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{
    "id": 40921,
    "url": "http://patchwork.dpdk.org/api/covers/40921/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/cover/1528455078-328182-1-git-send-email-yipeng1.wang@intel.com/",
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    "msgid": "<1528455078-328182-1-git-send-email-yipeng1.wang@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1528455078-328182-1-git-send-email-yipeng1.wang@intel.com",
    "date": "2018-06-08T10:51:15",
    "name": "[dpdk-dev,v1,0/3] Add read-write concurrency to rte_hash library",
    "submitter": {
        "id": 754,
        "url": "http://patchwork.dpdk.org/api/people/754/?format=api",
        "name": "Wang, Yipeng1",
        "email": "yipeng1.wang@intel.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/cover/1528455078-328182-1-git-send-email-yipeng1.wang@intel.com/mbox/",
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        {
            "id": 62,
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            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=62",
            "date": "2018-06-08T10:51:15",
            "name": "Add read-write concurrency to rte_hash library",
            "version": 1,
            "mbox": "http://patchwork.dpdk.org/series/62/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/covers/40921/comments/",
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 090131BB2C;\n\tFri,  8 Jun 2018 19:56:40 +0200 (CEST)",
            "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby dpdk.org (Postfix) with ESMTP id 0B6581BB0C\n\tfor <dev@dpdk.org>; Fri,  8 Jun 2018 19:56:38 +0200 (CEST)",
            "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t08 Jun 2018 10:56:36 -0700",
            "from skx-yipeng.jf.intel.com ([10.54.81.175])\n\tby fmsmga002.fm.intel.com with ESMTP; 08 Jun 2018 10:56:36 -0700"
        ],
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        "X-IronPort-AV": "E=Sophos;i=\"5.49,490,1520924400\"; d=\"scan'208\";a=\"55270336\"",
        "From": "Yipeng Wang <yipeng1.wang@intel.com>",
        "To": "pablo.de.lara.guarch@intel.com",
        "Cc": "dev@dpdk.org, yipeng1.wang@intel.com, john.mcnamara@intel.com,\n\tbruce.richardson@intel.com, honnappa.nagarahalli@arm.com,\n\tvguvva@caviumnetworks.com, brijesh.s.singh@gmail.com",
        "Date": "Fri,  8 Jun 2018 03:51:15 -0700",
        "Message-Id": "<1528455078-328182-1-git-send-email-yipeng1.wang@intel.com>",
        "X-Mailer": "git-send-email 2.7.4",
        "Subject": "[dpdk-dev] [PATCH v1 0/3] Add read-write concurrency to rte_hash\n\tlibrary",
        "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://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
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        "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This patch set adds the read-write concurrency support in rte_hash.\nA new flag value is added to indicate if read-write concurrency is needed\nduring creation time. Test cases are implemented to do functional and\nperformance tests.\n\nThe new concurrency model is based on rte_rwlock. When Intel TSX is\navailable and the users indicate to use it, the TM version of the\nrte_rwlock will be called. Both multi-writer and read-write concurrency\nare protected by the rte_rwlock instead of the x86 specific RTM\ninstructions, so the x86 specific header rte_cuckoo_hash_x86.h is removed\nand the code is infused into the main .c file.\n\nA new rte_hash_count API is proposed to count how many keys are inserted into\nthe hash table.\n\nYipeng Wang (3):\n  hash: add read and write concurrency support\n  test: add test case for read write concurrency\n  hash: add new API function to query the key count\n\n lib/librte_hash/rte_cuckoo_hash.c     | 658 +++++++++++++++++++++-------------\n lib/librte_hash/rte_cuckoo_hash.h     |  16 +-\n lib/librte_hash/rte_cuckoo_hash_x86.h | 164 ---------\n lib/librte_hash/rte_hash.h            |  14 +\n lib/librte_hash/rte_hash_version.map  |   8 +\n test/test/Makefile                    |   1 +\n test/test/test_hash.c                 |  12 +\n test/test/test_hash_multiwriter.c     |   9 +\n test/test/test_hash_perf.c            |  36 +-\n test/test/test_hash_readwrite.c       | 649 +++++++++++++++++++++++++++++++++\n 10 files changed, 1135 insertions(+), 432 deletions(-)\n delete mode 100644 lib/librte_hash/rte_cuckoo_hash_x86.h\n create mode 100644 test/test/test_hash_readwrite.c"
}