public void Cast_SameType(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Func <IEnumerable <int>, IEnumerable <int> > linqApply = col => col.Cast <int>();
int val = 1;
Perf_LinqTestBase.Measure <int, int>(10, 5, val, wrapType, linqApply);
}
public void Cast_ToBaseClass(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Func <IEnumerable <ChildClass>, IEnumerable <BaseClass> > linqApply = col => col.Cast <BaseClass>();
ChildClass val = new ChildClass()
{
Value = 1, ChildValue = 2
};
Perf_LinqTestBase.Measure <ChildClass, BaseClass>(10, 5, val, wrapType, linqApply);
}
public void Contains_FirstElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable<int> source = Perf_LinqTestBase.Wrap(Enumerable.Range(0, size).ToArray(), wrapType);
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < iterationCount; i++)
{
source.Contains(0);
}
}
}
}
public void WhereSelect(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Perf_LinqTestBase.Measure <int>(size, iteration, wrapType, col => col.Where(o => o >= 0).Select(o => o + 1));
}
public void ToDictionary(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
int[] array = Enumerable.Range(0, size).ToArray();
Perf_LinqTestBase.MeasureMaterializationToDictionary <int>(Perf_LinqTestBase.Wrap(array, wrapType), iteration);
}
public void SkipTake(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Perf_LinqTestBase.Measure <int>(size, iteration, wrapType, col => col.Skip(1).Take(size - 2));
}
public int WhereLastOrDefault(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType).Where(x => x % 2 == 0).LastOrDefault();
[ArgumentsSource(nameof(IterationSizeWrapperData))] // for some reason the size and iteration arguments are ignored for this benchmark
public void Cast_SameType(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_intArrayOfTenElements, wrapType);
source.Cast <int>().Consume(_consumer);
}
public void WhereSelect(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Measure(_sizeToPreallocatedArray[size], wrapType, col => col.Where(o => o >= 0).Select(o => o + 1), _consumer);
public int FirstWithPredicate_LastElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType).First(x => x >= size - 1);
public int[] ToArray(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType);
return(source.ToArray());
}
public int FirstWithPredicate_LastElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType);
return(source.First(x => x >= size - 1));
}
public void TakeLastFull(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Measure(_sizeToPreallocatedArray[size], wrapType, col => col.TakeLast(size - 1), _consumer);
public void OrderBy_TakeOne()
{
Perf_LinqTestBase.MeasureIteration(QuickSortWorstCase(10000).OrderBy(i => i).Take(1), 10);
}
public int WhereFirstOrDefault_LastElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType).Where(x => x >= size - 1).FirstOrDefault();
public void Reverse(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Measure(_sizeToPreallocatedArray[size], wrapType, col => col.Reverse(), _consumer);
public Dictionary <int, int> ToDictionary(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType);
return(source.ToDictionary(key => key));
}
public void SkipTake(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Measure(_sizeToPreallocatedArray[size], wrapType, col => col.Skip(1).Take(size - 2), _consumer);
public int LastOrDefaultWithPredicate(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType).LastOrDefault(x => x % 2 == 0);
public List <int> SelectToList(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType);
return(source.Select(i => i).ToList());
}
public void OrderByThenBy(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Perf_LinqTestBase.Measure <int>(size, iteration, wrapType, col => col.OrderBy(o => - o).ThenBy(o => o));
}
public bool Contains_FirstElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <int> source = Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType);
return(source.Contains(0));
}
public void Repeat(int size, int iteration)
{
Perf_LinqTestBase.Measure <int>(1, iteration, Perf_LinqTestBase.WrapperType.NoWrap, col => Enumerable.Repeat(0, size));
}
[ArgumentsSource(nameof(IterationSizeWrapperData))] // for some reason the size and iteration arguments are ignored for this benchmark
public void Cast_ToBaseClass(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
IEnumerable <ChildClass> source = Perf_LinqTestBase.Wrap(_childClassArrayOfTenElements, wrapType);
source.Cast <BaseClass>().Consume(_consumer);
}
public void Reverse(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType)
{
Perf_LinqTestBase.Measure <int>(size, iteration, wrapType, col => col.Reverse());
}
public void OrderBy(int size, int iteration, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Measure(_sizeToPreallocatedArray[size], wrapType, col => col.OrderBy(o => - o), _consumer);
public bool WhereAny_LastElementMatches(int size, int iterationCount, Perf_LinqTestBase.WrapperType wrapType) => Perf_LinqTestBase.Wrap(_sizeToPreallocatedArray[size], wrapType).Where(x => x >= size - 1).Any();
