View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0017211 | CentOS-8 | kernel | public | 2020-04-01 02:54 | 2020-04-01 02:54 |
| Reporter | wenhuanh | ||||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | new | Resolution | open | ||
| Platform | dual-socket Xeon Platinum 8280L | OS | CentOS Stream | OS Version | 8 |
| Product Version | 8.0.1905 | ||||
| Target Version | Fixed in Version | ||||
| Summary | 0017211: Kernel upgrade results in performance regression with sqlite-speedtest / iozone / compilebench / fs-mark | ||||
| Description | With Kernel 4.18.0-168, the following benchmarks have performance regression compared to that with Kernel 4.18.0-151 when measured by Phoronix Test Suite. +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ benchmark indicator Prop kernel 4.18.0-151 kenrel 4.18.0-168 regression +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ iozone Record Size: 4Kb - File Size: 2GB HIB 5340.57 (RSD=2.87%) 4477.19 (RSD=4.94%) -16.15% - Disk Test: Read Performance +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ sqlite-speedtest none LIB 63.12 (RSD=0.53%) 67.95 (RSD=0.91%) -7.66% +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ compilebench Test: Read Compiled Tree HIB 2487.41 (RSD=0.91%) 2324.60 (RSD=1.33%) -6.54% +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ fs-mark 1000 Files, 1MB Size,No Sync/FSync HIB 2757.12 (RSD=0.56%) 2594.28 (RSD=0.37%) -5.91% +--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+ | ||||
| Steps To Reproduce | 1. Download phoronix-test-suite (as attached) 2. Install phoronix tar zxf ~/phoronix-test-suite-8.4.1.tar.gz cd ~/phoronix-test-suite sudo ~/phoronix-test-suite/install-sh phoronix-test-suite phoronix-test-suite network-setup phoronix-test-suite batch-setup 3. Run benchmark phoronix-test-suite run iozone-1.9.5 phoronix-test-suite run sqlite-speedtest-1.0.0 phoronix-test-suite run compilebench-1.0.2 phoronix-test-suite run fs-mark-1.0.2 | ||||
| Additional Information | Hardware: Processor 2 x Intel Xeon Platium 8280L @ 2.70 GHZ (56 Cores/112 Threads) Motherboard Intel S2600WF (02.01.0008 BIOS with default settings) Memory 384G DDR4-2933 (12 x 32G) Disk 1600GB INTEL SSDPE2KE016T8 Graphics ASPEED Family Network Intel Connection X722 for 10GBASE-T | ||||
| Tags | No tags attached. | ||||
