[Haskell-cafe] Garbage collecting pointers

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Fri Mar 26 17:21:00 EDT 2010

On Mar 26, 2010, at 16:28 , Mads Lindstrøm wrote:
> For some time I have been thinking about an idea, which could limit
> Haskell's memory footprint. I don't know if the idea is crazy or  
> clever,

This is called pointer tagging.  The original STG design avoided it  
because of the perceived performance loss in removing the tags before  
using the pointer, but as I understand it the current GHC design uses  
limited tagging.

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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