MDS Mitigation Impact Four Systems

MDS / Zombie Load mitigation impact tests by Michael Larabel on a future article.

HTML result view exported from: https://openbenchmarking.org/result/1905176-HV-MERGEDMDS66&grt.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionOpenCLVulkanE3-1275 v68700K7980XE9900K MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS VulnerableIntel Xeon E3-1275 v6 @ 4.20GHz (4 Cores / 8 Threads)ASUS P10S-M WS (4401 BIOS)Intel Xeon E3-1200 v6/7th16384MBSamsung SSD 970 EVO Plus 500GBIntel HD P630 3GB (1150MHz)Realtek ALC1150LG Ultra HD2 x Intel I210Ubuntu 19.045.0.0-15-generic (x86_64)GNOME Shell 3.32.0X Server 1.20.4modesetting 1.20.44.5 Mesa 19.0.2GCC 8.3.0ext43840x2160Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads)ASUS TUF Z370-PLUS GAMING (1802 BIOS)Intel 8th Gen Core128GB THNSN5128GPU7 TOSHIBAIntel UHD 630 3GB (1200MHz)Realtek ALC887-VDDELL P2415QIntel I219-VIntel Core i9-7980XE @ 4.20GHz (18 Cores / 36 Threads)ASUS PRIME X299-A (1704 BIOS)Intel Sky Lake-E DMI3 RegistersSamsung SSD 970 EVO 500GBNVIDIA NV120 12GBRealtek ALC1220ASUS PB2784.3 Mesa 19.0.22560x1440Intel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads)ASUS PRIME Z390-A (0802 BIOS)Intel Cannon Lake PCHSamsung SSD 970 EVO 250GB + 2000GB SABRENTNVIDIA GeForce GTX 1080 Ti 11GB (1480/5508MHz)Acer B286HKNVIDIA 430.094.6.0OpenCL 2.0 beignet 1.3 + OpenCL 1.2 CUDA 10.1.1201.1.993840x2160OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib --with-tune=generic --without-cuda-driver -v Disk Details- NONE / errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersaveJava Details- OpenJDK Runtime Environment (build 11.0.3+7-Ubuntu-1ubuntu219.04.1)Python Details- Python 2.7.16 + Python 3.7.3Security Details- E3-1275 v6: MDS Mitigated: KPTI + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling - E3-1275 v6: MDS Vulnerable: KPTI + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling - 8700K: MDS Mitigated: KPTI + __user pointer sanitization + Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + SSB disabled via prctl and seccomp + PTE Inversion- 8700K: MDS Vulnerable: KPTI + __user pointer sanitization + Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + SSB disabled via prctl and seccomp + PTE Inversion- 7980XE: MDS Mitigated: KPTI + __user pointer sanitization + Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + SSB disabled via prctl and seccomp + PTE Inversion; VMX: conditional cache flushes SMT vulnerable- 7980XE: MDS Vulnerable: KPTI + __user pointer sanitization + Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + SSB disabled via prctl and seccomp + PTE Inversion; VMX: conditional cache flushes SMT vulnerable- 9900K: MDS Mitigated: l1tf: Not affected + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling - 9900K: MDS Vulnerable: l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling

bork: File Encryption Timecompilebench: Initial Createctx-clock: Context Switch Timedav1d: Summer Nature 4Kdav1d: Summer Nature 1080pethr: TCP - Latency - 1ethr: TCP - Latency - 32gimp: resizegimp: rotategimp: auto-levelsgimp: unsharp-maskglibc-bench: ffsglibc-bench: ffsllglibc-bench: pthread_oncehackbench: 32 - Processmcperf: Getmcperf: Setopenssl: RSA 4096-bit Performanceosbench: Create Filesosbench: Create Threadsosbench: Launch Programsosbench: Memory Allocationspgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writepostmark: Disk Transaction Performanceredis: SETselenium: Jetstream 2 - Firefoxsockperf: Throughputsockperf: Latency Ping Pongsockperf: Latency Under Loadsqlite: Timed SQLite Insertionsstress-ng: Semaphoresstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: System V Message Passingt-test1: 2build-linux-kernel: Time To Compilebuild-llvm: Time To Compiley-cruncher: Calculating 500M Pi DigitsE3-1275 v68700K7980XE9900K MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable6.61533105048.0613.9210.1410.169.0113.6315.3217.091.831.831.8320112873676289122013.6011.1248.8772.3811382344936250209270373.215464983.0817.9240.1749827723824170646645653286.5213174840.716.3856558847.9813.879.169.178.8613.4414.9416.671.711.711.7116314232178867122112.9410.5945.5470.2912016246706697215852373.895966262.9315.5540.0156572694867200944272296896.1212974940.696.0359192032.429.629.419.277.8912.1413.3715.261.631.631.63122.3214552690215198012.0510.1531.9163.5317854724577142239036081.256176282.8118.1674.5845392115806326848772789815.5083.7147429.316.0155851332.269.588.748.737.7811.8412.9714.901.521.521.5292.6716030593858197011.439.8429.8261.4918886321737654244114781.146999022.6017.1973.8650068318039412871698912455.1482.1646629.286.3966262723.8212.5015.4515.3411.5916.6920.0425.711.731.731.7354.7011213662623468812.5615.1537.9970.3348511956356578199173765.524690943.9133.2838.733078280121731424830376928179.2739.3620513.746.3268937123.7512.5814.5714.4611.4216.5319.5424.601.631.631.6343.8111775766036468412.1014.7036.9968.4550742756636944209087366.824893303.8030.5738.723170366166511983778780698618.4138.6519513.865.3264649326.627.718.378.426.7611.3312.6214.891.431.431.4380.9016275098699263410.979.0123.0557.42244587121298064268456087.457204411.279.1942.26460189081523801331101360794.7865.3937526.165.1765913326.587.737.827.836.6711.1312.2814.511.331.331.3360.90176496105187264010.288.1621.6756.30256611120748620267831188.567957161.229.8441.93510779697125511771115613534.5964.4036326.11OpenBenchmarking.org

Bork File Encrypter

File Encryption Time

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterBork File Encrypter 1.4File Encryption TimeMDS MitigatedMDS Vulnerable246810SE +/- 0.07, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.15, N = 15SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 36.616.386.036.016.396.325.325.17

Compile Bench

Test: Initial Create

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateMDS MitigatedMDS Vulnerable150300450600750SE +/- 3.42, N = 3SE +/- 9.09, N = 3SE +/- 11.75, N = 3SE +/- 17.65, N = 3SE +/- 6.62, N = 3SE +/- 9.91, N = 3SE +/- 7.12, N = 3SE +/- 11.13, N = 3533565591558662689646659

ctx_clock

Context Switch Time

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeMDS MitigatedMDS Vulnerable2004006008001000SE +/- 2.00, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 31050588920513627371493133

dav1d

Video Input: Summer Nature 4K

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 4KMDS MitigatedMDS Vulnerable1122334455SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.09, N = 3SE +/- 0.05, N = 3SE +/- 0.09, N = 3SE +/- 0.14, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 348.0647.9832.4232.2623.8223.7526.6226.581. (CC) gcc options: -pthread

dav1d

Video Input: Summer Nature 1080p

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 1080pMDS MitigatedMDS Vulnerable48121620SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 313.9213.879.629.5812.5012.587.717.731. (CC) gcc options: -pthread

Ethr

Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1MDS MitigatedMDS Vulnerable48121620SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.11, N = 3SE +/- 0.10, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 310.149.169.418.7415.4514.578.377.82

Ethr

Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32MDS MitigatedMDS Vulnerable48121620SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.23, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 310.169.179.278.7315.3414.468.427.83

GIMP

Test: resize

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: resizeMDS MitigatedMDS Vulnerable3691215SE +/- 0.10, N = 3SE +/- 0.04, N = 3SE +/- 0.08, N = 3SE +/- 0.09, N = 3SE +/- 0.12, N = 3SE +/- 0.12, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 39.018.867.897.7811.5911.426.766.67

GIMP

Test: rotate

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: rotateMDS MitigatedMDS Vulnerable48121620SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.10, N = 12SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.08, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 313.6313.4412.1411.8416.6916.5311.3311.13

GIMP

Test: auto-levels

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: auto-levelsMDS MitigatedMDS Vulnerable510152025SE +/- 0.09, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.15, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 315.3214.9413.3712.9720.0419.5412.6212.28

GIMP

Test: unsharp-mask

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: unsharp-maskMDS MitigatedMDS Vulnerable612182430SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.32, N = 5SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 317.0916.6715.2614.9025.7124.6014.8914.51

glibc bench

Benchmark: ffs

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: ffsMDS MitigatedMDS Vulnerable0.41180.82361.23541.64722.059SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 31.831.711.631.521.731.631.431.33

glibc bench

Benchmark: ffsll

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: ffsllMDS MitigatedMDS Vulnerable0.41180.82361.23541.64722.059SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.831.711.631.521.731.631.431.33

glibc bench

Benchmark: pthread_once

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: pthread_onceMDS MitigatedMDS Vulnerable0.41180.82361.23541.64722.059SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.831.711.631.521.731.631.431.33

Hackbench

Count: 32 - Type: Process

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 32 - Type: ProcessMDS MitigatedMDS Vulnerable4080120160200SE +/- 1.86, N = 3SE +/- 0.90, N = 3SE +/- 0.35, N = 3SE +/- 0.27, N = 3SE +/- 0.65, N = 3SE +/- 0.55, N = 3SE +/- 0.08, N = 3SE +/- 0.63, N = 3201.00163.00122.3292.6754.7043.8180.9060.901. (CC) gcc options: -lpthread

Memcached mcperf

Method: Get

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: GetMDS MitigatedMDS Vulnerable40K80K120K160K200KSE +/- 336.19, N = 3SE +/- 1267.41, N = 3SE +/- 845.05, N = 3SE +/- 1443.03, N = 3SE +/- 121.94, N = 3SE +/- 61.37, N = 3SE +/- 1123.43, N = 3SE +/- 411.32, N = 31287361423211455261603051121361177571627501764961. (CC) gcc options: -O2 -lm -rdynamic

Memcached mcperf

Method: Set

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: SetMDS MitigatedMDS Vulnerable20K40K60K80K100KSE +/- 403.15, N = 3SE +/- 557.15, N = 3SE +/- 288.97, N = 3SE +/- 511.87, N = 3SE +/- 810.34, N = 3SE +/- 443.60, N = 3SE +/- 719.62, N = 3SE +/- 840.37, N = 3762897886790215938586262366036986991051871. (CC) gcc options: -O2 -lm -rdynamic

OpenSSL

RSA 4096-bit Performance

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceMDS MitigatedMDS Vulnerable10002000300040005000SE +/- 1.55, N = 3SE +/- 2.29, N = 3SE +/- 1.63, N = 3SE +/- 3.45, N = 3SE +/- 6.87, N = 3SE +/- 11.39, N = 3SE +/- 5.96, N = 3SE +/- 6.72, N = 3122012211980197046884684263426401. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

OSBench

Test: Create Files

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create FilesMDS MitigatedMDS Vulnerable3691215SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 313.6012.9412.0511.4312.5612.1010.9710.281. (CC) gcc options:

OSBench

Test: Create Threads

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ThreadsMDS MitigatedMDS Vulnerable48121620SE +/- 0.12, N = 7SE +/- 0.11, N = 15SE +/- 0.17, N = 3SE +/- 0.12, N = 15SE +/- 0.09, N = 3SE +/- 0.25, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 311.1210.5910.159.8415.1514.709.018.161. (CC) gcc options:

OSBench

Test: Launch Programs

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Launch ProgramsMDS MitigatedMDS Vulnerable1122334455SE +/- 0.19, N = 3SE +/- 0.15, N = 3SE +/- 0.03, N = 3SE +/- 0.12, N = 3SE +/- 0.51, N = 4SE +/- 0.17, N = 3SE +/- 0.16, N = 3SE +/- 0.04, N = 348.8745.5431.9129.8237.9936.9923.0521.671. (CC) gcc options:

OSBench

Test: Memory Allocations

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgNs Per Event, Fewer Is BetterOSBenchTest: Memory AllocationsMDS MitigatedMDS Vulnerable1632486480SE +/- 0.14, N = 3SE +/- 0.06, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.13, N = 3SE +/- 0.18, N = 3SE +/- 0.07, N = 3SE +/- 0.05, N = 372.3870.2963.5361.4970.3368.4557.4256.301. (CC) gcc options:

PostgreSQL pgbench

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

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyMDS MitigatedMDS Vulnerable110K220K330K440K550KSE +/- 254.97, N = 3SE +/- 209.97, N = 3SE +/- 242.69, N = 3SE +/- 533.34, N = 3SE +/- 1883.54, N = 3SE +/- 1812.16, N = 3SE +/- 282.16, N = 3SE +/- 977.04, N = 31138231201621785471888634851195074272445872566111. (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

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteMDS MitigatedMDS Vulnerable3K6K9K12K15KSE +/- 60.22, N = 5SE +/- 18.33, N = 3SE +/- 11.29, N = 3SE +/- 33.86, N = 15SE +/- 55.88, N = 3SE +/- 40.51, N = 3SE +/- 121.27, N = 3SE +/- 44.02, N = 344934670245721735635566312129120741. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostMark

Disk Transaction Performance

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceMDS MitigatedMDS Vulnerable2K4K6K8K10KSE +/- 59.33, N = 3SE +/- 79.00, N = 3625066977142765465786944806486201. (CC) gcc options: -O3

Redis

Test: SET

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETMDS MitigatedMDS Vulnerable600K1200K1800K2400K3000KSE +/- 23688.81, N = 6SE +/- 16368.00, N = 3SE +/- 56535.11, N = 15SE +/- 65120.56, N = 12SE +/- 18836.43, N = 9SE +/- 17068.89, N = 3SE +/- 39843.96, N = 4SE +/- 54931.36, N = 15209270321585232390360244114719917372090873268456026783111. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Selenium

Benchmark: Jetstream 2 - Browser: Firefox

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgScore, More Is BetterSeleniumBenchmark: Jetstream 2 - Browser: FirefoxMDS MitigatedMDS Vulnerable20406080100SE +/- 0.68, N = 3SE +/- 0.24, N = 3SE +/- 0.36, N = 3SE +/- 1.31, N = 3SE +/- 0.39, N = 3SE +/- 0.62, N = 3SE +/- 0.75, N = 3SE +/- 0.41, N = 373.2173.8981.2581.1465.5266.8287.4588.561. firefox 66.0.5

Sockperf

Test: Throughput

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgMessages Per Second, More Is BetterSockperf 3.4Test: ThroughputMDS MitigatedMDS Vulnerable200K400K600K800K1000KSE +/- 6082.67, N = 5SE +/- 5413.08, N = 25SE +/- 7438.77, N = 5SE +/- 6710.15, N = 5SE +/- 4821.96, N = 5SE +/- 3710.34, N = 5SE +/- 8685.40, N = 6SE +/- 3490.14, N = 55464985966266176286999024690944893307204417957161. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Sockperf

Test: Latency Ping Pong

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Ping PongMDS MitigatedMDS Vulnerable0.87981.75962.63943.51924.399SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.03, N = 5SE +/- 0.03, N = 25SE +/- 0.05, N = 5SE +/- 0.25, N = 26SE +/- 0.24, N = 263.082.932.812.603.913.801.271.221. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Sockperf

Test: Latency Under Load

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Under LoadMDS MitigatedMDS Vulnerable816243240SE +/- 1.54, N = 20SE +/- 1.32, N = 20SE +/- 0.88, N = 20SE +/- 1.18, N = 25SE +/- 1.56, N = 25SE +/- 2.32, N = 25SE +/- 1.84, N = 26SE +/- 2.01, N = 2617.9215.5518.1617.1933.2830.579.199.841. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

SQLite

Timed SQLite Insertions

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsMDS MitigatedMDS Vulnerable20406080100SE +/- 0.02, N = 3SE +/- 0.13, N = 3SE +/- 0.25, N = 3SE +/- 0.54, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 340.1740.0174.5873.8638.7338.7242.2641.931. (CC) gcc options: -O2 -lz -ldl -lpthread

Stress-NG

Test: Semaphores

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: SemaphoresMDS MitigatedMDS Vulnerable1.2M2.4M3.6M4.8M6MSE +/- 22369.03, N = 3SE +/- 27858.47, N = 3SE +/- 5157.96, N = 3SE +/- 10965.18, N = 3SE +/- 20387.33, N = 3SE +/- 27955.65, N = 3SE +/- 52741.90, N = 3SE +/- 69595.70, N = 4498277256572694539211500683130782803170366460189051077961. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityMDS MitigatedMDS Vulnerable4K8K12K16K20KSE +/- 48.24, N = 3SE +/- 95.69, N = 15SE +/- 51.09, N = 12SE +/- 5.59, N = 3SE +/- 121.52, N = 3SE +/- 300.65, N = 12SE +/- 61.55, N = 3SE +/- 32.48, N = 338244867580680391217316651815297121. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Context Switching

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context SwitchingMDS MitigatedMDS Vulnerable4M8M12M16M20MSE +/- 5690.93, N = 3SE +/- 19889.50, N = 3SE +/- 40675.49, N = 15SE +/- 54538.02, N = 5SE +/- 25426.96, N = 3SE +/- 40637.72, N = 3SE +/- 20144.15, N = 3SE +/- 92120.31, N = 317064662009442326848741287161424830319837787380133155117711. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: System V Message Passing

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message PassingMDS MitigatedMDS Vulnerable2M4M6M8M10MSE +/- 206175.33, N = 12SE +/- 97616.61, N = 3SE +/- 747.66, N = 3SE +/- 6466.94, N = 3SE +/- 1582.27, N = 3SE +/- 3488.56, N = 3SE +/- 11081.94, N = 3SE +/- 15229.54, N = 345653287229689727898198912457692817806986110136079115613531. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

t-test1

Threads: 2

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 2MDS MitigatedMDS Vulnerable3691215SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.13, N = 15SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 36.526.125.505.149.278.414.784.591. (CC) gcc options: -pthread

Timed Linux Kernel Compilation

Time To Compile

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.18Time To CompileMDS MitigatedMDS Vulnerable306090120150SE +/- 0.82, N = 3SE +/- 0.62, N = 3SE +/- 0.90, N = 3SE +/- 0.90, N = 3SE +/- 0.33, N = 13SE +/- 0.34, N = 12SE +/- 0.73, N = 3SE +/- 0.87, N = 3131.00129.0083.7182.1639.3638.6565.3964.40

Timed LLVM Compilation

Time To Compile

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 6.0.1Time To CompileMDS MitigatedMDS Vulnerable160320480640800748749474466205195375363

Y-Cruncher

Calculating 500M Pi Digits

E3-1275 v68700K7980XE9900KOpenBenchmarking.orgSeconds, Fewer Is BetterY-Cruncher 0.7.7Calculating 500M Pi DigitsMDS MitigatedMDS Vulnerable918273645SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 340.7140.6929.3129.2813.7413.8626.1626.11

Phoronix Test Suite v10.8.5