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Which is faster: array or cursor?
Message
De
09/03/2009 18:17:24
 
 
À
09/03/2009 16:20:41
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Divers
Thread ID:
01386748
Message ID:
01386792
Vues:
117
>>>>>If I had 1000 values that I need to loop through (visit every node sequentially, not skip around) that needed very fast processing and they do not need disk storage... which would be faster... an array or a cursor?
>>>>
>>>>Cursor.
>>>>
>>>Wow really? I've never done any testing, but I assumed the array would be faster. I suppose a quick test with the coverage profiler would tell us for sure.
>>
>>Tables are fastest
>
>I am not so sure here -- in the GKK Comparison tools I have an array that is upto a size of laArray[5000,5000]. This is used for the code comparison algorithm. I tried to use a cursor for this to get rid of the 5000 limit (runs out of memory) and to see if the cursor would be faster than the array.
>
>The array version was considerably faster in performance -- the cursor version was far too slow to be of any value.

I queried Ken Levin on Arrays and he responded that tables were the fastest.
I ain't skeert of nuttin eh?
Yikes! What was that?
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