From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 523343858D20; Wed, 30 Nov 2022 08:39:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 523343858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669797544; bh=i1EkBo7WP6sHfezHNzd7ixXaHJHJG44mZgOtiF7LPFg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ZJKHP5QoIdW4elzardySPNKwiX/RLGEQZiC1j7Js3BPN8gk8gXGOcfIq0d8qpb+9J 8IVZIWqPSk9UTkNlluUbrYA5vn46p6MyRFXrkDPZBqpfbNsGy3njcPoMSdA4qZC1Di NvnxLDQ+QcDkPvw7JRO+pc+i6WkrcR6XtTKveAT4= From: "rguenth 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 08:38:59 +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: rguenth 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: 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 #52 from Richard Biener --- (In reply to Richard Biener from comment #51) > (In reply to Martin Li=C5=A1ka from comment #49) >=20 > [...] >=20 > > Can please any GNU make expect judge here? Starting e.g. gimple-match.cc > > early would really help > > to speed up the build process. >=20 > this has come up in the past and there's no reliable way to order things > (just use make -j on such machines and overcommit?) Doesn't make a difference to overall time so early starting isn't the issue it seems.=