lab6
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tasks/savitskiy-al/lab_6/.gitignore
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tasks/savitskiy-al/lab_6/.gitignore
vendored
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@ -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. Comment the next line if you want to
|
||||
# checkin your Azure Web App publish settings, but sensitive information contained
|
||||
# in these scripts will be unencrypted
|
||||
PublishScripts/
|
||||
|
||||
# NuGet Packages
|
||||
*.nupkg
|
||||
# NuGet Symbol Packages
|
||||
*.snupkg
|
||||
# The packages folder can be ignored because of Package Restore
|
||||
**/[Pp]ackages/*
|
||||
# except build/, which is used as an MSBuild target.
|
||||
!**/[Pp]ackages/build/
|
||||
# Uncomment if necessary however generally it will be regenerated when needed
|
||||
#!**/[Pp]ackages/repositories.config
|
||||
# NuGet v3's project.json files produces more ignorable files
|
||||
*.nuget.props
|
||||
*.nuget.targets
|
||||
|
||||
# Microsoft Azure Build Output
|
||||
csx/
|
||||
*.build.csdef
|
||||
|
||||
# Microsoft Azure Emulator
|
||||
ecf/
|
||||
rcf/
|
||||
|
||||
# Windows Store app package directories and files
|
||||
AppPackages/
|
||||
BundleArtifacts/
|
||||
Package.StoreAssociation.xml
|
||||
_pkginfo.txt
|
||||
*.appx
|
||||
*.appxbundle
|
||||
*.appxupload
|
||||
|
||||
# Visual Studio cache files
|
||||
# files ending in .cache can be ignored
|
||||
*.[Cc]ache
|
||||
# but keep track of directories ending in .cache
|
||||
!?*.[Cc]ache/
|
||||
|
||||
# Others
|
||||
ClientBin/
|
||||
~$*
|
||||
*~
|
||||
*.dbmdl
|
||||
*.dbproj.schemaview
|
||||
*.jfm
|
||||
*.pfx
|
||||
*.publishsettings
|
||||
orleans.codegen.cs
|
||||
|
||||
# Including strong name files can present a security risk
|
||||
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
|
||||
#*.snk
|
||||
|
||||
# Since there are multiple workflows, uncomment next line to ignore bower_components
|
||||
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
|
||||
#bower_components/
|
||||
|
||||
# RIA/Silverlight projects
|
||||
Generated_Code/
|
||||
|
||||
# Backup & report files from converting an old project file
|
||||
# to a newer Visual Studio version. Backup files are not needed,
|
||||
# because we have git ;-)
|
||||
_UpgradeReport_Files/
|
||||
Backup*/
|
||||
UpgradeLog*.XML
|
||||
UpgradeLog*.htm
|
||||
ServiceFabricBackup/
|
||||
*.rptproj.bak
|
||||
|
||||
# SQL Server files
|
||||
*.mdf
|
||||
*.ldf
|
||||
*.ndf
|
||||
|
||||
# Business Intelligence projects
|
||||
*.rdl.data
|
||||
*.bim.layout
|
||||
*.bim_*.settings
|
||||
*.rptproj.rsuser
|
||||
*- [Bb]ackup.rdl
|
||||
*- [Bb]ackup ([0-9]).rdl
|
||||
*- [Bb]ackup ([0-9][0-9]).rdl
|
||||
|
||||
# Microsoft Fakes
|
||||
FakesAssemblies/
|
||||
|
||||
# GhostDoc plugin setting file
|
||||
*.GhostDoc.xml
|
||||
|
||||
# Node.js Tools for Visual Studio
|
||||
.ntvs_analysis.dat
|
||||
node_modules/
|
||||
|
||||
# Visual Studio 6 build log
|
||||
*.plg
|
||||
|
||||
# Visual Studio 6 workspace options file
|
||||
*.opt
|
||||
|
||||
# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
|
||||
*.vbw
|
||||
|
||||
# Visual Studio 6 auto-generated project file (contains which files were open etc.)
|
||||
*.vbp
|
||||
|
||||
# Visual Studio 6 workspace and project file (working project files containing files to include in project)
|
||||
*.dsw
|
||||
*.dsp
|
||||
|
||||
# Visual Studio 6 technical files
|
||||
*.ncb
|
||||
*.aps
|
||||
|
||||
# Visual Studio LightSwitch build output
|
||||
**/*.HTMLClient/GeneratedArtifacts
|
||||
**/*.DesktopClient/GeneratedArtifacts
|
||||
**/*.DesktopClient/ModelManifest.xml
|
||||
**/*.Server/GeneratedArtifacts
|
||||
**/*.Server/ModelManifest.xml
|
||||
_Pvt_Extensions
|
||||
|
||||
# Paket dependency manager
|
||||
.paket/paket.exe
|
||||
paket-files/
|
||||
|
||||
# FAKE - F# Make
|
||||
.fake/
|
||||
|
||||
# CodeRush personal settings
|
||||
.cr/personal
|
||||
|
||||
# Python Tools for Visual Studio (PTVS)
|
||||
__pycache__/
|
||||
*.pyc
|
||||
|
||||
# Cake - Uncomment if you are using it
|
||||
# tools/**
|
||||
# !tools/packages.config
|
||||
|
||||
# Tabs Studio
|
||||
*.tss
|
||||
|
||||
# Telerik's JustMock configuration file
|
||||
*.jmconfig
|
||||
|
||||
# BizTalk build output
|
||||
*.btp.cs
|
||||
*.btm.cs
|
||||
*.odx.cs
|
||||
*.xsd.cs
|
||||
|
||||
# OpenCover UI analysis results
|
||||
OpenCover/
|
||||
|
||||
# Azure Stream Analytics local run output
|
||||
ASALocalRun/
|
||||
|
||||
# MSBuild Binary and Structured Log
|
||||
*.binlog
|
||||
|
||||
# NVidia Nsight GPU debugger configuration file
|
||||
*.nvuser
|
||||
|
||||
# MFractors (Xamarin productivity tool) working folder
|
||||
.mfractor/
|
||||
|
||||
# Local History for Visual Studio
|
||||
.localhistory/
|
||||
|
||||
# Visual Studio History (VSHistory) files
|
||||
.vshistory/
|
||||
|
||||
# BeatPulse healthcheck temp database
|
||||
healthchecksdb
|
||||
|
||||
# Backup folder for Package Reference Convert tool in Visual Studio 2017
|
||||
MigrationBackup/
|
||||
|
||||
# Ionide (cross platform F# VS Code tools) working folder
|
||||
.ionide/
|
||||
|
||||
# Fody - auto-generated XML schema
|
||||
FodyWeavers.xsd
|
||||
|
||||
# VS Code files for those working on multiple tools
|
||||
.vscode/*
|
||||
!.vscode/settings.json
|
||||
!.vscode/tasks.json
|
||||
!.vscode/launch.json
|
||||
!.vscode/extensions.json
|
||||
*.code-workspace
|
||||
|
||||
# Local History for Visual Studio Code
|
||||
.history/
|
||||
|
||||
# Windows Installer files from build outputs
|
||||
*.cab
|
||||
*.msi
|
||||
*.msix
|
||||
*.msm
|
||||
*.msp
|
||||
|
||||
# JetBrains Rider
|
||||
*.sln.iml
|
||||
.idea
|
||||
|
||||
##
|
||||
## Visual studio for Mac
|
||||
##
|
||||
|
||||
|
||||
# globs
|
||||
Makefile.in
|
||||
*.userprefs
|
||||
*.usertasks
|
||||
config.make
|
||||
config.status
|
||||
aclocal.m4
|
||||
install-sh
|
||||
autom4te.cache/
|
||||
*.tar.gz
|
||||
tarballs/
|
||||
test-results/
|
||||
|
||||
# Mac bundle stuff
|
||||
*.dmg
|
||||
*.app
|
||||
|
||||
# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
|
||||
# General
|
||||
.DS_Store
|
||||
.AppleDouble
|
||||
.LSOverride
|
||||
|
||||
# Icon must end with two \r
|
||||
Icon
|
||||
|
||||
|
||||
# Thumbnails
|
||||
._*
|
||||
|
||||
# Files that might appear in the root of a volume
|
||||
.DocumentRevisions-V100
|
||||
.fseventsd
|
||||
.Spotlight-V100
|
||||
.TemporaryItems
|
||||
.Trashes
|
||||
.VolumeIcon.icns
|
||||
.com.apple.timemachine.donotpresent
|
||||
|
||||
# Directories potentially created on remote AFP share
|
||||
.AppleDB
|
||||
.AppleDesktop
|
||||
Network Trash Folder
|
||||
Temporary Items
|
||||
.apdisk
|
||||
|
||||
# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
|
||||
# Windows thumbnail cache files
|
||||
Thumbs.db
|
||||
ehthumbs.db
|
||||
ehthumbs_vista.db
|
||||
|
||||
# Dump file
|
||||
*.stackdump
|
||||
|
||||
# Folder config file
|
||||
[Dd]esktop.ini
|
||||
|
||||
# Recycle Bin used on file shares
|
||||
$RECYCLE.BIN/
|
||||
|
||||
# Windows Installer files
|
||||
*.cab
|
||||
*.msi
|
||||
*.msix
|
||||
*.msm
|
||||
*.msp
|
||||
|
||||
# Windows shortcuts
|
||||
*.lnk
|
||||
|
||||
# Vim temporary swap files
|
||||
*.swp
|
||||
25
tasks/savitskiy-al/lab_6/ConsoleApp1/ConsoleApp1.sln
Normal file
25
tasks/savitskiy-al/lab_6/ConsoleApp1/ConsoleApp1.sln
Normal file
@ -0,0 +1,25 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.8.34322.80
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp1", "ConsoleApp1\ConsoleApp1.csproj", "{24793D16-F80E-48B2-8A04-76BD2CB61C1C}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
Release|Any CPU = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{24793D16-F80E-48B2-8A04-76BD2CB61C1C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{24793D16-F80E-48B2-8A04-76BD2CB61C1C}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{24793D16-F80E-48B2-8A04-76BD2CB61C1C}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{24793D16-F80E-48B2-8A04-76BD2CB61C1C}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {D17B9FEE-F4BF-4559-899B-434F4545FF67}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
@ -0,0 +1,14 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<PackageReference Include="BenchmarkDotNet" Version="0.13.11" />
|
||||
</ItemGroup>
|
||||
|
||||
</Project>
|
||||
@ -0,0 +1,110 @@
|
||||
namespace ConsoleApp1
|
||||
{
|
||||
|
||||
public class MatrixService
|
||||
{
|
||||
|
||||
static readonly Random rand = new Random();
|
||||
|
||||
object lockObject = new object();
|
||||
|
||||
|
||||
public double[,] RandomGenerateMatrix(int dimensionsCount)
|
||||
{
|
||||
double[,] result = new double[dimensionsCount, dimensionsCount];
|
||||
for (int i = 0; i < dimensionsCount; i++)
|
||||
{
|
||||
for (int j = 0; j < dimensionsCount; j++)
|
||||
{
|
||||
result[i, j] = rand.NextDouble() * 10;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
public double DeterminantOfMatrix(double[,] matrix, int threadCount)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
|
||||
if (size == 1)
|
||||
{
|
||||
return matrix[0, 0];
|
||||
}
|
||||
else if (size == 2)
|
||||
{
|
||||
return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0];
|
||||
}
|
||||
else
|
||||
{
|
||||
double determinant = 0;
|
||||
|
||||
Parallel.For(0, size, new ParallelOptions { MaxDegreeOfParallelism = threadCount },
|
||||
(i) =>
|
||||
{
|
||||
double[,] subMatrix = GetSubMatrix(matrix, i);
|
||||
double subDeterminant = matrix[0, i] * Determinant(subMatrix);
|
||||
double value = Math.Pow(-1, i) * subDeterminant;
|
||||
lock (lockObject)
|
||||
{
|
||||
determinant += value;
|
||||
}
|
||||
});
|
||||
|
||||
return determinant;
|
||||
}
|
||||
}
|
||||
|
||||
static double[,] GetSubMatrix(double[,] matrix, int columnIndex)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
double[,] subMatrix = new double[size - 1, size - 1];
|
||||
|
||||
for (int i = 1; i < size; i++)
|
||||
{
|
||||
for (int j = 0; j < size; j++)
|
||||
{
|
||||
if (j < columnIndex)
|
||||
{
|
||||
subMatrix[i - 1, j] = matrix[i, j];
|
||||
}
|
||||
else if (j > columnIndex)
|
||||
{
|
||||
subMatrix[i - 1, j - 1] = matrix[i, j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return subMatrix;
|
||||
}
|
||||
|
||||
static double Determinant(double[,] matrix)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
|
||||
if (size == 1)
|
||||
{
|
||||
return matrix[0, 0];
|
||||
}
|
||||
else if (size == 2)
|
||||
{
|
||||
return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0];
|
||||
}
|
||||
else
|
||||
{
|
||||
double determinant = 0;
|
||||
|
||||
for (int i = 0; i < size; i++)
|
||||
{
|
||||
double[,] subMatrix = GetSubMatrix(matrix, i);
|
||||
|
||||
determinant += (int)Math.Pow(-1, i) * matrix[0, i] * Determinant(subMatrix);
|
||||
}
|
||||
|
||||
return determinant;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
83
tasks/savitskiy-al/lab_6/ConsoleApp1/ConsoleApp1/Program.cs
Normal file
83
tasks/savitskiy-al/lab_6/ConsoleApp1/ConsoleApp1/Program.cs
Normal file
@ -0,0 +1,83 @@
|
||||
using BenchmarkDotNet.Attributes;
|
||||
using BenchmarkDotNet.Running;
|
||||
using ConsoleApp1;
|
||||
|
||||
BenchmarkRunner.Run<MatrixTest>();
|
||||
|
||||
//var matrixService = new MatrixService();
|
||||
|
||||
//var matrix = matrixService.RandomGenerateMatrix(3);
|
||||
|
||||
//for(int i = 0; i < matrix.GetLength(0); i++)
|
||||
//{
|
||||
// for (int j = 0; j < matrix.GetLength(0); j++)
|
||||
// {
|
||||
// Console.Write(matrix[i, j] + " ");
|
||||
// }
|
||||
// Console.WriteLine();
|
||||
//}
|
||||
|
||||
//var result1 = matrixService.DeterminantOfMatrix(matrix, 1);
|
||||
//var result2 = matrixService.DeterminantOfMatrix(matrix, 12);
|
||||
|
||||
//Console.WriteLine(result1);
|
||||
//Console.WriteLine(result2);
|
||||
//Console.ReadLine();
|
||||
|
||||
[MemoryDiagnoser]
|
||||
public class MatrixTest
|
||||
{
|
||||
double[,] Matrix5;
|
||||
double[,] Matrix8;
|
||||
double[,] Matrix11;
|
||||
|
||||
|
||||
MatrixService matrixService;
|
||||
|
||||
|
||||
public MatrixTest()
|
||||
{
|
||||
matrixService = new MatrixService();
|
||||
|
||||
Matrix5 = matrixService.RandomGenerateMatrix(5);
|
||||
Matrix8 = matrixService.RandomGenerateMatrix(8);
|
||||
Matrix11 = matrixService.RandomGenerateMatrix(11);
|
||||
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminant5()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix5, 1);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminantParallel5()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix5, 12);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminant8()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix8, 1);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminantParallel8()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix8, 12);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminant11()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix11, 1);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public double MatrixDeterminantParallel11()
|
||||
{
|
||||
return matrixService.DeterminantOfMatrix(Matrix11, 12);
|
||||
}
|
||||
}
|
||||
108
tasks/savitskiy-al/lab_6/README.md
Normal file
108
tasks/savitskiy-al/lab_6/README.md
Normal file
@ -0,0 +1,108 @@
|
||||
# Отчет по лабораторной работе №6
|
||||
|
||||
Выполнил студент гр. ИСЭбд-41 Савицкий А.В.
|
||||
|
||||
## Создание приложения
|
||||
|
||||
Выбрал язык C#, Консольное приложение.
|
||||
Установил библиотеку BenchmarkDotNet для замера производительности.
|
||||
|
||||
Сам алгоритм.
|
||||
``` cs
|
||||
public double DeterminantOfMatrix(double[,] matrix, int threadCount)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
|
||||
if (size == 1)
|
||||
{
|
||||
return matrix[0, 0];
|
||||
}
|
||||
else if (size == 2)
|
||||
{
|
||||
return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0];
|
||||
}
|
||||
else
|
||||
{
|
||||
double determinant = 0;
|
||||
|
||||
Parallel.For(0, size, new ParallelOptions { MaxDegreeOfParallelism = threadCount },
|
||||
(i) =>
|
||||
{
|
||||
double[,] subMatrix = GetSubMatrix(matrix, i);
|
||||
double subDeterminant = matrix[0, i] * Determinant(subMatrix);
|
||||
double value = Math.Pow(-1, i) * subDeterminant;
|
||||
lock (lockObject)
|
||||
{
|
||||
determinant += value;
|
||||
}
|
||||
});
|
||||
|
||||
return determinant;
|
||||
}
|
||||
}
|
||||
|
||||
static double[,] GetSubMatrix(double[,] matrix, int columnIndex)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
double[,] subMatrix = new double[size - 1, size - 1];
|
||||
|
||||
for (int i = 1; i < size; i++)
|
||||
{
|
||||
for (int j = 0; j < size; j++)
|
||||
{
|
||||
if (j < columnIndex)
|
||||
{
|
||||
subMatrix[i - 1, j] = matrix[i, j];
|
||||
}
|
||||
else if (j > columnIndex)
|
||||
{
|
||||
subMatrix[i - 1, j - 1] = matrix[i, j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return subMatrix;
|
||||
}
|
||||
|
||||
static double Determinant(double[,] matrix)
|
||||
{
|
||||
int size = matrix.GetLength(0);
|
||||
|
||||
if (size == 1)
|
||||
{
|
||||
return matrix[0, 0];
|
||||
}
|
||||
else if (size == 2)
|
||||
{
|
||||
return matrix[0, 0] * matrix[1, 1] - matrix[0, 1] * matrix[1, 0];
|
||||
}
|
||||
else
|
||||
{
|
||||
double determinant = 0;
|
||||
|
||||
for (int i = 0; i < size; i++)
|
||||
{
|
||||
double[,] subMatrix = GetSubMatrix(matrix, i);
|
||||
|
||||
determinant += (int)Math.Pow(-1, i) * matrix[0, i] * Determinant(subMatrix);
|
||||
}
|
||||
|
||||
return determinant;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
Проверка работы на матрице 3х3
|
||||
|
||||
|
||||
## Бенчмарки
|
||||
|
||||
Протестируем обычный и параллельный алгоритм определение детерминанта на различной размерности матрицы.
|
||||
|
||||
В ходе экспериментов было установлено, что обработка матрицы размеров больше 12х12 занимает слишком много времени, поэтому для тестирования возьмем матрицы 5х5, 8х8 и 11х11.
|
||||
|
||||
Для тестирование запускаю алгоритм в 1 поток и в 12 потоков
|
||||
|
||||
|
||||
|
||||
Вывод: Параллельный алгоритм работает быстрее только при наличии большого количества операций. Если операций не так много, то обычный алгоритм справляется быстрее.
|
||||
BIN
tasks/savitskiy-al/lab_6/pic/1.png
Normal file
BIN
tasks/savitskiy-al/lab_6/pic/1.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 73 KiB |
BIN
tasks/savitskiy-al/lab_6/pic/2.png
Normal file
BIN
tasks/savitskiy-al/lab_6/pic/2.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 25 KiB |
Loading…
Reference in New Issue
Block a user