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https://patches.dpdk.org/api/covers/101744/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/1634290206-251913-1-git-send-email-vladimir.medvedkin@intel.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": "<1634290206-251913-1-git-send-email-vladimir.medvedkin@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1634290206-251913-1-git-send-email-vladimir.medvedkin@intel.com", "date": "2021-10-15T09:30:01", "name": "[v2,0/5] optimized Toeplitz hash implementation", "submitter": { "id": 1216, "url": "https://patches.dpdk.org/api/people/1216/?format=api", "name": "Vladimir Medvedkin", "email": "vladimir.medvedkin@intel.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/1634290206-251913-1-git-send-email-vladimir.medvedkin@intel.com/mbox/", "series": [ { "id": 19685, "url": "https://patches.dpdk.org/api/series/19685/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=19685", "date": "2021-10-15T09:30:01", "name": "optimized Toeplitz hash implementation", "version": 2, "mbox": "https://patches.dpdk.org/series/19685/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/101744/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 81CB1A0C4B;\n\tFri, 15 Oct 2021 11:30:13 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 6B7D4410F1;\n\tFri, 15 Oct 2021 11:30:13 +0200 (CEST)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n by mails.dpdk.org (Postfix) with ESMTP id 8EFD140041\n for <dev@dpdk.org>; Fri, 15 Oct 2021 11:30:11 +0200 (CEST)", "from orsmga002.jf.intel.com ([10.7.209.21])\n by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 15 Oct 2021 02:30:10 -0700", "from silpixa00400072.ir.intel.com ([10.237.222.213])\n by orsmga002.jf.intel.com with ESMTP; 15 Oct 2021 02:30:08 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10137\"; a=\"251328271\"", "E=Sophos;i=\"5.85,375,1624345200\"; d=\"scan'208\";a=\"251328271\"", "E=Sophos;i=\"5.85,375,1624345200\"; d=\"scan'208\";a=\"461516978\"" ], "X-ExtLoop1": "1", "From": "Vladimir Medvedkin <vladimir.medvedkin@intel.com>", "To": "dev@dpdk.org", "Cc": "yipeng1.wang@intel.com, sameh.gobriel@intel.com,\n bruce.richardson@intel.com, konstantin.ananyev@intel.com,\n stephen@networkplumber.org", "Date": "Fri, 15 Oct 2021 10:30:01 +0100", "Message-Id": "<1634290206-251913-1-git-send-email-vladimir.medvedkin@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1630944239-363648-1-git-send-email-vladimir.medvedkin@intel.com>", "References": "<1630944239-363648-1-git-send-email-vladimir.medvedkin@intel.com>", "Subject": "[dpdk-dev] [PATCH v2 0/5] optimized Toeplitz hash implementation", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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 series adds a new optimized implementation for the Toeplitz hash\nfunction using Galois Fields New instruction (GFNI).\nThe main use case of this function is to calculate the hash value for a single\ndata, so there is no bulk implementation.\nFor performance reasons, the implementation was placed in a public header.\nIt is the responsibility of the user to ensure the platform supports GFNI\n(by doing runtime checks of rte_thash_gfni_supported variable) before calling\nthese functions.\n\nv2:\n- fixed typos\n- made big_rss_key static const and indented\n- addressed Konstantin's comments\n\nVladimir Medvedkin (5):\n hash: add new toeplitz hash implementation\n hash: enable gfni thash implementation\n doc/hash: update documentation for the thash library\n test/thash: add tests for a new Toeplitz hash function\n test/thash: add performance tests for the Toeplitz hash\n\n app/test/meson.build | 2 +\n app/test/test_thash.c | 231 +++++++++++++++++++++++++++\n app/test/test_thash_perf.c | 125 +++++++++++++++\n doc/api/doxy-api-index.md | 1 +\n doc/guides/prog_guide/toeplitz_hash_lib.rst | 37 ++++-\n doc/guides/rel_notes/release_21_11.rst | 4 +\n lib/hash/meson.build | 1 +\n lib/hash/rte_thash.c | 72 ++++++++-\n lib/hash/rte_thash.h | 43 ++++++\n lib/hash/rte_thash_gfni.h | 232 ++++++++++++++++++++++++++++\n lib/hash/version.map | 3 +\n 11 files changed, 743 insertions(+), 8 deletions(-)\n create mode 100644 app/test/test_thash_perf.c\n create mode 100644 lib/hash/rte_thash_gfni.h" }{ "id": 101744, "url": "