POH approach, but the sequel
This commit is contained in:
parent
bcab67f823
commit
5f5abaa247
2 changed files with 6 additions and 43 deletions
|
@ -10,13 +10,13 @@ namespace ARMeilleure.Common
|
|||
/// address through out the table's lifetime.
|
||||
/// </summary>
|
||||
/// <typeparam name="TEntry">Type of the entry in the table</typeparam>
|
||||
class EntryTable<TEntry> : IDisposable where TEntry : unmanaged
|
||||
class EntryTable<TEntry> where TEntry : unmanaged
|
||||
{
|
||||
private bool _disposed;
|
||||
private int _freeHint;
|
||||
private readonly int _pageCapacity; // Number of entries per page.
|
||||
private readonly int _pageLogCapacity;
|
||||
private readonly Dictionary<int, IntPtr> _pages;
|
||||
private readonly Dictionary<int, TEntry[]> _pages;
|
||||
private readonly BitMap _allocated;
|
||||
|
||||
/// <summary>
|
||||
|
@ -41,7 +41,7 @@ namespace ARMeilleure.Common
|
|||
}
|
||||
|
||||
_allocated = new BitMap();
|
||||
_pages = new Dictionary<int, IntPtr>();
|
||||
_pages = new Dictionary<int, TEntry[]>();
|
||||
_pageLogCapacity = BitOperations.Log2((uint)(pageSize / sizeof(TEntry)));
|
||||
_pageCapacity = 1 << _pageLogCapacity;
|
||||
}
|
||||
|
@ -149,49 +149,14 @@ namespace ARMeilleure.Common
|
|||
{
|
||||
var pageIndex = (int)((uint)(index & ~(_pageCapacity - 1)) >> _pageLogCapacity);
|
||||
|
||||
if (!_pages.TryGetValue(pageIndex, out IntPtr page))
|
||||
if (!_pages.TryGetValue(pageIndex, out TEntry[] page))
|
||||
{
|
||||
page = Marshal.AllocHGlobal(sizeof(TEntry) * _pageCapacity);
|
||||
page = GC.AllocateUninitializedArray<TEntry>(_pageCapacity, pinned: true);
|
||||
|
||||
_pages.Add(pageIndex, page);
|
||||
}
|
||||
|
||||
return new Span<TEntry>((void*)page, _pageCapacity);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Releases all resources used by the <see cref="EntryTable{TEntry}"/> instance.
|
||||
/// </summary>
|
||||
public void Dispose()
|
||||
{
|
||||
Dispose(true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Releases all unmanaged and optionally managed resources used by the <see cref="EntryTable{TEntry}{T}"/>
|
||||
/// instance.
|
||||
/// </summary>
|
||||
/// <param name="disposing"><see langword="true"/> to dispose managed resources also; otherwise just unmanaged resouces</param>
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (!_disposed)
|
||||
{
|
||||
foreach (var page in _pages.Values)
|
||||
{
|
||||
Marshal.FreeHGlobal(page);
|
||||
}
|
||||
|
||||
_disposed = true;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Frees resources used by the <see cref="EntryTable{TEntry}"/> instance.
|
||||
/// </summary>
|
||||
~EntryTable()
|
||||
{
|
||||
Dispose(false);
|
||||
return page;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -174,8 +174,6 @@ namespace ARMeilleure.Translation
|
|||
_jumpTable.Dispose();
|
||||
_jumpTable = null;
|
||||
|
||||
CountTable.Dispose();
|
||||
|
||||
GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue