From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Gregory Heytings via "Emacs development discussions."
<emacs-devel@gnu.org>
Cc: Gregory Heytings <ghe@sdf.org>, Lars Ingebrigtsen <larsi@gnus.org>
Subject: Re: Script for compiling more quietly
Date: Mon, 14 Dec 2020 10:00:49 -0500 [thread overview]
Message-ID: <jwvim94h1st.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <alpine.NEB.2.22.394.2012141119130453.17897@sdf.lonestar.org> (Gregory Heytings via's message of "Mon, 14 Dec 2020 10:32:36 +0000")
> by "expr $(nproc) / 2 + 1", IME using nproc makes the computer unuseable,
> and is not much faster than nproc/2+1.
My crystal ball tells me you have hyperthreading, so `nproc` returns
twice as many CPUs as you have "cores". If you don't have
hyperthreading, I'd expect the performance difference between using
`nproc` or only half to be more significant.
Stefan
next prev parent reply other threads:[~2020-12-14 15:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-11 18:10 Script for compiling more quietly Lars Ingebrigtsen
2020-12-14 10:32 ` Gregory Heytings via Emacs development discussions.
2020-12-14 10:52 ` Gregory Heytings via Emacs development discussions.
2020-12-14 14:35 ` Lars Ingebrigtsen
2020-12-14 15:08 ` Lars Ingebrigtsen
2020-12-14 14:39 ` Lars Ingebrigtsen
2020-12-14 15:09 ` Gregory Heytings via Emacs development discussions.
2020-12-14 15:23 ` Stefan Monnier
2020-12-14 15:28 ` Gregory Heytings via Emacs development discussions.
2020-12-14 15:56 ` Eli Zaretskii
2020-12-14 16:07 ` Gregory Heytings via Emacs development discussions.
2020-12-14 16:49 ` Eli Zaretskii
2020-12-14 16:53 ` Lars Ingebrigtsen
2020-12-14 17:24 ` Andrea Corallo via Emacs development discussions.
2020-12-14 17:55 ` Eli Zaretskii
2020-12-14 17:41 ` Gregory Heytings via Emacs development discussions.
2020-12-14 18:56 ` Lars Ingebrigtsen
2020-12-14 17:49 ` Eli Zaretskii
2020-12-14 23:36 ` Stefan Monnier
2020-12-14 15:00 ` Stefan Monnier [this message]
2020-12-14 15:14 ` Gregory Heytings via Emacs development discussions.
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