Server Mitigation Costs AMD EPYC vs. Intel Xeon Tests for a future article. 2 x EPYC 7601: mitigations=off: Processor: 2 x AMD EPYC 7601 32-Core (64 Cores / 128 Threads), Motherboard: Dell 02MJ3T (1.2.5 BIOS), Chipset: AMD 17h, Memory: 516096MB, Disk: 120GB SSDSCKJB120G7R + 20 x 500GB Samsung SSD 860, Graphics: llvmpipe 504GB, Monitor: VE228, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 PCIe OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 128 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1600x1200 2 x EPYC 7601: mitigations=auto: Processor: 2 x AMD EPYC 7601 32-Core (64 Cores / 128 Threads), Motherboard: Dell 02MJ3T (1.2.5 BIOS), Chipset: AMD 17h, Memory: 516096MB, Disk: 20 x 500GB Samsung SSD 860 + 120GB SSDSCKJB120G7R, Graphics: llvmpipe 504GB, Monitor: VE228, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 PCIe OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 128 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1600x1200 2 x Xeon 8280: mitigations=off: Processor: 2 x Intel Xeon Platinum 8280 @ 4.00GHz (56 Cores / 112 Threads), Motherboard: GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe 377GB, Monitor: VE228, Network: 2 x Intel X722 for 1GbE + 2 x QLogic FastLinQ QL41000 10/25/40/50GbE OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 256 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 8280: mitigations=auto: Processor: 2 x Intel Xeon Platinum 8280 @ 4.00GHz (56 Cores / 112 Threads), Motherboard: GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe 377GB, Monitor: VE228, Network: 2 x Intel X722 for 1GbE + 2 x QLogic FastLinQ QL41000 10/25/40/50GbE OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 256 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 6138: mitigations=off: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.02.B20 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 96256MB, Disk: Samsung SSD 970 EVO 250GB, Graphics: llvmpipe 93GB, Monitor: VE228, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE + Mellanox MT26448 OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 256 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 6138: mitigations=auto: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.02.B20 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 96256MB, Disk: Samsung SSD 970 EVO 250GB, Graphics: ASPEED, Monitor: VE228, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE + Mellanox MT26448 OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 6138: mitigations=auto,nosmt: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores), Motherboard: TYAN S7106 (V1.02.B20 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 96256MB, Disk: Samsung SSD 970 EVO 250GB, Graphics: llvmpipe 93GB, Monitor: VE228, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE + Mellanox MT26448 OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 256 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 Stress-NG 0.07.26 Test: Semaphores Bogo Ops/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 879901 |============ 2 x EPYC 7601: mitigations=auto ....... 881047 |============ 2 x Xeon 8280: mitigations=off ........ 2138463 |============================== 2 x Xeon 8280: mitigations=auto ....... 2134548 |============================== 2 x Xeon 6138: mitigations=off ........ 1892604 |=========================== 2 x Xeon 6138: mitigations=auto ....... 1835637 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 1904169 |=========================== Stress-NG 0.07.26 Test: Socket Activity Bogo Ops/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 29655 |======================= 2 x EPYC 7601: mitigations=auto ....... 30310 |======================== 2 x Xeon 8280: mitigations=off ........ 40389 |================================ 2 x Xeon 8280: mitigations=auto ....... 33629 |=========================== 2 x Xeon 6138: mitigations=off ........ 23517 |=================== 2 x Xeon 6138: mitigations=auto ....... 19150 |=============== 2 x Xeon 6138: mitigations=auto,nosmt . 11463 |========= Stress-NG 0.07.26 Test: Context Switching Bogo Ops/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 29521196 |============== 2 x EPYC 7601: mitigations=auto ....... 19390168 |========= 2 x Xeon 8280: mitigations=off ........ 62103866 |============================= 2 x Xeon 8280: mitigations=auto ....... 28606228 |============= 2 x Xeon 6138: mitigations=off ........ 33171910 |=============== 2 x Xeon 6138: mitigations=auto ....... 21838073 |========== 2 x Xeon 6138: mitigations=auto,nosmt . 7474667 |=== Stress-NG 0.07.26 Test: System V Message Passing Bogo Ops/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 9053163 |============================== 2 x EPYC 7601: mitigations=auto ....... 8747607 |============================= 2 x Xeon 8280: mitigations=off ........ 5822853 |=================== 2 x Xeon 8280: mitigations=auto ....... 6203627 |===================== 2 x Xeon 6138: mitigations=off ........ 5479262 |================== 2 x Xeon 6138: mitigations=auto ....... 5052112 |================= 2 x Xeon 6138: mitigations=auto,nosmt . 7791018 |========================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Connections/s - Threads: 1 Connections/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 9157 |============================== 2 x EPYC 7601: mitigations=auto ....... 9983 |================================= 2 x Xeon 8280: mitigations=off ........ 6687 |====================== 2 x Xeon 8280: mitigations=auto ....... 6510 |====================== 2 x Xeon 6138: mitigations=off ........ 6821 |======================= 2 x Xeon 6138: mitigations=auto ....... 5587 |================== 2 x Xeon 6138: mitigations=auto,nosmt . 5350 |================== Sysbench 2018-07-28 Test: Memory Events Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 4178558 |========= 2 x EPYC 7601: mitigations=auto ....... 4195517 |========= 2 x Xeon 8280: mitigations=off ........ 12991841 |============================= 2 x Xeon 8280: mitigations=auto ....... 11990309 |=========================== 2 x Xeon 6138: mitigations=off ........ 12325638 |============================ 2 x Xeon 6138: mitigations=auto ....... 12566192 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 7107706 |================ Sysbench 2018-07-28 Test: CPU Events Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 89227 |============================== 2 x EPYC 7601: mitigations=auto ....... 88719 |============================= 2 x Xeon 8280: mitigations=off ........ 96578 |================================ 2 x Xeon 8280: mitigations=auto ....... 94825 |=============================== 2 x Xeon 6138: mitigations=off ........ 54116 |================== 2 x Xeon 6138: mitigations=auto ....... 53630 |================== 2 x Xeon 6138: mitigations=auto,nosmt . 37362 |============ FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 172 |=============================== 2 x EPYC 7601: mitigations=auto ....... 168 |============================== 2 x Xeon 8280: mitigations=off ........ 179 |================================ 2 x Xeon 8280: mitigations=auto ....... 160 |============================= 2 x Xeon 6138: mitigations=off ........ 174 |=============================== 2 x Xeon 6138: mitigations=auto ....... 164 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 190 |================================== BlogBench 1.1 Test: Read Final Score > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 786102 |=========== 2 x EPYC 7601: mitigations=auto ....... 805743 |=========== 2 x Xeon 6138: mitigations=off ........ 2136699 |============================= 2 x Xeon 6138: mitigations=auto ....... 2108133 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 2220399 |============================== BlogBench 1.1 Test: Write Final Score > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 27144 |=============================== 2 x EPYC 7601: mitigations=auto ....... 27972 |================================ 2 x Xeon 6138: mitigations=off ........ 25399 |============================= 2 x Xeon 6138: mitigations=auto ....... 26553 |============================== 2 x Xeon 6138: mitigations=auto,nosmt . 27105 |=============================== x264 2018-09-25 H.264 Video Encoding Frames Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 140 |================================== 2 x EPYC 7601: mitigations=auto ....... 138 |================================== 2 x Xeon 8280: mitigations=off ........ 116 |============================ 2 x Xeon 8280: mitigations=auto ....... 119 |============================= 2 x Xeon 6138: mitigations=off ........ 109 |========================== 2 x Xeon 6138: mitigations=auto ....... 109 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 132 |================================ Chaos Group V-RAY 4.10.03 Mode: CPU Ksamples > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 40912 |==================== 2 x EPYC 7601: mitigations=auto ....... 41324 |==================== 2 x Xeon 8280: mitigations=off ........ 66332 |================================ 2 x Xeon 8280: mitigations=auto ....... 66269 |================================ 2 x Xeon 6138: mitigations=off ........ 39490 |=================== 2 x Xeon 6138: mitigations=auto ....... 39147 |=================== 2 x Xeon 6138: mitigations=auto,nosmt . 31441 |=============== IndigoBench 4.0.64 Scene: Bedroom M samples/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 3.24 |================= 2 x EPYC 7601: mitigations=auto ....... 3.31 |================== 2 x Xeon 8280: mitigations=off ........ 6.11 |================================= 2 x Xeon 8280: mitigations=auto ....... 6.14 |================================= 2 x Xeon 6138: mitigations=off ........ 3.63 |==================== 2 x Xeon 6138: mitigations=auto ....... 3.60 |=================== 2 x Xeon 6138: mitigations=auto,nosmt . 2.62 |============== IndigoBench 4.0.64 Scene: Supercar M samples/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 5.42 |================== 2 x EPYC 7601: mitigations=auto ....... 5.34 |================== 2 x Xeon 8280: mitigations=off ........ 9.86 |================================= 2 x Xeon 8280: mitigations=auto ....... 9.88 |================================= 2 x Xeon 6138: mitigations=off ........ 7.91 |========================== 2 x Xeon 6138: mitigations=auto ....... 7.82 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 6.49 |====================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1598 |============================ 2 x EPYC 7601: mitigations=auto ....... 1478 |========================== 2 x Xeon 8280: mitigations=off ........ 1862 |================================= 2 x Xeon 8280: mitigations=auto ....... 1823 |================================ 2 x Xeon 6138: mitigations=off ........ 1760 |=============================== 2 x Xeon 6138: mitigations=auto ....... 1616 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 1619 |============================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 394 |===================== 2 x EPYC 7601: mitigations=auto ....... 376 |==================== 2 x Xeon 8280: mitigations=off ........ 629 |================================== 2 x Xeon 8280: mitigations=auto ....... 568 |=============================== 2 x Xeon 6138: mitigations=off ........ 594 |================================ 2 x Xeon 6138: mitigations=auto ....... 503 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 502 |=========================== Ethr 2019-01-02 Server Address: localhost - Protocol: HTTP - Test: Bandwidth - Threads: 1 Mbits/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 679 |================================== 2 x EPYC 7601: mitigations=auto ....... 666 |================================= 2 x Xeon 8280: mitigations=off ........ 443 |====================== 2 x Xeon 8280: mitigations=auto ....... 422 |===================== 2 x Xeon 6138: mitigations=off ........ 460 |======================= 2 x Xeon 6138: mitigations=auto ....... 407 |==================== 2 x Xeon 6138: mitigations=auto,nosmt . 409 |==================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 350286 |=========================== 2 x EPYC 7601: mitigations=auto ....... 354460 |=========================== 2 x Xeon 8280: mitigations=off ........ 400172 |=============================== 2 x Xeon 8280: mitigations=auto ....... 405980 |=============================== 2 x Xeon 6138: mitigations=off ........ 299171 |======================= 2 x Xeon 6138: mitigations=auto ....... 291438 |====================== 2 x Xeon 6138: mitigations=auto,nosmt . 253533 |=================== Ethr 2019-01-02 Server Address: localhost - Protocol: UDP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 113132 |============ 2 x EPYC 7601: mitigations=auto ....... 113380 |============ 2 x Xeon 8280: mitigations=off ........ 282928 |=============================== 2 x Xeon 8280: mitigations=auto ....... 280802 |=============================== 2 x Xeon 6138: mitigations=off ........ 272607 |============================== 2 x Xeon 6138: mitigations=auto ....... 279950 |=============================== 2 x Xeon 6138: mitigations=auto,nosmt . 279752 |=============================== Ethr 2019-01-02 Server Address: localhost - Protocol: HTTP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1077 |================== 2 x EPYC 7601: mitigations=auto ....... 1073 |================== 2 x Xeon 8280: mitigations=off ........ 1451 |======================== 2 x Xeon 8280: mitigations=auto ....... 1457 |======================== 2 x Xeon 6138: mitigations=off ........ 1856 |=============================== 2 x Xeon 6138: mitigations=auto ....... 1738 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 2000 |================================= libjpeg-turbo tjbench 1.5.3 Test: Decompression Throughput Megapixels/sec > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 139 |=========================== 2 x EPYC 7601: mitigations=auto ....... 139 |=========================== 2 x Xeon 8280: mitigations=off ........ 173 |================================== 2 x Xeon 8280: mitigations=auto ....... 173 |================================== 2 x Xeon 6138: mitigations=off ........ 160 |=============================== 2 x Xeon 6138: mitigations=auto ....... 161 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 160 |=============================== Sockperf 3.4 Test: Throughput Messages Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 385050 |========================= 2 x EPYC 7601: mitigations=auto ....... 338887 |====================== 2 x Xeon 8280: mitigations=off ........ 474625 |=============================== 2 x Xeon 8280: mitigations=auto ....... 460795 |============================== 2 x Xeon 6138: mitigations=off ........ 477593 |=============================== 2 x Xeon 6138: mitigations=auto ....... 389887 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 400095 |========================== 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 125555 |================ 2 x EPYC 7601: mitigations=auto ....... 132680 |================= 2 x Xeon 8280: mitigations=off ........ 242011 |=============================== 2 x Xeon 8280: mitigations=auto ....... 239203 |=============================== 2 x Xeon 6138: mitigations=off ........ 143127 |================== 2 x Xeon 6138: mitigations=auto ....... 141658 |================== 2 x Xeon 6138: mitigations=auto,nosmt . 119124 |=============== Memcached mcperf 1.5.10 Method: Add Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 41465 |==================== 2 x EPYC 7601: mitigations=auto ....... 39722 |=================== 2 x Xeon 8280: mitigations=off ........ 66414 |================================ 2 x Xeon 8280: mitigations=auto ....... 63698 |=============================== 2 x Xeon 6138: mitigations=off ........ 62537 |============================== 2 x Xeon 6138: mitigations=auto ....... 51481 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 47057 |======================= Memcached mcperf 1.5.10 Method: Get Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 64508 |================= 2 x EPYC 7601: mitigations=auto ....... 59792 |================ 2 x Xeon 8280: mitigations=off ........ 119226 |=============================== 2 x Xeon 8280: mitigations=auto ....... 107699 |============================ 2 x Xeon 6138: mitigations=off ........ 116771 |============================== 2 x Xeon 6138: mitigations=auto ....... 90772 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 92579 |======================== Memcached mcperf 1.5.10 Method: Set Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 40606 |=================== 2 x EPYC 7601: mitigations=auto ....... 39770 |=================== 2 x Xeon 8280: mitigations=off ........ 67582 |================================ 2 x Xeon 8280: mitigations=auto ....... 63965 |============================== 2 x Xeon 6138: mitigations=off ........ 61443 |============================= 2 x Xeon 6138: mitigations=auto ....... 51911 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 49406 |======================= Memcached mcperf 1.5.10 Method: Append Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 34491 |=============== 2 x EPYC 7601: mitigations=auto ....... 42678 |================== 2 x Xeon 8280: mitigations=off ........ 67672 |============================= 2 x Xeon 8280: mitigations=auto ....... 72130 |=============================== 2 x Xeon 6138: mitigations=off ........ 74928 |================================ 2 x Xeon 6138: mitigations=auto ....... 59608 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 60374 |========================== Memcached mcperf 1.5.10 Method: Delete Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 49533 |============= 2 x EPYC 7601: mitigations=auto ....... 61095 |================ 2 x Xeon 8280: mitigations=off ........ 120307 |=============================== 2 x Xeon 8280: mitigations=auto ....... 108195 |============================ 2 x Xeon 6138: mitigations=off ........ 117500 |============================== 2 x Xeon 6138: mitigations=auto ....... 92546 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 95114 |========================= Memcached mcperf 1.5.10 Method: Prepend Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 34654 |============== 2 x EPYC 7601: mitigations=auto ....... 42423 |================= 2 x Xeon 8280: mitigations=off ........ 79101 |================================ 2 x Xeon 8280: mitigations=auto ....... 73459 |============================== 2 x Xeon 6138: mitigations=off ........ 74977 |============================== 2 x Xeon 6138: mitigations=auto ....... 59621 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 60982 |========================= Memcached mcperf 1.5.10 Method: Replace Operations Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 34604 |============== 2 x EPYC 7601: mitigations=auto ....... 46646 |=================== 2 x Xeon 8280: mitigations=off ........ 77823 |================================ 2 x Xeon 8280: mitigations=auto ....... 29877 |============ 2 x Xeon 6138: mitigations=off ........ 75091 |=============================== 2 x Xeon 6138: mitigations=auto ....... 60050 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 60749 |========================= Redis 4.0.8 Test: LPOP Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 2000150 |======================= 2 x EPYC 7601: mitigations=auto ....... 1722143 |=================== 2 x Xeon 8280: mitigations=off ........ 2342782 |=========================== 2 x Xeon 8280: mitigations=auto ....... 2651345 |============================== 2 x Xeon 6138: mitigations=off ........ 1698548 |=================== 2 x Xeon 6138: mitigations=auto ....... 2245999 |========================= 2 x Xeon 6138: mitigations=auto,nosmt . 2166963 |========================= Redis 4.0.8 Test: SADD Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1647554 |======================= 2 x EPYC 7601: mitigations=auto ....... 1589297 |====================== 2 x Xeon 8280: mitigations=off ........ 2106820 |============================== 2 x Xeon 8280: mitigations=auto ....... 2117503 |============================== 2 x Xeon 6138: mitigations=off ........ 2124682 |============================== 2 x Xeon 6138: mitigations=auto ....... 1824832 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 2109222 |============================== Redis 4.0.8 Test: LPUSH Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1136394 |==================== 2 x EPYC 7601: mitigations=auto ....... 1124270 |==================== 2 x Xeon 8280: mitigations=off ........ 1688954 |============================== 2 x Xeon 8280: mitigations=auto ....... 1644694 |============================= 2 x Xeon 6138: mitigations=off ........ 1690054 |============================== 2 x Xeon 6138: mitigations=auto ....... 1515264 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 1658854 |============================= Redis 4.0.8 Test: GET Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1760594 |====================== 2 x EPYC 7601: mitigations=auto ....... 1723067 |===================== 2 x Xeon 8280: mitigations=off ........ 2396698 |============================== 2 x Xeon 8280: mitigations=auto ....... 2425725 |============================== 2 x Xeon 6138: mitigations=off ........ 2285884 |============================ 2 x Xeon 6138: mitigations=auto ....... 2237825 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 2322644 |============================= Redis 4.0.8 Test: SET Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 1335784 |====================== 2 x EPYC 7601: mitigations=auto ....... 1302734 |===================== 2 x Xeon 8280: mitigations=off ........ 1852827 |============================== 2 x Xeon 8280: mitigations=auto ....... 1830820 |============================== 2 x Xeon 6138: mitigations=off ........ 1718403 |============================ 2 x Xeon 6138: mitigations=auto ....... 1623792 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 1846430 |============================== NGINX Benchmark 1.9.9 Static Web Page Serving Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 18390 |================= 2 x EPYC 7601: mitigations=auto ....... 19947 |================== 2 x Xeon 8280: mitigations=off ........ 32276 |============================= 2 x Xeon 8280: mitigations=auto ....... 30480 |============================ 2 x Xeon 6138: mitigations=off ........ 35454 |================================ 2 x Xeon 6138: mitigations=auto ....... 28450 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 28517 |========================== Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 17124 |=================== 2 x EPYC 7601: mitigations=auto ....... 15807 |================== 2 x Xeon 8280: mitigations=off ........ 28637 |================================ 2 x Xeon 8280: mitigations=auto ....... 25404 |============================ 2 x Xeon 6138: mitigations=off ........ 26833 |============================== 2 x Xeon 6138: mitigations=auto ....... 21705 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 22344 |========================= PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 393131 |=================== 2 x EPYC 7601: mitigations=auto ....... 393640 |=================== 2 x Xeon 8280: mitigations=off ........ 641228 |=============================== 2 x Xeon 8280: mitigations=auto ....... 641454 |=============================== 2 x Xeon 6138: mitigations=off ........ 595923 |============================= 2 x Xeon 6138: mitigations=auto ....... 595173 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 597011 |============================= OpenSSL 1.1.1 RSA 4096-bit Performance Signs Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 9224 |====================== 2 x EPYC 7601: mitigations=auto ....... 9237 |====================== 2 x Xeon 8280: mitigations=off ........ 13707 |================================ 2 x Xeon 8280: mitigations=auto ....... 13606 |================================ 2 x Xeon 6138: mitigations=off ........ 7866 |================== 2 x Xeon 6138: mitigations=auto ....... 7844 |================== 2 x Xeon 6138: mitigations=auto,nosmt . 7545 |================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 5434 |============================= 2 x EPYC 7601: mitigations=auto ....... 5247 |============================ 2 x Xeon 8280: mitigations=off ........ 6199 |================================= 2 x Xeon 8280: mitigations=auto ....... 5952 |================================ 2 x Xeon 6138: mitigations=off ........ 5859 |=============================== 2 x Xeon 6138: mitigations=auto ....... 4807 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 4901 |========================== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only TPS > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 517604 |================== 2 x EPYC 7601: mitigations=auto ....... 516768 |================= 2 x Xeon 8280: mitigations=off ........ 916749 |=============================== 2 x Xeon 8280: mitigations=auto ....... 910249 |=============================== 2 x Xeon 6138: mitigations=off ........ 589830 |==================== 2 x Xeon 6138: mitigations=auto ....... 543608 |================== 2 x Xeon 6138: mitigations=auto,nosmt . 432205 |=============== Apache Siege 2.4.29 Concurrent Users: 250 Transactions Per Second > Higher Is Better 2 x EPYC 7601: mitigations=off ........ 22620 |===================== 2 x EPYC 7601: mitigations=auto ....... 22379 |===================== 2 x Xeon 8280: mitigations=off ........ 34447 |================================ 2 x Xeon 6138: mitigations=off ........ 31529 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 29682 |============================ ctx_clock Context Switch Time Clocks < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 132 |======== 2 x EPYC 7601: mitigations=auto ....... 132 |======== 2 x Xeon 8280: mitigations=off ........ 130 |======== 2 x Xeon 8280: mitigations=auto ....... 131 |======== 2 x Xeon 6138: mitigations=off ........ 101 |====== 2 x Xeon 6138: mitigations=auto ....... 577 |================================= 2 x Xeon 6138: mitigations=auto,nosmt . 586 |================================== NAMD 2.13b1 ATPase Simulation - 327,506 Atoms days/ns < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 0.44827 |================== 2 x EPYC 7601: mitigations=auto ....... 0.44742 |================== 2 x Xeon 8280: mitigations=off ........ 0.35818 |=============== 2 x Xeon 8280: mitigations=auto ....... 0.35802 |=============== 2 x Xeon 6138: mitigations=off ........ 0.66421 |=========================== 2 x Xeon 6138: mitigations=auto ....... 0.66124 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 0.73166 |============================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1 Microseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 20.02 |============================= 2 x EPYC 7601: mitigations=auto ....... 21.43 |=============================== 2 x Xeon 8280: mitigations=off ........ 18.77 |=========================== 2 x Xeon 8280: mitigations=auto ....... 19.50 |============================= 2 x Xeon 6138: mitigations=off ........ 16.13 |======================== 2 x Xeon 6138: mitigations=auto ....... 21.87 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 20.45 |============================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32 Microseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 19.23 |=========================== 2 x EPYC 7601: mitigations=auto ....... 22.89 |================================ 2 x Xeon 8280: mitigations=off ........ 16.69 |======================= 2 x Xeon 8280: mitigations=auto ....... 18.25 |========================== 2 x Xeon 6138: mitigations=off ........ 16.97 |======================== 2 x Xeon 6138: mitigations=auto ....... 21.57 |============================== 2 x Xeon 6138: mitigations=auto,nosmt . 20.64 |============================= Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 64 Microseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 18.92 |============================ 2 x EPYC 7601: mitigations=auto ....... 20.47 |============================== 2 x Xeon 8280: mitigations=off ........ 17.10 |========================= 2 x Xeon 8280: mitigations=auto ....... 18.89 |============================ 2 x Xeon 6138: mitigations=off ........ 16.07 |======================= 2 x Xeon 6138: mitigations=auto ....... 21.96 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 20.47 |============================== PyBench 2018-02-16 Total For Average Test Times Milliseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 1471 |================================= 2 x EPYC 7601: mitigations=auto ....... 1485 |================================= 2 x Xeon 8280: mitigations=off ........ 1016 |======================= 2 x Xeon 8280: mitigations=auto ....... 1017 |======================= 2 x Xeon 6138: mitigations=off ........ 1082 |======================== 2 x Xeon 6138: mitigations=auto ....... 1079 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 1084 |======================== glibc bench 1.0 Benchmark: ffs nanoseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 2.38 |================================ 2 x EPYC 7601: mitigations=auto ....... 2.42 |================================= 2 x Xeon 8280: mitigations=off ........ 1.65 |======================= 2 x Xeon 8280: mitigations=auto ....... 1.66 |======================= 2 x Xeon 6138: mitigations=off ........ 1.77 |======================== 2 x Xeon 6138: mitigations=auto ....... 2.06 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 2.06 |============================ glibc bench 1.0 Benchmark: ffsll nanoseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 2.38 |================================ 2 x EPYC 7601: mitigations=auto ....... 2.42 |================================= 2 x Xeon 8280: mitigations=off ........ 1.65 |======================= 2 x Xeon 8280: mitigations=auto ....... 1.66 |======================= 2 x Xeon 6138: mitigations=off ........ 1.78 |======================== 2 x Xeon 6138: mitigations=auto ....... 2.06 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 2.07 |============================ glibc bench 1.0 Benchmark: pthread_once nanoseconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 2.38 |================================ 2 x EPYC 7601: mitigations=auto ....... 2.42 |================================= 2 x Xeon 8280: mitigations=off ........ 1.66 |======================= 2 x Xeon 8280: mitigations=auto ....... 1.67 |======================= 2 x Xeon 6138: mitigations=off ........ 1.77 |======================== 2 x Xeon 6138: mitigations=auto ....... 2.06 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 2.06 |============================ OSBench Test: Memory Allocations Ns Per Event < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 92.74 |============================== 2 x EPYC 7601: mitigations=auto ....... 91.64 |============================== 2 x Xeon 8280: mitigations=off ........ 85.30 |============================ 2 x Xeon 8280: mitigations=auto ....... 85.39 |============================ 2 x Xeon 6138: mitigations=off ........ 94.26 |============================== 2 x Xeon 6138: mitigations=auto ....... 98.96 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 98.12 |================================ t-test1 2017-01-13 Threads: 2 Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 9.36 |============= 2 x EPYC 7601: mitigations=auto ....... 8.95 |============= 2 x Xeon 8280: mitigations=off ........ 8.89 |============= 2 x Xeon 8280: mitigations=auto ....... 8.33 |============ 2 x Xeon 6138: mitigations=off ........ 8.98 |============= 2 x Xeon 6138: mitigations=auto ....... 9.12 |============= 2 x Xeon 6138: mitigations=auto,nosmt . 22.55 |================================ Timed Linux Kernel Compilation 4.18 Time To Compile Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 23.29 |===================== 2 x EPYC 7601: mitigations=auto ....... 23.63 |====================== 2 x Xeon 8280: mitigations=off ........ 21.19 |=================== 2 x Xeon 8280: mitigations=auto ....... 21.22 |=================== 2 x Xeon 6138: mitigations=off ........ 30.45 |============================ 2 x Xeon 6138: mitigations=auto ....... 31.76 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 34.89 |================================ Timed LLVM Compilation 6.0.1 Time To Compile Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 135 |============================ 2 x EPYC 7601: mitigations=auto ....... 132 |=========================== 2 x Xeon 8280: mitigations=off ........ 105 |====================== 2 x Xeon 8280: mitigations=auto ....... 105 |====================== 2 x Xeon 6138: mitigations=off ........ 152 |=============================== 2 x Xeon 6138: mitigations=auto ....... 153 |=============================== 2 x Xeon 6138: mitigations=auto,nosmt . 166 |================================== Y-Cruncher 0.7.7 Calculating 500M Pi Digits Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 15.11 |================================ 2 x EPYC 7601: mitigations=auto ....... 15.27 |================================ 2 x Xeon 8280: mitigations=off ........ 9.10 |=================== 2 x Xeon 8280: mitigations=auto ....... 9.13 |=================== 2 x Xeon 6138: mitigations=off ........ 11.48 |======================== 2 x Xeon 6138: mitigations=auto ....... 11.55 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 10.93 |======================= XZ Compression 5.2.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 27.04 |================================ 2 x EPYC 7601: mitigations=auto ....... 25.92 |=============================== 2 x Xeon 8280: mitigations=off ........ 21.81 |========================== 2 x Xeon 8280: mitigations=auto ....... 21.53 |========================= 2 x Xeon 6138: mitigations=off ........ 23.06 |=========================== 2 x Xeon 6138: mitigations=auto ....... 23.24 |============================ 2 x Xeon 6138: mitigations=auto,nosmt . 23.29 |============================ Zstd Compression 1.3.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 14.46 |================================ 2 x EPYC 7601: mitigations=auto ....... 14.32 |================================ 2 x Xeon 8280: mitigations=off ........ 9.13 |==================== 2 x Xeon 8280: mitigations=auto ....... 9.04 |==================== 2 x Xeon 6138: mitigations=off ........ 10.70 |======================== 2 x Xeon 6138: mitigations=auto ....... 10.84 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 10.74 |======================== dav1d 0.3 Video Input: Summer Nature 4K Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 19.00 |======================== 2 x EPYC 7601: mitigations=auto ....... 19.36 |======================== 2 x Xeon 8280: mitigations=off ........ 18.01 |====================== 2 x Xeon 8280: mitigations=auto ....... 17.81 |====================== 2 x Xeon 6138: mitigations=off ........ 24.80 |=============================== 2 x Xeon 6138: mitigations=auto ....... 25.05 |=============================== 2 x Xeon 6138: mitigations=auto,nosmt . 25.66 |================================ dav1d 0.3 Video Input: Summer Nature 1080p Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 6.55 |================ 2 x EPYC 7601: mitigations=auto ....... 6.47 |================ 2 x Xeon 8280: mitigations=off ........ 9.05 |====================== 2 x Xeon 8280: mitigations=auto ....... 9.17 |====================== 2 x Xeon 6138: mitigations=off ........ 11.85 |============================= 2 x Xeon 6138: mitigations=auto ....... 11.92 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 13.18 |================================ Hackbench Count: 32 - Type: Process Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 42.20 |========================== 2 x EPYC 7601: mitigations=auto ....... 43.41 |=========================== 2 x Xeon 8280: mitigations=off ........ 36.45 |====================== 2 x Xeon 8280: mitigations=auto ....... 36.09 |====================== 2 x Xeon 6138: mitigations=off ........ 43.93 |=========================== 2 x Xeon 6138: mitigations=auto ....... 52.03 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 49.61 |=============================== Perl Benchmarks Test: Interpreter Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 0.00124280 |========= 2 x EPYC 7601: mitigations=auto ....... 0.00125506 |========= 2 x Xeon 8280: mitigations=off ........ 0.00312337 |======================== 2 x Xeon 8280: mitigations=auto ....... 0.00315507 |======================== 2 x Xeon 6138: mitigations=off ........ 0.00312465 |======================== 2 x Xeon 6138: mitigations=auto ....... 0.00357271 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 0.00352684 |=========================== Darktable 2.6.0 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 10.95 |================================ 2 x EPYC 7601: mitigations=auto ....... 10.74 |=============================== 2 x Xeon 8280: mitigations=off ........ 3.98 |============ 2 x Xeon 8280: mitigations=auto ....... 3.90 |=========== 2 x Xeon 6138: mitigations=off ........ 5.00 |=============== 2 x Xeon 6138: mitigations=auto ....... 5.18 |=============== 2 x Xeon 6138: mitigations=auto,nosmt . 4.56 |============= Darktable 2.6.0 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 6.82 |================================= 2 x EPYC 7601: mitigations=auto ....... 6.88 |================================= 2 x Xeon 8280: mitigations=off ........ 4.54 |====================== 2 x Xeon 8280: mitigations=auto ....... 4.53 |====================== 2 x Xeon 6138: mitigations=off ........ 4.53 |====================== 2 x Xeon 6138: mitigations=auto ....... 4.88 |======================= 2 x Xeon 6138: mitigations=auto,nosmt . 5.12 |========================= Darktable 2.6.0 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 4.70 |============================= 2 x EPYC 7601: mitigations=auto ....... 5.27 |================================= 2 x Xeon 8280: mitigations=off ........ 1.98 |============ 2 x Xeon 8280: mitigations=auto ....... 1.90 |============ 2 x Xeon 6138: mitigations=off ........ 2.19 |============== 2 x Xeon 6138: mitigations=auto ....... 2.21 |============== 2 x Xeon 6138: mitigations=auto,nosmt . 2.17 |============== GIMP 2.10.8 Test: resize Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 12.86 |=============================== 2 x EPYC 7601: mitigations=auto ....... 13.05 |=============================== 2 x Xeon 8280: mitigations=off ........ 12.14 |============================= 2 x Xeon 8280: mitigations=auto ....... 12.39 |============================= 2 x Xeon 6138: mitigations=off ........ 12.79 |============================== 2 x Xeon 6138: mitigations=auto ....... 13.35 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 13.48 |================================ GIMP 2.10.8 Test: rotate Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 18.21 |============================== 2 x EPYC 7601: mitigations=auto ....... 18.01 |============================= 2 x Xeon 8280: mitigations=off ........ 18.07 |============================= 2 x Xeon 8280: mitigations=auto ....... 18.30 |============================== 2 x Xeon 6138: mitigations=off ........ 18.80 |=============================== 2 x Xeon 6138: mitigations=auto ....... 19.56 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 19.70 |================================ GIMP 2.10.8 Test: auto-levels Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 31.95 |================================ 2 x EPYC 7601: mitigations=auto ....... 30.82 |=============================== 2 x Xeon 8280: mitigations=off ........ 22.73 |======================= 2 x Xeon 8280: mitigations=auto ....... 22.50 |======================= 2 x Xeon 6138: mitigations=off ........ 25.18 |========================= 2 x Xeon 6138: mitigations=auto ....... 26.91 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 25.87 |========================== GIMP 2.10.8 Test: unsharp-mask Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 40.21 |================================ 2 x EPYC 7601: mitigations=auto ....... 39.89 |================================ 2 x Xeon 8280: mitigations=off ........ 25.70 |==================== 2 x Xeon 8280: mitigations=auto ....... 27.04 |====================== 2 x Xeon 6138: mitigations=off ........ 29.67 |======================== 2 x Xeon 6138: mitigations=auto ....... 32.11 |========================== 2 x Xeon 6138: mitigations=auto,nosmt . 30.85 |========================= Git Time To Complete Common Git Commands Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 7.10 |================================= 2 x EPYC 7601: mitigations=auto ....... 7.15 |================================= 2 x Xeon 8280: mitigations=off ........ 5.83 |=========================== 2 x Xeon 8280: mitigations=auto ....... 5.90 |=========================== 2 x Xeon 6138: mitigations=off ........ 6.20 |============================= 2 x Xeon 6138: mitigations=auto ....... 6.37 |============================= 2 x Xeon 6138: mitigations=auto,nosmt . 6.29 |============================= Scikit-Learn 0.17.1 Seconds < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 12.51 |============= 2 x EPYC 7601: mitigations=auto ....... 12.69 |============== 2 x Xeon 8280: mitigations=off ........ 27.47 |============================== 2 x Xeon 8280: mitigations=auto ....... 27.70 |============================== 2 x Xeon 6138: mitigations=off ........ 29.76 |================================ 2 x Xeon 6138: mitigations=auto ....... 29.79 |================================ 2 x Xeon 6138: mitigations=auto,nosmt . 29.74 |================================ OSBench Test: Create Files us Per Event < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 18.34 |============================== 2 x EPYC 7601: mitigations=auto ....... 19.58 |================================ 2 x Xeon 8280: mitigations=off ........ 12.89 |===================== 2 x Xeon 8280: mitigations=auto ....... 13.71 |====================== 2 x Xeon 6138: mitigations=off ........ 13.58 |====================== 2 x Xeon 6138: mitigations=auto ....... 16.51 |=========================== 2 x Xeon 6138: mitigations=auto,nosmt . 16.41 |=========================== OSBench Test: Create Threads us Per Event < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 65.10 |================================ 2 x EPYC 7601: mitigations=auto ....... 64.10 |================================ 2 x Xeon 8280: mitigations=off ........ 19.22 |========= 2 x Xeon 8280: mitigations=auto ....... 19.58 |========== 2 x Xeon 6138: mitigations=off ........ 20.15 |========== 2 x Xeon 6138: mitigations=auto ....... 22.59 |=========== 2 x Xeon 6138: mitigations=auto,nosmt . 19.94 |========== OSBench Test: Launch Programs us Per Event < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 93.15 |================================ 2 x EPYC 7601: mitigations=auto ....... 91.66 |=============================== 2 x Xeon 8280: mitigations=off ........ 54.21 |=================== 2 x Xeon 8280: mitigations=auto ....... 53.88 |=================== 2 x Xeon 6138: mitigations=off ........ 52.85 |================== 2 x Xeon 6138: mitigations=auto ....... 56.64 |=================== 2 x Xeon 6138: mitigations=auto,nosmt . 49.27 |================= Sockperf 3.4 Test: Latency Ping Pong usec < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 3.11 |====================== 2 x EPYC 7601: mitigations=auto ....... 3.62 |========================== 2 x Xeon 8280: mitigations=off ........ 3.54 |========================= 2 x Xeon 8280: mitigations=auto ....... 3.73 |========================== 2 x Xeon 6138: mitigations=off ........ 3.76 |=========================== 2 x Xeon 6138: mitigations=auto ....... 4.60 |================================= 2 x Xeon 6138: mitigations=auto,nosmt . 4.65 |================================= Sockperf 3.4 Test: Latency Under Load usec < Lower Is Better 2 x EPYC 7601: mitigations=off ........ 14.61 |============ 2 x EPYC 7601: mitigations=auto ....... 13.48 |=========== 2 x Xeon 8280: mitigations=off ........ 34.27 |============================ 2 x Xeon 8280: mitigations=auto ....... 37.28 |=============================== 2 x Xeon 6138: mitigations=off ........ 32.44 |=========================== 2 x Xeon 6138: mitigations=auto ....... 28.53 |======================== 2 x Xeon 6138: mitigations=auto,nosmt . 38.58 |================================