[R] .Call using multiple cores on linux after R 3.3.3

Jeff Newmiller jdnewm|| @end|ng |rom dcn@d@v|@@c@@u@
Sat Apr 20 18:06:02 CEST 2019


My guess would be that you are running with a non-CRAN distribution of R like Anaconda or MRAN that has MKL enabled?

On April 19, 2019 10:25:57 AM PDT, Youyi Fong <youyifong using gmail.com> wrote:
>Hi, I am wondering why it is the case that in R 3.3.3, calling
>chngpt:chngptm uses only 1 core, but in later releases, e.g. R 3.4.3,
>it
>uses multiple cores on linux. The function chngpt:chngptm has a .Call
>to
>invoke a C/C++ function that performs bootstrapping. No explicit
>parallel
>computing instructions are used.
>Thanks,
>Youyi
>
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>
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-- 
Sent from my phone. Please excuse my brevity.



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