Performance numbers : ts '}.@i.&>: 100000000' 0.58105 2.14749e9 ts '1+ i.100000000' 0.614825 2.14749e9
On Tue, Jan 1, 2019 at 9:59 PM Jimmy Gauvin <[email protected]> wrote: > > Hi, > > all the additions in 1 + i. 5 (or >:5) seem wasteful, I prefer generating one more and dropping the first : > > }. i. >:5 > 1 2 3 4 5 > > but there might be some special code because both appear to have similar performance : > > > > On Tue, Jan 1, 2019 at 1:13 PM 'Pascal Jasmin' via Programming < [email protected]> wrote > > > > iota =: i. : (+ i.) > > > > 1 iota 51 2 3 4 5 > > > > iota is 0 based if monadic, right argument based if dyadic. > > > > if there were more "ascii op codes" an ideal design for every verb would have the monadic version be a "default argument" version of a dyadic form. > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
