From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AD3FC3858D33; Mon, 25 Mar 2024 23:25:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AD3FC3858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711409118; bh=VdT8oQ20/CuHRXxeW81yB7Ph5jJiPTLezLyukRvCf0w=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FWyTh1FrCyVh1Uv9ys8D5BoAtKWDQw5fvMClCXzyNJ/RkqQeXco75tYGt4vScqdVz Wz+FA5Bvg4kKbJamW3uCzjmzIv6YTkpwWxcwSyCyINM47MVVKSA2yRodaKApKWGv/4 I+gjFWYHiBtrBQPVIDGwzzSVZzTj1FSeiF5yC+p0= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/114468] unixbench compilation performance results vary with different gcc compilers (r10-6804-g3133bed5d0327e) Date: Mon, 25 Mar 2024 23:25:18 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.3.0 X-Bugzilla-Keywords: missed-optimization, ra X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: WAITING 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: see_also 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=3D114468 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=3D26944 --- Comment #2 from Andrew Pinski --- Also one should note that register allocation is NP complete problem. So obvious tuning heurstics for one case will most likely cause issues for oth= ers. Also dhrystone benchmark is very much not a decent benchmark for real code.=