add multi predictor support to l4, working for ver 5 of mat parallel

2026-04-09 18:07:49 +08:00
parent 0bad6bb480
commit f7187ca7fd
19 changed files with 653 additions and 187 deletions
@@ -0,0 +1,97 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="MatrixEnumerator"
+// Project: StgSharp
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
+//     
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using StgSharp.HighPerformance.Memory;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Mathematics.Numeric.Runtime
+{
+    public enum PredictPolicy
+    {
+
+        Transparent = 0,
+        BufferSequential = 1,
+        SquareRowMajor = 2,
+        SquareColMajor = 3,
+
+    }
+
+    public unsafe interface IMatrixCachePredictor<TSelf, T> : IL4Predict
+        where T : unmanaged, INumber<T>
+        where TSelf : class, IMatrixCachePredictor<TSelf, T>
+    {
+
+        public bool NeedWriteBack { get; }
+
+        public static abstract PredictPolicy Policy { get; set; }
+
+    }
+
+    public sealed unsafe class BufferSequentialPredictor<T> : IMatrixCachePredictor<BufferSequentialPredictor<T>, T>
+        where T : unmanaged, INumber<T>
+    {
+
+        private MatrixKernelEnumerator enumerator;
+
+        public bool NeedWriteBack => throw new NotImplementedException();
+
+        public static PredictPolicy Policy { get; set; } = PredictPolicy.SquareRowMajor;
+
+        private MatrixKernel* Buffer { get; set; }
+
+        public PredictResult Predict(
+                             Span<CacheLinePrediction> node,
+                             out int count
+        )
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Prefetch(
+                    nuint origin,
+                    ulong policy,
+                    Span<byte> cache
+        )
+        {
+            throw new NotImplementedException();
+        }
+
+        public void WriteBack(
+                    nuint origin,
+                    ulong policy,
+                    ReadOnlySpan<byte> cache
+        )
+        {
+            throw new NotImplementedException();
+        }
+
+    }
+}