) + 1;
IEnumerable <MethodDescriptor> result = null;
var stopWatch = Stopwatch.StartNew();
if (invocation > 0)
{
result = await CallGraphQueryInterface.GetCalleesAsync(solutionManager, methodDescriptor, invocation, "");
}
else
{
result = await CallGraphQueryInterface.GetCalleesAsync(solutionManager, methodDescriptor);
}
stopWatch.Stop();
if (i >= warmingUpQueries)
{
var time = stopWatch.ElapsedMilliseconds;
times[i - warmingUpQueries] = time;
if (time > maxTime)
{
maxTime = time;
}
if (time < minTime)
{
minTime = time;
}
sumTime += time;
var currentTime = DateTime.Now;
var results = new QueriesDetailPerSubject()
{
ExpID = this.ExperimentID,
Time = currentTime,
Subject = this.subject,
Machines = machines,
QueryNumber = i - warmingUpQueries,
QueryTime = time,
PartitionKey = this.ExperimentID,
RowKey = ExperimentID + "-" + (i - warmingUpQueries) + "-" + currentTime.ToFileTime().ToString()
};
this.AddIndividualQueryResult(results);
}
}
}
if (repetitions > 0)
{
var avgTime = sumTime / repetitions;
var stdDev = 0D;
for (var i = 0; i < times.Length; i++)
{
stdDev += (times[i] - avgTime) * (times[i] - avgTime);
}
stdDev = Math.Sqrt(stdDev / repetitions);
var time = DateTime.Now;
var results = new QueriesPerSubject()
{
ExpID = this.ExperimentID,
Time = time,
Subject = this.subject,
Machines = machines,
Repeticions = repetitions,
AvgTime = avgTime,
MinTime = minTime,
MaxTime = maxTime,
StdDev = stdDev,
Median = times[repetitions / 2],
Observations = "From web",
PartitionKey = this.ExperimentID,
RowKey = time.ToFileTime().ToString()
};
this.AddQueryResults(results);
// SaveTable<QueriesPerSubject>("QueryResults", @"Y:\");
return(Tuple.Create <long, long, long>(avgTime, minTime, maxTime));
}
return(Tuple.Create <long, long, long>(0, 0, 0));
}
