1 package org.simantics.databoard.tests;
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5 * @author Toni Kalajainen <toni.kalajainen@iki.fi>
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7 public class TestByteVsInt {
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9 public static byte sum(byte a, byte b, byte c, byte d, byte e, byte f) {
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10 return (byte) (a+b+c+d+e+f);
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13 public static int sum(int a, int b, int c, int d, int e, int f) {
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17 public static long sum(long a, long b, long c, long d, long e, long f) {
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21 public static void byteTest() {
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24 long x = System.nanoTime();
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25 byte a = 6, b=3, c=67, d=2, e=-53, f=1;
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26 for (int i=0; i<1000000; i++) {
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27 a = sum(a, b, c, d, e, f);
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28 b = sum(b, c, d, e, f, a);
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29 c = sum(c, d, e, f, a, b);
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30 d = sum(d, e, f, a, b, c);
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31 e = sum(e, f, a, b, c, d);
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32 f = sum(f, a, b, c, d, e);
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34 long y = System.nanoTime();
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35 System.out.println("byte: "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
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39 public static void intTest() {
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42 long x = System.nanoTime();
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43 int a = 6, b=3, c=67, d=2, e=-53, f=1;
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44 for (int i=0; i<1000000; i++) {
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45 a = sum(a, b, c, d, e, f);
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46 b = sum(b, c, d, e, f, a);
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47 c = sum(c, d, e, f, a, b);
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48 d = sum(d, e, f, a, b, c);
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49 e = sum(e, f, a, b, c, d);
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50 f = sum(f, a, b, c, d, e);
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52 long y = System.nanoTime();
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53 System.out.println("int : "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
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57 public static void longTest() {
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60 long x = System.nanoTime();
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61 long a = 6, b=3, c=67, d=2, e=-53, f=1;
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62 for (int i=0; i<1000000; i++) {
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63 a = sum(a, b, c, d, e, f);
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64 b = sum(b, c, d, e, f, a);
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65 c = sum(c, d, e, f, a, b);
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66 d = sum(d, e, f, a, b, c);
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67 e = sum(e, f, a, b, c, d);
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68 f = sum(f, a, b, c, d, e);
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70 long y = System.nanoTime();
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71 System.out.println("long: "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
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77 public static void main(String[] args) {
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