| 21 | "FileChannel alt" }; |
| 22 | |
| 23 | public static void main(String[] args) { |
| 24 | // create buffer |
| 25 | int[] ints = new int[NUM_INTS]; |
| 26 | Random r = new Random(); |
| 27 | for (int i = 0; i < NUM_INTS; i++) |
| 28 | ints[i] = r.nextInt(); |
| 29 | |
| 30 | // run tests |
| 31 | double[][] results = new double[TESTS.length][NUM_TESTS]; |
| 32 | |
| 33 | System.out.print("Running tests... "); |
| 34 | for (int i = 0; i < NUM_TESTS; i++) { |
| 35 | System.out.print(i + " "); |
| 36 | |
| 37 | results[0][i] = time("Buffered DataOutputStream", new IntWriter() { |
| 38 | public void write(int[] ints) { |
| 39 | storeBDO(ints); |
| 40 | } |
| 41 | }, ints); |
| 42 | |
| 43 | results[1][i] = time("DataOutputStream", new IntWriter() { |
| 44 | public void write(int[] ints) { |
| 45 | storeDO(ints); |
| 46 | } |
| 47 | }, ints); |
| 48 | |
| 49 | results[2][i] = time("ObjectOutputStream", new IntWriter() { |
| 50 | public void write(int[] ints) { |
| 51 | storeOO(ints); |
| 52 | } |
| 53 | }, ints); |
| 54 | |
| 55 | results[3][i] = time("FileChannel alt", new IntWriter() { |
| 56 | public void write(int[] ints) { |
| 57 | storeFCAlt(ints); |
| 58 | } |
| 59 | }, ints); |
| 60 | } |
| 61 | System.out.println(); |
| 62 | |
| 63 | // print results |
| 64 | for (int i = 0; i < TESTS.length; i++) { |
| 65 | System.out.print(TESTS[i] + "\t"); |
| 66 | for (int j = 0; j < NUM_TESTS; j++) { |
| 67 | System.out.print(results[i][j] + "\t"); |
| 68 | } |
| 69 | System.out.println(); |
| 70 | } |
| 71 | |
| 72 | // time("FileChannel", new IntWriter() { |
| 73 | // public void write(int[] ints) { |
| 74 | // storeFC(ints); |
| 75 | // } |
| 76 | // }, ints); |
| 77 | } |
| 78 | |
| 79 | private static double time(String name, IntWriter writer, int[] ints) { |
| 80 | long start = System.nanoTime(); |