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https://patches.dpdk.org/api/covers/84258/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20201117100635.27690-1-joyce.kong@arm.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20201117100635.27690-1-joyce.kong@arm.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201117100635.27690-1-joyce.kong@arm.com", "date": "2020-11-17T10:06:31", "name": "[v1,0/4] Vectorize packed ring RX/TX path with NEON", "submitter": { "id": 970, "url": "https://patches.dpdk.org/api/people/970/?format=api", "name": "Joyce Kong", "email": "joyce.kong@arm.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20201117100635.27690-1-joyce.kong@arm.com/mbox/", "series": [ { "id": 13920, "url": "https://patches.dpdk.org/api/series/13920/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=13920", "date": "2020-11-17T10:06:31", "name": "Vectorize packed ring RX/TX path with NEON", "version": 1, "mbox": "https://patches.dpdk.org/series/13920/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/84258/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id E236AA04DB;\n\tTue, 17 Nov 2020 11:07:06 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id BD2DB593A;\n\tTue, 17 Nov 2020 11:07:05 +0100 (CET)", "from foss.arm.com (foss.arm.com [217.140.110.172])\n by dpdk.org (Postfix) with ESMTP id 167C137B1\n for <dev@dpdk.org>; Tue, 17 Nov 2020 11:07:03 +0100 (CET)", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8056E1042;\n Tue, 17 Nov 2020 02:07:02 -0800 (PST)", "from net-arm-thunderx2-03.shanghai.arm.com\n (net-arm-thunderx2-03.shanghai.arm.com [10.169.208.206])\n by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 078343F718;\n Tue, 17 Nov 2020 02:06:59 -0800 (PST)" ], "From": "Joyce Kong <joyce.kong@arm.com>", "To": "maxime.coquelin@redhat.com, chenbo.xia@intel.com, jerinj@marvell.com,\n ruifeng.wang@arm.com, honnappa.nagarahalli@arm.com", "Cc": "dev@dpdk.org,\n\tnd@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 <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch set introduces vectorized RX/TX path for packed ring with NEON\nintrinsics.\n\nWith this patch set, PVP case has 1.5% perf uplift for the packed vectorized\nNEON path compared with the non-vector packed path, under 0.001% acceptable\nloss with 2 cores on vhost side and 1 core on virtio side.\n\nJoyce Kong (4):\n net/virtio: move AVX based Rx and Tx code to separate file\n net/virtio: add vectorized packed ring Rx NEON path\n net/virtio: add vectorized packed ring Tx NEON path\n net/virtio: add election for packed vector NEON path\n\n doc/guides/nics/virtio.rst | 6 +-\n drivers/net/virtio/meson.build | 5 +-\n drivers/net/virtio/virtio_ethdev.c | 19 +-\n drivers/net/virtio/virtio_rxtx.c | 6 +-\n drivers/net/virtio/virtio_rxtx_packed.c | 139 ++++\n drivers/net/virtio/virtio_rxtx_packed.h | 317 ++++++++++\n drivers/net/virtio/virtio_rxtx_packed_avx.c | 626 -------------------\n drivers/net/virtio/virtio_rxtx_packed_avx.h | 239 +++++++\n drivers/net/virtio/virtio_rxtx_packed_neon.h | 293 +++++++++\n drivers/net/virtio/virtio_user_ethdev.c | 2 +-\n 10 files changed, 1012 insertions(+), 640 deletions(-)\n create mode 100644 drivers/net/virtio/virtio_rxtx_packed.c\n create mode 100644 drivers/net/virtio/virtio_rxtx_packed.h\n delete mode 100644 drivers/net/virtio/virtio_rxtx_packed_avx.c\n create mode 100644 drivers/net/virtio/virtio_rxtx_packed_avx.h\n create mode 100644 drivers/net/virtio/virtio_rxtx_packed_neon.h" }{ "id": 84258, "url": "