I was wondering if it is possible for Julia Computing to offer a MKL bundled Julia. I feel like JuliaPro free version is a little bit too large for me and it takes long time to install, and I can set up Atom and Juno by myself. On the other hand, I don’t want to link Julia to MKL manually. I prefer…

Correct. Also, if the BLAS library were pluggable, instead of built in, then one could also argue that it’s not part of the GPL derived work, so you could ship with an MKL library and another BLAS (like OpenBLAS) and just use MKL by default. This is what Microsoft’s R distribution does in order to l…

I am pretty sure you will get this if you are willing to pay the work. Open source is not free software, people need to get living somehow.

Or at least if somebody shares a working script to perform the compilation in Windows. Anyway, I guess MKL wouldn’t have any effect on packages that have been internally coded with BLAS/Lapack instructions, they would need to be rewritten.

[image] Juan: Anyway, I guess MKL wouldn’t have any effect on packages that have been internally coded with BLAS/Lapack instructions, they would need to be rewritten. AFAIK, basically no package calls directly into BLAS/Lapack.

Some packages use ccall to BLAS routines not exposed in Base. But with Julia built from source with MKL these correctly use the MKL versions.

Then if I compile Julia with MKL all dependencies will be automatically resolved to use MKL when needed?

Yes. Packages use BLAS.libblas or BLAS.liblapack to determine the library to use, and we for MKL built Julia they return: julia> BLAS.libblas "libmkl_rt" julia> BLAS.liblapack "libmkl_rt"

OK, that would force Julia to use it. But will it be completly compatible? Do both libraries offer the same options?

[image] Yifan_Liu: I prefer something like Microsoft R Open, which offers MKL bundled R Does anyone have any idea how this can be legal? R is GPL if they’re shipping R linked with MKL (even dynamically) then that would seem to violate the terms of R’s license.

Yes. That’s the point of BLAS. Though, while they share the same options, they don’t share the same bugs.

MKL bundled Julia by Julia Computing

General Usage

Mason December 12, 2018, 5:06am 2

See MKL: what are the issues these days?

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MKL bundled Julia by Julia Computing

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