Daily update on 20260307-020120 by Nitload Youmu. Additional Message : None

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

StgSharp.Common/HighPerformance/Memory/L4.cs

@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="L4"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. 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.Collections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.HighPerformance.Memory
+{
+    public unsafe class L4
+    {
+
+        private readonly byte* _buffer;
+        private readonly SwissTable _map;
+
+        public nint MapMemory(nint address)
+        {
+            if (_map.TryGet(address, out nint ptr))
+            {
+                return ptr;
+            } else
+            {
+                /*
+                 * register a request for memory mapping, 
+                 * and return a pointer to the mapped memory.
+                 */
+                return 0;
+            }
+        }
+
+    }
+}

StgSharp.Common/HighPerformance/Memory/L4_design.md

@@ -77,8 +77,8 @@ L4 缓存器是一个纯软件实现的**线程本地数据缓存层**，
 | 参数               | 值                    | 说明                              |
 |-------------------|-----------------------|-----------------------------------|
 | 缓存区总容量       | 5-10 MB               | 线程本地连续内存                   |
-| 缓存行大小         | 1024 Bytes            | = 8 个 `double MAT_KERNEL` 的大小 |
-| 映射表类型         | Swiss Table           | 1024 桶 × 256 槽，SIMD 加速       |
+| 缓存行大小         | 8192 Bytes            | = 64 个 `double MAT_KERNEL` 的大小 |
+| 映射表类型         | Swiss Table           | 65536 桶 × 16 槽，SIMD 加速       |
 | 缓存行存储池       | Slab Allocator        | 非并发、固定容量、不自动扩容       |
 | 逐出策略           | 4 级热度环形链表       | 基于访问频率的近似 LFU            |
 | 写回策略           | 无（只读缓存）         | 逐出时直接丢弃，不写回远端         |