minmaxMT_test

package tk.evilus;

import java.util.Random;
import java.util.Scanner;

public class minmaxMT_test {

    public long[] doTest(int arr[], int threads) {
        long times[] = new long[3];
        minmax mtThreads[] = new minmax[threads];

        for (int i=0; i<3; i++) {
            long startTest = System.currentTimeMillis();

            for (int j = 0; j<threads; j++) {
                mtThreads[j] = new minmax(j, threads, arr);
            }

            for (int j = 0; j<threads; j++) {
                mtThreads[j].start();
            }

            while (true) {
                try {
                    for (int j = 0; j<threads; j++) {
                        mtThreads[j].join();
                    }
                    break;
                } catch (Exception e) {
                    e.printStackTrace(System.out);
                }

            }


            long endTest = System.currentTimeMillis();
            times[i] = endTest - startTest;
        }

        return times;
    }

    public long[] doTest(double arr[], int threads) {
        long times[] = new long[3];
        minmax mtThreads[] = new minmax[threads];

        for (int i=0; i<3; i++) {
            long startTest = System.currentTimeMillis();

            for (int j = 0; j<threads; j++) {
                mtThreads[j] = new minmax(j, threads, arr);
            }

            for (int j = 0; j<threads; j++) {
                mtThreads[j].start();
            }

            for (int j = 0; j<threads; j++) {
                synchronized(mtThreads[j]) {
                    try {
                        if (mtThreads[j].isAlive()) {
                            mtThreads[j].wait();
                        }
                    } catch (Exception e) {
                        e.printStackTrace(System.out);
                    }
                }
            }

            long endTest = System.currentTimeMillis();
            times[i] = endTest - startTest;
        }

        return times;
    }

    public static void main(String[] args) {
        int c;
        long times[][];
        int arr[];
        double arrD[];
        Random randomMachine = new Random();
        Scanner input = new Scanner(System.in);
        minmaxMT_test m = new minmaxMT_test();

        times = new long[20][];
        for (int i=0; i<20; i++) {
            times[i] = new long[3];
        }

        System.out.print("Podaj rozmiar tablic: ");
        c = input.nextInt();
        input.close();

        System.out.println("Test dla tablicy int: ");
        System.out.println("Lp\tWątki\tRozmiar\t\t\tCzas1\tCzas2\tCzas3\tCzas śr.");

        arr = new int[c];

        for (int i = 0; i<c; i++) {
            arr[i] = randomMachine.nextInt(c);
        }

        for (int i=1; i<=10; i++) {
            System.out.print(i+"\t"+i+"\t"+c+"\t\t\t");
            times[i-1] = m.doTest(arr, i);
            long avgTime = 0;
            for (int j = 0; j<times[i-1].length; j++) {
                avgTime = avgTime+times[i-1][j];
                System.out.print(times[i-1][j]+"\t");
            }
            avgTime = avgTime / times[i-1].length;
            System.out.println(avgTime);
        }

        c = 20*c;
        arr = new int[c];
        for (int i = 0; i<c; i++) {
            arr[i] = randomMachine.nextInt(c);
        }

        for (int i=11; i<=20; i++) {
            System.out.print(i+"\t"+(i-10)+"\t"+c+"\t\t\t");
            times[i-1] = m.doTest(arr, i-10);
            long avgTime = 0;
            for (int j = 0; j<times[i-1].length; j++) {
                avgTime = avgTime+times[i-1][j];
                System.out.print(times[i-1][j]+"\t");
            }
            avgTime = avgTime / times[i-1].length;
            System.out.println(avgTime);
        }

        c = c/20;

        System.out.println("\nTest dla tablicy double: ");
        System.out.println("Lp\tWątki\tRozmiar\t\t\tCzas1\tCzas2\tCzas3\tCzas śr.");

        arrD = new double[c];
        for (int i = 0; i<c; i++) {
            arrD[i] = randomMachine.nextInt(c);
        }

        for (int i=1; i<=10; i++) {
            System.out.print(i+"\t"+i+"\t"+c+"\t\t\t");
            times[i-1] = m.doTest(arrD, i);
            long avgTime = 0;
            for (int j = 0; j<times[i-1].length; j++) {
                avgTime = avgTime+times[i-1][j];
                System.out.print(times[i-1][j]+"\t");
            }
            avgTime = avgTime / times[i-1].length;
            System.out.println(avgTime);
        }

        c = 20*c;
        arrD = new double[c];
        for (int i = 0; i<c; i++) {
            arrD[i] = randomMachine.nextInt(c);
        }

        for (int i=11; i<=20; i++) {
            System.out.print(i+"\t"+(i-10)+"\t"+c+"\t\t\t");
            times[i-1] = m.doTest(arrD, i-10);
            long avgTime = 0;
            for (int j = 0; j<times[i-1].length; j++) {
                avgTime = avgTime+times[i-1][j];
                System.out.print(times[i-1][j]+"\t");
            }
            avgTime = avgTime / times[i-1].length;
            System.out.println(avgTime);
        }
    }
}