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GET /api/patches/80871/?format=api
{ "id": 80871, "url": "http://patches.dpdk.org/api/patches/80871/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20201015103814.253636-16-ciara.power@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": "<20201015103814.253636-16-ciara.power@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201015103814.253636-16-ciara.power@intel.com", "date": "2020-10-15T10:38:11", "name": "[v6,15/18] efd: add checks for max SIMD bitwidth", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "4b7f44334d1bdca0c5c7dcd4110a39bdf632169f", "submitter": { "id": 978, "url": "http://patches.dpdk.org/api/people/978/?format=api", "name": "Power, Ciara", "email": "ciara.power@intel.com" }, "delegate": { "id": 24651, "url": "http://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20201015103814.253636-16-ciara.power@intel.com/mbox/", "series": [ { "id": 13000, "url": "http://patches.dpdk.org/api/series/13000/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=13000", "date": "2020-10-15T10:37:56", "name": "add max SIMD bitwidth to EAL", "version": 6, "mbox": "http://patches.dpdk.org/series/13000/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/80871/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/80871/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 C0E76A04DB;\n\tThu, 15 Oct 2020 12:43:36 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 866411E31A;\n\tThu, 15 Oct 2020 12:39:00 +0200 (CEST)", "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n by dpdk.org (Postfix) with ESMTP id BA51C1DFEE\n for <dev@dpdk.org>; Thu, 15 Oct 2020 12:38:57 +0200 (CEST)", "from fmsmga006.fm.intel.com ([10.253.24.20])\n by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 15 Oct 2020 03:38:57 -0700", "from silpixa00400355.ir.intel.com (HELO\n silpixa00400355.ger.corp.intel.com) ([10.237.222.239])\n by fmsmga006.fm.intel.com with ESMTP; 15 Oct 2020 03:38:55 -0700" ], "IronPort-SDR": [ "\n uCmPb9InFvp6iTT8q40eXMUyFKfOX7V32DXt59hyVxemgdNE2gUmloPXTdskEprTwqP5nfOhKb\n GGij7zOAevpg==", "\n M5HBR78Ca0iQ1s/T6FY+xD9gijnh6ZJj9rOs7b0g3MwmfqMvWMtvLuJcTqnPfPVehRz9KCiYEN\n 7bcCtD9LgrxA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9774\"; a=\"227964288\"", "E=Sophos;i=\"5.77,378,1596524400\"; d=\"scan'208\";a=\"227964288\"", "E=Sophos;i=\"5.77,378,1596524400\"; d=\"scan'208\";a=\"520728586\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "From": "Ciara Power <ciara.power@intel.com>", "To": "dev@dpdk.org", "Cc": "viktorin@rehivetech.com, ruifeng.wang@arm.com, jerinj@marvell.com,\n drc@linux.vnet.ibm.com, bruce.richardson@intel.com,\n konstantin.ananyev@intel.com, Ciara Power <ciara.power@intel.com>,\n Byron Marohn <byron.marohn@intel.com>, Yipeng Wang <yipeng1.wang@intel.com>", "Date": "Thu, 15 Oct 2020 11:38:11 +0100", "Message-Id": "<20201015103814.253636-16-ciara.power@intel.com>", "X-Mailer": "git-send-email 2.22.0", "In-Reply-To": "<20201015103814.253636-1-ciara.power@intel.com>", "References": "<20200807155859.63888-1-ciara.power@intel.com>\n <20201015103814.253636-1-ciara.power@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v6 15/18] efd: add checks for max SIMD bitwidth", "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": "When choosing a vector path to take, an extra condition must be\nsatisfied to ensure the max SIMD bitwidth allows for the CPU enabled\npath.\n\nCc: Byron Marohn <byron.marohn@intel.com>\nCc: Yipeng Wang <yipeng1.wang@intel.com>\n\nSigned-off-by: Ciara Power <ciara.power@intel.com>\nAcked-by: Yipeng Wang <yipeng1.wang@intel.com>\n\n---\nv4: Updated enum name.\n---\n lib/librte_efd/rte_efd.c | 7 +++++--\n 1 file changed, 5 insertions(+), 2 deletions(-)", "diff": "diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c\nindex 6a799556d4..e925b73a9c 100644\n--- a/lib/librte_efd/rte_efd.c\n+++ b/lib/librte_efd/rte_efd.c\n@@ -645,7 +645,9 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,\n \t * For less than 4 bits, scalar function performs better\n \t * than vectorised version\n \t */\n-\tif (RTE_EFD_VALUE_NUM_BITS > 3 && rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))\n+\tif (RTE_EFD_VALUE_NUM_BITS > 3\n+\t\t\t&& rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)\n+\t\t\t&& rte_get_max_simd_bitwidth() >= RTE_SIMD_256)\n \t\ttable->lookup_fn = EFD_LOOKUP_AVX2;\n \telse\n #endif\n@@ -655,7 +657,8 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,\n \t * than vectorised version\n \t */\n \tif (RTE_EFD_VALUE_NUM_BITS > 16 &&\n-\t rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON))\n+\t rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON) &&\n+\t\t\trte_get_max_simd_bitwidth() >= RTE_SIMD_128)\n \t\ttable->lookup_fn = EFD_LOOKUP_NEON;\n \telse\n #endif\n", "prefixes": [ "v6", "15/18" ] }