private static void Byte_Memory_PosPos(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <byte>(new byte[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <byte>(manager.Memory);
long offset = buffer.Length / 20;
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
ReadOnlySequence <byte> sliced = buffer;
long sliceLen = sliced.Length;
SequencePosition start = sliced.GetPosition(0);
SequencePosition end = sliced.GetPosition(0, sliced.End);
while (sliceLen > 0)
{
sliceLen -= 2 * offset;
start = new SequencePosition(start.GetObject(), start.GetInteger() + (int)offset);
end = new SequencePosition(end.GetObject(), end.GetInteger() - (int)offset);
sliced = sliced.Slice(start, end);
localInt ^= sliced.Start.GetInteger();
}
}
}
_volatileInt = localInt;
}
}
public void OwnedBufferDisposedAfterFinalizerGCKeepAliveTest()
{
MemoryManager <byte> owned = new CustomMemoryForTest <byte>(new byte[1024]);
var buffer = owned.Memory;
var slice = buffer.Slice(1);
var span = buffer.Span;
var sliceSpan = slice.Span;
span[5] = 42;
sliceSpan[10] = 24;
GC.Collect(2);
GC.WaitForPendingFinalizers();
try
{
span = buffer.Span;
sliceSpan = slice.Span;
}
catch (ObjectDisposedException ex)
{
Assert.True(false, "There shouldn't be any Object Disposed Exception here. " + ex.Message);
}
Assert.Equal(42, span[5]);
Assert.Equal(24, sliceSpan[10]);
}
private static void Byte_Memory_Long(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <byte>(new byte[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <byte>(manager.Memory);
long offset = buffer.Length / 10;
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
ReadOnlySequence <byte> sliced = buffer;
long sliceLen = sliced.Length;
while (sliceLen > 0)
{
sliceLen -= offset;
sliced = sliced.Slice(offset);
localInt ^= sliced.Start.GetInteger();
}
}
}
_volatileInt = localInt;
}
}
private static void Byte_Memory(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <byte>(new byte[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <byte>(manager.Memory);
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
ReadOnlyMemory <byte> first = buffer.First;
localInt ^= first.Length;
}
}
_volatileInt = localInt;
}
}
private static void Byte_Memory_Pos(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <byte>(new byte[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <byte>(manager.Memory);
SequencePosition start = buffer.GetPosition(0);
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
ReadOnlySequence <byte> temp = buffer.Slice(start);
localInt ^= temp.Start.GetInteger();
}
}
_volatileInt = localInt;
}
}
private static void Char_Memory(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <char>(new char[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <char>(manager.Memory);
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
foreach (ReadOnlyMemory <char> memory in buffer)
{
localInt ^= memory.Length;
}
}
}
_volatileInt = localInt;
}
}
private static void Byte_Memory(int bufSize, int bufOffset)
{
var manager = new CustomMemoryForTest <byte>(new byte[bufSize], bufOffset, bufSize - 2 * bufOffset);
var buffer = new ReadOnlySequence <byte>(manager.Memory);
foreach (BenchmarkIteration iteration in Benchmark.Iterations)
{
int localInt = 0;
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
SequencePosition p = buffer.Start;
while (buffer.TryGet(ref p, out ReadOnlyMemory <byte> memory))
{
localInt ^= memory.Length;
}
}
}
_volatileInt = localInt;
}
}