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GET /api/patches/66711/?format=api
{ "id": 66711, "url": "https://patches.dpdk.org/api/patches/66711/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/cover.1584360151.git.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": "<cover.1584360151.git.vladimir.medvedkin@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/cover.1584360151.git.vladimir.medvedkin@intel.com", "date": "2020-03-16T13:38:26", "name": "[0/3] add new Double Word Key hash table", "commit_ref": null, "pull_url": null, "state": null, "archived": false, "hash": null, "submitter": { "id": 1216, "url": "https://patches.dpdk.org/api/people/1216/?format=api", "name": "Vladimir Medvedkin", "email": "vladimir.medvedkin@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/cover.1584360151.git.vladimir.medvedkin@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/66711/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/66711/checks/", "tags": {}, "related": [], "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 EB5C3A0559;\n\tMon, 16 Mar 2020 14:38:39 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 500E31BF30;\n\tMon, 16 Mar 2020 14:38:39 +0100 (CET)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n by dpdk.org (Postfix) with ESMTP id DA082CF3\n for <dev@dpdk.org>; Mon, 16 Mar 2020 14:38:37 +0100 (CET)", "from orsmga007.jf.intel.com ([10.7.209.58])\n by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Mar 2020 06:38:36 -0700", "from silpixa00400072.ir.intel.com ([10.237.222.213])\n by orsmga007.jf.intel.com with ESMTP; 16 Mar 2020 06:38:35 -0700" ], "IronPort-SDR": [ "\n AilapkSkJMUKM0QkR550mEn8v/5axKryTvjbkcm/0KfmWQ7F0tiq46dwI4DfeLZU4o9R8rWNKV\n DqzgbCLDrv9Q==", "\n NVOKJKjmeR1J4tl+OGWReb5ZkhwemqC5ezICod4ZWoNH5N0yK9tgQH3ED2jL9IdtLThJsFmlsz\n PPJOEpAAwmiQ==" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.70,560,1574150400\"; d=\"scan'208\";a=\"233166904\"", "From": "Vladimir Medvedkin <vladimir.medvedkin@intel.com>", "To": "dev@dpdk.org", "Cc": "konstantin.ananyev@intel.com, yipeng1.wang@intel.com,\n sameh.gobriel@intel.com, bruce.richardson@intel.com", "Date": "Mon, 16 Mar 2020 13:38:26 +0000", "Message-Id": "<cover.1584360151.git.vladimir.medvedkin@intel.com>", "X-Mailer": "git-send-email 2.7.4", "Subject": "[dpdk-dev] [PATCH 0/3] add new Double Word Key hash table", "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": "Currently DPDK has a special implementation of a hash table for\n4 byte keys which is called FBK hash. Unfortunately its main drawback\nis that it only supports 2 byte values.\nThe new implementation called DWK (double word key) hash\nsupports 8 byte values, which is enough to store a pointer.\n\nIt would also be nice to get feedback on whether to leave the old FBK\nand new DWK implementations, or whether to deprecate the old one?\n\nVladimir Medvedkin (3):\n hash: add dwk hash library\n test: add dwk hash autotests\n test: add dwk perf tests\n\n app/test/Makefile | 1 +\n app/test/meson.build | 1 +\n app/test/test_dwk_hash.c | 229 +++++++++++++++++++++++++++++\n app/test/test_hash_perf.c | 81 +++++++++++\n lib/Makefile | 2 +-\n lib/librte_hash/Makefile | 4 +-\n lib/librte_hash/meson.build | 5 +-\n lib/librte_hash/rte_dwk_hash.c | 271 +++++++++++++++++++++++++++++++++++\n lib/librte_hash/rte_dwk_hash.h | 178 +++++++++++++++++++++++\n lib/librte_hash/rte_hash_version.map | 5 +\n 10 files changed, 773 insertions(+), 4 deletions(-)\n create mode 100644 app/test/test_dwk_hash.c\n create mode 100644 lib/librte_hash/rte_dwk_hash.c\n create mode 100644 lib/librte_hash/rte_dwk_hash.h", "diff": null, "prefixes": [ "0/3" ] }