34 lines
1.8 KiB
Java
34 lines
1.8 KiB
Java
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public class Main{
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public static void main(String[] args){
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int[] sizes = {100, 300, 500};
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for (int size : sizes) {
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int[][] matrixA = MatrixGenerator.generateMatrix(size);
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int[][] matrixB = MatrixGenerator.generateMatrix(size);
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System.out.println("Размер матрицы: " + size + "x" + size);
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System.out.println("Матрица A:");
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MatrixPrinter.printMatrix(matrixA, 5);
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System.out.println("Матрица B:");
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MatrixPrinter.printMatrix(matrixB, 5);
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long startSequential = System.nanoTime();
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int[][] resultSequential = MatrixMultiplication.multiply(matrixA, matrixB, 1);
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long endSequential = System.nanoTime();
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System.out.println("Результат последовательного умножения:");
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MatrixPrinter.printMatrix(resultSequential, 5);
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System.out.println("Время последовательного умножения: " + (endSequential - startSequential) / 1_000_000 + " ms");
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for (int numThreads : new int[]{2, 4, 8}) {
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long startParallel = System.nanoTime();
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int[][] resultParallel = MatrixMultiplication.multiply(matrixA, matrixB, numThreads);
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long endParallel = System.nanoTime();
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System.out.println("Результат параллельного умножения (" + numThreads + " потоков):");
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MatrixPrinter.printMatrix(resultParallel, 5);
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System.out.println("Время параллельного умножения: " + (endParallel - startParallel) / 1_000_000 + " ms");
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}
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System.out.println("--------------------------------------------------");
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}
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}
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}
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