diff --git a/StgSharp.Common/Mathematics/Linear/Matrix.cs b/StgSharp.Common/Mathematics/Linear/Matrix.cs
index ad421f3d..5bec2fdd 100644
--- a/StgSharp.Common/Mathematics/Linear/Matrix.cs
+++ b/StgSharp.Common/Mathematics/Linear/Matrix.cs
@@ -31,7 +31,7 @@
 using StgSharp.HighPerformance;
 using System;
 using System.Numerics;
-
+using System.Runtime.CompilerServices;
 using hlsfAllocator = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
 using hlsfHandle = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocationHandle;
 
@@ -65,8 +65,22 @@ namespace StgSharp.Mathematics
 
         protected int KernelRowCount { get; init; }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Matrix<T> FromHlsf(int column, int row, hlsfAllocator allocator)
+        {
+            return new HlsfMatrix<T>(column, row, allocator);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public abstract MatrixSegmentEnumeration GetColumnEnumeration();
+
         public abstract ref MatrixKernel GetMatrixKernel(int column, int row);
 
+        public abstract MatrixSegmentEnumeration GetRowEnumeration();
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public abstract MatrixSegmentEnumeration GetSequentialEnumeration();
+
         [Obsolete("This method does not contain boarder check, so be careful on size or use indexer instead.", false)]
         public abstract ref T UnsafeIndex(int column, int row);
 
@@ -81,102 +95,109 @@ namespace StgSharp.Mathematics
             }
         }
 
-    }
-
-    internal unsafe class GCMatrix<T> : Matrix<T> where T: unmanaged, INumber<T>
-    {
-
-        private readonly MatrixKernel[,] buffer;
-
-        public GCMatrix(int column, int row)
+        public readonly unsafe ref struct MatrixSegmentEnumeration(
+                                          MatrixKernel* source,
+                                          int size,
+                                          int stride,
+                                          int secondaryStride)
         {
-            KernelColumnCount = (column + 3) / 4;
-            KernelRowCount = (row + 3) / t_count;
-            buffer = new MatrixKernel[KernelColumnCount, KernelRowCount];
-        }
 
-        public override ref T this[int column, int row]
-        {
-            get
+            private readonly MatrixKernel* _source = source;
+            private readonly int _secondaryStride = secondaryStride;
+            private readonly int _size = size;
+            private readonly int _stride = stride;
+
+            public Enumerator GetEnumerator()
             {
-                AssertIndex(column, row);
-                int kernelColumn = column / 4, c = column % 4;
-                int kernelRow = row / t_count, r = row % t_count;
-                ref MatrixKernel kernel = ref buffer[kernelColumn, kernelRow];
-                return ref kernel.UnsafeIndex<T>(c, r);
+                return new Enumerator(_source, _size, _stride, _size, _secondaryStride);
             }
-        }
 
-        public override Matrix<T> this[ReadOnlySpan<MatrixIndex> column, ReadOnlySpan<MatrixIndex> row]
-        {
-            get => throw new NotImplementedException();
-            set => throw new NotImplementedException();
-        }
-
-        public override unsafe ref MatrixKernel GetMatrixKernel(int column, int row)
-        {
-            AssertIndex(column, row);
-            int kernelColumn = column / 4;
-            int kernelRow = row / t_count;
-            return ref buffer[kernelColumn, kernelRow];
-        }
-
-        public override ref T UnsafeIndex(int column, int row)
-        {
-            int kernelColumn = column / 4, c = column % 4;
-            int kernelRow = row / t_count, r = row % t_count;
-            ref MatrixKernel kernel = ref buffer[kernelColumn, kernelRow];
-            return ref kernel.UnsafeIndex<T>(c, r);
-        }
-
-    }
-
-    internal unsafe class HlsfMatrix<T> : Matrix<T> where T: unmanaged, INumber<T>
-    {
-
-        private readonly MatrixKernel* k_buffer;
-        private readonly hlsfHandle handle;
-
-        internal HlsfMatrix(int column, int row, hlsfAllocator allocator)
-        {
-            KernelColumnCount = (column + 3) / 4;
-            KernelRowCount = (row + 3) / t_count;
-            this.handle = allocator.Alloc((uint)(KernelColumnCount * KernelRowCount * sizeof(MatrixKernel)));
-            k_buffer = (MatrixKernel*)handle.Pointer;
-        }
-
-        public override ref T this[int column, int row]
-        {
-            get
+            public ref struct Enumerator(MatrixKernel* source, int end, int stride, int size, int secondaryStride)
             {
-                AssertIndex(column, row);
-                int kernelColumn = column / 4, c = column % 4;
-                int kernelRow = row / t_count, r = row % t_count;
-                ref MatrixKernel kernel = ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
-                return ref kernel.UnsafeIndex<T>(c, r);
+
+                private MatrixKernel* _current = source - stride;
+                private readonly MatrixKernel* _end = source + end;
+                private readonly MatrixKernel* _source = source;
+                private readonly int _secondaryStride = secondaryStride;
+                private readonly int _size = size;
+                private readonly int _stride = stride;
+
+                public readonly MatrixSegment Current
+                {
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                    get => new(_current, _size, _secondaryStride);
+                }
+
+                public readonly void Dispose() { }
+
+                public bool MoveNext()
+                {
+                    _current += _stride;
+                    return _current < _end;
+                }
+
+                public void Reset()
+                {
+                    _current = _source - _stride;
+                }
+
             }
+
         }
 
-        public override Matrix<T> this[ReadOnlySpan<MatrixIndex> column, ReadOnlySpan<MatrixIndex> row]
+        public readonly unsafe ref struct MatrixSegment(MatrixKernel* source, int size, int stride)
         {
-            get => throw new NotImplementedException();
-            set => throw new NotImplementedException();
-        }
 
-        public override unsafe ref MatrixKernel GetMatrixKernel(int column, int row)
-        {
-            AssertIndex(column, row);
-            int kernelColumn = column / 4, c = column % 4;
-            int kernelRow = row / t_count, r = row % t_count;
-            return ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
-        }
+            private readonly MatrixKernel* _source = source;
+            private readonly int _size = size;
+            private readonly int _stride = stride;
+
+            public ref MatrixKernel this[int index]
+            {
+                get
+                {
+                    if (index < 0 || index >= _size) {
+                        throw new ArgumentOutOfRangeException(nameof(index));
+                    }
+                    return ref _source[index * _stride];
+                }
+            }
+
+            public Enumerator GetEnumerator()
+            {
+                return new Enumerator(_source, _size, _stride);
+            }
+
+            public ref struct Enumerator(MatrixKernel* source, int end, int stride)
+            {
+
+                private readonly MatrixKernel* _end = source + end;
+                private readonly MatrixKernel* _source = source;
+                private readonly int _stride = stride;
+
+                public MatrixKernel* Current
+                {
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                    get;
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                    private set;
+                } = source - stride;
+
+                public void Dispose() { }
+
+                public bool MoveNext()
+                {
+                    Current += _stride;
+                    return Current < _end;
+                }
+
+                public void Reset()
+                {
+                    Current = _source - _stride;
+                }
+
+            }
 
-        public override ref T UnsafeIndex(int column, int row)
-        {
-            int kernelColumn = column / 4, c = column % 4;
-            int kernelRow = row / t_count, r = row % t_count;
-            ref MatrixKernel kernel = ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
-            return ref kernel.UnsafeIndex<T>(c, r);
         }
 
     }
diff --git a/StgSharpDebug/Program.cs b/StgSharpDebug/Program.cs
index abf5e7be..d0ded01c 100644
--- a/StgSharpDebug/Program.cs
+++ b/StgSharpDebug/Program.cs
@@ -32,6 +32,7 @@ using StgSharp.Collections;
 using StgSharp.Controlling.UsrActivity;
 using StgSharp.Geometries;
 using StgSharp.Graphics;
+using StgSharp.HighPerformance;
 using StgSharp.HighPerformance.Memory;
 using StgSharp.Mathematics;
 using StgSharp.Model.Step;
@@ -56,116 +57,25 @@ namespace StgSharp
 
         internal static unsafe void Main(string[] args)
         {
-            /*
+            World.Init();
+            /**/
             try
             {
-                /**/
-            World.Init();
+                HybridLayerSegregatedFitAllocator hlsf = new HybridLayerSegregatedFitAllocator(64 * 400 * 400);
 
-            // HLSF test arena
-            Console.WriteLine(
-                    "=== HLSF (Hybrid Layer Segregated Fit Allocator) Single-threaded Stress Test ===\n");
+                Matrix<float> m = Matrix<float>.FromHlsf(400, 400, hlsf);
 
-
-            // 使用适中的内存池大小
-            HybridLayerSegregatedFitAllocator hlsfAllocator = new HybridLayerSegregatedFitAllocator(16 * 1024 * 1024);
-
-            Console.WriteLine("开始单线程压力测试...\n");
-
-
-            // 单线程压力测试：适度的分配和释放操作
-            int totalCycles = 5;
-            int allocationsPerCycle = 1024 * 64; // 65536 次分配
-
-            for (int cycle = 0; cycle < totalCycles; cycle++)
-            {
-                Console.WriteLine($"\n=== 第 {cycle + 1} 轮压力测试 ===");
-
-                // 预生成随机数
-                uint[] randomSizes = new uint[allocationsPerCycle];
-                Random random = new Random(cycle);
-                for (int i = 0; i < allocationsPerCycle; i++) {
-                    randomSizes[i] = (uint)(64 + random.Next(1024 - 64 + 1));
+                int i = 0, ii = 0;
+                foreach (Matrix<float>.MatrixSegment lines in m.GetColumnEnumeration())
+                {
+                    foreach (MatrixKernel* item in lines)
+                    {
+                        i++;
+                        Console.WriteLine(i);
+                    }
+                    ii++;
+                    Console.WriteLine($"============================{ii}");
                 }
-
-                // 分配阶段
-                List<HybridLayerSegregatedFitAllocationHandle> handles = new List<HybridLayerSegregatedFitAllocationHandle>(allocationsPerCycle);
-                Stopwatch stopwatch = Stopwatch.StartNew();
-
-                for (int i = 0; i < allocationsPerCycle; i++) {
-                    handles.Add(hlsfAllocator.Alloc(randomSizes[i]));
-                }
-
-                stopwatch.Stop();
-                Console.WriteLine($"分配完成，总计分配 {handles.Count} 个块");
-                Console.WriteLine($"分配耗时: {stopwatch.ElapsedMilliseconds} ms");
-                if (stopwatch.ElapsedMilliseconds > 0) {
-                    Console.WriteLine($"分配速度: {allocationsPerCycle * 1000 / stopwatch.ElapsedMilliseconds} allocs/sec");
-                }
-
-
-                // 随机释放阶段
-                stopwatch.Restart();
-
-                for (int i = handles.Count - 1; i >= 0; i--) {
-                    hlsfAllocator.Free(handles[i]);
-                }
-
-                stopwatch.Stop();
-                Console.WriteLine($"释放完成，总计释放 {handles.Count} 个块");
-                Console.WriteLine($"释放耗时: {stopwatch.ElapsedMilliseconds} ms");
-                if (stopwatch.ElapsedMilliseconds > 0) {
-                    Console.WriteLine($"释放速度: {handles.Count * 1000 / stopwatch.ElapsedMilliseconds} frees/sec");
-                }
-
-                handles.Clear();
-            }
-
-            Console.WriteLine("\n=== 边界测试 ===");
-
-
-            // 测试最小分配
-            Console.WriteLine("测试最小分配 (64字节)...");
-            List<HybridLayerSegregatedFitAllocationHandle> minHandles = new List<HybridLayerSegregatedFitAllocationHandle>();
-            for (int i = 0; i < 1000; i++) {
-                minHandles.Add(hlsfAllocator.Alloc(64));
-            }
-            foreach (HybridLayerSegregatedFitAllocationHandle handle in minHandles) {
-                hlsfAllocator.Free(handle);
-            }
-            Console.WriteLine("最小分配测试完成");
-
-            // 测试最大分配
-            Console.WriteLine("测试最大分配 (1024字节)...");
-            List<HybridLayerSegregatedFitAllocationHandle> maxHandles = new List<HybridLayerSegregatedFitAllocationHandle>();
-            for (int i = 0; i < 1000; i++) {
-                maxHandles.Add(hlsfAllocator.Alloc(1024));
-            }
-            foreach (HybridLayerSegregatedFitAllocationHandle handle in maxHandles) {
-                hlsfAllocator.Free(handle);
-            }
-            Console.WriteLine("最大分配测试完成");
-
-            // 测试混合大小分配
-            Console.WriteLine("测试混合大小分配...");
-            List<HybridLayerSegregatedFitAllocationHandle> mixedHandles = new List<HybridLayerSegregatedFitAllocationHandle>();
-            uint[] testSizes = {
-                64, 128, 256, 512, 1024
-            };
-            for (int i = 0; i < 2000; i++)
-            {
-                uint size = testSizes[i % testSizes.Length];
-                mixedHandles.Add(hlsfAllocator.Alloc(size));
-            }
-            foreach (HybridLayerSegregatedFitAllocationHandle handle in mixedHandles) {
-                hlsfAllocator.Free(handle);
-            }
-            Console.WriteLine("混合大小分配测试完成");
-
-            Console.WriteLine("\n所有测试完成！HLSF分配器表现良好。");
-            Console.WriteLine("按任意键退出...");
-            Console.ReadKey();
-            /*
             }
             catch (Exception ex)
             {
@@ -174,16 +84,16 @@ namespace StgSharp
                 World.WriteLog($"{ex}", LogType.Error);
                 if( true ) { }
                 Dialogue.PostError( ex ); 
-                /*
+                /**/
                 World.Terminate(-1);
-                /*
+                /**/
             }
             finally
             {
                 World.Terminate(0);
             }
-                /**/
+            /**/
         }
 
     }
-}
\ No newline at end of file
+}