From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 823AE41A93 for ; Tue, 17 Oct 2023 11:26:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CUFvAdFh" Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9154B0 for ; Tue, 17 Oct 2023 04:26:55 -0700 (PDT) Received: by mail-lj1-x232.google.com with SMTP id 38308e7fff4ca-2c16757987fso69721241fa.3 for ; Tue, 17 Oct 2023 04:26:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697542014; x=1698146814; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=mrPEDQIfS8myn90VdtG7Z+Jy8KtQq8Z5RZA+Vo/542M=; b=CUFvAdFh3+j2ng/tH+ncDfsc9hLOnlgxeRB1OZ1yd8cRxCephedAgV8m/hrykw51HK TWUgdqQ7nT7RQ23E/XL0DTiyyEnN4lspnWkqJBwXtUyik5LsjkO0t6wAi2iC/0Pr3oie c1jpTeW5+4wdU2m/zFusKDYDuW4tG/FCIKG5cxmaCA2d8dSszUzJOchJiytVk0FHJcjh Gsx1Q3KYs/PbVyEQSGujEdVz6bcn3CcYMEeC5djUpYBMwoIR7hkG1GYqIviUMlimNbUe Hog/XAx5gAtfxEqB9a3LoHUGYyKWFtlrcHfGXQJvFoSfURTZI1Gvdjmr9GdpwHC57hw+ 3yLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697542014; x=1698146814; 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=mrPEDQIfS8myn90VdtG7Z+Jy8KtQq8Z5RZA+Vo/542M=; b=Q+h3GDczQbNq6jjK6yCAWYp/K6g2uzjyAeEzSQMpyJ1K1FLEjMTAQpKbBjdk9IQXss UoCTibGjJgZB4r6QVHUgY/l1+3K+NoSRPzgVMs8N+q1Imh/eL3tJ3uXi8GK52i3NL+pv ykNvPTGwxfjUjKrkO6cpPN7VFe6x8L56ET9vG6kil6sMrat53tXX1o+YEf07pyCfH9iS +kQZiZSyr2lZEhAbctAFzO+lqRPlUSTCasWnvE6lv9wmgg98NaZ62ehXOHFwUleZyAw0 R6ATQaNaL1+TdYxX1GEBAHhzlXOT7U+wh+qcmYCPGma1JYCoWDnnL9LGYJtqyPPUUa/a 6aTw== X-Gm-Message-State: AOJu0YzbsB4Xma0vVcmr9bLbQiJLJ6wrBUBbhOHCkDsw8JSrzIlIkLad 99Ow9gxgfZ1Mh6AgVUybgrQSI/6FZvIrDomSstQ= X-Google-Smtp-Source: AGHT+IENlhC/ey3U5k6d8Zmi3Iqqfl0mXehHOr2xRmCWHRJE+uWO2iLA6wOkxp8toMD5Wy5vbUYccpYLSEK2f/HkTv8= X-Received: by 2002:a05:651c:50c:b0:2c5:1542:57e9 with SMTP id o12-20020a05651c050c00b002c5154257e9mr1550891ljp.41.1697542013933; Tue, 17 Oct 2023 04:26:53 -0700 (PDT) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20230916010625.2771731-1-lixiaoyan@google.com> In-Reply-To: <20230916010625.2771731-1-lixiaoyan@google.com> From: Sunil Kovvuri Date: Tue, 17 Oct 2023 16:56:42 +0530 Message-ID: Subject: Re: [PATCH v1 net-next 0/5] Analyze and Reorganize core Networking Structs to optimize cacheline consumption To: Coco Li Cc: Jakub Kicinski , Eric Dumazet , Neal Cardwell , Mubashir Adnan Qureshi , Paolo Abeni , netdev@vger.kernel.org, Chao Wu , Wei Wang Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net > On AMD platforms with 100Gb/s NIC and 256Mb L3 cache: > IPv6 > Flows with patches clean kernel Percent reduction > 30k 0.000202535503 0.0003275329163 -38.16% > > On Intel platforms with 200Gb/s NIC and 105Mb L3 cache: > IPv6 > Flows with patches clean kernel Percent reduction > 30k 0.0006296537873 0.0006370427753 -1.16% > Great work !!. What are the L1/L2 cache size and cache line width on these AMD and Intel platforms ? Thanks, Sunil.