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dtly0Q1nTafFh+e2F9aVpAQZ7W/68UrrSrfL88ULfZ5s7l/97dTSoOrkDfUucVumr1J7FD7v 2S/ZEL4iKyWW4oxEQy3mouJEAMBw9K2yAwAA X-CMS-MailID: 20220729075158eucas1p29f800c791e3504b687064ad650d20055 X-Msg-Generator: CA X-RootMTR: 20220727162251eucas1p12939ac3864fd8705ae139eb2d1087d8f X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20220727162251eucas1p12939ac3864fd8705ae139eb2d1087d8f References: <20220727162245.209794-1-p.raghav@samsung.com> <20220727162245.209794-6-p.raghav@samsung.com> X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-07-27 23:59, Chaitanya Kulkarni wrote: >> Sequential Write: >> >> x-----------------x---------------------------------x---------------------------------x >> | IOdepth | 8 | 16 | >> x-----------------x---------------------------------x---------------------------------x >> | | KIOPS |BW(MiB/s) | Lat(usec) | KIOPS |BW(MiB/s) | Lat(usec) | >> x-----------------x---------------------------------x---------------------------------x >> | Without patch | 578 | 2257 | 12.80 | 576 | 2248 | 25.78 | >> x-----------------x---------------------------------x---------------------------------x >> | With patch | 581 | 2268 | 12.74 | 576 | 2248 | 25.85 | >> x-----------------x---------------------------------x---------------------------------x >> >> Sequential read: >> >> x-----------------x---------------------------------x---------------------------------x >> | IOdepth | 8 | 16 | >> x-----------------x---------------------------------x---------------------------------x >> | | KIOPS |BW(MiB/s) | Lat(usec) | KIOPS |BW(MiB/s) | Lat(usec) | >> x-----------------x---------------------------------x---------------------------------x >> | Without patch | 667 | 2605 | 11.79 | 675 | 2637 | 23.49 | >> x-----------------x---------------------------------x---------------------------------x >> | With patch | 667 | 2605 | 11.79 | 675 | 2638 | 23.48 | >> x-----------------x---------------------------------x---------------------------------x >> >> Random read: >> >> x-----------------x---------------------------------x---------------------------------x >> | IOdepth | 8 | 16 | >> x-----------------x---------------------------------x---------------------------------x >> | | KIOPS |BW(MiB/s) | Lat(usec) | KIOPS |BW(MiB/s) | Lat(usec) | >> x-----------------x---------------------------------x---------------------------------x >> | Without patch | 522 | 2038 | 15.05 | 514 | 2006 | 30.87 | >> x-----------------x---------------------------------x---------------------------------x >> | With patch | 522 | 2039 | 15.04 | 523 | 2042 | 30.33 | >> x-----------------x---------------------------------x---------------------------------x >> >> Minor variations are noticed in Sequential write with io depth 8 and >> in random read with io depth 16. But overall no noticeable differences >> were noticed > > minor variations in with aspect of the performance ? > are these documented somewhere ? > The table above documents those minor variations in performance. > move the large table of performance numbers to the cover letter it looks > ugly in the git log... > I could do that. >