Thanks and Tim and Stefan, if there is anyway I can contribute to help, do let me know.
thanks, Nitin On Sunday, February 7, 2016 at 8:24:38 AM UTC-8, Stefan Karpinski wrote: > > Being able to stack-allocate objects that refer to the heap is an > important case that we need to address, but doing so is non-trivial and > hasn't been done yet. > > On Sunday, February 7, 2016, Tim Holy <tim....@gmail.com <javascript:>> > wrote: > >> I filed an issue, https://github.com/JuliaLang/julia/issues/14955, which >> you >> can check to learn about progress on this problem. >> >> Best, >> --Tim >> >> On Saturday, February 06, 2016 03:35:34 PM Nitin Arora wrote: >> > I see, thanks for the information. I think, if possible, this feature >> will >> > help the language a lot. >> > >> > I have recommended Julia to many of my colleagues (they all love it over >> > Fortran and Matlab) and most of them seem to run into this issue. I >> think, >> > a modern language with soo much elegance and potential, like Julia, >> should >> > nail such major issues. I am sure by V-1.0 we will have the best >> scientific >> > programming language ever :-) >> > >> > thanks, >> > Nitin >> > >> > On Saturday, February 6, 2016 at 3:55:56 AM UTC-8, Tim Holy wrote: >> > > On Friday, February 05, 2016 05:24:04 PM Nitin Arora wrote: >> > > > Thanks Tim, this is very useful. I will probably use CartesianRange >> now. >> > > > >> > > > Is Julia 0.5 Arraypocalypse planning to address this issue as well ? >> > > >> > > I don't think there's a way to solve this by changing our >> implementation >> > > of >> > > views; I think it's more of a compiler issue, and the fact that >> > > >> > > julia> isbits(CartesianRange((3,5))) >> > > true >> > > >> > > julia> immutable ArrayWrapper{M} >> > > >> > > data::M >> > > >> > > end >> > > >> > > julia> z = rand(5,5); >> > > >> > > julia> isbits(ArrayWrapper(z)) >> > > false >> > > >> > > >> > > Since I don't work on the compiler, I can't speak for what's going to >> > > happen >> > > there, but I'd be surprised if this changes in 0.5. >> > > >> > > Best, >> > > --Tim >> > > >> > > > thanks, >> > > > Nitin >> > > > >> > > > On Friday, February 5, 2016 at 3:24:34 PM UTC-8, Tim Holy wrote: >> > > > > On Friday, February 05, 2016 08:17:21 AM Kevin Squire wrote: >> > > > > > I think this needs to be @time bar(A). >> > > > > >> > > > > Yeah, sorry for the typo. >> > > > > >> > > > > > I get >> > > > > > >> > > > > > julia> @time bar(A) >> > > > > > >> > > > > > 0.000269 seconds (5 allocations: 176 bytes) >> > > > > > >> > > > > > 20010.937886591404 >> > > > > >> > > > > That's just REPL allocation. Since A has 10000 columns, if this >> > > >> > > strategy >> > > >> > > > > were >> > > > > allocating you'd expect "10000+n allocations," where n comes from >> the >> > > > > REPL. >> > > > > >> > > > > --Tim >> >>
