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Update readme for mkl build note #129

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Dec 5, 2019
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Update readme for mkl build note #129

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update readme for mkl build note [skip ci]
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@IanButterworth
IanButterworth committed Dec 5, 2019
commit 4dc795295702e5bda082445c8f1ae97d00c3c3f8
4 changes: 1 addition & 3 deletions README.md
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Expand Up @@ -33,9 +33,7 @@ The documentation of generic FFT functionality can be found in the [AbstractFFTs

Alternatively, the FFTs in Intel's Math Kernel Library (MKL) can be used
by setting an environment variable `JULIA_FFTW_PROVIDER` to `MKL` and running
`Pkg.build("FFTW")`. If Julia was built with MKL, then Julia's MKL will be
used for FFTs; otherwise the [Conda.jl package](https://github.com/JuliaPy/Conda.jl)
will be used to download MKL via the [mkl_fft Anaconda package](https://github.com/IntelPython/mkl_fft).
`Pkg.build("FFTW")`. MKL will be provided through `MKL_jll`.
Setting this environment variable only needs to be done for the first build of the package;
after that, the package will remember to use MKL when building and updating.
Note however that MKL provides only a subset of the functionality provided by FFTW. See
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