[julia-users] Re: ANN: Book --- Julia Programming for Operations Research

I have had others also tell me that they really love this book. Great work Kwon! -viral On Tuesday, October 4, 2016 at 3:59:58 AM UTC+5:30, cdm wrote: > > > now on file at our State of California agency library ... > >http://www.energy.ca.gov/library/index.html > > > > Thank You, C. Kwon !!!

[julia-users] Re: ANN: ParallelAccelerator v0.2 for Julia 0.5 released.

Not speaking on behalf of the ParallelAccelerator team - but the long term future of ParallelAccelerator in my opinion is to do exactly that - keep pushing on new things and get them (code or ideas) merged into Base as they stabilize. Without the ParallelAccelerator team pushing us, multi-thread

[julia-users] Re: working with dense parallel matrices

These capabilities are being actively developed. Beyond the parallel section of the Julia manual, also see: https://github.com/JuliaParallel/MPI.jl/ -viral On Saturday, January 10, 2015 at 1:29:11 AM UTC+5:30, Francis Poulin wrote: > > Hello, > > I am very new to Julia and trying to learn how

[julia-users] Re: Julia cannot compute factorial(21) while Octave can

I am guessing, that like Matlab, octave uses doubles to represent integers, and hence you can go a bit farther than with integers. That should be the same as factorial(21.0) in julia. Of course, you can also use BigInt and such, which has already been discussed here. -viral On Tuesday, January

Re: [julia-users] Re: SLOW sortrows?

Certainly do file an issue with an easy to produce test case. I am pretty sure we have not paid much attention to sortrows, and there is room for improvement. -viral On Sunday, January 18, 2015 at 5:30:38 PM UTC+5:30, Tim Holy wrote: > > If you can reduce this to a standalone, runnable test cas

Re: [julia-users] Re: Google Summer of Code: Your Project Suggestions

Thanks to Amit's recent work on MPI.jl and ClusterManager.jl, we now have the ability to run MPI libraries and Julia's parallel libraries in the same program. Until recently, one could only have one of them, but not both simultaneously. I think this is important for the development of parallel

[julia-users] Re: PetSc interface in Julia

I replied in the GSoC thread, but this is a better thread to have this discussion in. Here's what I said: Thanks to Amit's recent work on MPI.jl and ClusterManager.jl, we now have the ability to run MPI libraries and Julia's parallel libraries in the same program. Until recently, one could only

[julia-users] Re: Almost at 500 packages!

I wonder what the 500th package will be. -viral On Tuesday, January 20, 2015 at 9:02:45 PM UTC+5:30, Iain Dunning wrote: > > Just noticed on http://pkg.julialang.org/pulse.html that we are at 499 > registered packages with at least one version tagged that are Julia 0.4-dev > compatible (493 on

[julia-users] Re: comparing compilation times for matlab and julia

With Jameson's work on static compilation and very early work towards interpreting Julia code, this will get addressed, but not in the near future. -viral On Tuesday, January 20, 2015 at 12:11:45 AM UTC+5:30, Gray Calhoun wrote: > > Hi Christian, you can certainly make the code-writing process

[julia-users] Re: workflow recommendation/tutorial

This is pretty much the workflow a lot of people use, with a few julia restarts to deal with the issues a) and b). I often maintain a script as part of my iterative/exploratory work, so that I can easily get to the desired state when I have to restart. -viral On Tuesday, January 20, 2015 at 4:

Re: [julia-users] Re: Almost at 500 packages!

ry usable, but I am wondering about how finished should be >> a package when submitted to METADATA. >> >> Viral Shah a écrit : >> >> I wonder what the 500th package will be. >> >> -viral >> >> On Tuesday, January 20, 2015 at 9:02:45

Re: [julia-users] Re: workflow recommendation/tutorial

("mymodule_tests.jl") that will be the tests file > for > > >> the > > >> module. Inside of this file, say `import MyModule` rather than `using > > >> MyModule`; you'll have to scope all calls, but that's a small price > to

Re: [julia-users] Re: workflow recommendation/tutorial

How about in the FAQ and also in the manual? I will get to it next week, if someone doesn't beat me to it. -viral On Wed, Jan 21, 2015 at 5:58 PM, Tim Holy wrote: > Sure, want to add it to the FAQ? > > --Tim > > On Tuesday, January 20, 2015 08:27:06 PM Viral Shah wrote: &

[julia-users] Re: gpu computing tutorial

The OpenCL.jl page seems to have a few notebooks. https://github.com/JuliaGPU/OpenCL.jl I would suggest filing an issue there about documentation there, if you don't find what you are looking for. -viral On Monday, January 26, 2015 at 9:14:23 AM UTC+5:30, tugul...@gmail.com wrote: > > are the

[julia-users] Re: The package Debug is not working with the latest version of julia

A real debugger is in the works, but some while away. You can get a glimpse of what it in Keno's talk at JuliaCon 2014: The design and implementation of the Julia Debugger -viral On Thursday, January 22, 2015 at 5:03:55 PM UTC+5:30, El Afrit Mariem

[julia-users] Julia Docker images

I am just wondering, whether it is a good idea to have official docker images for Julia on our downloads page. JuliaBox uses it, and I believe it should be straightforward to build these. Would people find these useful? What all would you like to see in them? Just Base Julia, IJulia, a few pack

[julia-users] Re: [ANN] Jumos: a package for molecular simulations in Julia

Amuthan, Off-topic, but do let us know any issues you face in parallelization. Any inputs on API design, performance, documentation, etc. will be greatly useful. -viral On Wednesday, January 28, 2015 at 8:12:19 PM UTC+5:30, Amuthan A. Ramabathiran wrote: > > Hi Guillaume: > > This looks good

Re: [julia-users] Almost at 500 packages!

If the goal is to support MATLAB-like capabilities and syntax, perhaps JuliaMAT is the right organization name. This could have a variety of matlab compatibility packages, .mat file readers, compatibility packages, MATCall, etc. -viral > On 29-Jan-2015, at 4:37 pm, Hans W Borchers wrote: >

Re: [julia-users] Almost at 500 packages!

Our METADATA design allows us to have, for example, a curated METADATA - much like Debian’s stable, testing, etc. Packages meeting certain criteria are the only ones that could go into the curated METADATA. -viral > On 29-Jan-2015, at 5:52 pm, Steven Sagaert wrote: > > A growing ecosystem i

[julia-users] Re: linking against external libraries built with Julia

This is a long pending issue - how do we make it easy for packages to link to Julia's libraries, especially openblas. One quick thing we could do is have something like julia-config that can provide the right include paths and ldflags and such. -viral On Friday, January 30, 2015 at 4:30:24 AM

Re: [julia-users] Announcing Convex.jl - Convex Optimization in Julia

I have dealt with the pain of annoying solver interfaces in the past and just seeing all this come together so cleanly and effortlessly for the user is a huge differentiator for Julia. Amazing work Madeleine, and the whole JuliaOpt team. I continue to cheer from the sidelines. Perhaps some blo

[julia-users] Re: peakflops() question

Thanks for filing the issue. For future reference, could you post the issue link here too? This is exactly why we have peakflops(), to detect all these various idiosyncracies. There should ideally be no difference, since, IIRC we are using the same OpenBLAS version in 0.3 and 0.4. -viral On Tu

Re: [julia-users] Announcing Convex.jl - Convex Optimization in Julia

I was pleasantly surprised to find this: http://faculty.bscb.cornell.edu/~bien/convexjulia.html -viral On Thursday, February 5, 2015 at 9:36:44 AM UTC+5:30, Viral Shah wrote: > > I have dealt with the pain of annoying solver interfaces in the past and > just seeing all this come to

Re: [julia-users] Re: Problems building Julia (linking flisp)

`make -j n` used to work correctly at one point, but bugs in the makefile dependencies keep creeping in. Usually, I just run one final `make` to make sure that everything got built correctly. -viral On Wednesday, February 4, 2015 at 7:12:14 PM UTC+5:30, Patrick Sanan wrote: > > I was able to s

[julia-users] Re: How to accelerate the Warm-up process of `svds`?

This is because the internal operations with svds are allocating new vectors every iteration. This PR should address it, but needs to be completed, https://github.com/JuliaLang/julia/pull/7907 Also, array indexing giving views by default will also help here. -viral On Friday, February 6, 2015

[julia-users] Re: using Winston : imagesc

You may find it easier to use PyPlot instead. -viral On Friday, February 6, 2015 at 1:41:55 PM UTC+5:30, Baptiste wrote: > > Hi all, > > I am using the following command : > using Winston > > display(imagesc(A)) > > where A is a matrix. > I can't find the right command to display both the legend

[julia-users] Re: Running octave scrips from julia

I really think that for something like this to work reliably, we probably want a way to call octave directly from Julia, but that requires some effort. Sorry - I don't have anything useful to add for the PyCall route. I guess that even though convoluted, it would be nice if it worked. -viral O

Re: [julia-users] How to accelerate the Warm-up process of `svds`?

a big deal to you, consider adding your own custom > userimg.jl (and see base/precompile.jl for a model). > > http://docs.julialang.org/en/latest/manual/modules/?highlight=userimg#module-initialization-and-precompilation > > --Tim > > On Friday, February 06, 2015 11:23:52 AM V

[julia-users] Re: Run Julia from Mac terminal?

I just tried it out and it works fine. I used 0.3.4, but I don't think that should matter. Does double clicking the .app work fine otherwise? What version of OS X is this? -viral On Tuesday, February 10, 2015 at 4:09:47 AM UTC+5:30, jimshapiro wrote: > > I made the soft link (to usr/bin/julia)

[julia-users] Re: RFC: JuliaWeb Roadmap + Call for Contributors

There is also JuliaBox.jl (https://github.com/tanmaykm/JuliaBox.jl), which facilitates wrapping of julia functions into a remote callable HTTP or ZMQ API. I think the package name is a bit misleading, and perhaps something like JuliaRemoteAPI or something may be more meaningful. The thought was

Re: [julia-users] why does findn for sparse matrices check for nzval != 0?

If your sparse matrix does not have any stored zeros, which it should not unless you have placed them yourself - this should not matter. Why do you want to write your own findn? -viral On Saturday, February 14, 2015 at 12:15:57 AM UTC+5:30, Zouhair Mahboubi wrote: > > Thanks for the clarficiat

[julia-users] Re: ANN: Clipper.jl

Wow - that is really cool - that the quadrotor was printed with a complete julia pipeline. If you guys can find some time, a blog post describing this would be of interest to many here - and also serve as documentation for Clipper.jl. -viral On Thursday, February 12, 2015 at 10:48:50 PM UTC+5:

[julia-users] Re: ANN: Clipper.jl

On job solicitation, this may just be a little early, but I have started seeing job descriptions with julia skills popping up. Perhaps we should have a julia-jobs list, if not right away, soon enough. -viral On Thursday, February 12, 2015 at 10:48:50 PM UTC+5:30, Steve Kelly wrote: > > Julians,

[julia-users] Re: Problems using Winston in fresh OSX install

If you want a basic matlab like plotting interface, PyPlot.jl may be easier to get working. That is what I use on Mac. Winston and Cairo are much more powerful, if you want to do something more general. -viral On Friday, February 13, 2015 at 10:51:33 PM UTC+5:30, Andreas Lobinger wrote: > > He

Re: [julia-users] Julia on Raspberry Pi 2

You can avoid the openlibm issue for now by adding override USE_SYSTEM_LIBM=1 in your Make.user. Can you also file this issue in the openlibm github repo, so that it can be fixed. Should be easy. I wonder why your build is picking up llvm 3.5.0, since ARM.inc uses 3.5.1 now. I don't know if th

Re: [julia-users] Julia on Raspberry Pi 2

led > make[1]: *** [llvm-3.5.1/build_Release+Asserts/config.status] Error 1 > Makefile:64: recipe for target 'julia-deps' failed > make: *** [julia-deps] Error 2 > root@pithree:/opt/julia# > > > > > > > > > > > > On Monday, 16 February 2015 11:4

Re: [julia-users] Re: Problems building Julia (linking flisp)

n't notice it being used >> in julia anywhere besides with libuv (simply based on grepping the julia >> directory). >> >> Any ideas on a good way to proceed? Perhaps there's a simple way to >> disable dtrace in the libuv build? >> >> >> On Thu

Re: [julia-users] Julia on Raspberry Pi 2

Try apt-get install libgfortran-dev or libgfortran-4.7-dev or something similar. It is odd that it wouldn’t find libgfortran - perhaps it is a path issue. -viral > On 19-Feb-2015, at 5:45 pm, Sto Forest wrote: > > Latest hurdle seems to be the absence of lgfortran > > lapacke_ztpmqrt_wor

[julia-users] Re: Julia on Raspberry Pi 2

It also appears that the Raspberry Pi 2 has a Cortex A7 processor - whereas in ARM.inc, we are building LLVM for cortex A9. Perhaps that may need to be changed and llvm probably needs to be recompiled. -viral On Wednesday, February 18, 2015 at 9:00:07 PM UTC+5:30, Seth wrote: > > > > On Saturda

[julia-users] Re: Why does my Julia code run so slow?

So, where is the performance now compared to the C program? I don't think MKL will give you much if you were on the order of 100x slower to start with. -viral On Friday, February 20, 2015 at 8:19:50 PM UTC+5:30, Zhixuan Yang wrote: > > Mauro, Sean, and Tim, thanks for your help. > > Following

[julia-users] Re: Equivalent of MATLAB struct with subfields and constant values

You could explore DataArrays. https://github.com/JuliaStats/DataArrays.jl If you do not need to otherwise manipulate the whole array directly (like say do an svd on the 100x30 matrix), and only work with the fields, it would be best to create a composite type with those field names. -viral On

Re: [julia-users] Why does my Julia code run so slow?

e and extensible. > > Maybe I should try to use more computers. Currently my code is paralleled by > using pmap(). I hope the communication overhead will not be a new bottleneck > if I run on a local network cluster. > > Thanks for your help! > > Regards, Yang Zhixuan

Re: [julia-users] Why does my Julia code run so slow?

It is also worth trying out one of the 0.4-dev nightlies and compare the performance. The code does avoid creating temporaries to a large extent, but it may be worth checking if the new GC helps. -viral > On 21-Feb-2015, at 10:09 pm, michael.cr...@gmail.com wrote: > > What's the type of c.ou

[julia-users] Re: Large memory allocation and GC time in fractal renderer

Memory profiling (see http://docs.julialang.org/en/latest/manual/profile/#memory-allocation-analysis), suggests this line is the culprit: f = a0 + a1*x + a2*x^2 + a3*x^3 + a4*x^4 -viral On Sunday, February 22, 2015 at 7:14:22 AM UTC+5:30, DumpsterDoofus wrote: > > I wrote a simple script for

[julia-users] Re: Large memory allocation and GC time in fractal renderer

The memory usage balloons once the expression becomes bigger: julia> g(a0,a1,a2,a3,a4,x) = for i=1:10^6; f = a0 + a1*x +a2*x^2 + a3*x^3; end g (generic function with 3 methods) julia> @time g(1.0,1.0,1.0,1.0,1.0,1+im) elapsed time: 0.011524283 seconds (104 bytes allocated) As soon as I introduc

Re: [julia-users] Re: Large memory allocation and GC time in fractal renderer

ith the way operators (like +) get > codegen'd for many arguments that can cause this sort of performance issue. > There's definite plans to fix this. For now, simply splitting consecutive > applications of + onto separate lines should resolve it. > > On Sun Feb 22 2015 at 2:

[julia-users] Re: ftp

The simplest thing would be to invoke wget. run(`wget ...`) -viral On Sunday, February 22, 2015 at 11:03:50 AM UTC+5:30, Jason Eckstein wrote: > > Does anyone know if I can download a file through an ftp site with Julia? > This is an exmaple of the link I want to read > ftp://ftp.nasdaqtrader

[julia-users] Re: Tensor-product function for multidimensional arrays (>2 dims)

Best to file an issue. -viral On Sunday, February 22, 2015 at 12:52:17 PM UTC+5:30, Spencer Lyon wrote: > > Bump on this thread. I need this functionality again... > > On Friday, December 6, 2013 at 11:04:44 AM UTC-5, Spencer Lyon wrote: >> >> I am working with tensors with more than 2 dimensions

[julia-users] Re: Matlab keyboard command in Julia?

It is not good as having a real debugger (coming soon), but perhaps it may get you started. -viral On Sunday, February 22, 2015 at 4:19:45 AM UTC+5:30, Scott T wrote: > > Hi Vinay, > > You should look at Debug.jl , which > lets you insert breakpoints into you

Re: [julia-users] Re: Large memory allocation and GC time in fractal renderer

Are you using the @horner macro in julia then? -viral On 22 Feb 2015 20:11, "DumpsterDoofus" wrote: > Thanks! I converted the expressions to Horner form using the HornerForm > command in Mathematica, and then used them in Julia. Memory allocation was > reduced from 2.2GB to 16MB, and the gc() ti

Re: [julia-users] Re: How to accelerate the Warm-up process of `svds`?

u >> build julia. If this is a big deal to you, consider adding your own >> custom >> userimg.jl (and see base/precompile.jl for a model). >> >> >> http://docs.julialang.org/en/latest/manual/modules/?highlight=userimg#module-initialization-and-precompilation >

Re: [julia-users] Large memory allocation and GC time in fractal renderer

Could you file this as an issue? -viral > On 26-Feb-2015, at 10:44 am, DumpsterDoofus > wrote: > > Thanks for the tip. Unfortunately, @evalpoly seems to be orders of magnitude > slower for some reason, and has huge memory allocation compared to @horner. > Here is an example: > import Base

[julia-users] Re: difficulty disabling multicore BLAS?

It seems to work fine on 0.4. On my dual core i5: julia> peakflops() 6.3990880531633675e10 julia> blas_set_num_threads(1) julia> peakflops() 3.2582507660855206e10 -viral On Friday, March 6, 2015 at 10:27:46 PM UTC+5:30, Steven G. Johnson wrote: > > For my numerics class at MIT

Re: [julia-users] Unevenly distributed arrays

Now that DistributedArrays.jl is a package - some of these things are much easier to experiment with. -viral On Friday, March 6, 2015 at 2:47:05 AM UTC+5:30, Andreas Noack wrote: > > I hope so. It is something we really want to do but I cannot promise when > we'll do it. > > 2015-03-04 17:01 GM

[julia-users] Re: [ANN] MatrixDepot 0.2.0: include a Julia interface to the UF Sparse Matrix collection

This is incredibly useful. Thank you. -viral On Saturday, March 7, 2015 at 1:09:16 AM UTC+5:30, Weijian Zhang wrote: > > Hello, > > I just included a Julia interface to the University of Florida Sparse > Matrix Collection in Matrix Depot ( > https://github.com/weijianzhang/MatrixDepot.jl). > > H

Re: [julia-users] Re: Julia T-shirt and Sticker

As Stefan has said before, we are happy to license the logos royalty-free, with all proceeds going to fund Julia/conference. The easiest thing to do is to send the proceeds to NumFocus, which is an umbrella foundation and includes Julia. However, someone will have to figure out all the details

[julia-users] Re: Running Julia on Google Cloud Compute / Managed VM

I think it is a good idea to put out the Docker containers for download - as many people will find it useful. Is there a way to build them automatically? Certainly for 0.3, we can just upload what we have built for JuliaBox to the downloads page. -viral On Monday, March 9, 2015 at 7:23:26 AM U

Re: [julia-users] Intel Xeon Phi support?

LLVM support for KNL is already in place. So yes, it will come quickly, but in a released version of Julia, that is certainly no earlier than 0.5. It is also quite likely that we need good multi-threading support to ensure a good experience for KNL - which is also happening simultaneously. I am

[julia-users] Some simple use cases for multi-threading

I am looking to put together a set of use cases for our multi-threading capabilities - mainly to push forward as well as a showcase. I am thinking of starting with stuff in the microbenchmarks and the shootout implementations that are already in test/perf. I am looking for other ideas that woul

Re: [julia-users] Some simple use cases for multi-threading

been around in Julia for a > long time? I also assume that you are looking for use cases that will > benefit, not only for cases that have already benefitted? > > -erik > > > On Mar 12, 2015, at 23:52 , Viral Shah wrote: > > > > I am looking to put tog

Re: [julia-users] Some simple use cases for multi-threading

t; On Mar 13, 2015, at 16:54 , Tobias Knopp >> wrote: >> > >> > you can start with a simple matrix-vector or matrix-matrix product. >> imfilter (Images.jl) is also a function that can benefit from >> multithreading. >> > >> > Am F

[julia-users] Re: Some simple use cases for multi-threading

> to allow long running computations to not freeze an applications UI. > > Its not a sexy highly parallel benefit, but very useful :) > > Cheers > Lex > > On Friday, March 13, 2015 at 1:52:37 PM UTC+10, Viral Shah wrote: >> >> I am looking to put together

Re: [julia-users] Some simple use cases for multi-threading

:57 PM UTC+5:30, Erik Schnetter wrote: > > On Mar 12, 2015, at 23:52 , Viral Shah wrote: > > > > I am looking to put together a set of use cases for our multi-threading > capabilities - mainly to push forward as well as a showcase. I am thinking > of starting with stuf

Re: [julia-users] Looking for incomplete SVD -- need only some of the singular values

There's svds, which uses Arnoldi iterations. -viral On Monday, March 16, 2015 at 5:54:57 AM UTC+5:30, Erik Schnetter wrote: > > I am looking for an algorithm that produces only some of the singular > values, not all of them. I assume that would be cheaper. I didn't see such > a function in Juli

Re: [julia-users] Some simple use cases for multi-threading

This is a great example. If you are familiar with it, can you submit a PR? I think it would be a great addition to our perf suite in general, and an excellent candidate for multi-threading. -viral > On 16-Mar-2015, at 10:22 am, James Fairbanks wrote: > > The graph 500 benchmark was develope

Re: [julia-users] Some simple use cases for multi-threading

lia is a parallel queue where many threads can append and pop in > parallel. In omp that can be implemented with atomics. > > I suppose this leads to an even simpler benchmark of the parallel queue > performance. > > James > > On Sun, Mar 15, 2015, 11:18 PM Viral Shah

Re: [julia-users] Some simple use cases for multi-threading

cording to the api? Or do you want them implemented with the > current processes and remote refs api? > > -james > > On Mar 17, 2015, at 09:49 , Viral Shah wrote: > >> I don’t know if we have the capabilities exposed at the user level to do >> this yet - b

Re: [julia-users] Re: Julia users Berlin

Is there a meetup setup? I am in Cologne until Wednesday, and may visit Berlin after that for a couple of days. Would love to meet up with julia users in either of these cities if something is getting set up. -viral On Friday, March 6, 2015 at 9:04:59 AM UTC+1, Felix Jung wrote: > > Hi all, >

Re: [julia-users] Julia users Berlin

Thinking of being there Thursday-Saturday. -viral > On 22-Mar-2015, at 11:54 am, Simon Danisch wrote: > > I could schedule my Berlin visit for this time frame. > When exactly would you be in Berlin? > I could stay in Berlin up to Friday. > > Best, > Simon > > Am Mittwoch, 25. Februar 2015 1

[julia-users] Re: Maple's conformal plot of a complex function

The silence suggests the answer is no. You may want to look at matplotlib if it has something like that, since then you can easily access it through PyPlot. -viral On Thursday, March 19, 2015 at 4:08:09 AM UTC+1, Shivkumar Chandrasekaran wrote: > > Before I re-invent the wheel, is there someth

[julia-users] Re: Julia on OpenBSD

I do believe julia builds on freebsd and Mike Nolta has generally maintained it over time. I would expect it may not be too much work to get it to work on openbsd. -viral On Tuesday, March 17, 2015 at 1:16:47 PM UTC+1, Mike H wrote: > > Thanks Antoine, > > It's something I might work on in the

Re: [julia-users] Julia users Berlin

Sounds like a plan. Let’s reserve a table. Seems like there already are 3-4 people interested. -viral > On 23-Mar-2015, at 11:05 am, David Higgins wrote: > > I'd like to suggest: > > Thursday 26th March, 7pm at St. Oberholz (Rosenthaler Straße 72A) > > It's one of those co-working places w

[julia-users] Re: YOW! Julia Talk

I think it would be useful to have it in the learning section of the website. http://julialang.org/learning/ -viral On Monday, March 23, 2015 at 3:39:18 PM UTC+1, Leah Hanson wrote: > > Hi, > > I gave a talk at YOW! in Australia in December, and the video has been > posted. The talk is "How Ju

Re: [julia-users] Julia users Berlin

How about we aim for 5pm in that case? I think I can make it by then. Does that work for others? -viral On Tuesday, March 24, 2015 at 11:07:40 AM UTC+1, Simon Danisch wrote: > > My train leaves at 9pm (at least the train station is close), so I'd > probably go there 1-2 hours early and see who

[julia-users] Re: URGENT: Google Summer of Code

Hi Raniere, Are there specific dates mentors and students have to do this by? -viral On Tuesday, March 24, 2015 at 10:25:22 PM UTC+1, Raniere Silva wrote: > > Hi, > > there was a problem of communication > and I didn't announce that NumFOCUS, http://numfocus.org/, > was selected for Google Su

[julia-users] Re: A few notes and questions on building 0.3.8-pre on ARM or Jetson-tk1

0.3 does not have the ARM related patches in Julia. I doubt it will work on 0.3 even if you get it compiled. Even on 0.4, we have some ways to pass all tests before trying to use packages. Do you see success for `make testall`? -viral On Sunday, March 29, 2015 at 7:11:37 PM UTC+2, Kevin Owens

[julia-users] Creating julia-jobs

I have just set up a julia-jobs mailing list, as we increasingly hearing about Julia related positions, and job descriptions that mention Julia. https://groups.google.com/forum/#!forum/julia-jobs The mailing list settings may require some fine tuning as we go along. -viral

[julia-users] Re: Julia development for Arm

There is no definite timeframe. Julia does start up on ARMv7 already, and I can use it to do a number of computations. It passes about 90% of the tests. What makes our ARM port tough is the lack of easy access to ARM machines, that people can login to and develop. A server class ARM machine acce

[julia-users] Re: CALL FOR PARTICIPATION: JuliaCon 2015, June 24-28, MIT

Just want to add and reiterate that it would also be nice to have proposals talking about applications in Julia. We should most likely have an application track - but the details can only be figured out once everything is in. -viral On Thursday, April 2, 2015 at 1:53:04 AM UTC+5:30, Jiahao Che

[julia-users] Re: Julia 0.4 roadmap?

Take a look at the github issues marked 0.4. Roughly, for the larger projects, given that 0.4 is still not in feature freeze ( bunch of array work still on ), and we are at least 2-3 months away from release - it is quite likely that the debugger may be available in limited and experimental for

Re: [julia-users] Julia development for Arm

Thanks. Scaleway seems like they will give the machines instantaneously and at 11 Euros/month, is cheap enough. I’ll go with that for now. Also, I do believe that travis has cross-compilation support for ARM, and can run stuff through qemu. Maybe we can build julia and run one simple test or so

[julia-users] Spark and Julia

I am changing the subject of this thread from GSOC to Spark. I was just looking around and found this: https://github.com/d9w/Spark.jl The real question is with all the various systems out there, what is the level of abstraction that julia should work with. Julia's DataFrames is one level of a

[julia-users] Re: GPU-ODE

Do you mean writing ODE solvers in Julia that run on GPUs? If so, the answer is no. You can easily ccall CUDA/opencl solvers though. -viral On Friday, April 3, 2015 at 11:18:35 AM UTC+5:30, pauld11718 wrote: > > Is it possible in Julia - GPU based ODE solvers? > There are ~250 Independent system

Re: [julia-users] Re: GPU-ODE

yet of creating a standalone executable? > If no, any time soon to expect such? > > On Saturday, April 4, 2015 at 12:19:56 PM UTC+5:30, Viral Shah wrote: > Do you mean writing ODE solvers in Julia that run on GPUs? If so, the answer > is no. You can easily ccall CUDA/opencl solve

[julia-users] Re: R's splineDesign in Julia

Also https://github.com/JuliaStats/RCall.jl -viral On Sunday, April 5, 2015 at 1:04:27 AM UTC+5:30, pauld11718 wrote: > > https://github.com/kbarbary/Dierckx.jl > > https://docs.scipy.org/doc/scipy-0.15.1/reference/interpolate.html > (use with PyCall) > > https://github.com/lgautier/Rif.jl > (R

[julia-users] Re: Spark and Julia

aturday, April 4, 2015 at 11:21:35 AM UTC-4, Jeff Waller wrote: >> >> >> >> On Saturday, April 4, 2015 at 2:22:38 AM UTC-4, Viral Shah wrote: >>> >>> I am changing the subject of this thread from GSOC to Spark. I was just >>> looking around and foun

[julia-users] Re: Code optimization

There is a lot of memory that gets allocated in the maximum(...) line. Ideally, our memory management would be able to do something better than allocating memory for every loop iteration - but that is already happening. In the meanwhile, I can devectorize and get this: function valuefnc(x, V)

Re: [julia-users] Code optimization

> faster (around 1sec). > As you said, logs and pows take most of the time. > Much as I love how Julia achieves something close to C++ in performance, I am > pleased that with the vectorized operations, loops in R can be pretty fast. > > Thanks again, > Khash > > O

[julia-users] Re: smallest eigenvalue of sparse matrix

Could you post a self-sufficient code so that the errors can be reproduced? -viral On Thursday, April 9, 2015 at 11:40:00 PM UTC+5:30, Andrei Berceanu wrote: > > I now get > > > > *CHOLMOD warning: not positive definiteERROR: `-` has no method matching > -(::(Array{Complex{Float64},1},Array{Comp

[julia-users] Re: Multi-threaded BLAS limiting at 16 cores

That's because the default configured maximum is 16 cores. Look for `NUM_THREADS` in deps/Makefile. The reason we keep this low is because openblas allocates NUM_THREADS buffers on startup, and it makes julia consume a lot of memory. See: https://github.com/xianyi/OpenBLAS/issues/321 You can c

[julia-users] ANN: Yeppp.jl

I have cleaned up the old Yeppp.jl repository a bit, and also added release versions to METADATA. http://www.yeppp.info/ https://github.com/JuliaLang/Yeppp.jl In my benchmarks, I have found the vectorized log and exp routines from Yeppp to be 8x faster than the ones in Base, and sin/cos/tan are

[julia-users] Re: Livestream of ICME LA/Opt Seminar today 4:15pm PDT (Andreas Noack, MIT)

This talk is highly recommended, if you have been following the development of linear algebra in Julia from the sidelines, and want to know a little more about why things are the way they are, and where it is headed. -viral On Friday, April 10, 2015 at 11:02:52 PM UTC+5:30, Nick Henderson wrote

Re: [julia-users] ANN: Yeppp.jl

orized Julia code as well, when it is able to outperform Julia. > > In case anyone else finds it useful, I added a small benchmark here at this > gist: https://gist.github.com/jgoldfar/7cb34d8469f92d36fb47 > > -Max > > On Saturday, April 11, 2015 at 3:36:21 AM UTC-4, Viral Shah

Re: [julia-users] ANN: Yeppp.jl

these outperform the obvious devectorized julia versions. -viral On Sunday, April 12, 2015 at 9:08:36 AM UTC+5:30, Viral Shah wrote: > > It would be interesting to compare the results of Yeppp with VML. > > https://github.com/simonster/VML.jl > > Kevin, thanks, I knew someone had done

Re: [julia-users] ANN: Yeppp.jl

the way, I submitted a PR to add evalpoly! to Yeppp.jl; this carries > more than a 2x speedup compared to the equivalent in pure Julia. Let me > know if it can be improved in some way. > Thanks > -Max > > On Sunday, April 12, 2015 at 12:02:42 AM UTC-4, Viral Shah wrote: >> &

[julia-users] Re: A Julia newsletter

Do see "This month in Julia" on Reddit. For some reason, I am unable to paste a link in my browser at the moment. -viral On Sunday, April 12, 2015 at 9:56:05 AM UTC+5:30, Zahirul ALAM wrote: > > I want to start a Julia newsletter. At this moment it will be a monthly or > biweekly publication di

Re: [julia-users] Re: Non-GPL Julia?

The useful parts of SuiteSparse are all GPL. So, for a GPL-free build, it is straightforward to completely avoid using SuiteSparse. One of the things I want is to have a version of Julia built with Intel compilers and linked to MKL. Julia can already use Intel's BLAS, LAPACK, LIBM, and FFT rout

[julia-users] Re: Need help parallelizing this benchmark

Multi-threading in Julia is still some ways away. Basic thread safety should be in place soon after 0.4. -viral On Thursday, April 16, 2015 at 6:43:42 AM UTC+5:30, SixString wrote: > > @Kristoffer Carlsson , I do appreciate your help and your clever use of > Yeppp, which is limited to reals. I

Re: [julia-users] Non-GPL Julia?

re the API's are standardized. > > > On Thursday, April 16, 2015 at 9:32:01 AM UTC-7, Viral Shah wrote: > The useful parts of SuiteSparse are all GPL. So, for a GPL-free build, it is > straightforward to completely avoid using SuiteSparse. > > One of the things I want is

Re: [julia-users] SLOW sortrows?

ic sorting THAT much harder than simple sorting? Shouldn't it > be nlogn? > > > > On Sunday, January 18, 2015 at 12:46:36 PM UTC-6, Viral Shah wrote: > Certainly do file an issue with an easy to produce test case. I am pretty > sure we have not paid much attention to s

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