Message-ID: <CAN9wbhxDy9vzgzj-XTT5jsMLJMJXWuQ+Z6k1v-N_WMmL-qJNFw@mail.gmail.com>
Date: 2023-09-02T11:29:48Z
From: Matt Dancho
Subject: [R-pkg-devel] CRAN Detected Using More Than 2 Cores By Default
In-Reply-To: <20230901170453.3ce4f542@arachnoid>
Thank you very much. I?ll try this and let you know.
On Fri, Sep 1, 2023 at 10:04 AM Ivan Krylov <krylov.r00t at gmail.com> wrote:
> ? Fri, 1 Sep 2023 08:26:32 -0400
> Matt Dancho <mdancho at business-science.io> ?????:
>
> > Check: tests, Result: NOTE
> > Running 'testthat.R' [20s/7s]
> > Running R code in 'testthat.R' had CPU time 2.7 times elapsed time
> >
> > Flavor: r-devel-linux-x86_64-debian-gcc
> > Check: re-building of vignette outputs, Result: NOTE
> > Re-building vignettes had CPU time 2.7 times elapsed time
>
> Here's the conclusion of a recent R-pkg-devel thread:
> https://stat.ethz.ch/pipermail/r-package-devel/2023q3/009513.html
>
> It might help to set the environment variable OMP_THREAD_LIMIT to 2 in
> your tests and vignettes, but with examples (and, generally, with
> defaults in your functions) it will be harder to achieve compliance:
>
> https://github.com/Rdatatable/data.table/issues/5658#issuecomment-1700972630
>
> I don't see an immediate dependency of your package that could be doing
> something in parallel, but maybe you'll be able to find it after
> reading the R-package-devel thread.
>
> --
> Best regards,
> Ivan
>
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