On 24/10/2012 08:25, Akio Takano wrote:
Recently I was surprised to see that GHC's retainer profiler treated
boxed arrays as retainer objects. Why are they considered retainers?
I think the intention is to treat all "mutable" objects as retainers,
where thunks are a kind of mutable object. From the code it looks like
both MutableArray# and Array# are treated as retainers though, which is
probably a mistake. I'll fix it so that Array# is not a retainer, and
update the docs to mention that mutable objects are retainers.
Cheers,
Simon
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