Efficient thread-local shared variables
reinz at desk.org
Tue Oct 24 14:30:39 UTC 2006
On Oct 24, 2006, at 12:13 PM, Klaus D. Witzel wrote:
> When you say that insertion/removal is slow, what do you compare
> that to: add/remove to/from an OrderedCollection, or just compared
> to set/get?
I was comparing to a Dictionary which does add/remove in near
In VW a MethodDictionary is implemented as a SortedCollection with
the CompiledMethods sorted by the #identityHash value of their
selector. So inserting/removing involves moving (copying) half of the
collection one slot up/down.
> Have you considered alternatives, any comparisions or ideas that
> you can share?
No, this was a full blown case of premature optimization, I now have
a fast Vocabulary/SearchOrder implementation but haven't progressed
to the real meat of implementing a new namespace system yet :-(
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