From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) by sourceware.org (Postfix) with ESMTPS id 8E745392AC0B for ; Tue, 15 Nov 2022 20:17:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8E745392AC0B Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=opensuse.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=cristianrodriguez.net Received: by mail-io1-f43.google.com with SMTP id h206so11577736iof.10 for ; Tue, 15 Nov 2022 12:17:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=tvn7pe+Q51eALJ2Br+ln7bnqmUur57YXj4y3S8IChSw=; b=MMsF+oEa03eWWWv9iMI377JdelCukUgE85HzdMHOvqFdlFLyGWKDo1nt/PthHRhoU6 0KU2DIapG/oM5+hjReFsLF962rzHpHZpd6fXGL7WlDlb5dlApdEOKwkBdW7hS9jjUkHu JhszvGVQ+5zkPj6toHD1O8ZIPaOsDmAHX/922PXV9KBH/Vycw6JXrYzMGcFBmnMHK39N irgIBDwU+40IV1S4JEsfB8BpwO93aLkr7T6h66c9vi1/h4OEwnvFmd5Pkkv/pHDyNzgv WRYtEykpQd9UHrWOf5cfAhpRBrQ/SF3aAgsmXRvWEV5i4Lg/7qSpPG1uSNndCGXB5HVf Gd+A== X-Gm-Message-State: ANoB5pleH8bPitWtaIfg3Fldk1G46P+nUiJpa6XNrpqRBeB1fFJ8ADF4 9H/1KKFfBvRAw2KB+iNIoH2pBv7uTJRPdGQ/92HFykGIXfw= X-Google-Smtp-Source: AA0mqf4Ybj01k/qwj8qboZANV4etxd6fdnbTu4PIqtwVPdHD42TyNWyFhv4CeydbMZelqEXnHMWwsHNYloIzXDVTbes= X-Received: by 2002:a05:6638:3cc3:b0:363:cdfd:3b94 with SMTP id bc3-20020a0566383cc300b00363cdfd3b94mr8831691jab.254.1668543459771; Tue, 15 Nov 2022 12:17:39 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: =?UTF-8?Q?Cristian_Rodr=C3=ADguez?= Date: Tue, 15 Nov 2022 17:17:28 -0300 Message-ID: Subject: Re: [PATCH] Improve performance of libc locks To: Wilco Dijkstra Cc: GNU C Library Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Thu, Aug 11, 2022 at 12:23 PM Wilco Dijkstra via Libc-alpha wrote: > > Improve performance of libc locks by adding a fast path for the > single-threaded case. > > On Neoverse V1, a loop using rand() improved 3.6 times. Multithreaded > performance is unchanged. > > Passes regress on AArch64, OK for commit? > > --- > Ping ? I saw the stdio one was committed but what happened with this one ?