From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5B9AB3858D35; Thu, 1 Dec 2022 10:03:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5B9AB3858D35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669889009; bh=ydOHWnQo0vRFk6OQhL3CEOhmnX1psLcQIgelaSt7Mgg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=D2gJlLo5CGvfxVi9toZGZUJwyrBUb2x0zTBTALIDJSNFh5Nl8zWPeIa8lHAcVW3e0 iosnBveEcczzdmNH6/5CwvjZuVk9vnd0GZ/u0GvltYpYsdLC9r9gEA7MlwOUEIvO0v GOIyHAcC4dtMqXMU+DK3XWqIB/Vk+5WRYkxokB7k= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck Date: Thu, 01 Dec 2022 10:03:27 +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 #56 from Martin Li=C5=A1ka --- Created attachment 53996 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53996&action=3Dedit make all-host on Ryzen 9 with LTO partial linking Using partial linking for the following 4 objects (gimple-match.o generic-match.o insn-recog.o insn-emit.o), I can speed up build of all-host= by almost 30s from 145 to 115 seconds).=