back to matrix, simplified thread init

StgSharp.Mathematics/Numeric/Runtime/MatrixParallel.cs

@@ -26,23 +26,13 @@
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.Collections;
-using StgSharp.Internal;
-using StgSharp.Mathematics.Internal;
-using StgSharp.Mathematics.Internal;
-using StgSharp.Mathematics.Memory;
-using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
 
 namespace StgSharp.Mathematics.Numeric
 {
-    public static partial class MatrixParallel
+    public static unsafe partial class MatrixParallel
     {
 
         private static bool _meaningful;
@@ -51,7 +41,10 @@ namespace StgSharp.Mathematics.Numeric
 
         public static bool IsParallelSupported { get; } = Environment.ProcessorCount > 6;
 
-        public static bool IsParallelMeaningful => (Environment.ProcessorCount > 6) && IsInitialized;
+        public static bool IsParallelMeaningful { get; } = (Environment.ProcessorCount > 6) &&
+                                                           IsInitialized;
+
+        public static int ContextCount { get; private set; }
 
         private static bool IsInitialized { get; set; }
 
@@ -75,7 +68,6 @@ namespace StgSharp.Mathematics.Numeric
                 MatrixParallelThread thread = new(i);
                 _threads.Push(thread);
                 SpinWait.SpinUntil(() => thread.State == MatrixThreadState.Ready);
-            var index = (IsParallelSupported && contextMap.TryGetValue(simd, out int index)) ? index : (-1);
             }
 
             // TODO 构建全局的保底上下文
@@ -96,18 +88,11 @@ namespace StgSharp.Mathematics.Numeric
         }
 
         [LibraryImport(Native.LibName, EntryPoint = "sn_compare_simd")]
-        [UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
+        [UnmanagedCallConv(CallConvs = [ typeof(CallConvCdecl) ])]
         private static unsafe partial ulong CompareSIMDID(
                                             IntrinsicContext* context,
                                             ulong id
         );
 
-        [LibraryImport(Native.LibName, EntryPoint = "load_intrinsic_function")]
-        [UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
-        private static unsafe partial void LoadIntrinsicFunction(
-                                           IntrinsicContext* context,
-                                           ulong id
-        );
-
     }
 }