From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f182.google.com (mail-yw0-f182.google.com [209.85.161.182]) by dpdk.org (Postfix) with ESMTP id 5332958CB for ; Sun, 6 Aug 2017 12:31:49 +0200 (CEST) Received: by mail-yw0-f182.google.com with SMTP id l82so29837575ywc.2 for ; Sun, 06 Aug 2017 03:31:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Rk3/YJWu9pXl7B30mQFIEAELW/yaqpOY9zMkdo+mq/M=; b=X9cZPxU+66jcqs2u7bMvjjgC9MNuLUXkbZexF9Monlmc74t5B+8TXulqrQfeClxAO1 E5QF0XFYHOEC4HN3DVf5K1bD3bXW8o+C3NbBIX0xWBkUo3k13VZ/srhLvLFHAo0mJ9EU qPxZnYaOdvlH99wxlyA4bXfUx6eNa4pgjTWZBMT9jCxRRFLuofmznEKJUL8AygQsVfOq 1n6h1yoJbx0XaeTgHEOhmBTNH6xo9mZ6s9VSUVw7X/BcM5cu0MtHZwrqJ5tXJLnwl+yb mwNey6bJdTu06M27WeEObJWqKvI7mPnmkUDmegAxAJ1FAh5b+XKKWWw9bBNNBQYDwERd eiAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Rk3/YJWu9pXl7B30mQFIEAELW/yaqpOY9zMkdo+mq/M=; b=C6/qFQgt+C3V+3/PlU/szm0RfL+ldt/pyyw/X1Naf93bRQynfRPXm5qruiW1WGZlFn kIIbK6CTESsufzTZyRl8irJP9ELfRbEYI6pMv1vBXl3TSoB75/J6qbI3ExfyfORNgxgU HOVJxjXjPezQKOqcJ2KNkednMJsaZZnWo6qZjfagYdbhvICIVkgIhs99NoA2byerNGhE OEMPPu44pE9/xD4BXjGK2b9f9ker8schUFLzsdfoVtYm3AcU3pcZY6FfkiJGXRT44BpY 5GHHcMhLxLL03sCUQm3S0rbUBxBeR6CnN79mTEE+ZE5AtXgN9oD1mYVC2jg3bUwHrz1X ttZA== X-Gm-Message-State: AIVw113og4YZ/tBYeRu8FdhXT+aZ0fPSmVB2hTNSrrRJ81Wb492Rv7gH yhqZ3xyrv8QZ5k3vCCaKPRDDmo77SHIC X-Received: by 10.129.179.1 with SMTP id r1mr6228384ywh.336.1502015508566; Sun, 06 Aug 2017 03:31:48 -0700 (PDT) MIME-Version: 1.0 Received: by 10.129.71.70 with HTTP; Sun, 6 Aug 2017 03:31:48 -0700 (PDT) From: Kevin Wilson Date: Sun, 6 Aug 2017 13:31:48 +0300 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" Subject: [dpdk-users] Hugepage size on x86 architectures: X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Aug 2017 10:31:49 -0000 Hi, dpdk users, I read the section about hugepages in: http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html?highlight=hugepages So I understand that the common hugepage sizes used in x86 architectures are 2MB and 1GB (if 1GB is supported on the CPU, which can be checked by inspecting the CPU flags). Is it possible to use in DPDK other hugepage size than 2MB and 1GB (in order to benchmark performance) on x86 architectures)? In case it is possible - is it expected that different hugepage sizes than 2MB and 1GB will give less performant results ? WK