2.18 on Intel 2670QM @ 2.20 GHz, JVERSION Engine: j701/2011-01-10/11:25 Library: 7.01.088 Platform: Win 64
On Sat, Jul 5, 2014 at 4:09 AM, Raul Miller <[email protected]> wrote: > 0.968881 > ARMv7 > > -- > Raul > > On Saturday, July 5, 2014, Roger Hui <[email protected]> wrote: > > > I have observed a puzzling timing result which may be CPU dependent. > > Please try the following and tell me what ratio you get, and the kind of > > machine you ran it on. Thanks. > > > > On my machine, an XPS L521X Intel Core i7-3632QM @ 2.2 GHz, > > > > x=: 1e6 $ ' ' > > y=: a. {~ ? 1e6 $ 256 > > %/ 100 (6!:2)&> '/:~x' ; '/:~y' > > 2.44133 > > > > Basically, sorting a constant vector of 1-byte ints takes 2.4 times as > long > > as sorting a random vector of 1-byte ints. > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
