L4 theoretical work

src/Nitload.Common/HighPerformance/Memory/L4.PredictorQueue.cs

@@ -45,8 +45,7 @@ namespace Nitload.Common.HighPerformance.Memory
                         if (ReferenceEquals(predictor, _ring[idx]))
                         {
                             int end = _predict;
-                            for (int move = i; move < end - 1; move++)
+                            for (int move = i; move < end - 1; move++) {
-                            {
                                 _ring[(byte)move] = _ring[(byte)(move + 1)];
                             }
                             _ring[(byte)(end - 1)] = default!;
@@ -58,7 +57,7 @@ namespace Nitload.Common.HighPerformance.Memory
             }
             finally
             {
-                Interlocked.Exchange(ref _queue_sync, 0);
+                _ = Interlocked.Exchange(ref _queue_sync, 0);
             }
         }
 
@@ -77,9 +76,18 @@ namespace Nitload.Common.HighPerformance.Memory
             WaitForSpare();
 
             _consume++;
-
+            try
-            byte idx = (byte)_consume;
+            {
-            _ring[idx] = predictor;
+                unchecked
+                {
+                    byte idx = (byte)_consume;
+                    _ring[idx] = predictor;
+                }
+            }
+            finally
+            {
+                _ = Interlocked.Exchange(ref _queue_sync, 0);
+            }
         }
 
         private void WaitForSpare()

src/Nitload.Common/HighPerformance/Memory/L4Predictor.cs

@@ -33,5 +33,4 @@ namespace Nitload.Common.HighPerformance.Memory
 
     }
 
-    internal class PredictorMonitor { }
 }