From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4C3E938582A1; Wed, 30 Nov 2022 08:13:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4C3E938582A1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669796024; bh=hmX3/gacIXKP3SIZ31diNHx44G4eGct6BkKcMgJRa4Q=; h=From:To:Subject:Date:In-Reply-To:References:From; b=CuLrc3pySPthANa5+GpZv8jO2kYNIQUxpYqL/+vEB/GCx1IZSo92zKWS7vU3jQUnP CkCfkxLGp+sJHfvajj0Xvnxzgd60U26KLLFhzA/bGXD2aVnoU+03kR+xXflKMShXdQ t37JnImVEN5kKagajAvdiFwCk29dqKLQCp3wJ6Ko= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck Date: Wed, 30 Nov 2022 08:13:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Version: unknown X-Bugzilla-Keywords: build, meta-bug X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D84402 --- Comment #48 from Martin Li=C5=A1ka --- Created attachment 53989 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53989&action=3Dedit CPU utilization of make all-host on recent AMD server The situation with a recent AMD server is really bad! Having 192 cores, the average CPU utilization of `make all-host` is 6% !=