However, I believe your memory-mapped file needs only the actual allocation as you can calculate it. ...
On 1/5/07, Michael Berry <[EMAIL PROTECTED] > wrote: > > The quick and helpful answers I get from this list encourage me to ask > more > questions. I hope that is OK. > > In my mental model of how things work, I imagine a J array to be stored > as a > fixed size header (or a header of size that is a function of the array > rank) > followed by the array contents. According to 7!:5, my floating point > array > seems to take up more space that that. This in on 32-bit Windows. > > > $rater_sig02 > 480189 19 > 8**/$rater_sig02 > 72988728 > 7!:5 <'rater_sig02' > 134217728 > (7!:5 <'rater_sig02')%*/$rater_sig02 > 14.7111 > > > In addition to just intellectual curiosity, my practical question is > whether > I need to think about anything beyond the number of elements and the > type of > my array when creating a mapped file to contain it. > > -Michael > > =============== > Michael J. A. Berry > Data Miners, Inc. > +1 617 742 4252 > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick ^me^ at acm. org is my preferred e-mail
-- Devon McCormick ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
