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{
    "id": 392,
    "url": "http://patches.dpdk.org/api/patches/392/",
    "web_url": "http://patches.dpdk.org/patch/392/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/",
        "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"
    },
    "msgid": "<1410948102-12740-4-git-send-email-bruce.richardson@intel.com>",
    "date": "2014-09-17T10:01:40",
    "name": "[dpdk-dev,3/5] testpmd: Change rxfreet default to 32",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "4ee0bfce0e8799c580918a3f3872e947a7e7404a",
    "submitter": {
        "id": 20,
        "url": "http://patches.dpdk.org/api/people/20/",
        "name": "Bruce Richardson",
        "email": "bruce.richardson@intel.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/patch/392/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/392/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/392/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "References": "<1410948102-12740-1-git-send-email-bruce.richardson@intel.com>",
        "X-Mailman-Version": "2.1.15",
        "X-IronPort-AV": "E=Sophos;i=\"5.04,540,1406617200\"; d=\"scan'208\";a=\"592535901\"",
        "Date": "Wed, 17 Sep 2014 11:01:40 +0100",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "X-BeenThere": "dev@dpdk.org",
        "Message-Id": "<1410948102-12740-4-git-send-email-bruce.richardson@intel.com>",
        "X-Original-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 7ABFFB3A0;\n\tWed, 17 Sep 2014 11:56:10 +0200 (CEST)",
            "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id 322B7B396\n\tfor <dev@dpdk.org>; Wed, 17 Sep 2014 11:56:08 +0200 (CEST)",
            "from fmsmga001.fm.intel.com ([10.253.24.23])\n\tby fmsmga102.fm.intel.com with ESMTP; 17 Sep 2014 03:01:46 -0700",
            "from irvmail001.ir.intel.com ([163.33.26.43])\n\tby fmsmga001.fm.intel.com with ESMTP; 17 Sep 2014 03:01:43 -0700",
            "from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com\n\t[10.237.217.46])\n\tby irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id\n\ts8HA1gse017176; Wed, 17 Sep 2014 11:01:42 +0100",
            "from sivswdev02.ir.intel.com (localhost [127.0.0.1])\n\tby sivswdev02.ir.intel.com with ESMTP id s8HA1gWL015620;\n\tWed, 17 Sep 2014 11:01:42 +0100",
            "(from bricha3@localhost)\n\tby sivswdev02.ir.intel.com with  id s8HA1gcx015611;\n\tWed, 17 Sep 2014 11:01:42 +0100"
        ],
        "List-Post": "<mailto:dev@dpdk.org>",
        "Subject": "[dpdk-dev] [PATCH 3/5] testpmd: Change rxfreet default to 32",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "X-Mailer": "git-send-email 1.7.4.1",
        "Precedence": "list",
        "From": "Bruce Richardson <bruce.richardson@intel.com>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "X-ExtLoop1": "1",
        "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "Delivered-To": "patchwork@dpdk.org",
        "In-Reply-To": "<1410948102-12740-1-git-send-email-bruce.richardson@intel.com>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "To": "dev@dpdk.org",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "To improve performance by using bulk alloc or vectored RX routines, we\nneed to set rx free threshold (rxfreet) value to 32, so make this the\ntestpmd default.\n\nSigned-off-by: Bruce Richardson <bruce.richardson@intel.com>\n---\n app/test-pmd/testpmd.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c\nindex 9f6cdc4..5751607 100644\n--- a/app/test-pmd/testpmd.c\n+++ b/app/test-pmd/testpmd.c\n@@ -225,7 +225,7 @@ struct rte_eth_thresh tx_thresh = {\n /*\n  * Configurable value of RX free threshold.\n  */\n-uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */\n+uint16_t rx_free_thresh = 32; /* Refill RX descriptors once every 32 packets */\n \n /*\n  * Configurable value of RX drop enable.\n",
    "prefixes": [
        "dpdk-dev",
        "3/5"
    ]
}