Re: Computed gotos on Reddit

[Dmitry Olshansky]

On 27-Jul-12 00:38, Walter Bright wrote:

On 7/26/2012 8:55 AM, Dmitry Olshansky wrote:

int test(int i)
{
     switch (i)
     {
         case 3: i += 3; break;
         case 4: i += 4; break;
         case 5: i += 5; break;
         case 6: i += 6; break;
         case 7: i += 7; break;
         case 8: i += 8; break;
         default: i += 100; break;
     }
     return i;
}

Do the above in loop. And more cases of course. Something around 40
should do.

Here's my entire test program. It runs a consistent 5 to 10% slower with
the new method compared with the old. Color me very disappointed.

Thanks. I'll play with it a bit if time permits.



--
Dmitry Olshansky