On linux?  What's the failure mode in your snippet?  The position:
primitive fails?


On Thu, Sep 4, 2014 at 3:36 PM, Chris Muller <asqueaker at gmail.com> wrote:

> Hi Eliot, it looks like any attempt to position a file beyond some
> threshold is causing the primitive failure in Cog VM's released after
> 2776 that I'm seeing.
>
> | file | file:=StandardFileStream newFileNamed: 'mybigfile'.  file binary.
> [1234 timesRepeat: [ file nextPutAll: (ByteArray new: 1 million) ].
> file position: file size - 100 ]
>     ensure: [file close].
>
> Magma uses a random file position for every single object retrieved;
> so the performance of primitiveFileSetPosition is crucial to the
> performance of Magma.
>
> Thanks.
>



-- 
best,
Eliot
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