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 E236AA04DB; Tue, 17 Nov 2020 11:07:06 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id BD2DB593A; Tue, 17 Nov 2020 11:07:05 +0100 (CET) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by dpdk.org (Postfix) with ESMTP id 167C137B1 for ; Tue, 17 Nov 2020 11:07:03 +0100 (CET) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8056E1042; Tue, 17 Nov 2020 02:07:02 -0800 (PST) Received: from net-arm-thunderx2-03.shanghai.arm.com (net-arm-thunderx2-03.shanghai.arm.com [10.169.208.206]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 078343F718; Tue, 17 Nov 2020 02:06:59 -0800 (PST) From: Joyce Kong To: maxime.coquelin@redhat.com, chenbo.xia@intel.com, jerinj@marvell.com, ruifeng.wang@arm.com, honnappa.nagarahalli@arm.com Cc: dev@dpdk.org, nd@arm.com Date: Tue, 17 Nov 2020 18:06:31 +0800 Message-Id: <20201117100635.27690-1-joyce.kong@arm.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200911120906.45995-1-joyce.kong@arm.com> References: <20200911120906.45995-1-joyce.kong@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v1 0/4] Vectorize packed ring RX/TX path with NEON 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" This patch set introduces vectorized RX/TX path for packed ring with NEON intrinsics. With this patch set, PVP case has 1.5% perf uplift for the packed vectorized NEON path compared with the non-vector packed path, under 0.001% acceptable loss with 2 cores on vhost side and 1 core on virtio side. Joyce Kong (4): net/virtio: move AVX based Rx and Tx code to separate file net/virtio: add vectorized packed ring Rx NEON path net/virtio: add vectorized packed ring Tx NEON path net/virtio: add election for packed vector NEON path doc/guides/nics/virtio.rst | 6 +- drivers/net/virtio/meson.build | 5 +- drivers/net/virtio/virtio_ethdev.c | 19 +- drivers/net/virtio/virtio_rxtx.c | 6 +- drivers/net/virtio/virtio_rxtx_packed.c | 139 ++++ drivers/net/virtio/virtio_rxtx_packed.h | 317 ++++++++++ drivers/net/virtio/virtio_rxtx_packed_avx.c | 626 ------------------- drivers/net/virtio/virtio_rxtx_packed_avx.h | 239 +++++++ drivers/net/virtio/virtio_rxtx_packed_neon.h | 293 +++++++++ drivers/net/virtio/virtio_user_ethdev.c | 2 +- 10 files changed, 1012 insertions(+), 640 deletions(-) create mode 100644 drivers/net/virtio/virtio_rxtx_packed.c create mode 100644 drivers/net/virtio/virtio_rxtx_packed.h delete mode 100644 drivers/net/virtio/virtio_rxtx_packed_avx.c create mode 100644 drivers/net/virtio/virtio_rxtx_packed_avx.h create mode 100644 drivers/net/virtio/virtio_rxtx_packed_neon.h -- 2.28.0