From patchwork Tue Oct 16 18:47:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Wang, Yipeng1" X-Patchwork-Id: 46930 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2761C58FE; Wed, 17 Oct 2018 03:52:24 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id C394B58EC for ; Wed, 17 Oct 2018 03:52:22 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Oct 2018 18:52:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,389,1534834800"; d="scan'208";a="100060690" Received: from skx-yipeng.jf.intel.com ([10.54.81.175]) by orsmga001.jf.intel.com with ESMTP; 16 Oct 2018 18:52:22 -0700 From: Yipeng Wang To: john.mcnamara@intel.com Cc: dev@dpdk.org, yipeng1.wang@intel.com, honnappa.nagarahalli@arm.com, sameh.gobriel@intel.com Date: Tue, 16 Oct 2018 11:47:32 -0700 Message-Id: <1539715652-101433-1-git-send-email-yipeng1.wang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539206862-306341-1-git-send-email-yipeng1.wang@intel.com> References: <1539206862-306341-1-git-send-email-yipeng1.wang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH] doc: update release note for hash library X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch updates release note for the new extendable bucket feature and the partial-key hashing. Signed-off-by: Yipeng Wang Acked-by: Honnappa Nagarahalli --- doc/guides/rel_notes/release_18_11.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/guides/rel_notes/release_18_11.rst b/doc/guides/rel_notes/release_18_11.rst index c13ea82..95c218d 100644 --- a/doc/guides/rel_notes/release_18_11.rst +++ b/doc/guides/rel_notes/release_18_11.rst @@ -164,6 +164,13 @@ New Features this application doesn't need to launch dedicated worker threads for vhost enqueue/dequeue operations. +* **Added extendable bucket feature to hash library (rte_hash).** + + This new “extendable bucket” feature provides 100% insertion guarantee to + the capacity specified by the user by extending hash table with extra + buckets when needed to accommodate the unlikely event of intensive hash + collisions. In addition, the internal hashing algorithm was changed to use + partial-key hashing to improve memory efficiency and lookup performance. API Changes -----------