Thanks from me too, on behalf of the Mac community. Like Charles, couldn't wait to try it out.
But I ought to report this... Hoping to show-off the difference between 32 and 64 bit, I thought I'd replicate the timings of p17 of At Play With J ... http://www.jsoftware.com/jwiki/Doc/Articles/Play103 factors=: 3 : 0 f=. i. 0 t=. 2 3 5 7 11 13 17 19 23 29 31 37 o=. +/\ 432 $ 4 2 4 2 4 6 2 6 whilst. y >: *: {. t do. whilst. #m do. m=. (-. * t |!.0 y) # t f=. f , m y=. y % */ m end. t=. o + {: t end. /:~ f , y -. 1 ) smoutput 0 : 0 NB. TRY ... factors 576460752303423487x NB. (2^59)-1 extended precision NB. should respond with: 179951 3203431780337 6!:2 'factors 576460752303423487x' 6!:2 'factors 576460752303423487' ) ---- JVERSION Engine: j701/2011-01-10/11:25 Library: 7.01.042 Platform: Darwin 32 Installer: j701a_mac_intel.dmg InstallPath: /Applications/j701 6!:2 'factors 576460752303423487x' 1.42849 6!:2 'factors 576460752303423487' 0.00021698 ---- JVERSION Engine: j701/2011-01-10/11:25 build: Feb 6 2011 16:16:29 Library: 7.01.043 Platform: Darwin 64 Installer: j701a_mac64.dmg InstallPath: /Applications/j64-701 6!:2 'factors 576460752303423487x' 1.19236 6!:2 'factors 576460752303423487' ... lots of disk activity, no reponse. Force Quit after 1 min. ...Tried it twice. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
