Re: [Open Babel] Building of non-parallel OpenBabel 2.4.1

[Igor F. <igo...@gm...>]

There is an environment variable OMP_NUM_THREADS which should control the
number of cores used at runtime. I haven't tried it with openbabel
specifically however.

Igor

On Sep 21, 2017 6:08 AM, "Геннадий Макаров via OpenBabel-discuss" <
ope...@li...> wrote:

> Problem solved
>
>
> Четверг, 21 сентября 2017, 14:17 +05:00 от Геннадий Макаров via
> OpenBabel-discuss <ope...@li...>:
>
> Usage of this option during building did not change behaviour of
> OpenBabel: it still use all cores.
>
>
> Четверг, 21 сентября 2017, 0:30 +05:00 от Geoffrey Hutchison <
> geo...@gm...>:
>
> > I builded OpenBabel from sources on Ubuntu 14.
>
>
> You built with ENABLE_OPENMP on (which is off by default) so yes, it will
> use all the cores you have.
>
> cmake -DENABLE_OPENMP=OFF .
> # or
> ccmake . # in build directory
> # turn off ENABLE_OPENMP
>
> Hope that helps,
> -Geoff
>
> ---
> Prof. Geoffrey Hutchison
> Department of Chemistry
> University of Pittsburgh
> tel: (412) 648-0492
> email: ge...@pi...
> <https://e.mail.ru/compose/?mailto=mailto%3ag...@pi...>
> twitter: @ghutchis
> web: https://hutchison.chem.pitt.edu/
>
>
>
> --
> Геннадий Макаров
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