Re: [Gems-users] Difference between Opal and Simics Driver

[Mike Marty <mikem@xxxxxxxxxxx>]

When running Ruby with Simics, you get an IPC of 1 (barring any stall time
from the memory system).  This approximates a simple, in-order core.

Opal approximates an out-of-order superscalar SPARC implementation.

--Mike

> hello everyone,
>
> I have recently started using gems. At currently
> I am successfully able to run ruby and opal and
> generate some results for splash bechmarks.
>
> As per my knowledge, we can run ruby with either
> opal or native simics. I want to know what are the
> major difference/limitations of ruby simulation when
> its run using simics instead of opal.
>
>
> Thanks in advance.
>
> - Avadh
>