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{ "id": 70, "url": "http://patches.dpdk.org/api/covers/70/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20230817212417.3637080-1-Harjot.Singh@arm.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": "<20230817212417.3637080-1-Harjot.Singh@arm.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230817212417.3637080-1-Harjot.Singh@arm.com", "date": "2023-08-17T21:24:16", "name": "[0/1] hash: add SVE support for bulk key lookup", "submitter": { "id": 3154, "url": "http://patches.dpdk.org/api/people/3154/?format=api", "name": "Harjot Singh", "email": "Harjot.Singh@arm.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20230817212417.3637080-1-Harjot.Singh@arm.com/mbox/", "series": [ { "id": 29267, "url": "http://patches.dpdk.org/api/series/29267/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=29267", "date": "2023-08-17T21:24:16", "name": "hash: add SVE support for bulk key lookup", "version": 1, "mbox": "http://patches.dpdk.org/series/29267/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/70/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 B1E1E43094;\n\tThu, 17 Aug 2023 23:24:37 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 316D8406A2;\n\tThu, 17 Aug 2023 23:24:37 +0200 (CEST)", "from foss.arm.com (foss.arm.com [217.140.110.172])\n by mails.dpdk.org (Postfix) with ESMTP id 81E8F4013F\n for <dev@dpdk.org>; Thu, 17 Aug 2023 23:24:35 +0200 (CEST)", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 929F3D75;\n Thu, 17 Aug 2023 14:25:15 -0700 (PDT)", "from 2u-thunderx2.usa.Arm.com (unknown [10.118.12.78])\n by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9FD3A3F6C4;\n Thu, 17 Aug 2023 14:24:34 -0700 (PDT)" ], "From": "Harjot Singh <Harjot.Singh@arm.com>", "To": "", "Cc": "dev@dpdk.org,\n\tnd@arm.com,\n\tHarjot Singh <Harjot.Singh@arm.com>", "Subject": "[PATCH 0/1] hash: add SVE support for bulk key lookup ", "Date": "Thu, 17 Aug 2023 21:24:16 +0000", "Message-Id": "<20230817212417.3637080-1-Harjot.Singh@arm.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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" }, "content": "- Add SVE code to compare_signatures().\n- Tested on Aarch64 N2 based platform with 128 bit vector registers. \n\nPerformance Numbers from hash_perf_autotest :\n\nElements in Primary or Secondary Location\n\nResults (in CPU cycles/operation)\n-----------------------------------\n Operations without data\n\nWithout pre-computed hash values\n\nKeysize Add/Lookup/Lookup_bulk\n Neon SVE\n4 93/71/26 93/71/27\n8 93/70/26 93/70/27\n9 94/74/27 94/74/28\n13 100/80/31 100/79/32\n16 100/78/30 100/78/31\n32 109/110/38 108/110/39\n\nWith pre-computed hash values\n\nKeysize Add/Lookup/Lookup_bulk\n Neon SVE\n4 83/58/27 83/58/29\n8 83/57/27 83/57/28\n9 83/60/28 83/60/29\n13 84/60/28 83/60/29\n16 83/58/27 83/58/29\n32 84/68/31 84/68/32\n\nNote: Functionality verified with 256 bit vector length platform.\n\nHarjot Singh (1):\n hash: add SVE support for bulk key lookup\n\n .mailmap | 1 +\n lib/hash/rte_cuckoo_hash.c | 37 ++++++++++++++++++++++++++++++++++++-\n lib/hash/rte_cuckoo_hash.h | 1 +\n 3 files changed, 38 insertions(+), 1 deletion(-)" }