he, you are trying to open a tree with 1000 columns and 10000 rows. 
that will never work, not like that. 

Esteban

On 26 Jun 2014, at 09:45, Hernán Morales Durand <[email protected]> 
wrote:

> Yes, sorry I forgot that. Pharo 3.0 clean image Latest update: #30850, on 
> Windows 8
> The VM is the one downloaded when you do
> 
> $ wget -O- get.pharo.org/30+vm | bash
> 
> Then you open and press F2, Display version information, CogVM 4.0.0 from May 
> 15 2014.
> 
> Script to reproduce it:
> 
> Smalltalk garbageCollect.
> [  | matrix rows cols tree |
> rows := 10000.
> cols := 1000.
> matrix := Matrix rows: rows columns: cols.    
>  1 to: rows do: [ : r |  
>     1 to: cols do: [ : c |
>         matrix at: r at: c put: SmallInteger maxVal atRandom ] ].
> 
> tree := TreeModel new.
> tree columns: (
>     (1 to: cols) collect: [ : col | 
>         TreeColumnModel new
>             displayBlock: [ : node | (node content at: col) asString ];
>             headerLabel: col asString ]).
> tree roots: ((1 to: rows) collect: [ : nrow | matrix atRow: nrow ]).
> tree openWithSpec ] timeToRun
> 
> Hernán
> 
> 
> 
> 2014-06-26 2:48 GMT-03:00 stepharo <[email protected]>:
> Hi hernan
> 
> Which image?
> What did you loaded?
> Can you reproduce it?
> 
> Can someone explain what does it mean or why it happens?
> Is that a common scenario for you?
> 
> I am measuring execution time for big matrices in CogVM 4.0.0. Image is 
> unresponsive.
> 
> Cheers,
> 
> Hernán
> 
> 
> 
> 

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