Linux 5.9 Test With page_lock_unfairness Benchmarks by Michael Larabel testing of 14 September page_lock_unfairness patch. Kconfig and other bits same throughout kernels, PLU patches done with Linus' patches from Monday. ,,"v5.8","v5.9 Git","Default PLU 1000","PLU 0","PLU 1","PLU 2","PLU 3","PLU 4","PLU 5" Processor,,AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads),AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads) Motherboard,,MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS),MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS) Chipset,,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse,AMD Starship/Matisse Memory,,32GB,32GB,32GB,32GB,32GB,32GB,32GB,32GB,32GB Disk,,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB,1000GB Sabrent Rocket 4.0 1TB Graphics,,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB,Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB Audio,,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio,AMD Navi 10 HDMI Audio Monitor,,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U,ASUS MG28U Network,,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200,Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200 OS,,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04 Kernel,,5.8.0-050800-generic (x86_64),5.9.0-rc4-pts (x86_64) 20200910,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914,5.9.0-rc5-14sep-patch (x86_64) 20200914 Desktop,,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4,GNOME Shell 3.36.4 Display Server,,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8,X Server 1.20.8 Display Driver,,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8,modesetting 1.20.8 OpenGL,,4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0),4.6 Mesa 20.0.8 (LLVM 10.0.0) Compiler,,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0 File-System,,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4 Screen Resolution,,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160 ,,"v5.8","v5.9 Git","Default PLU 1000","PLU 0","PLU 1","PLU 2","PLU 3","PLU 4","PLU 5" "SQLite - Threads / Copies: 8 (sec)",LIB,50.581,46.483,47.602,47.530,47.583,79.370,84.624,47.67,47.725 "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,61.8,62.1,44.4,62.1,62.2,44.3,62.5,62.5,62.0 "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,15800,15867,11367,15900,15900,11300,16000,16000,15867 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,1173,1141,1144,1138,1125,1131,1133,1122,1144 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,300000,292000,293000,291333,288000,289667,289667,287000,293000 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,1528,1681,1518,1899,2143,1700,2142,1730,2126 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,760,837,755,945,1068,846,1067,861,1059 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,2326,2162,2222,2372,1939,1926,1690,2212,1918 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,1159,1077,1107,1183,966,959,841,1102,955 "Hackbench - Count: 1 - Type: Thread (sec)",LIB,2.945,3.366,3.324,3.409,3.591,3.579,3.265,3.395,3.509 "Hackbench - Count: 2 - Type: Thread (sec)",LIB,3.788,4.761,4.739,4.764,5.371,5.367,4.744,4.732,5.383 "Hackbench - Count: 4 - Type: Thread (sec)",LIB,5.660,7.106,7.144,7.167,8.580,8.603,7.098,7.103,8.571 "Hackbench - Count: 1 - Type: Process (sec)",LIB,2.760,3.212,3.104,3.208,3.363,3.374,3.155,3.189,3.397 "Hackbench - Count: 2 - Type: Process (sec)",LIB,3.642,4.515,4.533,4.511,5.206,5.219,4.537,4.511,5.227 "Hackbench - Count: 4 - Type: Process (sec)",LIB,5.265,6.729,6.652,6.732,8.205,8.192,6.674,6.723,8.292 "Redis - Test: LPOP (Reqs/sec)",HIB,2582974.69,1523888.21,1540468.42,1576775.71,1535369.42,2088864.07,2130440.16,1512401.66,1553886.50 "Redis - Test: SADD (Reqs/sec)",HIB,2095660.42,1962098.59,1974406.96,2013620.17,1965123.21,1912228.67,1938042.50,1967501.79,1968609.69 "Redis - Test: LPUSH (Reqs/sec)",HIB,1602867.64,1489837.96,1527638.92,1512885.79,1519532.71,1527284.96,1506277.25,1516495.37,1514181.04 "Redis - Test: GET (Reqs/sec)",HIB,2656138.92,2111756.79,2194355.4,2217841.7,2178989.8,2217654.08,2169197.5,2206395.33,2158856.83 "Redis - Test: SET (Reqs/sec)",HIB,1989099.04,1723206.54,1820617.25,1772165.71,1745422.5,1758507.92,1766810.25,1780663.08,1775156.63 "NGINX Benchmark - Static Web Page Serving (Reqs/sec)",HIB,42691.90,39040.06,40274.52,39963.52,40553.38,40676.68,40575.55,40266.94,40337.05 "Apache Siege - Concurrent Users: 1 (Transactions/sec)",HIB,7684.81,7390.86,7579.49,7937.84,7464.61,7552.61,7475.96,7638.69,7735.75 "Apache Siege - Concurrent Users: 50 (Transactions/sec)",HIB,39280.51,28240.71,39708.30,26645.15,38709.95,39712.82,41959.67,38870.90,41301.97 "Apache Siege - Concurrent Users: 100 (Transactions/sec)",HIB,51255.73,21926.62,42001.86,21528.43,37138.49,38086.58,38057.72,56350.51,37868.57 "Apache Siege - Concurrent Users: 200 (Transactions/sec)",HIB,47825.12,20174.78,48190.05,20095.10,48524.44,47823.09,47751.02,68286.02,47662.08 "Apache Siege - Concurrent Users: 250 (Transactions/sec)",HIB,55279.65,20282.62,67639.46,20181.98,40505.37,56914.07,55285.35,55499.25,74347.77