I guess the answer there is: mostly, it doesn't matter. Except, when it does.
Thanks, -- Raul On Mon, Mar 5, 2018 at 5:24 PM, Ian Clark <earthspo...@gmail.com> wrote: > Concerning the page: > http://code.jsoftware.com/wiki/Vocabulary/SpecialCombinations > > The dust kicked up when horns are locked is obscuring for me some important > pragmatic questions, to which I personally would like to know the answers. > Let me break them down as follows: > > 1. Why is it good for anyone but a speed-freak to know about J's hidden > speedups? > > 2. Ditto for people starting out learning to code seriously in J? > > 3. Ditto for people who are just curious about J? > > 4. Why is it good to have an exhaustive reference to J's hidden speedups in > NuVoc, of all places (the beginner's way-into the J world)? > > 5. How well hidden are J's "hidden" speedups? > Is a beginner so likely to fall foul of them that a good knowledge of them > is needed right from Day 1? > What does this say to the J-curious about the design of the language? > > 6. Why does J need speedups at all, hidden or otherwise? > If it does, why bother to hide them? Why not just have libraries of faster > alternatives to common idioms? > Package them as Foreigns if we want to persist in avoiding expressive > reserved names. > > Does J need hidden speedups because a central feature of J (subtle > bolting-together of array-savvy functions to make new ones) denies you the > scope to code efficiently, which is inherent in looping scalar languages? > This surely must be uppermost in the minds of C++ programmers (and others) > as they approach J. > > For those of us who've been writing J for decades, question 6 will seem > like a non-issue. Languages have "optimization" like houses have plumbing. > Period. But to people shopping for a new and better language, either to > learn themselves or to recruit / train their development teams in, I'd say > 6 is the most important issue of all where J is concerned. > > On Mon, Mar 5, 2018 at 6:48 PM, Raul Miller <rauldmil...@gmail.com> wrote: > >> Yes. >> >> Thanks, >> >> -- >> Raul >> >> >> >> >> On Mon, Mar 5, 2018 at 1:40 PM, james faure <james.fa...@epitech.eu> >> wrote: >> > Is that a serious question ? After all the time I spent explaining the >> alternative ? >> > >> > ________________________________ >> > From: Chat <chat-boun...@forums.jsoftware.com> on behalf of Raul Miller >> <rauldmil...@gmail.com> >> > Sent: Monday, March 5, 2018 7:38:27 PM >> > To: Chat forum >> > Subject: Re: [Jchat] Where is J going ? >> > >> > Why do you think optimizations are bad? >> > >> > Thanks, >> > >> > -- >> > Raul >> > >> > >> > On Mon, Mar 5, 2018 at 1:30 PM, james faure <james.fa...@epitech.eu> >> wrote: >> >> I mean Special combination: http://code.jsoftware.com/wiki/Vocabulary/ >> SpecialCombinations >> >> >> >> Vocabulary/SpecialCombinations - J Wiki<http://code.jsoftware. >> com/wiki/Vocabulary/SpecialCombinations> >> >> code.jsoftware.com >> >> J typically executes verbs one by one, right-to-left, each verb not >> knowing what is coming next a =: 1000 1000 ?@$ 0 NB. 1 million random >> values in a 1000 by 1000 ... >> >> >> >> >> >> >> >> ________________________________ >> >> From: Chat <chat-boun...@forums.jsoftware.com> on behalf of Brian >> Schott <schott.br...@gmail.com> >> >> Sent: Monday, March 5, 2018 6:24:45 PM >> >> To: Chat forum >> >> Subject: Re: [Jchat] Where is J going ? >> >> >> >> I think it means stop_condition. >> >> >> >> On Mon, Mar 5, 2018 at 9:36 AM, Devon McCormick <devon...@gmail.com> >> wrote: >> >> >> >>> Again, I ask, in >> >>> " 4 The SC based system has has got to go... " >> >>> what is "SC based"? >> >>> >> >>> >> >>> >> >> ---------------------------------------------------------------------- >> >> For information about J forums see http://www.jsoftware.com/forums.htm >> >> ---------------------------------------------------------------------- >> >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
