This is the mail archive of the
gcc-help@gcc.gnu.org
mailing list for the GCC project.
Re: -flto=jobserver does not use all CPU cores
- From: Florian Weimer <fweimer at redhat dot com>
- To: "R. Diez via gcc-help" <gcc-help at gcc dot gnu dot org>
- Cc: "R. Diez" <rdiezmail-gcc at yahoo dot de>
- Date: Fri, 14 Feb 2020 11:36:55 +0100
- Subject: Re: -flto=jobserver does not use all CPU cores
- References: <b1619349-e0f5-d06c-c23f-06c2b63520dd.ref@yahoo.de> <b1619349-e0f5-d06c-c23f-06c2b63520dd@yahoo.de>
* R. Diez via gcc-help:
> If I run GCC with -flto=jobserver, only 2 cores are apparently used,
> even if the top-level makefile runs with -j 40. The increased linking
> time also corroborates this.
Can you show us the relevant parts of your makefile?
Thanks,
Florian