CentOS 7 Mitigation Tests

Comparison with older Xeon

HTML result view exported from: https://openbenchmarking.org/result/1803219-FO-1803193FO28&sor.

ProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionDefaultNo MitigationDefaultNo MitigationDefault Xeon Xeon EPYC EPYC C240M4-E52650v42 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads)TYAN S7106 (V1.00 BIOS)Intel Device 202095232MB256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150LLVMpipeVE228Intel I210 Gigabit ConnectionCentOS Linux 73.10.0-693.21.1.el7.x86_64 (x86_64)GNOME Shell 3.22.3X Server 1.19.3modesetting 1.19.32.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits)GCC 4.8.5 20150623xfs1920x1080AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads)TYAN B8026T70AE24HR (V0.05.B10 BIOS)AMD Device 1450129024MB280GB INTEL SSDPE21D280GABroadcom Limited NetXtreme BCM5720 Gigabit PCIe2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 128 bits)2 x Intel Xeon E5-2650 v4 @ 2.90GHz (24 Cores / 48 Threads)Cisco s UCSC-C220-M4S (C220M4.3.0.3c.0.0831170216 BIOS)299GB UCSC-MRAID12Gmgadrmfb1024x768OpenBenchmarking.orgCompiler Details- --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic Disk Details- Default: Xeon: CFQ / attr2,inode64,noquota,relatime,rw,seclabel- No Mitigation: Xeon: CFQ / attr2,inode64,noquota,relatime,rw,seclabel- Default: EPYC: none / attr2,inode64,noquota,relatime,rw,seclabel- No Mitigation: EPYC: none / attr2,inode64,noquota,relatime,rw,seclabel- Default: C240M4-E52650v4: DEADLINE / attr2,inode64,noquota,relatime,rw,seclabelProcessor Details- Default: Xeon: Scaling Governor: intel_pstate powersave- No Mitigation: Xeon: Scaling Governor: intel_pstate powersave- Default: EPYC: Scaling Governor: acpi-cpufreq conservative- No Mitigation: EPYC: Scaling Governor: acpi-cpufreq conservative- Default: C240M4-E52650v4: Scaling Governor: intel_pstate performancePython Details- Python 2.7.5Security Details- Default: Xeon, No Mitigation: Xeon, Default: EPYC, No Mitigation: EPYC: SELinux Protection

sqlite: Timed SQLite Insertionsfio: Rand Read - Linux AIO - No - Yes - 2MB - Default Test Directoryfio: Rand Write - Linux AIO - No - Yes - 2MB - Default Test Directoryfio: Seq Read - Linux AIO - No - Yes - 2MB - Default Test Directoryfio: Seq Write - Linux AIO - No - Yes - 2MB - Default Test Directoryblogbench: Readblogbench: Writeiozone: 4Kb - 8GB - Write Performancecompilebench: Compilecompilebench: Initial Createcompilebench: Read Compiled Treenetperf: 192.168.1.55 - TCP Send File - 60 Secondsnetperf: 192.168.1.55 - TCP Request Response - 60 Secondsnetperf: 192.168.1.55 - UDP Request Response - 60 Secondsnetperf: 192.168.1.55 - TCP Stream - Client To Server - 60 Secondsnetperf: 192.168.1.55 - TCP Stream - Server To Client - 60 Secondsnetperf: 192.168.1.55 - UDP Stream - Server To Client - 10G - 60 Secondsebizzy: build-linux-kernel: Time To Compilehackbench: 16 - Threadhackbench: 16 - Processsystemd-boot-total: Totalsystemd-boot-total: Kernelsystemd-boot-total: Loadersystemd-boot-total: Firmwaresystemd-boot-total: Userspacepgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Single Thread - Read Onlypgbench: Buffer Test - Single Thread - Read Writeredis: LPOPredis: SADDredis: LPUSHredis: GETredis: SETstress-ng: Forkingstress-ng: Semaphoresstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: System V Message Passingcompress-rar: Linux Source Tree Archiving To RARgit: Time To Complete Common Git Commandsschbench: 8 - 4schbench: 8 - 6DefaultNo MitigationDefaultNo MitigationDefault Xeon Xeon EPYC EPYC C240M4-E52650v447.17534516534516134719410718366.831460.15222.551786.12941.44715.57748.07788.06941.35961.7849697925.8229.2325.31253881629482310248742144463589604.888904.4419183.95454.831605734.421360277.751105101.921610474.091232095.7564139.63229301.543300.3515540101.785535241.82163.796.2313111947.01533515533516141943210960379.231536.84253.302097.64941.38795.77835.27788.10941.27961.7148876024.9425.8124.0723018279118428606672.778863.3520927.92463.331449609.171421813.121155179.381609005.091308916.9664683.94247476.163297.6417854342.785877638.95169.816.241071226.562614217926162178107718012734815.371275.37155.501461.13941.15528.16325.74786.77940.85961.65112860931.8630.3617.74106009182654924449652882350860.9819123.5013418.482035.471167236.621000430.87790912.271153713.90899226.9742635.50237838.143409.0114023842.084828921.70212.207.523793946.282606217926172178107185213165851.681376.46162.031539.24941.20397.55365.43788.33940.67961.69112420332.0129.1817.22831381812134324647320117352912.3218912.2413933.942056.96832909.061026789.50803664.961143321.88919106.9545411.65241176.073413.0813329232.974984809.43207.097.60380375225.5425214429819216869082162115.2049440939.2025.2124.47419852444368131487480.251202903.54936269.561437054.881091377.6277255.48373271.389337.648375392.544525754.967.93764557OpenBenchmarking.org

SQLite

Timed SQLite Insertions

No MitigationDefaultOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsEPYCXeonC240M4-E52650v450100150200250SE +/- 0.32, N = 6SE +/- 0.12, N = 3SE +/- 0.36, N = 6SE +/- 0.09, N = 3SE +/- 2.75, N = 36.2847.016.5647.17225.541. (CC) gcc options: -O2 -ldl -lpthread

Flexible IO Tester

Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

DefaultNo MitigationOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryEPYCXeonC240M4-E52650v46001200180024003000SE +/- 0.33, N = 3SE +/- 0.67, N = 3SE +/- 9.33, N = 3261453425226065331. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryEPYCXeonC240M4-E52650v45001000150020002500SE +/- 1.53, N = 3217951521795161441. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryEPYCXeonC240M4-E52650v46001200180024003000SE +/- 0.33, N = 3SE +/- 0.33, N = 3261753326165342981. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryEPYCXeonC240M4-E52650v45001000150020002500SE +/- 0.88, N = 3SE +/- 0.33, N = 3217851621785161921. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

BlogBench

Test: Read

DefaultNo MitigationOpenBenchmarking.orgFinal Score, More Is BetterBlogBench 1.0Test: ReadC240M4-E52650v4XeonEPYC400K800K1200K1600K2000KSE +/- 10749.52, N = 3SE +/- 12522.98, N = 3SE +/- 9564.08, N = 3SE +/- 23638.75, N = 4SE +/- 5471.69, N = 3168690813471941077180141943210718521. (CC) gcc options: -O2 -pthread

BlogBench

Test: Write

No MitigationDefaultOpenBenchmarking.orgFinal Score, More Is BetterBlogBench 1.0Test: WriteEPYCXeonC240M4-E52650v43K6K9K12K15KSE +/- 31.67, N = 3SE +/- 87.79, N = 3SE +/- 105.36, N = 3SE +/- 11.53, N = 3SE +/- 14.77, N = 31316510960127341071821621. (CC) gcc options: -O2 -pthread

IOzone

Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterIOzone 3.465Record Size: 4Kb - File Size: 8GB - Disk Test: Write PerformanceEPYCXeonC240M4-E52650v42004006008001000SE +/- 17.05, N = 3SE +/- 5.52, N = 3SE +/- 14.27, N = 4SE +/- 0.82, N = 3SE +/- 0.88, N = 3851.68379.23815.37366.83115.201. (CC) gcc options: -O3

Compile Bench

Test: Compile

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileXeonEPYC30060090012001500SE +/- 2.50, N = 3SE +/- 13.70, N = 3SE +/- 22.10, N = 3SE +/- 3.80, N = 31536.841376.461460.151275.37

Compile Bench

Test: Initial Create

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateXeonEPYC60120180240300SE +/- 3.53, N = 3SE +/- 1.94, N = 3SE +/- 1.38, N = 3SE +/- 0.64, N = 3253.30162.03222.55155.50

Compile Bench

Test: Read Compiled Tree

No MitigationDefaultOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Read Compiled TreeXeonEPYC5001000150020002500SE +/- 53.11, N = 3SE +/- 25.56, N = 3SE +/- 67.36, N = 3SE +/- 42.62, N = 32097.641539.241786.121461.13

Netperf

Server: 192.168.1.55 - Test: TCP Send File - Duration: 60 Seconds

DefaultNo MitigationOpenBenchmarking.orgMegabits/sec Throughput, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: TCP Send File - Duration: 60 SecondsXeonEPYC2004006008001000SE +/- 0.01, N = 3SE +/- 0.13, N = 3SE +/- 0.06, N = 3SE +/- 0.09, N = 3941.44941.15941.38941.201. (CC) gcc options: -O3 -march=native -lm

Netperf

Server: 192.168.1.55 - Test: TCP Request Response - Duration: 60 Seconds

No MitigationDefaultOpenBenchmarking.orgTransaction Rate Per Second, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: TCP Request Response - Duration: 60 SecondsXeonEPYC2004006008001000SE +/- 4.51, N = 3SE +/- 100.88, N = 6SE +/- 10.77, N = 4SE +/- 114.08, N = 6795.77397.55715.57528.161. (CC) gcc options: -O3 -march=native -lm

Netperf

Server: 192.168.1.55 - Test: UDP Request Response - Duration: 60 Seconds

No MitigationDefaultOpenBenchmarking.orgTransaction Rate Per Second, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: UDP Request Response - Duration: 60 SecondsXeonEPYC2004006008001000SE +/- 16.23, N = 3SE +/- 120.58, N = 6SE +/- 10.22, N = 3SE +/- 131.22, N = 6835.27365.43748.07325.741. (CC) gcc options: -O3 -march=native -lm

Netperf

Server: 192.168.1.55 - Test: TCP Stream - Client To Server - Duration: 60 Seconds

No MitigationDefaultOpenBenchmarking.orgMegabits/sec Throughput, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: TCP Stream - Client To Server - Duration: 60 SecondsEPYCXeon2004006008001000SE +/- 0.04, N = 3SE +/- 0.15, N = 3SE +/- 0.10, N = 3SE +/- 1.43, N = 3788.33788.10788.06786.771. (CC) gcc options: -O3 -march=native -lm

Netperf

Server: 192.168.1.55 - Test: TCP Stream - Server To Client - Duration: 60 Seconds

DefaultNo MitigationOpenBenchmarking.orgMegabits/sec Throughput, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: TCP Stream - Server To Client - Duration: 60 SecondsXeonEPYC2004006008001000SE +/- 0.04, N = 3SE +/- 0.16, N = 3SE +/- 0.11, N = 3SE +/- 0.36, N = 3941.35940.85941.27940.671. (CC) gcc options: -O3 -march=native -lm

Netperf

Server: 192.168.1.55 - Test: UDP Stream - Server To Client - 10G - Duration: 60 Seconds

DefaultNo MitigationOpenBenchmarking.orgMegabits/sec Throughput, More Is BetterNetperf 2.7.0Server: 192.168.1.55 - Test: UDP Stream - Server To Client - 10G - Duration: 60 SecondsXeonEPYC2004006008001000SE +/- 0.00, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3961.78961.65961.71961.691. (CC) gcc options: -O3 -march=native -lm

ebizzy

DefaultNo MitigationOpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3EPYCXeonC240M4-E52650v4200K400K600K800K1000KSE +/- 18137.48, N = 3SE +/- 6186.16, N = 3SE +/- 6605.90, N = 3SE +/- 30623.06, N = 6SE +/- 7014.28, N = 3112860949697949440911242034887601. (CC) gcc options: -pthread -lpthread -O3 -march=native

Timed Linux Kernel Compilation

Time To Compile

No MitigationDefaultOpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.13Time To CompileXeonEPYCC240M4-E52650v4918273645SE +/- 0.51, N = 6SE +/- 0.61, N = 6SE +/- 0.60, N = 6SE +/- 0.68, N = 6SE +/- 0.65, N = 624.9432.0125.8231.8639.20

Hackbench

Count: 16 - Type: Thread

DefaultNo MitigationOpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: ThreadC240M4-E52650v4XeonEPYC714212835SE +/- 0.07, N = 3SE +/- 0.44, N = 3SE +/- 0.58, N = 6SE +/- 0.43, N = 6SE +/- 0.49, N = 325.2129.2330.3625.8129.181. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Process

No MitigationDefaultOpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: ProcessEPYCXeonC240M4-E52650v4612182430SE +/- 0.15, N = 3SE +/- 0.35, N = 3SE +/- 0.35, N = 6SE +/- 0.05, N = 3SE +/- 0.63, N = 617.2224.0717.7424.4725.311. (CC) gcc options: -lpthread

Systemd Total Boot Time

Test: Total

No MitigationDefaultOpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: TotalXeonC240M4-E52650v4EPYC500K1000K1500K2000K2500K2301883138419851060092538816

Systemd Total Boot Time

Test: Kernel

No MitigationDefaultOpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: KernelEPYCC240M4-E52650v4Xeon600120018002400300018122791182624442948

Systemd Total Boot Time

Test: Loader

DefaultNo MitigationOpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: LoaderXeonEPYC3K6K9K12K15K2310549213432

Systemd Total Boot Time

Test: Firmware

DefaultNo MitigationOpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: FirmwareEPYCXeon500K1000K1500K2000K2500K44496248742146473

Systemd Total Boot Time

Test: Userspace

No MitigationDefaultOpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: UserspaceXeonEPYCC240M4-E52650v411K22K33K44K55K1842820117368134446352882

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Only

No MitigationDefaultOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyXeonEPYC130K260K390K520K650KSE +/- 10702.56, N = 6SE +/- 2073.02, N = 3SE +/- 3440.47, N = 3SE +/- 379.13, N = 3606672.77352912.32589604.88350860.981. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Write

DefaultNo MitigationOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteEPYCXeon4K8K12K16K20KSE +/- 273.59, N = 5SE +/- 8.89, N = 3SE +/- 355.75, N = 3SE +/- 37.58, N = 319123.508904.4418912.248863.351. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Single Thread - Mode: Read Only

No MitigationDefaultOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Single Thread - Mode: Read OnlyXeonEPYC4K8K12K16K20KSE +/- 47.53, N = 3SE +/- 159.76, N = 3SE +/- 152.63, N = 3SE +/- 64.88, N = 320927.9213933.9419183.9513418.481. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Single Thread - Mode: Read Write

No MitigationDefaultOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteEPYCXeon400800120016002000SE +/- 29.73, N = 6SE +/- 3.76, N = 3SE +/- 35.02, N = 3SE +/- 3.02, N = 32056.96463.332035.47454.831. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Redis

Test: LPOP

DefaultNo MitigationOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: LPOPXeonC240M4-E52650v4EPYC300K600K900K1200K1500KSE +/- 30273.65, N = 6SE +/- 9525.75, N = 3SE +/- 14874.04, N = 3SE +/- 118496.65, N = 6SE +/- 14323.78, N = 31605734.421487480.251167236.621449609.17832909.061. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: SADD

No MitigationDefaultOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SADDXeonC240M4-E52650v4EPYC300K600K900K1200K1500KSE +/- 2935.21, N = 3SE +/- 6981.54, N = 3SE +/- 34509.71, N = 6SE +/- 3170.45, N = 3SE +/- 14784.29, N = 31421813.121026789.501360277.751202903.541000430.871. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: LPUSH

No MitigationDefaultOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: LPUSHXeonC240M4-E52650v4EPYC200K400K600K800K1000KSE +/- 445.00, N = 3SE +/- 13536.05, N = 3SE +/- 8460.85, N = 3SE +/- 15555.64, N = 3SE +/- 11432.55, N = 51155179.38803664.961105101.92936269.56790912.271. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: GET

DefaultNo MitigationOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: GETXeonC240M4-E52650v4EPYC300K600K900K1200K1500KSE +/- 54335.61, N = 6SE +/- 13971.13, N = 3SE +/- 33824.99, N = 6SE +/- 18583.91, N = 3SE +/- 17368.61, N = 41610474.091437054.881153713.901609005.091143321.881. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: SET

No MitigationDefaultOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETXeonC240M4-E52650v4EPYC300K600K900K1200K1500KSE +/- 19675.61, N = 3SE +/- 22849.80, N = 6SE +/- 6232.77, N = 3SE +/- 6271.05, N = 3SE +/- 15054.31, N = 41308916.96919106.951232095.751091377.62899226.971. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Stress-NG

Test: Forking

DefaultNo MitigationOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: ForkingC240M4-E52650v4XeonEPYC17K34K51K68K85KSE +/- 582.49, N = 3SE +/- 1408.35, N = 6SE +/- 1430.46, N = 6SE +/- 863.59, N = 6SE +/- 1321.55, N = 677255.4864139.6342635.5064683.9445411.651. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Semaphores

DefaultNo MitigationOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: SemaphoresC240M4-E52650v4XeonEPYC80K160K240K320K400KSE +/- 9167.64, N = 6SE +/- 493.46, N = 3SE +/- 1445.04, N = 3SE +/- 2801.19, N = 3SE +/- 2408.75, N = 3373271.38237838.14229301.54247476.16241176.071. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

DefaultNo MitigationOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityC240M4-E52650v4EPYCXeon2K4K6K8K10KSE +/- 169.85, N = 3SE +/- 2153.81, N = 6SE +/- 2085.05, N = 6SE +/- 2156.28, N = 6SE +/- 2083.35, N = 69337.643409.013300.353413.083297.641. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Context Switching

No MitigationDefaultOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context SwitchingXeonEPYCC240M4-E52650v44M8M12M16M20MSE +/- 278249.11, N = 3SE +/- 88330.28, N = 3SE +/- 285738.13, N = 6SE +/- 214794.01, N = 3SE +/- 145783.18, N = 617854342.7813329232.9715540101.7814023842.088375392.541. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: System V Message Passing

No MitigationDefaultOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message PassingXeonEPYCC240M4-E52650v41.3M2.6M3.9M5.2M6.5MSE +/- 23577.80, N = 3SE +/- 17091.59, N = 3SE +/- 40096.53, N = 3SE +/- 5394.60, N = 3SE +/- 44382.75, N = 35877638.954984809.435535241.824828921.704525754.961. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

RAR Compression

Linux Source Tree Archiving To RAR

DefaultNo MitigationOpenBenchmarking.orgSeconds, Fewer Is BetterRAR Compression 5.6.b1Linux Source Tree Archiving To RARXeonEPYC50100150200250SE +/- 4.56, N = 6SE +/- 3.34, N = 6SE +/- 1.73, N = 3SE +/- 2.52, N = 3163.79212.20169.81207.09

Git

Time To Complete Common Git Commands

DefaultNo MitigationOpenBenchmarking.orgSeconds, Fewer Is BetterGitTime To Complete Common Git CommandsXeonEPYCC240M4-E52650v4246810SE +/- 0.02, N = 3SE +/- 0.12, N = 4SE +/- 0.06, N = 3SE +/- 0.09, N = 6SE +/- 0.10, N = 36.237.527.936.247.601. git version 1.8.3.1

Schbench

Message Threads: 8 - Workers Per Message Thread: 4

DefaultNo MitigationOpenBenchmarking.orgusec, 99.9th Latency Percentile, Fewer Is BetterSchbenchMessage Threads: 8 - Workers Per Message Thread: 4C240M4-E52650v4XeonEPYC80160240320400SE +/- 1.78, N = 6SE +/- 15.02, N = 6SE +/- 2.00, N = 3SE +/- 1.20, N = 3SE +/- 3.38, N = 3761313791073801. (CC) gcc options: -O2 -lpthread

Schbench

Message Threads: 8 - Workers Per Message Thread: 6

DefaultNo MitigationOpenBenchmarking.orgusec, 99.9th Latency Percentile, Fewer Is BetterSchbenchMessage Threads: 8 - Workers Per Message Thread: 6XeonEPYCC240M4-E52650v410002000300040005000SE +/- 3.22, N = 6SE +/- 18.94, N = 6SE +/- 243.84, N = 6SE +/- 4.09, N = 6SE +/- 4.06, N = 311939445571223751. (CC) gcc options: -O2 -lpthread

Phoronix Test Suite v10.8.4