From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 646633858C3A; Thu, 1 Dec 2022 09:43:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 646633858C3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669887803; bh=LaT0x9NEXwovUDQsyTcKIn+HwEnchtt6GQbTrwu/bT0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=snoElGxN5TV4imAodWGOISinGBEug8MlI17eeeBidcwYHpoVoMOScwlnrcr+/acoa kvYFMY/muDzqZkz2vQYFPkX/qTm9rFCEbd4DY0F8Pw6MLHi2HQ75sufsbIm4/gacd5 2++eugOFGT+QDWy6isOSrCpOwGzAkUaHVnSZSKXE= 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 09:43:16 +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: 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 #54 from Martin Li=C5=A1ka --- > Try LTOing libbackend.a? So this option is not feasible as well, we're paying a too high price for parallel WPA of the LTO and the resulting time on 32 cores is even slower := /=