private int _cellsBusy; // no need for volatile as we only update with Interlocked.CompareExchange
/// <summary>
/// Returns the size in bytes occupied by an Striped64 instance.
/// </summary>
/// <param name="instance">instance for whch to calculate the size.</param>
/// <returns>The size of the instance in bytes.</returns>
public static int GetEstimatedFootprintInBytes(Striped64 instance)
{
var cells = instance.Cells;
var cellsLength = cells?.Length ?? 0;
var nonNullCells = 0;
if (cells != null)
{
foreach (var cell in cells)
{
if (cell != null)
{
nonNullCells++;
}
}
}
return(AtomicLong.SizeInBytes + // base
sizeof(int) + // cellsBusy
IntPtr.Size + // cells reference
cellsLength * IntPtr.Size + // size of array of references to cells
nonNullCells * Cell.SizeInBytes); // size of non null cells
}
/// <summary>
/// Returns the size in bytes occupied by an Striped64 instance.
/// </summary>
/// <param name="instance">instance for whch to calculate the size.</param>
/// <returns>The size of the instance in bytes.</returns>
public static int GetEstimatedFootprintInBytes(StripedLongAdder instance)
{
return(Striped64.GetEstimatedFootprintInBytes(instance));
}