CentOS 7 Mitigation Tests

Comparison with older Xeon

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CentOS 7 Mitigation Tests Comparison with older Xeon ,,"Default: Xeon","No Mitigation: Xeon","Default: EPYC","No Mitigation: EPYC","Default: C240M4-E52650v4" Processor,,2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads),2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads),AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads),AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads),2 x Intel Xeon E5-2650 v4 @ 2.90GHz (24 Cores / 48 Threads) Motherboard,,TYAN S7106 (V1.00 BIOS),TYAN S7106 (V1.00 BIOS),TYAN B8026T70AE24HR (V0.05.B10 BIOS),TYAN B8026T70AE24HR (V0.05.B10 BIOS),Cisco s UCSC-C220-M4S (C220M4.3.0.3c.0.0831170216 BIOS) Chipset,,Intel Device 2020,Intel Device 2020,AMD Device 1450,AMD Device 1450, Memory,,95232MB,95232MB,129024MB,129024MB,129024MB Disk,,256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150,256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150,280GB INTEL SSDPE21D280GA,280GB INTEL SSDPE21D280GA,299GB UCSC-MRAID12G Graphics,,LLVMpipe,LLVMpipe,LLVMpipe,LLVMpipe,mgadrmfb Monitor,,VE228,VE228,VE228,VE228, Network,,Intel I210 Gigabit Connection,Intel I210 Gigabit Connection,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe, OS,,CentOS Linux 7,CentOS Linux 7,CentOS Linux 7,CentOS Linux 7,CentOS Linux 7 Kernel,,3.10.0-693.21.1.el7.x86_64 (x86_64),3.10.0-693.21.1.el7.x86_64 (x86_64),3.10.0-693.21.1.el7.x86_64 (x86_64),3.10.0-693.21.1.el7.x86_64 (x86_64),3.10.0-693.21.1.el7.x86_64 (x86_64) Desktop,,GNOME Shell 3.22.3,GNOME Shell 3.22.3,GNOME Shell 3.22.3,GNOME Shell 3.22.3, Display Server,,X Server 1.19.3,X Server 1.19.3,X Server 1.19.3,X Server 1.19.3, Display Driver,,modesetting 1.19.3,modesetting 1.19.3,modesetting 1.19.3,modesetting 1.19.3, OpenGL,,2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits),2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits),2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 128 bits),2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 128 bits), Compiler,,GCC 4.8.5 20150623,GCC 4.8.5 20150623,GCC 4.8.5 20150623,GCC 4.8.5 20150623,GCC 4.8.5 20150623 File-System,,xfs,xfs,xfs,xfs,xfs Screen Resolution,,1920x1080,1920x1080,1920x1080,1920x1080,1024x768 ,,"Default: Xeon","No Mitigation: Xeon","Default: EPYC","No Mitigation: EPYC","Default: C240M4-E52650v4" "RAR Compression - Linux Source Tree Archiving To RAR (sec)",LIB,163.79,169.81,212.20,207.09, "Compile Bench - Test: Compile (MB/s)",HIB,1460.15,1536.84,1275.37,1376.46, "Compile Bench - Test: Initial Create (MB/s)",HIB,222.55,253.30,155.50,162.03, "Compile Bench - Test: Read Compiled Tree (MB/s)",HIB,1786.12,2097.64,1461.13,1539.24, "Hackbench - Count: 16 - Type: Thread (sec)",LIB,29.23,25.81,30.36,29.18,25.21 "Hackbench - Count: 16 - Type: Process (sec)",LIB,25.31,24.07,17.74,17.22,24.47 "Systemd Total Boot Time - Test: Kernel (ms)",LIB,2948,2791,1826,1812,2444 "Stress-NG - Test: Forking (Bogo Ops/s)",HIB,64139.63,64683.94,42635.50,45411.65,77255.48 "Stress-NG - Test: Semaphores (Bogo Ops/s)",HIB,229301.54,247476.16,237838.14,241176.07,373271.38 "Stress-NG - Test: Socket Activity (Bogo Ops/s)",HIB,3300.35,3297.64,3409.01,3413.08,9337.64 "Stress-NG - Test: Context Switching (Bogo Ops/s)",HIB,15540101.78,17854342.78,14023842.08,13329232.97,8375392.54 "Stress-NG - Test: System V Message Passing (Bogo Ops/s)",HIB,5535241.82,5877638.95,4828921.70,4984809.43,4525754.96 "Flexible IO Tester - Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,534,533,2614,2606,252 "Flexible IO Tester - Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,516,515,2179,2179,144 "Flexible IO Tester - Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,534,533,2616,2617,298 "Flexible IO Tester - Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,516,516,2178,2178,192 "IOzone - Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance (MB/s)",HIB,366.83,379.23,815.37,851.68,115.20 "Schbench - Message Threads: 8 - Workers Per Message Thread: 4 (usec, 99.9th Latency Percentile)",LIB,131,107,379,380,76 "Schbench - Message Threads: 8 - Workers Per Message Thread: 6 (usec, 99.9th Latency Percentile)",LIB,119,122,394,375,4557 "Systemd Total Boot Time - Test: Firmware (ms)",LIB,2487421,,44496,46473, "Systemd Total Boot Time - Test: Userspace (ms)",LIB,44463,18428,52882,20117,36813 "Systemd Total Boot Time - Test: Loader (ms)",LIB,2310,,5492,13432, "Systemd Total Boot Time - Test: Total (ms)",LIB,2538816,23018,106009,83138,41985 "Timed Linux Kernel Compilation - Time To Compile (sec)",LIB,25.82,24.94,31.86,32.01,39.20 "Netperf - Server: 192.168.1.55 - Test: TCP Send File - Duration: 60 Seconds (Megabits/sec Throughput)",HIB,941.44,941.38,941.15,941.20, "Netperf - Server: 192.168.1.55 - Test: TCP Request Response - Duration: 60 Seconds (Transaction Rate/sec)",HIB,715.57,795.77,528.16,397.55, "Netperf - Server: 192.168.1.55 - Test: UDP Request Response - Duration: 60 Seconds (Transaction Rate/sec)",HIB,748.07,835.27,325.74,365.43, "Netperf - Server: 192.168.1.55 - Test: TCP Stream - Client To Server - Duration: 60 Seconds (Megabits/sec Throughput)",HIB,788.06,788.10,786.77,788.33, "Netperf - Server: 192.168.1.55 - Test: TCP Stream - Server To Client - Duration: 60 Seconds (Megabits/sec Throughput)",HIB,941.35,941.27,940.85,940.67, "Netperf - Server: 192.168.1.55 - Test: UDP Stream - Server To Client - 10G - Duration: 60 Seconds (Megabits/sec Throughput)",HIB,961.78,961.71,961.65,961.69, "BlogBench - Test: Read (Final Score)",HIB,1347194,1419432,1077180,1071852,1686908 "BlogBench - Test: Write (Final Score)",HIB,10718,10960,12734,13165,2162 "Redis - Test: LPOP (Reqs/sec)",HIB,1605734.42,1449609.17,1167236.62,832909.06,1487480.25 "Redis - Test: SADD (Reqs/sec)",HIB,1360277.75,1421813.12,1000430.87,1026789.50,1202903.54 "Redis - Test: LPUSH (Reqs/sec)",HIB,1105101.92,1155179.38,790912.27,803664.96,936269.56 "Redis - Test: GET (Reqs/sec)",HIB,1610474.09,1609005.09,1153713.90,1143321.88,1437054.88 "Redis - Test: SET (Reqs/sec)",HIB,1232095.75,1308916.96,899226.97,919106.95,1091377.62 "SQLite - Timed SQLite Insertions (sec)",LIB,47.17,47.01,6.56,6.28,225.54 "PostgreSQL pgbench - Scaling: Buffer Test - Test: Normal Load - Mode: Read Only (TPS)",HIB,589604.88,606672.77,350860.98,352912.32, "PostgreSQL pgbench - Scaling: Buffer Test - Test: Normal Load - Mode: Read Write (TPS)",HIB,8904.44,8863.35,19123.50,18912.24, "PostgreSQL pgbench - Scaling: Buffer Test - Test: Single Thread - Mode: Read Only (TPS)",HIB,19183.95,20927.92,13418.48,13933.94, "PostgreSQL pgbench - Scaling: Buffer Test - Test: Single Thread - Mode: Read Write (TPS)",HIB,454.83,463.33,2035.47,2056.96, "ebizzy - (Records/s)",HIB,496979,488760,1128609,1124203,494409 "Git - Time To Complete Common Git Commands (sec)",LIB,6.23,6.24,7.52,7.60,7.93