Huh... I can reproduce that 10x speed difference:
timespacex 'c0 17' 0.078233 2.01328e8 timespacex 'c01 17' 0.761976 1.61061e9 c0 ,@((1 0 1 */ ])^:(]`(1"_))) c01 ,@((1 0 1 */ ])^:(]`1:)) This seems bizarre. Thanks, -- Raul On Fri, Dec 1, 2017 at 8:53 AM, 'Mike Day' via Programming <[email protected]> wrote: > In case Arie doesn't get round to it, I note that your (Raul's) msg below > is timed here, in my GMT time-zone, as > "Fri, 1 Dec 2017 08:10:13 -0500" > while Arie's comparison between verbs c0 and c1 is timed as > "Fri, 1 Dec 2017 12:53:58 +0100" - NL presumably. > > In case it's disappeared from your inbox, here they are: > > c0=:,@((1 0 1 */])^:(]`(1"_))) NB. c0 18 ... ~10x faster than > c01=:,@((1 0 1 */])^:(]`(1:))) NB. c01 18 ... ! > > Cheers, > > Mike > > > > On 01/12/2017 13:10, Raul Miller wrote: >> >> I can find a message where you used 1: in the expression, but I >> haven't found any message from you where you talk about 1: vs. 1"_ - >> is it possible I have not received it yet? >> >> Thanks, >> > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
