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{ "id": 103527, "url": "http://patches.dpdk.org/api/covers/103527/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/1635878305-102888-1-git-send-email-vladimir.medvedkin@intel.com/", "project": { "id": 1, "url": "http://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": "<1635878305-102888-1-git-send-email-vladimir.medvedkin@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1635878305-102888-1-git-send-email-vladimir.medvedkin@intel.com", "date": "2021-11-02T18:38:21", "name": "[v8,0/4] optimized Toeplitz hash implementation", "submitter": { "id": 1216, "url": "http://patches.dpdk.org/api/people/1216/?format=api", "name": "Vladimir Medvedkin", "email": "vladimir.medvedkin@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/1635878305-102888-1-git-send-email-vladimir.medvedkin@intel.com/mbox/", "series": [ { "id": 20233, "url": "http://patches.dpdk.org/api/series/20233/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=20233", "date": "2021-11-02T18:38:21", "name": "optimized Toeplitz hash implementation", "version": 8, "mbox": "http://patches.dpdk.org/series/20233/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/103527/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 0854AA0C4B;\n\tTue, 2 Nov 2021 19:38:32 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id C20BC40A4B;\n\tTue, 2 Nov 2021 19:38:32 +0100 (CET)", "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n by mails.dpdk.org (Postfix) with ESMTP id CFD4140689\n for <dev@dpdk.org>; Tue, 2 Nov 2021 19:38:30 +0100 (CET)", "from orsmga007.jf.intel.com ([10.7.209.58])\n by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 02 Nov 2021 11:38:29 -0700", "from silpixa00400072.ir.intel.com ([10.237.222.213])\n by orsmga007.jf.intel.com with ESMTP; 02 Nov 2021 11:38:27 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10156\"; a=\"211397018\"", "E=Sophos;i=\"5.87,203,1631602800\"; d=\"scan'208\";a=\"211397018\"", "E=Sophos;i=\"5.87,203,1631602800\"; d=\"scan'208\";a=\"489227673\"" ], "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, thomas@monjalon.net", "Date": "Tue, 2 Nov 2021 18:38:21 +0000", "Message-Id": "<1635878305-102888-1-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 v8 0/4] 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\nv8:\n- rebased on the latest main\n- fixed buffer overflow reported by ASAN\n\nv7:\n- reworked performance tests code\n\nv6:\n- addressed Thomas and Stephen's comments\n- squash the doc and test commith with the relevant code addition\n- split for 2 patches, each per implementation - single and bulk\n\nv5:\n- rebase on the latest main\n- fix spelling\n\nv4:\n- included rte_log.h inside the rte_thash_gfni.h\n\nv3:\n- implementation moved to x86 specific header\n- added rte_thash_gfni_supported() instead of the variable\n- removed RTE_INIT section, due to adding rte_thash_gfni_supported()\n- reworked rte_thash_complete_matrix() to make it easier tor read\n\nv2:\n- fixed typos\n- made big_rss_key static const and indented\n- addressed Konstantin's comments\n\nVladimir Medvedkin (4):\n hash: add new toeplitz hash implementation\n hash: add bulk toeplitz hash implementation\n hash: enable gfni thash implementation\n test/thash: add performance tests for the Toeplitz hash\n\n app/test/meson.build | 2 +\n app/test/test_thash.c | 237 ++++++++++++++++++++++++++++\n app/test/test_thash_perf.c | 135 ++++++++++++++++\n doc/api/doxy-api-index.md | 1 +\n doc/guides/prog_guide/toeplitz_hash_lib.rst | 38 ++++-\n doc/guides/rel_notes/release_21_11.rst | 4 +\n lib/hash/meson.build | 6 +-\n lib/hash/rte_thash.c | 72 ++++++++-\n lib/hash/rte_thash.h | 54 +++++++\n lib/hash/rte_thash_gfni.h | 87 ++++++++++\n lib/hash/rte_thash_x86_gfni.h | 223 ++++++++++++++++++++++++++\n lib/hash/version.map | 6 +\n 12 files changed, 856 insertions(+), 9 deletions(-)\n create mode 100644 app/test/test_thash_perf.c\n create mode 100644 lib/hash/rte_thash_gfni.h\n create mode 100644 lib/hash/rte_thash_x86_gfni.h" }