private void CopyToBuffer(byte *value, int size)
{
if (_buffer == null ||
_bufferPos + size > _buffer.SizeInBytes)
{
var newBuffer = _buffersPool.Allocate(Bits.NextPowerOf2(_bufferPos + size));
if (_buffer != null)
{
Memory.Copy(newBuffer.Address, _buffer.Address, _buffer.SizeInBytes);
_buffersPool.Return(_buffer);
}
_buffer = newBuffer;
}
Memory.Copy(_buffer.Address + _bufferPos, value, size);
_bufferPos += size;
}
public void SerialAllocationAndRelease()
{
using (var pool = new UnmanagedBuffersPoolWithLowMemoryHandling(string.Empty))
{
var allocatedMemory = new List <AllocatedMemoryData>();
for (var i = 0; i < 1000; i++)
{
allocatedMemory.Add(pool.Allocate(i));
}
foreach (var data in allocatedMemory)
{
pool.Return(data);
}
}
}
public void ParallelAllocationAndReleaseSeperately()
{
using (var pool = new UnmanagedBuffersPoolWithLowMemoryHandling(string.Empty))
{
var allocatedMemory = new global::Sparrow.Collections.ConcurrentSet <AllocatedMemoryData>();
Parallel.For(0, 100, RavenTestHelper.DefaultParallelOptions, x =>
{
for (var i = 0; i < 10; i++)
{
allocatedMemory.Add(pool.Allocate(i));
}
});
Parallel.ForEach(allocatedMemory, RavenTestHelper.DefaultParallelOptions, item =>
{
pool.Return(item);
});
}
}
public void ParallelSerialAllocationAndRelease()
{
using (var pool = new UnmanagedBuffersPoolWithLowMemoryHandling(string.Empty))
{
var allocatedMemory = new BlockingCollection <AllocatedMemoryData>();
Task.Run(() =>
{
for (var i = 0; i < 100; i++)
{
allocatedMemory.Add(pool.Allocate(i));
}
allocatedMemory.CompleteAdding();
});
while (allocatedMemory.IsCompleted == false)
{
AllocatedMemoryData tuple;
if (allocatedMemory.TryTake(out tuple, 100))
{
pool.Return(tuple);
}
}
}
}