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Main.cpp wurde angepasst

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This commit is contained in:
Jaroslav Rotormel 2025-12-15 14:32:43 +01:00
parent bedc65ed34
commit 6d084c7d88
1 changed files with 16 additions and 16 deletions
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32
parallel2/main.cpp
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@ -5,9 +5,9 @@
#include <chrono>
#include <omp.h>
// =====================
// Matrizen erzeugen
// =====================
void generateRandomMatrices(int n,
std::vector<std::vector<double>>& A,
std::vector<std::vector<double>>& B,
@ -28,9 +28,9 @@ void generateRandomMatrices(int n,
}
}
// =====================
// Serielle Multiplikation
// =====================
std::vector<std::vector<double>> matmul_serial(const std::vector<std::vector<double>>& A,
const std::vector<std::vector<double>>& B)
{
@ -48,9 +48,9 @@ std::vector<std::vector<double>> matmul_serial(const std::vector<std::vector<dou
return C;
}
// =====================
// Parallele Zeilenzerlegung
// =====================
std::vector<std::vector<double>> matmul_row_parallel(const std::vector<std::vector<double>>& A,
const std::vector<std::vector<double>>& B,
int numThreads)
@ -72,9 +72,9 @@ std::vector<std::vector<double>> matmul_row_parallel(const std::vector<std::vect
return C;
}
// =====================
// Parallele Spaltenzerlegung
// =====================
std::vector<std::vector<double>> matmul_col_parallel(const std::vector<std::vector<double>>& A,
const std::vector<std::vector<double>>& B,
int numThreads)
@ -96,9 +96,9 @@ std::vector<std::vector<double>> matmul_col_parallel(const std::vector<std::vect
return C;
}
// =====================
// Parallele Blockzerlegung
// =====================
std::vector<std::vector<double>> matmul_block_parallel(const std::vector<std::vector<double>>& A,
const std::vector<std::vector<double>>& B,
int blockSize,
@ -123,9 +123,9 @@ std::vector<std::vector<double>> matmul_block_parallel(const std::vector<std::ve
return C;
}
// =====================
// Main
// =====================
int main()
{
int N = 500; // Matrixgröße anpassen
@ -135,25 +135,25 @@ int main()
std::vector<std::vector<double>> A, B;
generateRandomMatrices(N, A, B);
// ---------- Seriell ----------
// Seriell
auto start = std::chrono::steady_clock::now();
auto C_serial = matmul_serial(A, B);
auto end = std::chrono::steady_clock::now();
std::cout << "Seriell: " << std::chrono::duration<double>(end-start).count() << " s\n";
// ---------- Zeilenparallel ----------
// Zeilenparallel
start = std::chrono::steady_clock::now();
auto C_row = matmul_row_parallel(A, B, numThreads);
end = std::chrono::steady_clock::now();
std::cout << "Zeilenparallel: " << std::chrono::duration<double>(end-start).count() << " s\n";
// ---------- Spaltenparallel ----------
// Spaltenparallel
start = std::chrono::steady_clock::now();
auto C_col = matmul_col_parallel(A, B, numThreads);
end = std::chrono::steady_clock::now();
std::cout << "Spaltenparallel: " << std::chrono::duration<double>(end-start).count() << " s\n";
// ---------- Blockparallel ----------
// Blockparallel
start = std::chrono::steady_clock::now();
auto C_block = matmul_block_parallel(A, B, blockSize, numThreads);
end = std::chrono::steady_clock::now();