forked from v.moiseev/distributed-computing
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1 Commits
mikhailov-
...
mikhailov-
| Author | SHA1 | Date | |
|---|---|---|---|
| dd2cdc1130 |
2
tasks/mikhailov-ys/lab_2/.dockerignore
Normal file
2
tasks/mikhailov-ys/lab_2/.dockerignore
Normal file
@@ -0,0 +1,2 @@
|
||||
*/*/bin
|
||||
*/*/obj
|
||||
@@ -1,7 +1,7 @@
|
||||
## Ignore Visual Studio temporary files, build results, and
|
||||
## files generated by popular Visual Studio add-ons.
|
||||
##
|
||||
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
|
||||
## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
|
||||
|
||||
# User-specific files
|
||||
*.rsuser
|
||||
@@ -93,6 +93,7 @@ StyleCopReport.xml
|
||||
*.tmp_proj
|
||||
*_wpftmp.csproj
|
||||
*.log
|
||||
*.tlog
|
||||
*.vspscc
|
||||
*.vssscc
|
||||
.builds
|
||||
@@ -296,6 +297,17 @@ node_modules/
|
||||
# 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
|
||||
@@ -352,6 +364,9 @@ ASALocalRun/
|
||||
# Local History for Visual Studio
|
||||
.localhistory/
|
||||
|
||||
# Visual Studio History (VSHistory) files
|
||||
.vshistory/
|
||||
|
||||
# BeatPulse healthcheck temp database
|
||||
healthchecksdb
|
||||
|
||||
@@ -364,6 +379,27 @@ MigrationBackup/
|
||||
# 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
|
||||
|
||||
##
|
||||
## Visual studio for Mac
|
||||
##
|
||||
@@ -439,16 +475,3 @@ $RECYCLE.BIN/
|
||||
|
||||
# Windows shortcuts
|
||||
*.lnk
|
||||
|
||||
# JetBrains Rider
|
||||
.idea/
|
||||
*.sln.iml
|
||||
|
||||
##
|
||||
## Visual Studio Code
|
||||
##
|
||||
.vscode/*
|
||||
!.vscode/settings.json
|
||||
!.vscode/tasks.json
|
||||
!.vscode/launch.json
|
||||
!.vscode/extensions.json
|
||||
28
tasks/mikhailov-ys/lab_2/Lab_2.sln
Normal file
28
tasks/mikhailov-ys/lab_2/Lab_2.sln
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@@ -0,0 +1,28 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.0.31903.59
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-1", "worker-1\worker-1.csproj", "{1B2479E1-B738-43B3-BD2E-0A8E0A72081D}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-2", "worker-2\worker-2.csproj", "{0F8A06E1-9249-412F-886F-8C0D24057473}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
Release|Any CPU = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{1B2479E1-B738-43B3-BD2E-0A8E0A72081D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{1B2479E1-B738-43B3-BD2E-0A8E0A72081D}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{1B2479E1-B738-43B3-BD2E-0A8E0A72081D}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{1B2479E1-B738-43B3-BD2E-0A8E0A72081D}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{0F8A06E1-9249-412F-886F-8C0D24057473}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{0F8A06E1-9249-412F-886F-8C0D24057473}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{0F8A06E1-9249-412F-886F-8C0D24057473}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{0F8A06E1-9249-412F-886F-8C0D24057473}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
54
tasks/mikhailov-ys/lab_2/Readme.md
Normal file
54
tasks/mikhailov-ys/lab_2/Readme.md
Normal file
@@ -0,0 +1,54 @@
|
||||
# Отчёт по лабораторной работе №2
|
||||
Выполнил: студент гр. ИСЭбд-41 Михайлов Юрий.
|
||||
|
||||
Задание программы 1: Ищет в каталоге /var/data самый большой по объёму файл и перекладывает его в /var/result/data.txt.
|
||||
Задание программы 2: Ищет набольшее число из файла /var/data/data.txt и сохраняет его вторую степень в /var/result/result.txt.
|
||||
|
||||
# Создание приложений
|
||||
|
||||
Создаем 2 приложения с помощью команды:
|
||||
|
||||
```yam
|
||||
dotnet new console -o worker-1
|
||||
dotnet new console -o worker-2
|
||||
```
|
||||
Пр№ 1: Ищет в каталоге /var/data самый большой по объёму файл и перекладывает его в /var/result/data.txt.
|
||||
|
||||
[Текст программы worker-1](worker-1/Program.cs)
|
||||
|
||||
Пр№ 2: Ищет набольшее число из файла /var/data/data.txt и сохраняет его вторую степень в /var/result/result.txt.
|
||||
|
||||
[Текст программы worker-2](worker-2/Program.cs)
|
||||
|
||||
Cоздали файл [.gitignore](.gitignore) с помощью команды dotnet new gitignore.
|
||||
|
||||
# Настройка окуржения
|
||||
|
||||
Для обеспечения взаимодействия между двумя приложениями мы применили следующий подход:
|
||||
|
||||
Для каждого приложения были разработаны файлы Dockerfile ([программа 1](worker-1/Dockerfile), [программа 2](worker-1/Dockerfile)) с подробным описанием процесса сборки.
|
||||
|
||||
Также был создан файл [docker-compose.yml](docker-compose.yml), в котором указан манифест для запуска распределённого приложения.
|
||||
|
||||
Также был создан файл [.dockerignore](.dockerignore) и дополнен [.gitignore](.gitignore), чтобы исключить для сборки и коммита всё лишнее.
|
||||
|
||||
# Сборка и запуск
|
||||
|
||||
В каталог ./data помещены 2 файла: another_data.txt и data.txt.
|
||||
Для запуска приложения необходимо ввести команду `docker compose up --build`.
|
||||
|
||||
Результат запуска после сборки:
|
||||
```
|
||||
[+] Running 3/3
|
||||
✔ Network lab_2_default Created 0.1s
|
||||
✔ Container lab_2-worker-1-1 Created 0.1s
|
||||
✔ Container lab_2-worker-2-1 Created 0.1s
|
||||
Attaching to lab_2-worker-1-1, lab_2-worker-2-1
|
||||
lab_2-worker-1-1 | Файл перемещен.
|
||||
lab_2-worker-1-1 exited with code 0
|
||||
lab_2-worker-2-1 | Мax число из файла: 14
|
||||
lab_2-worker-2-1 | Вторая стпень Max числа: 196
|
||||
lab_2-worker-2-1 exited with code 0
|
||||
```
|
||||
В результате 1 работы в каталоге `./result` создался файл `data.txt`.
|
||||
В результате 2 работы в каталоге `./result` создался файл `result.txt` с содержимым `196`, что соответствует входным данным.
|
||||
5
tasks/mikhailov-ys/lab_2/data/another_data.txt
Normal file
5
tasks/mikhailov-ys/lab_2/data/another_data.txt
Normal file
@@ -0,0 +1,5 @@
|
||||
10
|
||||
10
|
||||
10
|
||||
10
|
||||
10
|
||||
14
tasks/mikhailov-ys/lab_2/data/data.txt
Normal file
14
tasks/mikhailov-ys/lab_2/data/data.txt
Normal file
@@ -0,0 +1,14 @@
|
||||
1
|
||||
2
|
||||
3
|
||||
4
|
||||
5
|
||||
6
|
||||
7
|
||||
8
|
||||
9
|
||||
10
|
||||
11
|
||||
12
|
||||
13
|
||||
14
|
||||
13
tasks/mikhailov-ys/lab_2/docker-compose.yml
Normal file
13
tasks/mikhailov-ys/lab_2/docker-compose.yml
Normal file
@@ -0,0 +1,13 @@
|
||||
version: "3.1"
|
||||
services:
|
||||
worker-1:
|
||||
build: ./worker-1
|
||||
volumes:
|
||||
- ./data:/var/data
|
||||
- ./result:/var/result
|
||||
worker-2:
|
||||
build: ./worker-2
|
||||
volumes:
|
||||
- ./result:/var/result
|
||||
depends_on:
|
||||
- worker-1
|
||||
14
tasks/mikhailov-ys/lab_2/result/data.txt
Normal file
14
tasks/mikhailov-ys/lab_2/result/data.txt
Normal file
@@ -0,0 +1,14 @@
|
||||
1
|
||||
2
|
||||
3
|
||||
4
|
||||
5
|
||||
6
|
||||
7
|
||||
8
|
||||
9
|
||||
10
|
||||
11
|
||||
12
|
||||
13
|
||||
14
|
||||
1
tasks/mikhailov-ys/lab_2/result/result.txt
Normal file
1
tasks/mikhailov-ys/lab_2/result/result.txt
Normal file
@@ -0,0 +1 @@
|
||||
196
|
||||
17
tasks/mikhailov-ys/lab_2/worker-1/Dockerfile
Normal file
17
tasks/mikhailov-ys/lab_2/worker-1/Dockerfile
Normal file
@@ -0,0 +1,17 @@
|
||||
#задаем базовый образ на .net 6.0
|
||||
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
|
||||
#задаем рабочую директорию
|
||||
WORKDIR /app
|
||||
|
||||
#в каталог копируем файлы и папки в контейнер
|
||||
COPY . /app
|
||||
#создаем образы и устанавливаем данные пакеты в контейнер
|
||||
RUN dotnet restore
|
||||
COPY . .
|
||||
RUN dotnet publish -c Release -o /publish
|
||||
|
||||
FROM mcr.microsoft.com/dotnet/aspnet:6.0 as runtime
|
||||
WORKDIR /publish
|
||||
COPY --from=build-env /publish .
|
||||
#вызываем приложение во время выполнения контейнера
|
||||
ENTRYPOINT ["dotnet", "worker-1.dll"]
|
||||
37
tasks/mikhailov-ys/lab_2/worker-1/Program.cs
Normal file
37
tasks/mikhailov-ys/lab_2/worker-1/Program.cs
Normal file
@@ -0,0 +1,37 @@
|
||||
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Text;
|
||||
|
||||
|
||||
|
||||
string[] files = Directory.GetFiles("../var/data");
|
||||
string maxFilePath = "";
|
||||
long maxFileSize = 0;
|
||||
|
||||
foreach (var filePath in files)
|
||||
{
|
||||
FileInfo fileInfo = new FileInfo(filePath);
|
||||
|
||||
if (fileInfo.Length > maxFileSize)
|
||||
{
|
||||
maxFileSize = fileInfo.Length;
|
||||
maxFilePath = filePath;
|
||||
}
|
||||
}
|
||||
|
||||
using (FileStream sourceStream = File.OpenRead(maxFilePath))
|
||||
{
|
||||
byte[] buffer = new byte[sourceStream.Length];
|
||||
await sourceStream.ReadAsync(buffer, 0, buffer.Length);
|
||||
string text = Encoding.Default.GetString(buffer);
|
||||
|
||||
using (FileStream targetStream = new FileStream("../var/result/data.txt", FileMode.OpenOrCreate))
|
||||
{
|
||||
targetStream.SetLength(0);
|
||||
byte[] textBytes = Encoding.Default.GetBytes(text);
|
||||
await targetStream.WriteAsync(textBytes, 0, textBytes.Length);
|
||||
}
|
||||
}
|
||||
|
||||
Console.WriteLine("Файл перемещен.");
|
||||
@@ -3,12 +3,9 @@
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net6.0</TargetFramework>
|
||||
<RootNamespace>worker_1</RootNamespace>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<PackageReference Include="BenchmarkDotNet" Version="0.13.11" />
|
||||
</ItemGroup>
|
||||
|
||||
</Project>
|
||||
17
tasks/mikhailov-ys/lab_2/worker-2/Dockerfile
Normal file
17
tasks/mikhailov-ys/lab_2/worker-2/Dockerfile
Normal file
@@ -0,0 +1,17 @@
|
||||
#задаем базовый образ на .net 6.0
|
||||
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
|
||||
#задаем рабочую директорию
|
||||
WORKDIR /src
|
||||
|
||||
#в каталог копируем файлы и папки в контейнер
|
||||
COPY . ./
|
||||
#создаем образы и устанавливаем данные пакеты в контейнер
|
||||
RUN dotnet restore
|
||||
COPY . .
|
||||
RUN dotnet publish -c Release -o /publish
|
||||
|
||||
FROM mcr.microsoft.com/dotnet/aspnet:6.0 as runtime
|
||||
WORKDIR /publish
|
||||
COPY --from=build-env /publish .
|
||||
#вызываем приложение во время выполнения контейнера
|
||||
ENTRYPOINT ["dotnet", "worker-2.dll"]
|
||||
34
tasks/mikhailov-ys/lab_2/worker-2/Program.cs
Normal file
34
tasks/mikhailov-ys/lab_2/worker-2/Program.cs
Normal file
@@ -0,0 +1,34 @@
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Text;
|
||||
|
||||
string[] numbers;
|
||||
using (FileStream fstream = File.OpenRead("/var/result/data.txt"))
|
||||
{
|
||||
byte[] buffer = new byte[fstream.Length];
|
||||
await fstream.ReadAsync(buffer, 0, buffer.Length);
|
||||
string text = Encoding.Default.GetString(buffer);
|
||||
text = text.Replace("\r\n", ";");
|
||||
numbers = text.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
|
||||
}
|
||||
|
||||
int maxNumber = int.MinValue;
|
||||
foreach (var number in numbers)
|
||||
{
|
||||
int currentNumber = Convert.ToInt32(number);
|
||||
if (currentNumber > maxNumber)
|
||||
{
|
||||
maxNumber = currentNumber;
|
||||
}
|
||||
}
|
||||
|
||||
int maxNumberSquared = maxNumber * maxNumber;
|
||||
|
||||
using (FileStream fstream = new FileStream("/var/result/result.txt", FileMode.OpenOrCreate))
|
||||
{
|
||||
byte[] buffer = Encoding.Default.GetBytes(maxNumberSquared.ToString());
|
||||
await fstream.WriteAsync(buffer, 0, buffer.Length);
|
||||
}
|
||||
|
||||
Console.WriteLine("Мax число из файла: " + maxNumber);
|
||||
Console.WriteLine("Вторая степень Max числа: " + maxNumberSquared);
|
||||
11
tasks/mikhailov-ys/lab_2/worker-2/worker-2.csproj
Normal file
11
tasks/mikhailov-ys/lab_2/worker-2/worker-2.csproj
Normal file
@@ -0,0 +1,11 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net6.0</TargetFramework>
|
||||
<RootNamespace>worker_2</RootNamespace>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -1,173 +0,0 @@
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Threading.Tasks;
|
||||
using BenchmarkDotNet.Attributes;
|
||||
using BenchmarkDotNet.Running;
|
||||
|
||||
public class MatrixMultiplication
|
||||
{
|
||||
public static int[][] MultiplySequential(int[][] matrixA, int[][] matrixB)
|
||||
{
|
||||
int rowsA = matrixA.Length;
|
||||
int colsA = matrixA[0].Length;
|
||||
int colsB = matrixB[0].Length;
|
||||
|
||||
int[][] result = new int[rowsA][];
|
||||
|
||||
for (int i = 0; i < rowsA; i++)
|
||||
{
|
||||
result[i] = new int[colsB];
|
||||
|
||||
for (int j = 0; j < colsB; j++)
|
||||
{
|
||||
for (int k = 0; k < colsA; k++)
|
||||
{
|
||||
result[i][j] += matrixA[i][k] * matrixB[k][j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
public static int[][] MultiplyParallel(int[][] matrixA, int[][] matrixB, int numThreads)
|
||||
{
|
||||
int rowsA = matrixA.Length;
|
||||
int colsA = matrixA[0].Length;
|
||||
int colsB = matrixB[0].Length;
|
||||
|
||||
int[][] result = new int[rowsA][];
|
||||
|
||||
Parallel.For(0, rowsA, new ParallelOptions { MaxDegreeOfParallelism = numThreads }, i =>
|
||||
{
|
||||
result[i] = new int[colsB];
|
||||
|
||||
for (int j = 0; j < colsB; j++)
|
||||
{
|
||||
for (int k = 0; k < colsA; k++)
|
||||
{
|
||||
result[i][j] += matrixA[i][k] * matrixB[k][j];
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public void MultiplySequential_100x100()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(100, 100);
|
||||
int[][] matrixB = GenerateRandomMatrix(100, 100);
|
||||
MultiplySequential(matrixA, matrixB);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_100x100_4TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(100, 100);
|
||||
int[][] matrixB = GenerateRandomMatrix(100, 100);
|
||||
MultiplyParallel(matrixA, matrixB, 4);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_100x100_8TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(100, 100);
|
||||
int[][] matrixB = GenerateRandomMatrix(100, 100);
|
||||
MultiplyParallel(matrixA, matrixB, 8);
|
||||
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_100x100_16TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(100, 100);
|
||||
int[][] matrixB = GenerateRandomMatrix(100, 100);
|
||||
MultiplyParallel(matrixA, matrixB, 16);
|
||||
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public void MultiplySequential_300x300()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(300, 300);
|
||||
int[][] matrixB = GenerateRandomMatrix(300, 300);
|
||||
MultiplySequential(matrixA, matrixB);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_300x300_4TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(300, 300);
|
||||
int[][] matrixB = GenerateRandomMatrix(300, 300);
|
||||
MultiplyParallel(matrixA, matrixB, 4);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_300x300_8TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(300, 300);
|
||||
int[][] matrixB = GenerateRandomMatrix(300, 300);
|
||||
MultiplyParallel(matrixA, matrixB, 8);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_300x300_16TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(300, 300);
|
||||
int[][] matrixB = GenerateRandomMatrix(300, 300);
|
||||
MultiplyParallel(matrixA, matrixB, 16);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplySequential_500x500()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(500, 500);
|
||||
int[][] matrixB = GenerateRandomMatrix(500, 500);
|
||||
MultiplySequential(matrixA, matrixB);
|
||||
}
|
||||
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_500x500_4TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(500, 500);
|
||||
int[][] matrixB = GenerateRandomMatrix(500, 500);
|
||||
MultiplyParallel(matrixA, matrixB, 4);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_500x500_8TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(500, 500);
|
||||
int[][] matrixB = GenerateRandomMatrix(500, 500);
|
||||
MultiplyParallel(matrixA, matrixB, 8);
|
||||
}
|
||||
[Benchmark]
|
||||
public void MultiplyParallel_500x500_16TH()
|
||||
{
|
||||
int[][] matrixA = GenerateRandomMatrix(500, 500);
|
||||
int[][] matrixB = GenerateRandomMatrix(500, 500);
|
||||
MultiplyParallel(matrixA, matrixB, 16);
|
||||
}
|
||||
private static int[][] GenerateRandomMatrix(int rows, int cols)
|
||||
{
|
||||
int[][] matrix = new int[rows][];
|
||||
|
||||
Random rand = new Random();
|
||||
|
||||
for (int i = 0; i < rows; i++)
|
||||
{
|
||||
matrix[i] = new int[cols];
|
||||
for (int j = 0; j < cols; j++)
|
||||
{
|
||||
matrix[i][j] = rand.Next(1, 10);
|
||||
}
|
||||
}
|
||||
|
||||
return matrix;
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
var summary = BenchmarkRunner.Run<MatrixMultiplication>();
|
||||
Console.ReadLine();
|
||||
}
|
||||
}
|
||||
@@ -1,66 +0,0 @@
|
||||
# Отчёт по лабораторной работе №5
|
||||
|
||||
Выполнил: студент гр. ИСЭбд-41 Михайлов Ю.С.
|
||||
|
||||
## Запуск приложения
|
||||
|
||||
Было выбрано консольное приложение, язык программирования - C#.
|
||||
|
||||
Перемножение матриц обычным алгоритмом:
|
||||
```
|
||||
public static int[][] MultiplySequential(int[][] matrixA, int[][] matrixB)
|
||||
{
|
||||
int rowsA = matrixA.Length;
|
||||
int colsA = matrixA[0].Length;
|
||||
int colsB = matrixB[0].Length;
|
||||
|
||||
int[][] result = new int[rowsA][];
|
||||
|
||||
for (int i = 0; i < rowsA; i++)
|
||||
{
|
||||
result[i] = new int[colsB];
|
||||
|
||||
for (int j = 0; j < colsB; j++)
|
||||
{
|
||||
for (int k = 0; k < colsA; k++)
|
||||
{
|
||||
result[i][j] += matrixA[i][k] * matrixB[k][j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
```
|
||||
|
||||
Перемножение матриц параллельным алгоритмом:
|
||||
```
|
||||
public static int[][] MultiplyParallel(int[][] matrixA, int[][] matrixB, int numThreads)
|
||||
{
|
||||
int rowsA = matrixA.Length;
|
||||
int colsA = matrixA[0].Length;
|
||||
int colsB = matrixB[0].Length;
|
||||
|
||||
int[][] result = new int[rowsA][];
|
||||
|
||||
Parallel.For(0, rowsA, new ParallelOptions { MaxDegreeOfParallelism = numThreads }, i =>
|
||||
{
|
||||
result[i] = new int[colsB];
|
||||
|
||||
for (int j = 0; j < colsB; j++)
|
||||
{
|
||||
for (int k = 0; k < colsA; k++)
|
||||
{
|
||||
result[i][j] += matrixA[i][k] * matrixB[k][j];
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return result;
|
||||
}
|
||||
```
|
||||
|
||||
## Результаты
|
||||
|
||||

|
||||
Вывод: если в матрице не слишком много элементов, обычный алгоритм работает быстрее. Параллельный алгоритм следует использовать для обработки большого количества данных. В сравнении с однопоточным алгоритмом, работа параллельного в несколько раз быстрее.
|
||||
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|
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Reference in New Issue
Block a user