added a simple example

henon · henon · commit d2b6f9d041ee · 2019-06-02T16:57:01.000+02:00
diff --git a/Numpy.NET.sln b/Numpy.NET.sln
@@ -7,6 +7,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Numpy", "src\Numpy\Numpy.cs
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Numpy.UnitTest", "test\Numpy.UnitTest\Numpy.UnitTest.csproj", "{1B69F24E-8C60-421D-B11B-5306ED7A060E}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Examples", "Examples", "{25D84E98-E107-45C9-A0EC-0B25E24DA607}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MatmulExample", "src\Examples\MatmulExample\MatmulExample.csproj", "{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,10 +25,17 @@ Global
 		{1B69F24E-8C60-421D-B11B-5306ED7A060E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1B69F24E-8C60-421D-B11B-5306ED7A060E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1B69F24E-8C60-421D-B11B-5306ED7A060E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{A92C1287-BF2B-4FDC-8BBA-A17F410CD41F} = {25D84E98-E107-45C9-A0EC-0B25E24DA607}
+	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {5EB08541-5168-443C-B524-A5CB7E7C613D}
 	EndGlobalSection
diff --git a/doc/img/numpy_intellisense.png b/doc/img/numpy_intellisense.png
diff --git a/src/Examples/MatmulExample/MatmulExample.csproj b/src/Examples/MatmulExample/MatmulExample.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Numpy\Numpy.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/Examples/MatmulExample/Program.cs b/src/Examples/MatmulExample/Program.cs
@@ -0,0 +1,28 @@
+﻿using System;
+using System.Diagnostics;
+using Numpy;
+
+namespace MatmulExample
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Efficient matrix multiplication with NumPy (only GPU backed libraries are faster):");
+            // before starting the measurement, let us call numpy once to get the setup checks done. 
+            np.arange(1);
+
+            var stopwatch = Stopwatch.StartNew();
+            var a1 = np.arange(60000).reshape(300, 200);
+            var a2 = np.arange(80000).reshape(200, 400);
+
+            var result = np.matmul(a1, a2);
+            stopwatch.Stop();
+
+            Console.WriteLine($"execution time with NumPy: {stopwatch.Elapsed.TotalMilliseconds}ms\n");
+
+            Console.WriteLine("Result:\n"+result.repr);
+            Console.ReadKey();
+        }
+    }
+}
