From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B91353858022; Mon, 30 Oct 2023 14:00:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B91353858022 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1698674403; bh=PDmQyn3ht9prEGmr3TX5lyYeCkPEfffMwU6O6u4u2hc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=L+itmSzcum5ZrlCR2Ebbj+kgUnp1CUT82JxAQJrsrk5miStBKBflnem5tHVZjZdOX UTXA4JZ22ydrF8Pg9hAS52tLg7x8UU9ZmYHrn8hJveqL7YuFWusww9OiC5Dm/ffUCW KiYsLqCqelntxbJFTuaItFy4jso1zx4xAHIKFLzk= From: "bmerry at sarao dot ac.za" To: glibc-bugs@sourceware.org Subject: [Bug string/30995] Zen 4: sub-optimal memcpy on very large copies Date: Mon, 30 Oct 2023 14:00:03 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: string X-Bugzilla-Version: 2.38 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: bmerry at sarao dot ac.za X-Bugzilla-Status: UNCONFIRMED 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 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30995 --- Comment #6 from Bruce Merry --- > As a side-note, the benchmark you are referring does not have some of the= options you are using (-r, memcpy_rep_movsb). Oh, I linked to a fixed commit and those features have since been added to main: https://github.com/ska-sa/katgpucbf/blob/main/scratch/memcpy_loop.cpp --=20 You are receiving this mail because: You are on the CC list for the bug.=