23 lines
1.1 KiB
Java
23 lines
1.1 KiB
Java
public class Benchmark {
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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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long startSequential = System.nanoTime();
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MatrixMultiplication.multiply(matrixA, matrixB, 1);
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long endSequential = System.nanoTime();
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System.out.println("Последовательно (" + size + "x" + size + "): " + (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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MatrixMultiplication.multiply(matrixA, matrixB, numThreads);
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long endParallel = System.nanoTime();
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System.out.println("Параллельно (" + size + "x" + size + ", " + numThreads + " потоков): " +
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(endParallel - startParallel) / 1_000_000 + " ms");
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}
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}
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}
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}
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