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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B67BC433EF for ; Fri, 11 Feb 2022 19:02:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240026AbiBKTCR (ORCPT ); Fri, 11 Feb 2022 14:02:17 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:35760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231374AbiBKTCQ (ORCPT ); Fri, 11 Feb 2022 14:02:16 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2A9C7CEC for ; Fri, 11 Feb 2022 11:02:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1644606133; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=uCPX5JhmQZBLLVR0kjaN03GHUoCUZZ0rX5OEZWbAEqs=; b=UwGi6y/kPm03xk0TblimgSka6ShxOrpl3AqTRiBRnmPZBcvUlIvZVdAbQ0UU2tZP/W/D7X Ky2adtTql1GvQdYkmb5NZmXslR4sqMNnIcjUGR1PaXNkzYvRgOIAesBR89hsWmRn6azanT IFyvCfoPL4FeW2v30fpFlSq/Mu+DCn0= Received: from mail-yb1-f198.google.com (mail-yb1-f198.google.com [209.85.219.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-106-9OBYY8C-NZOsXMrNYGpsyA-1; Fri, 11 Feb 2022 14:02:12 -0500 X-MC-Unique: 9OBYY8C-NZOsXMrNYGpsyA-1 Received: by mail-yb1-f198.google.com with SMTP id q11-20020a252a0b000000b0061e240c8fb3so17079567ybq.22 for ; Fri, 11 Feb 2022 11:02:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=uCPX5JhmQZBLLVR0kjaN03GHUoCUZZ0rX5OEZWbAEqs=; b=GJPfkZUnP/OsJ/7sNn02LjInOosy3Pv4QRYqGNygq/lfwpZEcpfIicUiz9vBQMm/iA AqSRo6sGhHbh7pzwn7sLSSpHSNCFGELcpv3mXwh1ijm2gdyj6+VEs/kSEraeQk+kvWGI hyI6EjWk+6FRlIAgHSOtNLcJe/j8wFOMle7sWXWZU10eBS8uV18TmYO40zTEEf28F3pM 4kBKG6HMs1gAMd4NlBb8o696BZsgz2nL7YHUGIuhMQVGyg6G+mIVtLjBtLMO3Udls57A u6Cva3YZgaGgzAwldAXKP5fzDTHY7jkiW5YSJhQcrK0a7A/7t/3nA3F9pZ7h5XCZdIxZ 8a8g== X-Gm-Message-State: AOAM530BtTuYf9ZaXA2D8jBYRHzN9FldPf6bj6aK1xR/5BNAM0GLL8Ry ne6dyglbM0U2kkmjIE6Vjm1oUWhvaI9n4rs+w2Mn+KhFkrTNFRpyd9tXf6NjlloV1/QDKZzADm/ Sd71c/DdL3aCIkMulfvmIT3aqtLsBrdpoyGop6dmO X-Received: by 2002:a25:b21c:: with SMTP id i28mr3146553ybj.340.1644606131724; Fri, 11 Feb 2022 11:02:11 -0800 (PST) X-Google-Smtp-Source: ABdhPJzYUFvjxz9AR6X+PhbjsVUwP5fVasLhZdlrYK99Hz6fiZn9cSScfFVxKFtghFHfle1TtJOhtINrfIwjeIImGcQ= X-Received: by 2002:a25:b21c:: with SMTP id i28mr3146511ybj.340.1644606131342; Fri, 11 Feb 2022 11:02:11 -0800 (PST) MIME-Version: 1.0 References: <20220208094334.16379-1-mgorman@techsingularity.net> <20220208094334.16379-3-mgorman@techsingularity.net> <9ab0a2c2-7dee-40b0-edd0-56a5b1915745@amd.com> <20220209103358.GP3366@techsingularity.net> In-Reply-To: <20220209103358.GP3366@techsingularity.net> From: Jirka Hladky Date: Fri, 11 Feb 2022 20:02:00 +0100 Message-ID: Subject: Re: [PATCH 2/2] sched/fair: Adjust the allowed NUMA imbalance when SD_NUMA spans multiple LLCs To: Mel Gorman Cc: K Prateek Nayak , Peter Zijlstra , Ingo Molnar , Vincent Guittot , Valentin Schneider , Aubrey Li , Barry Song , Mike Galbraith , Srikar Dronamraju , Gautham Shenoy , LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mel, we have tested 5.17.0_rc2 + v6 of your patch series and the results are very good! We see performance gains up to 25% for the hackbench (32 processes). Even more importantly, we don't see any performance losses that we have experienced with the previous versions of the patch series for NAS and SPECjbb2005 workloads. Tested-by: Jirka Hladky Thanks a lot Jirka On Wed, Feb 9, 2022 at 12:08 PM Mel Gorman wrote: > > On Wed, Feb 09, 2022 at 10:40:15AM +0530, K Prateek Nayak wrote: > > There is a significant improvement throughout the board > > with v6 outperforming tip/sched/core in every case! > > > > Tested-by: K Prateek Nayak > > > > Thanks very much Prateek and Gautham for reviewing and testing! > > -- > Mel Gorman > SUSE Labs > -- -Jirka