From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88009CD1288 for ; Mon, 1 Apr 2024 18:16:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id CCAF76B0088; Mon, 1 Apr 2024 14:16:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C7BFB6B0089; Mon, 1 Apr 2024 14:16:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B69526B008C; Mon, 1 Apr 2024 14:16:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 9AC0E6B0088 for ; Mon, 1 Apr 2024 14:16:25 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 2E7821A0184 for ; Mon, 1 Apr 2024 18:16:25 +0000 (UTC) X-FDA: 81961767930.02.B326807 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by imf11.hostedemail.com (Postfix) with ESMTP id 4B19540013 for ; Mon, 1 Apr 2024 18:16:21 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf11.hostedemail.com: domain of jonathan.cameron@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=jonathan.cameron@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1711995382; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=K6wDESlHTZuZvMAia6EBGFfOQWSx2z7svCRSydJZFvs=; b=nfEHinlQWxMLuTLpvKqy/wAxelcI6gBrNoRRsyZ+C5qPwZ560QPerePZy3kSwblHAQTAf4 6BMDHYC4DUHP3qrj9vHVy2iGru+7GctP0GTWIjMI4ftl7tcuY5n713y+mBLTk2SGOSa6fY Pl28HytC6Pxq5kFNCRtMjcv7mfdC9yk= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf11.hostedemail.com: domain of jonathan.cameron@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=jonathan.cameron@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1711995382; a=rsa-sha256; cv=none; b=R902P6rqXqa7VemFbxtZotu1hb0YT0RRwyKLk/PMq7412BaKQ1tlXDBxn+01rNCIPN0W5u QMB1sZHG22csjO2G6uljKSqMv+zxlGyGRdyO9np+9KGzngxEqQTG0O5lLg3UmR2BQpBm14 l7QhvdxjAU8G0H0URle6sgfvwRN3FKI= Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4V7fLb2hZ7z6J9cl; Tue, 2 Apr 2024 02:15:03 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id A83311400D9; Tue, 2 Apr 2024 02:16:17 +0800 (CST) Received: from localhost (10.48.156.172) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Mon, 1 Apr 2024 19:16:17 +0100 Date: Mon, 1 Apr 2024 19:16:14 +0100 From: Jonathan Cameron To: Yang Shi CC: , , "Christoph Lameter (Ampere)" , Linux MM , Michal Hocko , Dan Williams Subject: Re: [LSF/MM/BPF TOPIC] Multi-sized THP performance benchmarks and analysis on ARM64 Message-ID: <20240401191614.00007c83@Huawei.com> In-Reply-To: References: Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.48.156.172] X-ClientProxiedBy: lhrpeml100002.china.huawei.com (7.191.160.241) To lhrpeml500005.china.huawei.com (7.191.163.240) X-Rspamd-Queue-Id: 4B19540013 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: mnop6r3edads4spywu86ctuqqdkseye7 X-HE-Tag: 1711995381-769263 X-HE-Meta: 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 5Fl68i8j VATc1s9tt1UjlZF6LbhIBWMGV5bUEWl+5wrUck3pHt4Z7efkLEcx57wJHdptoX3hzGOoyBmrfT7g68queLaf/waQa02emIVMs1pZMwi7UW3X5cd/nUyIThd5wNjpFTOYkvU92+19erjwlQCZnDGhKGrW4TZq+n2DXnmoQWQQapteNH1c+Ne9MTCuivFhnDTUOiZ2DFn++Ey64628AHxXgt84+5RjvO3DAFnlO X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 28 Mar 2024 09:47:04 -0700 Yang Shi wrote: > We just made some progress regarding multi-sized THP benchmarking on > the ARM64 platform. So I'd like to propose the topic "Multi-sized THP > performance benchmark on ARM64" for MM track. > > We ran a series of benchmarks on Ampere Altra platform using some > popular workloads in the cloud: In-memory databases, kernel > compilation, etc, using different sized huge pages: 2M, 128K, 64K and > others. > > This topic will cover: > - The benchmark data of some popular workloads in Cloud > - The performance analysis (where the gain came from, the > contributing factors, etc) > - Th recommended page sizes which can achieve overall decent performance gain > Sounds like useful data, but is it a suitable topic for LSF-MM? What open questions etc is it raising? I'm very interested in seeing your results, but maybe this isn't the best path for them. Jonathan