StaticTuple... naming, maintenance, ...

[John Arbash Meinel]

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Andrew Bennetts wrote:
> John Arbash Meinel wrote:
> [...]
>> 3) I also implemented a custom 'Interner' class, that works basically
>>    like a PySet, but allows lookup and uses half the memory. (1/3rd
>>    the memory of a dict.)
>>
>>    (In loading all of launchpad, 24MB was used for just the dict holding
>>     the interned keys. So I save 16MB just with that.)
> 
> Do you keep weak references to interned items?  Or is that not worth the memory
> and effort?
> 
> -Andrew.

I don't. Adding a weakref slot costs another pointer per object, and
then whatever object allocation overhead it is for the weakref list.

However, they are in a structure that saves them as long as they are
referenced (just like strings, when the last ref goes away, they remove
themselves.)

John
=:->

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