/// <summary>
/// for a given set, runs the filter and outputs the run time. attempts single thread, parallel, and custom threadpool
/// of 1, 2, 4, 8 threads to compare results
/// </summary>
/// <param name="testData"></param>
/// <param name="filter"></param>
/// <param name="remarks"></param>
public static void TestFilterTimes(List <IHasBits> testData, Func <IHasBits, bool> filter, string remarks)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("Tests starting for {0}. {1} items" + Environment.NewLine, remarks, testData.Count);
Tuple <string, long> bestPerf;
var sw = Stopwatch.StartNew();
var newList = testData.FilterList(filter);
sw.Stop();
sb.AppendFormat("regular. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count);
bestPerf = new Tuple <string, long>("regular", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
newList = testData.FilterList_UsingParallel(filter);
sw.Stop();
sb.AppendFormat("parallel. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count);
if (sw.ElapsedMilliseconds < bestPerf.Item2)
{
bestPerf = new Tuple <string, long>("parallel", sw.ElapsedMilliseconds);
}
//newList.ForEach(x =>
//{
// Debug.WriteLine("regular parallel match {0}", x.Bits.ToString());
//});
List <int> workerCounts = new List <int> {
1, 2, 4, 8
};
foreach (var each in workerCounts)
{
sw.Reset();
sw.Start();
newList = testData.FilterList_UsingWorkers(filter, each);
sw.Stop();
sb.AppendFormat("{2} workers. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count, each);
if (sw.ElapsedMilliseconds < bestPerf.Item2)
{
bestPerf = new Tuple <string, long>(each + " workers", sw.ElapsedMilliseconds);
}
//newList.ForEach(x =>
//{
// Debug.WriteLine("match {0}", x.Bits.ToString());
//});
}
sb.AppendFormat("best perf {0} {1}" + Environment.NewLine, bestPerf.Item1, bestPerf.Item2);
Debug.Write(sb.ToString());
}
/// <summary>
/// for a given set, runs the filter and outputs the run time. attempts single thread, parallel, and custom threadpool
/// of 1, 2, 4, 8 threads to compare results
/// </summary>
/// <param name="testData"></param>
/// <param name="filter"></param>
/// <param name="remarks"></param>
public static void TestFilterTimes(List<IHasBits> testData, Func<IHasBits, bool> filter, string remarks)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("Tests starting for {0}. {1} items" + Environment.NewLine, remarks, testData.Count);
Tuple<string, long> bestPerf;
var sw = Stopwatch.StartNew();
var newList = testData.FilterList(filter);
sw.Stop();
sb.AppendFormat("regular. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count);
bestPerf = new Tuple<string, long>("regular", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
newList = testData.FilterList_UsingParallel(filter);
sw.Stop();
sb.AppendFormat("parallel. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count);
if (sw.ElapsedMilliseconds < bestPerf.Item2)
bestPerf = new Tuple<string, long>("parallel", sw.ElapsedMilliseconds);
//newList.ForEach(x =>
//{
// Debug.WriteLine("regular parallel match {0}", x.Bits.ToString());
//});
List<int> workerCounts = new List<int> { 1, 2, 4, 8 };
foreach (var each in workerCounts)
{
sw.Reset();
sw.Start();
newList = testData.FilterList_UsingWorkers(filter, each);
sw.Stop();
sb.AppendFormat("{2} workers. elapsed ms {0}. matched {1}" + Environment.NewLine, sw.ElapsedMilliseconds, newList.Count, each);
if (sw.ElapsedMilliseconds < bestPerf.Item2)
bestPerf = new Tuple<string, long>(each + " workers", sw.ElapsedMilliseconds);
//newList.ForEach(x =>
//{
// Debug.WriteLine("match {0}", x.Bits.ToString());
//});
}
sb.AppendFormat("best perf {0} {1}" + Environment.NewLine, bestPerf.Item1, bestPerf.Item2);
Debug.Write(sb.ToString());
}
public List <StoredObjectId> SearchIndex(Func <IHasBits, bool> filter)
{
Condition.Requires(filter).IsNotNull();
var rv = new List <StoredObjectId>();
var items = this._storeOfIndices.GetAll <IndexedEntry>();
List <IHasBits> list = new List <IHasBits>();
list.AddRange(items);
var filtList = list.FilterList_UsingParallel(filter);
filtList.WithEach(x =>
{
rv.Add((x as IndexedEntry).Id as StoredObjectId);
});
return(rv);
}
public List<StoredObjectId> SearchIndex(Func<IHasBits, bool> filter)
{
Condition.Requires(filter).IsNotNull();
var rv = new List<StoredObjectId>();
var items = this._storeOfIndices.GetAll<IndexedEntry>();
List<IHasBits> list = new List<IHasBits>();
list.AddRange(items);
var filtList = list.FilterList_UsingParallel(filter);
filtList.WithEach(x =>
{
rv.Add((x as IndexedEntry).Id as StoredObjectId);
});
return rv;
}
