Vararg Perf

package org.logicmoo.translate.bcel;

/*
On JDK8

 java org.logicmoo.translate.bcel.VarargsPerf

novarg1 2814
vararg1 2748
novarg2 2835
vararg2 3156
novarg1 2809
vararg1 3072
novarg2 2808
vararg2 3022
novarg1 2821
vararg1 3085
novarg2 2823
vararg2 3049
novarg1 2823
vararg1 3083
novarg2 2804
vararg2 3017
novarg1 2817
vararg1 3100
novarg2 2800
vararg2 3035
novarg1 2840
vararg1 3092
novarg2 2791
vararg2 3032
novarg1 2845
vararg1 3040
novarg2 2827
vararg2 3010
novarg1 2851
vararg1 3067
novarg2 2802
vararg2 3115
novarg1 2827
vararg1 3112
novarg2 2985
vararg2 3063
novarg1 2827
vararg1 3066
novarg2 2813
vararg2 3028

 *
 */
public class VarargsPerf {

    public final static void main(String[] args) {

        int n = 10000000;
        int m = 2;
        String p0 = new String("");
        String p1 = new String("");
        String p2 = new String("");
        String p3 = "a3";
        String p4 = new String("");
        long t;

        for (int ij = 0; ij < 10; ij++) {
            t = System.currentTimeMillis();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < m; j++) {
                    nonvararg(p0, p1, p2, p3, p4);
                }
            }
            timeUsed("novarg1 ", t);

            t = System.currentTimeMillis();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < m; j++) {
                    vararg(p0, p1, p2, p3, p4);
                }
            }
            timeUsed("vararg1 ", t);

            t = System.currentTimeMillis();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < m; j++) {
                    nonvararg(p0, p1, p2, p3, p4);
                }
            }
            timeUsed("novarg2 ", t);

            t = System.currentTimeMillis();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < m; j++) {
                    vararg(p0, p1, p2, p3, p4);
                }
            }
            timeUsed("vararg2 ", t);
        }
    }

    final static void timeUsed(String string, long t) {
        long used = System.currentTimeMillis() - t;
        System.err.println(string + used);
    }

    static String s0, s1, s2, s3, s4;
    static String[] saveIt;

    public final static String fooE(String string) {
        return string.toLowerCase();
    }

    final static void nonvararg(String a0, String a1, String a2, String a3, String a4) {
        s0 = fooE(a0);
        elsewhereNVA(a4, a3, a2, a1, a0);
        s1 = fooE(a1);
        elsewhereNVA(a3, a4, a2, a1, a0);
        s2 = fooE(a2);
        elsewhereNVA(a3, a4, a1, a2, a0);
        s3 = fooE(a3);
        elsewhereNVA(a0, a3, a2, a1, a4);
        s4 = fooE(a4);
        elsewhereNVA(a4, a1, a2, a3, a0);

        s0 = fooE(a0);
        s1 = fooE(a1);
        s2 = fooE(a2);
        s3 = fooE(a3);
        s4 = fooE(a4);

    }

    final static void vararg(String... a) {
        s0 = fooE(a[0]);
        elsewhereVA(a[4], a[3], a[2], a[1], a[0]);
        s1 = fooE(a[1]);
        elsewhereVA(a[3], a[4], a[2], a[1], a[0]);
        s2 = fooE(a[2]);
        elsewhereVA(a[3], a[4], a[1], a[2], a[0]);
        s3 = fooE(a[3]);
        elsewhereVA(a[0], a[3], a[2], a[1], a[4]);
        s4 = fooE(a[4]);
        elsewhereVA(a[4], a[1], a[2], a[3], a[0]);

        s0 = fooE(a[0]);
        s1 = fooE(a[1]);
        s2 = fooE(a[2]);
        s3 = fooE(a[3]);
        s4 = fooE(a[4]);
    }

    final static void elsewhereVA(String... a) {
        s0 = fooE(a[0]);
        s1 = fooE(a[1]);
        s2 = fooE(a[2]);
        s3 = fooE(a[3]);
        s4 = fooE(a[4]);
    }

    final static void elsewhereNVA(String a0, String a1, String a2, String a3, String a4) {
        s0 = fooE(a0);
        s1 = fooE(a1);
        s2 = fooE(a2);
        s3 = fooE(a3);
        s4 = fooE(a4);
    }

}