I would consider it more constructive to admit the existence of the bug and
find a way look into the source code of luametatex, since `context --help`
is obviously not a terribly complicated routine to investigate.

On Thu, 29 Oct 2020 at 13:56, Taco Hoekwater <taco@elvenkind.com> wrote:

>
>
> > On 29 Oct 2020, at 12:44, Sylvain Hubert <champignoom@gmail.com> wrote:
> >
> > I've just tried chromium which behaves a bit better but still
> experiences a sudden raise of cpu usage from <10% to >70% during ~1s.
> > I've also noticed that, even without any browser running, each time
> after I compile a file with `context`, my terminal get stuck for ~1s.
> > So I'm pretty sure this is a context bug, probably caused by unnecessary
> excessive disk operations or something.
>
> But it seems to be a big problem only on your machine. What hardware are
> you running on? Is it a Raspberry PI?
>
> Like any TeX-related program, ConTeXt does a fair bit of disk access while
> starting up, but I haven’t heard of that being an actual problem since the
> age of single-core CPUs. And it certainly should not have an effect on the
> CPU usage of any other program (it could affect system responsiveness,
> though).
>
> Best wishes,
> Taco
>
>
>
>
>
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