And equality time does depend on the size of the data structure too it
seems:
user=> (def v (doall (range 1000)))
user=> (def v2 (doall (range 1000)))
user=> (time (= v2 v))
"Elapsed time: 2.772923 msecs"
user=> (def v (doall (range 10)))
user=> (def v2 (doall (range 10)))
user=> (time (=
On Mar 11, 6:57 pm, linh wrote:
> i didn't think of that.
> if equality tests is instant, would finding out the difference also be
> instant?
> for example, is this instant: (difference new-set old-set) ?
I don't think so:
(defn set-difference-time-test [n]
(let [s1 (set (apply hash-map
i didn't think of that.
if equality tests is instant, would finding out the difference also be
instant?
for example, is this instant: (difference new-set old-set) ?
On Mar 11, 11:11 pm, Timothy Pratley wrote:
> > This is beacuse my-atom contains a lot
> > of data and I don't want to search for t
> This is beacuse my-atom contains a lot
> of data and I don't want to search for the change.
Just curious, but shouldn't equality tests in Clojure always be
instant regardless of data size due to shared structure? I suppose I'm
curious what 'shared structure' gives and what it doesn't.
--~--~-
Thanks Raffael, I'll try that
On Mar 11, 6:42 pm, Raffael Cavallaro
wrote:
> On Mar 11, 1:24 pm, Raffael Cavallaro
> wrote:
>
> > ;; this just makes a big map atom where integer keys are associated
> > with integer values
>
> should rather be as follows to get integer keyword keys:
>
> (def my-
On Mar 11, 1:24 pm, Raffael Cavallaro
wrote:
> ;; this just makes a big map atom where integer keys are associated
> with integer values
should rather be as follows to get integer keyword keys:
(def my-atom
(atom (assoc (apply hash-map
(take 1000
On Mar 11, 11:20 am, linh wrote:
> According to the API doc, add-watch must have 4 args: a key, a
> reference,
> its old-state and its new state. What I'm missing here is an addtional
> arg that can be passed in some way to update-fn so that update-fn
> knows what entries in my-atom has change
