Igor, with high quality hash functions, full linear scans of the whole 
collection hardly ever happen, if at all...

On 3/26/10 6:14 , Igor Stasenko wrote:
> On 25 March 2010 10:27, Levente Uzonyi<leves at elte.hu>  wrote:
>    
>> On Thu, 25 Mar 2010, Igor Stasenko wrote:
>>
>>      
>>> i think that #pointsTo: is a cheat :), which you can use in Sets but
>>> not dictionaries, because
>>> it contains associations. Also, it works only for identity-based
>>> collections.
>>>        
>> Dictionaries don't have to use associations (for example MethodDictionary
>> doesn't use them), that's why #pointsTo: works (MethodDictionary also uses
>> it).
>>
>>      
> But that means a linear scan of the whole collection, even if done primitively,
> this is not scalable.
>
>    
>>>        
>>>> I wonder how LargeIdentityDictionary compares to your dictionaries'.
>>>>
>>>>          
>>> me too.
>>>        
>> If you give me a pointer to the source code, I can run the benchmarks.
>>
>>
>> Levente
>>
>>
>>      
>
>
>