On Wed, May 19, 2010 at 7:13 PM, braver delivera...@gmail.com wrote:
On May 18, 11:45 am, Christophe Grand christo...@cgrand.net wrote:
(defn sorted-by? [pred s]
(if-let [ns (next s)]
(let [[a b] s]
(and (pred a b) (recur pred ns)))
true))
(defn reps-sorted2? [dreps]
On May 18, 11:45 am, Christophe Grand christo...@cgrand.net wrote:
(defn sorted-by? [pred s]
(if-let [ns (next s)]
(let [[a b] s]
(and (pred a b) (recur pred ns)))
true))
(defn reps-sorted2? [dreps]
(every? #(sorted-by? = (map first (val %))) dreps))
and it should be as
On May 18, 2010, at 10:45 AM, Christophe Grand wrote:
(every? f coll1 coll2) is not supported.
Is there a reason for this? It seems like an obvious improvement to make
every?, some, etc. take multiple args just like map.
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I have a huge graph of the form
{john {1 {alice 1, bob 3}, 4 {alice 2, stan 1}, alice {1
{john 1, mandy 2}, 2 {john 3, stan 2}}}
It shows for each user days on which he communicated, and for each
day, with whom and how many times he addressed that person.
Essentially this is an adjacency list --
On Tue, May 18, 2010 at 10:18 AM, braver delivera...@gmail.com wrote:
I have a huge graph of the form
{john {1 {alice 1, bob 3}, 4 {alice 2, stan 1}, alice {1
{john 1, mandy 2}, 2 {john 3, stan 2}}}
It shows for each user days on which he communicated, and for each
day, with whom and how
On May 18, 10:27 am, David Nolen dnolen.li...@gmail.com wrote:
On Tue, May 18, 2010 at 10:18 AM, braver delivera...@gmail.com wrote:
The documentation is pretty clear about how pmap works. Your work needs to
be greater than the coordination overhead. You probably need to batch your
work before
On May 18, 2010, at 16:18 , braver wrote:
user= (time (reps-sorted2?
dreps))
Elapsed time: 127606.905 msecs
true
user= (time (reps-sorted1? dreps))
Elapsed time: 8368.616 msecs
true
As you can see, the imperative solution vastly outperforms the
functional one, even though the
2010/5/18 braver delivera...@gmail.com:
On May 18, 10:27 am, David Nolen dnolen.li...@gmail.com wrote:
On Tue, May 18, 2010 at 10:18 AM, braver delivera...@gmail.com wrote:
The documentation is pretty clear about how pmap works. Your work needs to
be greater than the coordination overhead. You
Hi,
On Tue, May 18, 2010 at 4:59 PM, braver delivera...@gmail.com wrote:
On May 18, 10:47 am, Heinz N. Gies he...@licenser.net wrote:
Out of curiosity, can you remove the pmap and run them in the opposite
order? as first (time (reps-sorted1? dreps)) then (time (reps-sorted2?
dreps))?