matrix parallel start to use two different policy

StgSharp.Common/HighPerformance/Memory/L4.Evict.cs

@@ -25,6 +25,7 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
+using StgSharp.Collections;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -56,7 +57,29 @@ namespace StgSharp.HighPerformance.Memory
         )
         {
             count = (count < 0) ? 0 : count;
-            return _intrinsic.ScanEvict((short*)_predictCount, (short*)_mapCount, count, this);
+            int* pPtr = (int*)_predictCount, mPtr = (int*)_mapCount;
+
+
+            int remain = count;
+            ConcurrentFlexibleArray<IL4Predict> predictors = _predictors;
+            predictors.RequestSpanOperation();
+            Span<IL4Predict> pSpan = predictors.AsSpan();
+            try
+            {
+                for (int i = 0; i < CacheLineCount; i++)
+                {
+                    if (pPtr[i] > mPtr[i])
+                    {
+                        continue;
+                    }
+                    remain -= TryEvictAt(i, pSpan) ? 1 : 0;
+                }
+            }
+            finally
+            {
+                predictors.ReleaseSpanOperation();
+            }
+            return remain;
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -85,7 +108,7 @@ namespace StgSharp.HighPerformance.Memory
                 predict.WriteBack(head->Origin, head->Profile, new ReadOnlySpan<byte>((byte*)head->Address, (int)head->Size));
                 RecycleLine(index);
                 (*_mapCount)[index] = 0;
-                (*_predictCount)[index] = short.MaxValue;
+                (*_predictCount)[index] = int.MaxValue;
                 return true;
             }
             return false;