From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 99152A046B for ; Thu, 27 Jun 2019 23:28:00 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4A2F72B98; Thu, 27 Jun 2019 23:27:56 +0200 (CEST) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id A74331E20 for ; Thu, 27 Jun 2019 23:27:51 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 1289522050; Thu, 27 Jun 2019 17:27:50 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Thu, 27 Jun 2019 17:27:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=ezOIaomcDc5SCw0nAeWOcg7WlKwCeKmECkSUVdC+Wiw=; b=iq2TiEEKTvcp G2DPwpqQDMfHxVn2zQ4OR7gphYbmVrWULCSBKQyJfqfVI8a9GUB7cq2tzSa8gSaB WiHpbwlHXa/CJ4g+lJmMBfnrRieaQZNblUQowMl/Nn6saGgsq2qLyG2FK2K81A7q Xq/j9KU1oNk3la0ZgvnWXBZ+uItjKF4= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=ezOIaomcDc5SCw0nAeWOcg7WlKwCeKmECkSUVdC+W iw=; b=0vqVsJYZeAsfa6UVQwTELpjpJHbqAb67AesRGrm23iBQ0cHRWfF3HUaVI Jo9fXZLeylJwZJQE6b93/xZ17s5P1jy7IUv/NUw5RlOZ6+JxZsiUG1yASZFfOIPI fXDFE6Lhh9D2YIsNqRH0UVum12PYrYcWA+iMc/zlsSxYW4zzl+8vBLAnSfKVqi/H Uck3pxIXvE9LxcilXX4Yt9Hyg7qRGeRkitpu3aZS8rNOar9RFMURJ1/h/pzZulmf odjUHhOIyUQv8XB5dVlkA7cXQpGwgN4JtNNyqhVsj+q8DaTFjxZ36Jv7hlorzqFa qXbxK4BkvEUvQHe69QdXyVNbNLrTQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduvddrudekgdduieefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtqhertddttddunecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukf hppeejjedrudefgedrvddtfedrudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhh ohhmrghssehmohhnjhgrlhhonhdrnhgvthenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 2F32480060; Thu, 27 Jun 2019 17:27:49 -0400 (EDT) From: Thomas Monjalon To: Mattias =?ISO-8859-1?Q?R=F6nnblom?= Cc: dev@dpdk.org, nhorman@tuxdriver.com, stephen@networkplumber.org, david.marchand@redhat.com, bruce.richardson@intel.com Date: Thu, 27 Jun 2019 23:27:48 +0200 Message-ID: <3169163.HhozTDCAgT@xps> In-Reply-To: <20190605104400.24484-7-mattias.ronnblom@ericsson.com> References: <20190516203529.GA642@bricha3-MOBL.ger.corp.intel.com> <20190605104400.24484-1-mattias.ronnblom@ericsson.com> <20190605104400.24484-7-mattias.ronnblom@ericsson.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Subject: Re: [dpdk-dev] [PATCH v3 6/6] eal: add PRNG to MAINTAINERS and release notes 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" 05/06/2019 12:44, Mattias R=F6nnblom: > Add a section on PRNG in MAINTAINERS, and information on the PRNG > improvements in the 19.08 release notes. >=20 > Signed-off-by: Mattias R=F6nnblom > Acked-by: Bruce Richardson > --- > --- a/MAINTAINERS > +++ b/MAINTAINERS > +Pseudo-random Number Generation > +M: Mattias R=F6nnblom > +F: lib/librte_eal/common/include/rte_random.h > +F: lib/librte_eal/common/rte_random.c > +F: app/test/test_rand_perf.c Please, this file may be updated while adding the files in previous patches. Same progressive update can be done for the release notes. > --- a/doc/guides/rel_notes/release_19_08.rst > +++ b/doc/guides/rel_notes/release_19_08.rst > +* **Updated the EAL Pseudo-random Number Generator.** > + > + The lrand48()-based rte_rand() function is replaced with a > + DPDK-native combined Linear Feedback Shift Register (LFSR) > + pseudo-random number generator (PRNG). > + > + This new PRNG implementation is multi-thread safe, provides > + higher-quality pseudo-random numbers (including full 64 bit > + support) and improved performance. > + > + In addition, is extended with a new function > + rte_rand_max() which supplies unbiased, bounded pseudo-random > + numbers.