Message157732
> > > I recommend that __hash__ should use functools.lru_cache for caching.
> > Why would you do such a thing? A hash value is a single 64-bit slot, no need to add the memory consumption of a whole dictionary and the runtime cost of a LRU eviction policy when you can simply cache the hash in the object itself (like we already do for strings)...
>
> It was a joke (I think). Taking into account the fact that LRU cache
> uses a hashtable and need to calculate the hash of arguments (i.e., the
> Decimal self) to get the cached value of hash.
Damn. Shame on me for not understanding Raymond's humour :-) |
|
Date |
User |
Action |
Args |
2012-04-07 12:35:14 | pitrou | set | recipients:
+ pitrou, rhettinger, jcea, skrah, Jimbofbx, Ramchandra Apte, Jim.Jewett, serhiy.storchaka |
2012-04-07 12:35:14 | pitrou | link | issue14478 messages |
2012-04-07 12:35:14 | pitrou | create | |
|