From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 48651385802E; Thu, 25 Mar 2021 16:59:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 48651385802E From: "skpgkp2 at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug libc/24872] __memmove_avx_unaligned_erms() performs significantly much slower than __memcpy_ssse3() Date: Thu, 25 Mar 2021 16:59:02 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: libc X-Bugzilla-Version: 2.27 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: skpgkp2 at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: security- 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://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: glibc-bugs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-bugs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Mar 2021 16:59:02 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D24872 --- Comment #9 from Sunil Pandey --- Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz $ time ./a.out real 0m29.613s user 0m29.585s sys 0m0.003s $ time GLIBC_TUNABLES=3Dglibc.cpu.hwcaps=3D-AVX_Fast_Unaligned_Load,-Fast_Unaligne= d_Copy ./a.out real 0m29.651s user 0m29.622s sys 0m0.004s --=20 You are receiving this mail because: You are on the CC list for the bug.=