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dotchris90
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Added Array access, array addition, matrix mutiply tests
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Lines changed: 220 additions & 1 deletion

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‎test/NumSharp.Benchmark/ArrayTester.cs‎

Lines changed: 204 additions & 0 deletions
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using System;
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using System.Linq;
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namespace NumSharp.Benchmark
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{
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public static class ArrayTester
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{
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public static void Access()
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{
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var A = new int[10000,10000];
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int ALength = 10000 * 10000;
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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A[dim0,dim1] = idx;
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}
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var watcher1 = new System.Diagnostics.Stopwatch();
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watcher1.Start();
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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int puffer = A[dim0,dim1];
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A[dim0,dim1] = puffer;
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}
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watcher1.Stop();
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A = null;
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var B = new int[10000][];
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B = B.Select(x => new int[10000]).ToArray();
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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B[dim0][dim1] = idx;
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}
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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B[dim0][dim1] = idx;
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}
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var watcher2 = new System.Diagnostics.Stopwatch();
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watcher2.Start();
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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int puffer = B[dim0][dim1];
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B[dim0][dim1] = puffer;
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}
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watcher2.Stop();
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B = null;
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var C = new int[ALength];
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C = C.Select((x,idx) => idx).ToArray();
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var watcher3 = new System.Diagnostics.Stopwatch();
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watcher3.Start();
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for (int idx = 0; idx < ALength;idx++)
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{
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int dim0 = idx / 10000;
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int dim1 = idx % 10000;
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int puffer = C[idx];
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C[idx] = puffer;
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}
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watcher3.Stop();
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}
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public static void CheckPlusOperation()
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{
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var A = new double[1000][];
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A = A.Select(x => new double[1000]).Select((x,idx) => x.Select((y,jdx) => (double)(idx + jdx) ).ToArray()).ToArray();
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var B = new double[1000][];
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B = B.Select(x => new double[1000]).Select((x,idx) => x.Select((y,jdx) => (double)(idx + jdx) ).ToArray()).ToArray();
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var watch1 = new System.Diagnostics.Stopwatch();
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watch1.Start();
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var C = A.Select((x,idx) => x.Select((y,jdx) => y + A[idx][jdx]).ToArray()).ToArray();
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watch1.Stop();
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A = null;
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B = null;
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var a = new double[1000*1000];
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a = a.Select((x,idx) => (double)idx).ToArray();
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var b = new double[1000*1000];
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b = b.Select((x,idx) => (double)idx).ToArray();
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var watch2 = new System.Diagnostics.Stopwatch();
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watch2.Start();
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var c = a.Select((x,idx) => x + b[idx]).ToArray();
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watch2.Stop();
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a = null;
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b = null;
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}
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public static void CheckMatrixMultiplication()
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{
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var A = new double[1000][];
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A = A.Select(x => new double[1000]).Select((x,idx) => x.Select((y,jdx) => (double)(idx + jdx) ).ToArray()).ToArray();
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var B = new double[1000][];
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B = B.Select(x => new double[1000]).Select((x,idx) => x.Select((y,jdx) => (double)(idx + jdx) ).ToArray()).ToArray();
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int numOfLines = A.GetLength(0);
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int numOfColumns = A[0].GetLength(0);
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int iterator = B[0].GetLength(0);
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var result = new double[numOfLines][];
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result = result.Select(x => new double[numOfColumns]).ToArray();
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var watch1 = new System.Diagnostics.Stopwatch();
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watch1.Start();
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for (int idx = 0; idx < numOfLines;idx++)
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{
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for( int jdx = 0; jdx < numOfColumns; jdx++)
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{
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result[idx][jdx] = 0;
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for (int kdx = 0; kdx < iterator; kdx++)
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{
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result[idx][jdx] += A[idx][kdx] * B[kdx][jdx];
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}
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}
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}
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watch1.Stop();
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var a = new double[]{1,2,3,4,5,6,7,8,9};
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var b = new double[]{8,0,4,2,1,0,8,1,0};
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var c = new double[9];
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for (int idx = 0; idx < 9;idx++)
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{
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int line = idx % 3;
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int column = idx / 3;
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c[idx] = 0;
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for (int kdx = 0; kdx < 3;kdx++)
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{
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c[idx] += a[line + kdx * 3] * b[3 * column + kdx];
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}
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}
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a = new double[1000*1000];
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a = a.Select((x,idx) => (double)idx).ToArray();
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b = new double[1000*1000];
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b = b.Select((x,idx) => (double)idx).ToArray();
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var resultArr = new double[a.Length];
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var watch2 = new System.Diagnostics.Stopwatch();
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watch2.Start();
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for (int idx = 0; idx < a.Length;idx++)
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{
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int line = idx % 1000;
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int column = idx / 1000;
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resultArr[idx] = 0;
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for (int kdx = 0; kdx < iterator;kdx++)
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{
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resultArr[idx] += a[line + kdx * 1000] * b[1000 * column + kdx];
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}
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}
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watch2.Stop();
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}
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}
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}

‎test/NumSharp.Benchmark/Program.cs‎

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using System;
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using System.Linq;
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/*
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[Fact]
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[Fact]
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[Fact]
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*/
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namespace NumSharp.Benchmark
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{
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("Hello World!");
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ArrayTester.Access();
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ArrayTester.CheckPlusOperation();
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ArrayTester.CheckMatrixMultiplication();
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Console.ReadKey();
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}
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}
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}

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