Robert, my impression was that Oleg was just adding to the point that you were making - i.e. that not only is the C code only a bit faster than J, but you also need check that it is portable across platforms and you have to compile for each supported platform etc.... unlike J.
---Robert Cyr wrote: > The intent of the note to the forum was simply to point out > that if properly > used, J can be quite fast and going to C is normally > irrelevant and rarely > worth the trouble. In the example provided, C has a small > speed advantage, > but my tests suggest that with a larger number of selected IP > adresses, J > actualy gains on C. The linux sample code is well written, > but did not > benefit from the extensive testing and profiling often required in a > comercial application. In this case, profiling might have > indicated that > using realloc() is a bit time consuming. > > In fact, I used the wiki format suggested by others as the only way to > submit C code, considering that attached documents are not > permitted on this > forum. > > ---Oleg Kobchenko wrote: > > Is this C code portable? Will it run on Window and Mac? > > You need to compile C sources for each supported platform, > > etc, etc. > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
