[Vm-dev] Spur performance report...

[Tudor Girba]

This is exciting!

Doru


On Wed, Apr 23, 2014 at 12:16 AM, Esteban Lorenzano <estebanlm at gmail.com>wrote:

>
> wow! impressive.
>
> can’t wait to integrate that :)
>
> Esteban
>
> On 23 Apr 2014, at 00:05, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> Hi All,
>
>     I should write a blog post on this, but I can't wait...
>
> In recent days I've written a script to build a Cog VMMaker image from
> Squeak 4.5.  See http://www.squeakvm.org/svn/squeak/branches/Cog/image.
>  This has allowed me to run the current Cog VM against Spur side-to-side.
>
> To build a Cog VMMaker image on my 2.2GHz Intel Core i7 MacBook Pro using
> the current Cog VM takes about 2 and a half minutes:
>
> McStalker.image$ time oscfvm CogVMMaker.image BuildSqueak45Image.st
> real    2m30.671s
> user    2m15.683s
> sys     0m5.283s
>
> To build the equivalent image using Spur takes about 1 and a half minutes:
> McStalker.image$ time spurcfvm CogVMMaker-spur.image BuildSqueak45Image.st
> real    1m34.943s
> user    1m23.666s
> sys     0m6.810s
>
> Comparing:
>
> 94.943 - 150.671 / 150.671 * 100 -36.99
> 83.666 - 135.681 / 135.681 * 100 -38.34
> 150.671 / 94.943 1.59
> 135.681 / 83.666 1.62
>
> that's about a -37% speedup, or 1.6x faster.
> --
> best,
> Eliot
>
>
>
>


-- 
www.tudorgirba.com

"Every thing has its own flow"
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