daily update on 20230822 by nitload youmu

源代码/StgSharpDebug/Debug.cs

@@ -1,25 +1,70 @@
 using StgSharp.Math;
 using System;
 using System.Diagnostics;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics.X86;
 
 namespace StgSharp
 {
 
     internal static class Program
     {
+
         internal unsafe static void Main(string[] args)
         {
-            Matrix4x4 m = new Matrix4x4(
-                0,1,2,3,
-                4,5,6,7,
-                0,1,2,3,
-                4,5,6,7
+
+            /**/
+            Matrix4x4 matrix = new Matrix4x4(
+                1,1,-1,2,
+                -1,-1,-4,1,
+                2,4,-6,1,
+                1,2,4,2
                 );
-            for (int i = 0; i < 1000; i++)
+
+            Console.WriteLine(matrix.Det());
+
+            /*
+            System.Numerics.Matrix4x4 m = new System.Numerics.Matrix4x4(
+                0,1,2,3,
+                0,0,1,2,
+                0,0,0,0,
+                1,2,5,6
+                );
+
+            int cycle = 1000;
+            int time = 10000;
+
+            
+
+            for (int t = 0; t < cycle; t++)
             {
-                Matrix4x4 ret = m;
+                Stopwatch sw = Stopwatch.StartNew();
+                sw.Start();
+                for (int i = 0; i < time; i++)
+                {
+                    Matrix4x4 mat = matrix * matrix;
+                }
+                sw.Stop();
+
+                TimeSpan timeSpan = sw.Elapsed;
+                Console.WriteLine(timeSpan.TotalMilliseconds);
+
+                Stopwatch sw2 = new Stopwatch();
+                sw2.Start();
+                for (int i = 0; i < time; i++)
+                {
+                    System.Numerics.Matrix4x4 mat = m * m;
+                }
+                sw2.Stop();
+
+                TimeSpan timeSpan1 = sw2.Elapsed;
+                Console.WriteLine(timeSpan1.TotalMilliseconds);
+                Console.WriteLine();
             }
-            //Console.WriteLine(m + m);
+            
+
+
+            /**/
 
             /*
             System.Numerics.Matrix4x4 smt1 = new System.Numerics.Matrix4x4(
@@ -42,11 +87,13 @@ namespace StgSharp
 
             for (int t = 0; t < 1000; t++)
             {
+
                 s.Reset();
                 s.Start();
+
                 for (int i = 0; i < cycle; i++)
                 {
-                    System.Numerics.Matrix4x4 ret = smt1* smt1;
+                    System.Numerics.Matrix4x4 ret = smt1 * smt1;
                 }
                 s.Stop();
 
@@ -58,13 +105,14 @@ namespace StgSharp
 
                 for (int i = 0; i < cycle; i++)
                 {
-                    Matrix4x4 ret = VectorCalc.Multiple(gmt1,gmt1);
+                    Matrix4x4 ret = VectorCalc.Multiple(gmt1, gmt1);
                 }
                 s.Stop();
 
                 TimeSpan span1 = s.Elapsed;
                 Console.WriteLine(span1.TotalMilliseconds);
 
+                Console.WriteLine(t);
                 Console.WriteLine();