[Vm-dev] [Pharo-project] jenkins cog - slow monticello on osx

[Mariano Martinez Peck]

On Thu, Sep 22, 2011 at 9:57 PM, David T. Lewis <lewis at mail.msen.com> wrote:

>
> Check to see if your VM has ZipPlugin (Smalltalk listBuiltinModules).
>

Good point.  I see it.
Doru, do you ?


> This has a big effect on Monticello performance.
>
> Dave
>
> On Thu, Sep 22, 2011 at 07:32:17PM +0200, Tudor Girba wrote:
> >
> > Hi,
> >
> > I looked a bit into the slowness of the OS X Jenkins Cog VM with
> Monticello. The problem exists and it is reproducible.
> >
> > I performed the following experiments using the following script:
> >
> > Time millisecondsToRun:
> >               [ 1 to: 100 do: [:x |
> >                       | window |
> >                       window := MCWorkingCopyBrowser new show.
> >                       window delete ] ]
> >
> > I ran it on the same image using the following vms (on Mac OS X Lion):
> > - Jenkins VM from 31.08.2011
> > - Cog VM r2489
> >
> > I ran the scenario twice with two different setups:
> >
> > 1. I placed the image in an empty folder:
> >
> > Cog VM 2389: 4808 ms
> > Jenkins VM: 7345 ms
> >
> > 2. I places the image in a folder that already had a large package-cache
> with 7400 mcz files:
> > Cog VM: 4867 ms
> > Jenkins VM:    50754 ms
> >
> >
> > So:
> > - even if there is no package cache, the Jenkins VM seems to perform 1.5
> times slower
> > - when there is a package-cache, it becomes hardly unusable.
> >
> > Cheers,
> > Doru
> >
> >
> > On 8 Sep 2011, at 12:10, Tudor Girba wrote:
> >
> > > Hi,
> > >
> > > I did not forget about this, but I did not have enough time yet.
> > >
> > > Cheers,
> > > Doru
> > >
> > >
> > > On 26 Aug 2011, at 14:40, Igor Stasenko wrote:
> > >
> > >>
> > >> On 26 August 2011 13:30, Tudor Girba <tudor at tudorgirba.com> wrote:
> > >>> Hi,
> > >>>
> > >>> Since a couple of weeks I am working with the Cog VM built on
> Jenkins:
> > >>> https://ci.lille.inria.fr/pharo/view/Cog/job/Cog-Mac-Cocoa/
> > >>>
> > >>> Here is a little feedback. It worked quite well, the only problem is
> that Monticello is really slow in the Moose image. This means that even
> opening the Monticello Browser takes several seconds.
> > >>>
> > >>> I thought that this might be induced by something in the Moose image,
> but if I try with the Elliot's VM (2489), it works blazingly fast.
> > >>>
> > >>
> > >> Thanks for the  information, Tudor.
> > >> Apparently the difference between Eliot's VM and Cog-Mac-Cocoa that
> > >> they are using different frameworks
> > >> (Carbon vs Cocoa)
> > >> and i don't know too much details about the difference there.
> > >> John or Esteban may have better insights how to fix that.
> > >>
> > >>> Cheers,
> > >>> Doru
> > >>>
> > >>>
> > >>> --
> > >>> www.tudorgirba.com
> > >>>
> > >>> "The coherence of a trip is given by the clearness of the goal."
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >>
> > >> --
> > >> Best regards,
> > >> Igor Stasenko AKA sig.
> > >
> > > --
> > > www.tudorgirba.com
> > >
> > > "Yesterday is a fact.
> > > Tomorrow is a possibility.
> > > Today is a challenge."
> > >
> > >
> > >
> >
> > --
> > www.tudorgirba.com
> >
> > "Sometimes the best solution is not the best solution."
>



-- 
Mariano
http://marianopeck.wordpress.com
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