From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 57E6EA04DC; Mon, 19 Oct 2020 16:41:23 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AFAA3BE41; Mon, 19 Oct 2020 16:41:21 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by dpdk.org (Postfix) with ESMTP id B7F05BE39 for ; Mon, 19 Oct 2020 16:41:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603118477; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=M4kpBHQ5cP8rYtJN4KW6bV5z8u/XI22T3moNLKH9/lw=; b=RefEaSRSu8bf6hR33BS5aZr+Lk/Cswob41KAxBMycC0BT2jRuxzMaGITlL3aMPo94hn59Y U9VMWwZ8F9JWtyAScP4b2qTRRNShoTLFliuiXY9VkhnqY2vJaVVfFbpfp+xLBKTJk51NLo cySCt+j+w8VeR2Sd6IuKSAzGyvY6iQk= Received: from mail-vk1-f200.google.com (mail-vk1-f200.google.com [209.85.221.200]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-477-SO_hA4xmMf-u2QHqtRg6hw-1; Mon, 19 Oct 2020 10:41:15 -0400 X-MC-Unique: SO_hA4xmMf-u2QHqtRg6hw-1 Received: by mail-vk1-f200.google.com with SMTP id l7so32830vki.0 for ; Mon, 19 Oct 2020 07:41:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=M4kpBHQ5cP8rYtJN4KW6bV5z8u/XI22T3moNLKH9/lw=; b=rmC9X/K56fOFBEnWfkuIYJUcDFbQHs+y7BKQoYkdfmWPCWtkFOX6yoxw8DP0aI5UUr ojjN8npIRvdpaIyMHSwc4fAhAOg5869nH4+I45NvkSKe4ds0qBjGOcW/aElH/zFAmsTH GwGwXdw3IHi/cfb7vXh+OttYAt+2ogXqicUjVbLePYfMKIlcq+IKBtOydxKRK70QIm5B Ml19TOF2YWrZFkhCY9Ak1SwLqEMexFU+F39OnDktegs19qpc8qU7mrzT1up2z/GckDie JTAp4pMjzI5Grq3+oRY6a0280QtzVvebOWzlfXOVp0RGv/ixjNVXDAR6I4kXlw44WM4y KWCQ== X-Gm-Message-State: AOAM531ndQlOrzqgJkJ5uoG0qQ3HmTDEx5tD4RRzcHxy29nneoEB3KeW npPHp0Z3L5JyI+nbDuqq3FVSYiGHaoOUiZa9ymZRqJbXOlWKoYACEvvoB/8DIOwVj3pjBwdRtBQ rIPw9f/Fz3U1ySHC6rqI= X-Received: by 2002:a9f:2e11:: with SMTP id t17mr2798157uaj.126.1603118474686; Mon, 19 Oct 2020 07:41:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJymh80mj4LZgR9lro6B4LZYW+g8Orvrig2akMLq+AtS/E7GJ2KR+VRh7vt+Dc8u4p62dvZl19sOkoQHd74eDY0= X-Received: by 2002:a9f:2e11:: with SMTP id t17mr2798132uaj.126.1603118474302; Mon, 19 Oct 2020 07:41:14 -0700 (PDT) MIME-Version: 1.0 References: <20201019134858.32507-1-david.marchand@redhat.com> In-Reply-To: <20201019134858.32507-1-david.marchand@redhat.com> From: David Marchand Date: Mon, 19 Oct 2020 16:41:03 +0200 Message-ID: To: dev Cc: Jan Viktorin , "Ruifeng Wang (Arm Technology China)" , Jerin Jacob Kollanukkaran , David Christensen , Bruce Richardson , "Ananyev, Konstantin" , Ciara Power Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dmarchan@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [PATCH v10 00/18] add max SIMD bitwidth to EAL X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Oct 19, 2020 at 3:49 PM David Marchand wrote: > > From: Ciara Power > > A number of components in DPDK have optional AVX-512 or other vector > code paths which can be selected at runtime. Rather than having each > component provide its own mechanism to select a code path, this patchset > adds support for a single setting to control what code paths are used. > This can be used to enable some non-default code paths e.g. ones using > AVX-512, but also to limit the code paths to certain vector widths, or > to scalar code only, which is useful for testing. > > The max SIMD bitwidth setting can be set by the app itself through use of > the available API, or can be overriden by a commandline argument passed by > the user. Series applied, thanks Ciara! -- David Marchand