Switch implementation

[bioinfornatics]

with ldc and tango (up to date)
$ ldc -O5 -release -enable-inlining test.d
$ time ./test
1500000 1300000 497200000

real	0m4.376s
user	0m4.373s
sys	0m0.001s



D Code
____________________________________
import tango.stdc.stdio: printf;
int NLOOPS = 100000;

int c1, c2, c3;

void f1() { c1++; }
void f2() { c2++; }
void f3() { c3++; }

int main() {
    int i, j;
    for (i = 0; i < NLOOPS; i++) {
        for (j = 0; j < 5000; j++) {
            switch (j) {
                case 140: f1(); break;
                case 300: f1(); break;
                case 1280: f1(); break;
                case 1540: f1(); break;
                case 1660: f1(); break;
                case 1770: f2(); break;
                case 2150: f2(); break;
                case 2190: f1(); break;
                case 2530: f2(); break;
                case 2560: f2(); break;
                case 2590: f1(); break;
                case 2660: f1(); break;
                case 2720: f2(); break;
                case 3010: f1(); break;
                case 3100: f1(); break;
                case 3390: f2(); break;
                case 3760: f1(); break;
                case 3970: f2(); break;
                case 4050: f1(); break;
                case 4140: f1(); break;
                case 4360: f2(); break;
                case 4540: f1(); break;
                case 4600: f2(); break;
                case 4720: f2(); break;
                case 4730: f2(); break;
                case 4740: f2(); break;
                case 4880: f2(); break;
                case 4950: f1(); break;

                default: f3();
            }
        }
    }

    printf("%d %d %d\n", c1, c2, c3);
    return 0;
}