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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <202306121557.2d17019b-oliver.sang@intel.com> References: <202306121557.2d17019b-oliver.sang@intel.com> To: kernel test robot Subject: Re: [linux-next:master] [splice] 2cb1e08985: stress-ng.sendfile.ops_per_sec 11.6% improvement MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <105868.1686572748.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Mon, 12 Jun 2023 13:25:48 +0100 Message-ID: <105869.1686572748@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jfs-discussion@lists.sourceforge.net, David Hildenbrand , feng.tang@intel.com, dhowells@redhat.com, Linux Memory Management List , linux-mtd@lists.infradead.org, linux-afs@lists.infradead.org, linux-nilfs@vger.kernel.org, lkp@intel.com, Christoph Hellwig , cluster-devel@redhat.com, ying.huang@intel.com, linux-ext4@vger.kernel.org, John Hubbard , ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro , Jens Axboe , Christian Brauner , linux-ntfs-dev@lists.sourceforge.net, fengwei.yin@intel.com, ocfs2-devel@oss.oracle.com, oe-lkp@lists.linux.dev, ntfs3@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-karma-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" kernel test robot wrote: > kernel test robot noticed a 11.6% improvement of stress-ng.sendfile.ops_= per_sec on: If it's sending to a socket, this is entirely feasible. The splice_to_socket() function now sends multiple pages in one go to the netw= ork protocol's sendmsg() method to process instead of using sendpage to send o= ne page at a time. David