Re: [Cocci] [PATCH 2/2] Documentation: Coccinelle: Modify parallelisation information in docs

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On Thu, 24 Sep 2020, Sumera Priyadarsini wrote:

> This patchset modifies coccicheck to use at most one thread per core by
> default for optimal performance. Modify documentation in coccinelle.rst
> to reflect the same.

It would be good for the documentation to mention that this only occurs if
the machine has more than two cores (and more than 4 hardware threads).

julia


>
> Signed-off-by: Sumera Priyadarsini <sylphrenadin@xxxxxxxxx>
> ---
>  Documentation/dev-tools/coccinelle.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/dev-tools/coccinelle.rst b/Documentation/dev-tools/coccinelle.rst
> index 74c5e6aeeff5..a27a4867018c 100644
> --- a/Documentation/dev-tools/coccinelle.rst
> +++ b/Documentation/dev-tools/coccinelle.rst
> @@ -130,8 +130,8 @@ To enable verbose messages set the V= variable, for example::
>  Coccinelle parallelization
>  --------------------------
>
> -By default, coccicheck tries to run as parallel as possible. To change
> -the parallelism, set the J= variable. For example, to run across 4 CPUs::
> +By default, coccicheck uses at most only one thread per core of the system.
> +To change the parallelism, set the J= variable. For example, to run across 4 CPUs::
>
>     make coccicheck MODE=report J=4
>
> --
> 2.25.1
>
> _______________________________________________
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> Cocci@xxxxxxxxxxxxxxx
> https://systeme.lip6.fr/mailman/listinfo/cocci
>



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