On 7/12/2010 12:01 PM, John McIntosh wrote:
> I can say that the Cog Stack VM on the iPhone produces numbers like
>
> 48.081 seconds
> 47.858 seconds
>
> The original VM did:
>
> 74.415 seconds
> 74.257 seconds
>
> making the iPhone COG VM 1.55x faster
>
>
> A 2.33ghz mac book pro mac vm 5.7b1 does it in about 8.3 seconds
> with a COG JIT VM 5.8 that takes 2.6 seconds or about 3.2 faster

All of this is exactly in line with our past numbers. Basically, the 
stack VM gives a 1.5x in performance, the JIT adds another 2x on top of 
that for a total of 3x.

Cheers,
   - Andreas