From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C59FA93A for ; Thu, 23 Mar 2023 15:30:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=RH6f+Za5MAFB/j1iSqgaUQemsIuuN+gslWjEAwVf7h8=; b=F1s0mYIZYU+2QarQKLRddAQsKd bRrJwe+fHd/B65vNmO9JN1qdEjzrdqF2XOO0P1BbpanrjYMXZlkWLjuAemiLca/WnlxcDS6oRYkoU zi8HdCbCMJ6/vIV6Sl0FZctdYI82ZoLlq0VRbXvx5YEXGCCOPNIFlczb0oARdpd8Cduh00DbRAh5X cJ4unPRFR7xjLBO7gtNWV26PXxQ+BcN4v6QtLBJtm/pqBwt7OHn7GqIJiwJcoZFaNBpyasaHoJbFu HdJcMnYjy9bUu69fOmvQ6hafZfivlDzqO/Hqkiux5w0GjhUtZ3axo+IjZpFjw7R+rojKhDptF40m7 jH1NAcgQ==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pfMtL-004tIH-1Q; Thu, 23 Mar 2023 15:30:15 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 44DE230030B; Thu, 23 Mar 2023 16:30:14 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 232EC2420DEFE; Thu, 23 Mar 2023 16:30:14 +0100 (CET) Date: Thu, 23 Mar 2023 16:30:13 +0100 From: Peter Zijlstra To: Chen Yu Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Oliver Sang , Chen Yu Subject: Re: [peterz-queue:sched/eevdf] [sched/fair] 23669fce72: aim7.jobs-per-min -18.6% regression Message-ID: <20230323153013.GD2512024@hirez.programming.kicks-ass.net> References: <202303201517.399a9b16-oliver.sang@intel.com> <20230320075850.GA2194297@hirez.programming.kicks-ass.net> <20230321090318.GB2234901@hirez.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Mar 23, 2023 at 08:23:21PM +0800, Chen Yu wrote: > We have finished the first cycle of tests on a Ice Lake Server. It is a > 32C * 2 Sockets system, and 128 CPUs in total. > The baseline commit is v6.3-rc2, the test commit is on top of sched/eevdf > commit 04c54aa28eed ("sched/eevdf: Tuning...") > > The raw benchmark test results with perf profiling comparison are uploaded here: > > schbench: > https://raw.githubusercontent.com/yu-chen-surf/schedtests/master/results/eevdf/benchmarks/schbench-lkp-icl-2sp6.log > > hackbench: > https://raw.githubusercontent.com/yu-chen-surf/schedtests/master/results/eevdf/benchmarks/hackbench-lkp-icl-2sp5.log > > stress-ng: > https://raw.githubusercontent.com/yu-chen-surf/schedtests/master/results/eevdf/benchmarks/stress-ng-lkp-icl-2sp6.log > > unixbench: > https://raw.githubusercontent.com/yu-chen-surf/schedtests/master/results/eevdf/benchmarks/unixbench-lkp-icl-2sp2.log > > netperf: > https://raw.githubusercontent.com/yu-chen-surf/schedtests/master/results/eevdf/benchmarks/netperf-lkp-icl-2sp5.log Thanks! that is very useful. Shows where I need to focus.