From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by sourceware.org (Postfix) with ESMTPS id 6E3FE3858C54 for ; Sat, 13 Aug 2022 11:56:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6E3FE3858C54 Received: by mail-wr1-x431.google.com with SMTP id bs25so3766252wrb.2 for ; Sat, 13 Aug 2022 04:56:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=disposition-notification-to:subject:from:to:content-language :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc; bh=RtND8NF54kZ1Bycq7Jbc5gyq5axy+fca8PODL7XTQTE=; b=t7oNCbPc7SqIyzmrv1XAADQ+4rdwBCCZLY3pXJujWb4amB6GigZ6TuFUkD8lf8vEmt ZrtWyKqHdMpuxEq9e/WVrArB5Z53zaMNYzZiqhzvrKQIOuSOGeCJkm6QiG6OQOdyJQ37 fyVew+mc5kNg0BX6HYWWDSFe2b7Gb4Wbvv0lE+J9doxGAvQ+V7e55PHNUUNXXscls/KZ VHmsROHTfnml166sSmjprRnzks5M2uD+puv4N65X5rQsXIDuDUQLpb2cSjX0cPxR4BYx 6GrULuygRS967YquX3SL2Ko4Y08RcODRCmUPJKGKTR8NSC+KTGnRizcvTJ5DI+obbL0z C5mQ== X-Gm-Message-State: ACgBeo05lfm1EapVWV8+k5xFAD8j7wkdoG3Q07n80hamSS9KHmXoTA/z Uzr6pbGT/ZcZTKuFCMJEjJMl+O1xO8t2Vg== X-Google-Smtp-Source: AA6agR4jxHXftxOyYFn/R/pN/pSve5Z8Qe95XOSvmCbwHfTqAY/MwUPSSbRq5KK9C/hXrcltRv7Qlg== X-Received: by 2002:a5d:6ace:0:b0:220:79cf:763c with SMTP id u14-20020a5d6ace000000b0022079cf763cmr4455121wrw.212.1660391813487; Sat, 13 Aug 2022 04:56:53 -0700 (PDT) Received: from ?IPV6:2a01:e0a:401:a7c0:8f4b:f9ca:adb4:a82c? ([2a01:e0a:401:a7c0:8f4b:f9ca:adb4:a82c]) by smtp.gmail.com with ESMTPSA id p15-20020a05600c358f00b003a5125049c9sm3730947wmq.9.2022.08.13.04.56.51 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 13 Aug 2022 04:56:52 -0700 (PDT) Message-ID: Date: Sat, 13 Aug 2022 13:56:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:105.0) Gecko/20100101 Thunderbird/105.0a1 Content-Language: fr X-Priority: 1 (Highest) To: overseers@sourceware.org From: =?UTF-8?Q?La=C3=ABl_Cellier?= Subject: Reporting a performance issue in glibc X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GB_FREEMAIL_DISPTO, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: overseers@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Overseers mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Aug 2022 11:56:57 -0000 Hello, I would like to report a performance issue so I need an account. The assembly of the avx version of memcpy is written in a way branching is mispredicted most of the time. Please create the account for this.