What can you do in that time? In J, nothing. That time is not the time from one user entry to the next, not even the time from the invocation of one user-defined entity to the next, but from one allocation of memory to the next.
I can also use part of my "one hour" to disable all 15!:x foreigns. ----- Original Message ----- From: Dan Bron <[EMAIL PROTECTED]> Date: Monday, April 23, 2007 11:40 am Subject: Re: [Jgeneral] zero > Roger wrote: > > > a. It doesn't just eradicate minus_zero in memory > > that it is allocating. On every allocation of > > memory, it sweeps through every array that it has. > > Then between the time I create a minus zero and the time I cause J > to allocate new memory, J has a minus zero. > > > b. It can make a copy of any read-only arrays and > > work only with that. > > The read-only array is 75% the size of memory+swap. You cannot > copy it. > > > c. Since 15!:x is documented only for x e. i.5, > > it is debatable whether you are using J at all > > if you use stuff such as 15!:6 . > > I consider anything used in the standard library to be J. > Actually, I consider anything conclusions about J which are > empirically validated to be J. > > Or, if you prefer, I can use the documented 15!:0 to call the > documented Windows memory-manipulation APIs to achieve the same > effect as 15!:16 and friends. > > -Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
