OpenEuphoria

Re: Type-checking performance

• Posted by Patrick Barnes <mrtrick at gmail.com> Feb 01, 2005
• 457 views

Heh... oops.
> }}}
<eucode>
...
> time_elapsed = time()
> for a = 1 to ITER do var1 += 1 end for
> printf(1, "Type1: %f\n", { time() - time_elapsed } )
> 
> time_elapsed = time()
> for a = 1 to ITER do var2 += 1 end for
> printf(1, "Type2: %f\n", { time() - time_elapsed } )
> 
> time_elapsed = time()
> for a = 1 to ITER do var1 += 1 end for
> printf(1, "Type3: %f\n", { time() - time_elapsed } )
This should actually be 'var3 +=1'
> 
> time_elapsed = time()
> for a = 1 to ITER do var4 += 1 end for
> printf(1, "Type4: %f\n", { time() - time_elapsed } )
> </eucode>
{{{

> 
> Outputs this:
> Type1: 0.820000
> Type2: 0.950000
> Type3: 0.830000
> Type4: 0.060000
Now outputs this:
Type1: 0.890000
Type2: 0.910000
Type3: 0.860000
Type4: 0.060000

> The other odd thing here is that Type3 is faster than Type2, even
> though it actually does some computation inside the type.

Now, type3 even beats type1... what's going on?

-- 
MrTrick