diff --git a/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix.sln b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix.sln new file mode 100644 index 0000000..79f574a --- /dev/null +++ b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix.sln @@ -0,0 +1,25 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.8.34330.188 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "lab_6_matrix", "lab_6_matrix\lab_6_matrix.csproj", "{50F84649-668E-464D-94A9-7C36E1FCB2FF}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {50F84649-668E-464D-94A9-7C36E1FCB2FF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {50F84649-668E-464D-94A9-7C36E1FCB2FF}.Debug|Any CPU.Build.0 = Debug|Any CPU + {50F84649-668E-464D-94A9-7C36E1FCB2FF}.Release|Any CPU.ActiveCfg = Release|Any CPU + {50F84649-668E-464D-94A9-7C36E1FCB2FF}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {45DFA84B-6962-4667-98B3-13BD962CF727} + EndGlobalSection +EndGlobal diff --git a/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/.gitignore b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/.gitignore new file mode 100644 index 0000000..104b544 --- /dev/null +++ b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/.gitignore @@ -0,0 +1,484 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from `dotnet new gitignore` + +# dotenv files +.env + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET +project.lock.json +project.fragment.lock.json +artifacts/ + +# Tye +.tye/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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+using System.Diagnostics; +using System.Threading; + +class Program +{ + static void Main(string[] args) + { + int matrixSize = 3; // размерность матрицы + + // Создаем матрицу + int[,] matrix = new int[matrixSize, matrixSize]; + + // Заполняем матрицу случайными значениями + Random random = new Random(); + for (int i = 0; i < matrixSize; i++) + { + for (int j = 0; j < matrixSize; j++) + { + matrix[i, j] = random.Next(1, 10); + } + } + + Console.Write("Введите количество потоков: "); + int numThreads = int.Parse(Console.ReadLine()); + + int detSequential = CalculateDeterminantSequential(matrix); + Console.WriteLine($"Детерминант (обычный алгоритм): {detSequential}"); + + int detParallel = CalculateDeterminantParallel(matrix, numThreads); + Console.WriteLine($"Детерминант (параллельный алгоритм, {numThreads} поток): {detParallel}"); + + // Бенчмарки + Console.WriteLine("\nБенчмарки:"); + + // Последовательный алгоритм + Console.WriteLine("Последовательный алгоритм:"); + + // Матрица 5x5 + matrixSize = 5; + matrix = new int[matrixSize, matrixSize]; + FillMatrix(matrix, random); + Stopwatch sw1 = new Stopwatch(); + sw1.Start(); + detSequential = CalculateDeterminantSequential(matrix); + sw1.Stop(); + TimeSpan elapsedTime1 = sw1.Elapsed; + Console.WriteLine($"Матрица {matrixSize}x{matrixSize}: Время выполнения - {elapsedTime1.TotalSeconds:F7} с"); + + // Матрица 10x10 + matrixSize = 10; + matrix = new int[matrixSize, matrixSize]; + FillMatrix(matrix, random); + sw1 = new Stopwatch(); + sw1.Start(); + detSequential = CalculateDeterminantSequential(matrix); + sw1.Stop(); + elapsedTime1 = sw1.Elapsed; + Console.WriteLine($"Матрица {matrixSize}x{matrixSize}: Время выполнения - {elapsedTime1.TotalSeconds:F7} с"); + + // Параллельный алгоритм + Console.WriteLine("\nПараллельный алгоритм:"); + + // Матрица 5x5 + matrixSize = 5; + matrix = new int[matrixSize, matrixSize]; + FillMatrix(matrix, random); + numThreads = 4; + Stopwatch sw2 = new Stopwatch(); + sw2.Start(); + detParallel = CalculateDeterminantParallel(matrix, numThreads); + sw2.Stop(); + TimeSpan elapsedTime2 = sw2.Elapsed; + Console.WriteLine($"Матрица {matrixSize}x{matrixSize}, {numThreads} потоков: Время выполнения - {elapsedTime2.TotalSeconds:F7} с"); + + // Матрица 10x10 + matrixSize = 10; + matrix = new int[matrixSize, matrixSize]; + FillMatrix(matrix, random); + numThreads = 4; + sw2 = new Stopwatch(); + sw2.Start(); + detParallel = CalculateDeterminantParallel(matrix, numThreads); + sw2.Stop(); + elapsedTime2 = sw2.Elapsed; + Console.WriteLine($"Матрица {matrixSize}x{matrixSize}, {numThreads} потоков: Время выполнения - {elapsedTime2.TotalSeconds:F7} с"); + + } + + static void FillMatrix(int[,] matrix, Random random) + { + int n = matrix.GetLength(0); + for (int i = 0; i < n; i++) + { + for (int j = 0; j < n; j++) + { + matrix[i, j] = random.Next(10); // Здесь можно указать диапазон случайных значений, в данном случае от 0 до 9 + } + } + } + + static int CalculateDeterminantSequential(int[,] matrix) + { + int n = matrix.GetLength(0); + if (n == 1) + { + return matrix[0, 0]; + } + else if (n == 2) + { + return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0]; + } + else + { + int determinant = 0; + for (int j = 0; j < n; j++) + { + int[,] subMatrix = new int[n - 1, n - 1]; + for (int i = 1; i < n; i++) + { + for (int k = 0; k < j; k++) + { + subMatrix[i - 1, k] = matrix[i, k]; + } + for (int k = j + 1; k < n; k++) + { + subMatrix[i - 1, k - 1] = matrix[i, k]; + } + } + determinant += (int)Math.Pow(-1, j) * matrix[0, j] * CalculateDeterminantSequential(subMatrix); + } + return determinant; + } + } + + static int CalculateDeterminantParallel(int[,] matrix, int numThreads) + { + int n = matrix.GetLength(0); + if (n == 1) + { + return matrix[0, 0]; + } + else if (n == 2) + { + return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0]; + } + else + { + int determinant = 0; + Parallel.For(0, n, new ParallelOptions { MaxDegreeOfParallelism = numThreads }, j => + { + int[,] subMatrix = new int[n - 1, n - 1]; + for (int i = 1; i < n; i++) + { + for (int k = 0; k < j; k++) + { + subMatrix[i - 1, k] = matrix[i, k]; + } + for (int k = j + 1; k < n; k++) + { + subMatrix[i - 1, k - 1] = matrix[i, k]; + } + } + int subDeterminant = CalculateDeterminantParallel(subMatrix, numThreads); + Interlocked.Add(ref determinant, (int)Math.Pow(-1, j) * matrix[0, j] * subDeterminant); + }); + return determinant; + } + } +} \ No newline at end of file diff --git a/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/lab_6_matrix.csproj b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/lab_6_matrix.csproj new file mode 100644 index 0000000..2150e37 --- /dev/null +++ b/tasks/ostrovskaya-sf/lab_6/lab_6_matrix/lab_6_matrix/lab_6_matrix.csproj @@ -0,0 +1,10 @@ + + + + Exe + net8.0 + enable + enable + + +