True, but in practice its easy to have a matrix result hang off an 
@cached_method.



On Monday, July 13, 2015 at 12:15:07 PM UTC+2, Simon King wrote:
>
> Hi Volker and Jori, 
>
> On 2015-07-13, Volker Braun <vbrau...@gmail.com <javascript:>> wrote: 
> > For every matrix dimension there is a parent (MatrixSpace). You are 
> most=20 
> > likely seeing those. Use @fork / @parallel. 
>
> MatrixSpace is supposed to use a weak cache. Hence, if you drop all 
> matrices of a given dimension and base ring, then the corresponding 
> matrix space is supposed to be deallocated. If it isn't, then it's a 
> bug. 
>
> Best regards, 
> Simon 
>
>

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