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&gru&sor.

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

stress-ng: Semaphoresstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: System V Message Passingcompilebench: Initial Createsockperf: Throughputmcperf: Getmcperf: Setredis: SETselenium: Jetstream 2 - Firefoxopenssl: RSA 4096-bit Performancepostmark: Disk Transaction Performancepgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writectx-clock: Context Switch Timeethr: TCP - Latency - 1ethr: TCP - Latency - 32glibc-bench: ffsglibc-bench: ffsllglibc-bench: pthread_onceosbench: Memory Allocationssqlite: Timed SQLite Insertionst-test1: 2bork: File Encryption Timebuild-linux-kernel: Time To Compilebuild-llvm: Time To Compiley-cruncher: Calculating 500M Pi Digitsdav1d: Summer Nature 4Kdav1d: Summer Nature 1080phackbench: 32 - Processgimp: resizegimp: rotategimp: auto-levelsgimp: unsharp-maskosbench: Create Filesosbench: Create Threadsosbench: Launch Programssockperf: Latency Ping Pongsockperf: Latency Under LoadE3-1275 v68700K7980XE9900K MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable498277238241706466456532853354649812873676289209270373.21122062501138234493105010.1410.161.831.831.8372.3840.176.526.6113174840.7148.0613.922019.0113.6315.3217.0913.6011.1248.873.0817.92565726948672009442722968956559662614232178867215852373.891221669712016246705889.169.171.711.711.7170.2940.016.126.3812974940.6947.9813.871638.8613.4414.9416.6712.9410.5945.542.9315.55453921158063268487727898159161762814552690215239036081.251980714217854724579209.419.271.631.631.6363.5374.585.506.0383.7147429.3132.429.62122.327.8912.1413.3715.2612.0510.1531.912.8118.16500683180394128716989124555869990216030593858244114781.141970765418886321735138.748.731.521.521.5261.4973.865.146.0182.1646629.2832.269.5892.677.7811.8412.9714.9011.439.8429.822.6017.1930782801217314248303769281766246909411213662623199173765.5246886578485119563562715.4515.341.731.731.7370.3338.739.276.3939.3620513.7423.8212.5054.7011.5916.6920.0425.7112.5615.1537.993.9133.2831703661665119837787806986168948933011775766036209087366.8246846944507427566337114.5714.461.631.631.6368.4538.728.416.3238.6519513.8623.7512.5843.8111.4216.5319.5424.6012.1014.7036.993.8030.574601890815238013311013607964672044116275098699268456087.4526348064244587121294938.378.421.431.431.4357.4242.264.785.3265.3937526.1626.627.7180.906.7611.3312.6214.8910.979.0123.051.279.1951077969712551177111561353659795716176496105187267831188.5626408620256611120741337.827.831.331.331.3356.3041.934.595.1764.4036326.1126.587.7360.906.6711.1312.2814.5110.288.1621.671.229.84OpenBenchmarking.org

Stress-NG

Test: Semaphores

E3-1275 v69900K8700K7980XEOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: SemaphoresMDS VulnerableMDS Mitigated1.2M2.4M3.6M4.8M6MSE +/- 27858.47, N = 3SE +/- 22369.03, N = 3SE +/- 69595.70, N = 4SE +/- 52741.90, N = 3SE +/- 10965.18, N = 3SE +/- 5157.96, N = 3SE +/- 27955.65, N = 3SE +/- 20387.33, N = 3565726949827725107796460189050068314539211317036630782801. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityMDS VulnerableMDS Mitigated4K8K12K16K20KSE +/- 300.65, N = 12SE +/- 121.52, N = 3SE +/- 32.48, N = 3SE +/- 61.55, N = 3SE +/- 5.59, N = 3SE +/- 51.09, N = 12SE +/- 95.69, N = 15SE +/- 48.24, N = 316651121739712815280395806486738241. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Context Switching

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context SwitchingMDS VulnerableMDS Mitigated4M8M12M16M20MSE +/- 40637.72, N = 3SE +/- 25426.96, N = 3SE +/- 92120.31, N = 3SE +/- 20144.15, N = 3SE +/- 54538.02, N = 5SE +/- 40675.49, N = 15SE +/- 19889.50, N = 3SE +/- 5690.93, N = 319837787142483035511771380133141287163268487200944217064661. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: System V Message Passing

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message PassingMDS VulnerableMDS Mitigated2M4M6M8M10MSE +/- 15229.54, N = 3SE +/- 11081.94, N = 3SE +/- 6466.94, N = 3SE +/- 747.66, N = 3SE +/- 3488.56, N = 3SE +/- 1582.27, N = 3SE +/- 97616.61, N = 3SE +/- 206175.33, N = 1211561353101360799891245727898180698617692817722968945653281. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Compile Bench

Test: Initial Create

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateMDS VulnerableMDS Mitigated150300450600750SE +/- 9.91, N = 3SE +/- 6.62, N = 3SE +/- 11.13, N = 3SE +/- 7.12, N = 3SE +/- 11.75, N = 3SE +/- 17.65, N = 3SE +/- 9.09, N = 3SE +/- 3.42, N = 3689662659646591558565533

Sockperf

Test: Throughput

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgMessages Per Second, More Is BetterSockperf 3.4Test: ThroughputMDS VulnerableMDS Mitigated200K400K600K800K1000KSE +/- 3490.14, N = 5SE +/- 8685.40, N = 6SE +/- 6710.15, N = 5SE +/- 7438.77, N = 5SE +/- 5413.08, N = 25SE +/- 6082.67, N = 5SE +/- 3710.34, N = 5SE +/- 4821.96, N = 57957167204416999026176285966265464984893304690941. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Memcached mcperf

Method: Get

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: GetMDS VulnerableMDS Mitigated40K80K120K160K200KSE +/- 411.32, N = 3SE +/- 1123.43, N = 3SE +/- 1443.03, N = 3SE +/- 845.05, N = 3SE +/- 1267.41, N = 3SE +/- 336.19, N = 3SE +/- 61.37, N = 3SE +/- 121.94, N = 31764961627501603051455261423211287361177571121361. (CC) gcc options: -O2 -lm -rdynamic

Memcached mcperf

Method: Set

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: SetMDS VulnerableMDS Mitigated20K40K60K80K100KSE +/- 840.37, N = 3SE +/- 719.62, N = 3SE +/- 511.87, N = 3SE +/- 288.97, N = 3SE +/- 557.15, N = 3SE +/- 403.15, N = 3SE +/- 443.60, N = 3SE +/- 810.34, N = 3105187986999385890215788677628966036626231. (CC) gcc options: -O2 -lm -rdynamic

Redis

Test: SET

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETMDS MitigatedMDS Vulnerable600K1200K1800K2400K3000KSE +/- 39843.96, N = 4SE +/- 54931.36, N = 15SE +/- 65120.56, N = 12SE +/- 56535.11, N = 15SE +/- 16368.00, N = 3SE +/- 23688.81, N = 6SE +/- 17068.89, N = 3SE +/- 18836.43, N = 9268456026783112441147239036021585232092703209087319917371. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Selenium

Benchmark: Jetstream 2 - Browser: Firefox

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgScore, More Is BetterSeleniumBenchmark: Jetstream 2 - Browser: FirefoxMDS VulnerableMDS Mitigated20406080100SE +/- 0.41, N = 3SE +/- 0.75, N = 3SE +/- 0.36, N = 3SE +/- 1.31, N = 3SE +/- 0.24, N = 3SE +/- 0.68, N = 3SE +/- 0.62, N = 3SE +/- 0.39, N = 388.5687.4581.2581.1473.8973.2166.8265.521. firefox 66.0.5

OpenSSL

RSA 4096-bit Performance

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceMDS MitigatedMDS Vulnerable10002000300040005000SE +/- 6.87, N = 3SE +/- 11.39, N = 3SE +/- 6.72, N = 3SE +/- 5.96, N = 3SE +/- 1.63, N = 3SE +/- 3.45, N = 3SE +/- 2.29, N = 3SE +/- 1.55, N = 3468846842640263419801970122112201. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

PostMark

Disk Transaction Performance

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceMDS VulnerableMDS Mitigated2K4K6K8K10KSE +/- 79.00, N = 3SE +/- 59.33, N = 3862080647654714269446578669762501. (CC) gcc options: -O3

PostgreSQL pgbench

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

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyMDS VulnerableMDS Mitigated110K220K330K440K550KSE +/- 1812.16, N = 3SE +/- 1883.54, N = 3SE +/- 977.04, N = 3SE +/- 282.16, N = 3SE +/- 533.34, N = 3SE +/- 242.69, N = 3SE +/- 209.97, N = 3SE +/- 254.97, N = 35074274851192566112445871888631785471201621138231. (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

9900K7980XEE3-1275 v68700KOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteMDS MitigatedMDS Vulnerable3K6K9K12K15KSE +/- 121.27, N = 3SE +/- 44.02, N = 3SE +/- 40.51, N = 3SE +/- 55.88, N = 3SE +/- 18.33, N = 3SE +/- 60.22, N = 5SE +/- 11.29, N = 3SE +/- 33.86, N = 1512129120745663563546704493245721731. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

ctx_clock

Context Switch Time

9900K7980XE8700KE3-1275 v6OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeMDS VulnerableMDS Mitigated2004006008001000SE +/- 0.67, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 2.00, N = 31334933716275139205881050

Ethr

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

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1MDS VulnerableMDS Mitigated48121620SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.10, N = 3SE +/- 0.11, N = 37.828.378.749.419.1610.1414.5715.45

Ethr

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

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32MDS VulnerableMDS Mitigated48121620SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.23, N = 37.838.428.739.279.1710.1614.4615.34

glibc bench

Benchmark: ffs

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: ffsMDS VulnerableMDS Mitigated0.41180.82361.23541.64722.059SE +/- 0.01, 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 = 31.331.431.521.631.631.731.711.83

glibc bench

Benchmark: ffsll

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: ffsllMDS VulnerableMDS Mitigated0.41180.82361.23541.64722.059SE +/- 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 = 31.331.431.521.631.631.731.711.83

glibc bench

Benchmark: pthread_once

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: pthread_onceMDS VulnerableMDS Mitigated0.41180.82361.23541.64722.059SE +/- 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 = 31.331.431.521.631.631.731.711.83

OSBench

Test: Memory Allocations

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgNs Per Event, Fewer Is BetterOSBenchTest: Memory AllocationsMDS VulnerableMDS Mitigated1632486480SE +/- 0.05, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.18, N = 3SE +/- 0.13, N = 3SE +/- 0.06, N = 3SE +/- 0.14, N = 356.3057.4261.4963.5368.4570.3370.2972.381. (CC) gcc options: -lm

SQLite

Timed SQLite Insertions

7980XEE3-1275 v69900K8700KOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsMDS VulnerableMDS Mitigated20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.13, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.54, N = 3SE +/- 0.25, N = 338.7238.7340.0140.1741.9342.2673.8674.581. (CC) gcc options: -O2 -ldl -lpthread

t-test1

Threads: 2

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 2MDS VulnerableMDS Mitigated3691215SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.13, N = 154.594.785.145.506.126.528.419.271. (CC) gcc options: -pthread

Bork File Encrypter

File Encryption Time

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterBork File Encrypter 1.4File Encryption TimeMDS VulnerableMDS Mitigated246810SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.15, N = 15SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.07, N = 35.175.326.016.036.326.396.386.61

Timed Linux Kernel Compilation

Time To Compile

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.18Time To CompileMDS VulnerableMDS Mitigated306090120150SE +/- 0.34, N = 12SE +/- 0.33, N = 13SE +/- 0.87, N = 3SE +/- 0.73, N = 3SE +/- 0.90, N = 3SE +/- 0.90, N = 3SE +/- 0.62, N = 3SE +/- 0.82, N = 338.6539.3664.4065.3982.1683.71129.00131.00

Timed LLVM Compilation

Time To Compile

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 6.0.1Time To CompileMDS VulnerableMDS Mitigated160320480640800195205363375466474748749

Y-Cruncher

Calculating 500M Pi Digits

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterY-Cruncher 0.7.7Calculating 500M Pi DigitsMDS MitigatedMDS Vulnerable918273645SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 313.7413.8626.1126.1629.2829.3140.6940.71

dav1d

Video Input: Summer Nature 4K

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 4KMDS VulnerableMDS Mitigated1122334455SE +/- 0.14, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 3SE +/- 0.03, N = 323.7523.8226.5826.6232.2632.4247.9848.061. (CC) gcc options: -pthread

dav1d

Video Input: Summer Nature 1080p

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 1080pMDS MitigatedMDS Vulnerable48121620SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 37.717.739.589.6212.5012.5813.8713.921. (CC) gcc options: -pthread

Hackbench

Count: 32 - Type: Process

7980XE9900K8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 32 - Type: ProcessMDS VulnerableMDS Mitigated4080120160200SE +/- 0.55, N = 3SE +/- 0.65, N = 3SE +/- 0.63, N = 3SE +/- 0.08, N = 3SE +/- 0.27, N = 3SE +/- 0.35, N = 3SE +/- 0.90, N = 3SE +/- 1.86, N = 343.8154.7060.9080.9092.67122.32163.00201.001. (CC) gcc options: -lpthread

GIMP

Test: resize

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: resizeMDS VulnerableMDS Mitigated3691215SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.09, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.12, N = 36.676.767.787.898.869.0111.4211.59

GIMP

Test: rotate

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: rotateMDS VulnerableMDS Mitigated48121620SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.10, N = 12SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.08, N = 3SE +/- 0.02, N = 311.1311.3311.8412.1413.4413.6316.5316.69

GIMP

Test: auto-levels

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: auto-levelsMDS VulnerableMDS Mitigated510152025SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.09, N = 3SE +/- 0.04, N = 3SE +/- 0.15, N = 312.2812.6212.9713.3714.9415.3219.5420.04

GIMP

Test: unsharp-mask

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: unsharp-maskMDS VulnerableMDS Mitigated612182430SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.32, N = 514.5114.8914.9015.2616.6717.0924.6025.71

OSBench

Test: Create Files

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create FilesMDS VulnerableMDS Mitigated3691215SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 310.2810.9711.4312.0512.1012.5612.9413.601. (CC) gcc options: -lm

OSBench

Test: Create Threads

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ThreadsMDS VulnerableMDS Mitigated48121620SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.12, N = 15SE +/- 0.17, N = 3SE +/- 0.11, N = 15SE +/- 0.12, N = 7SE +/- 0.25, N = 3SE +/- 0.09, N = 38.169.019.8410.1510.5911.1214.7015.151. (CC) gcc options:

OSBench

Test: Launch Programs

9900K8700K7980XEE3-1275 v6OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Launch ProgramsMDS VulnerableMDS Mitigated1122334455SE +/- 0.04, N = 3SE +/- 0.16, N = 3SE +/- 0.12, N = 3SE +/- 0.03, N = 3SE +/- 0.17, N = 3SE +/- 0.51, N = 4SE +/- 0.15, N = 3SE +/- 0.19, N = 321.6723.0529.8231.9136.9937.9945.5448.871. (CC) gcc options: -lm

Sockperf

Test: Latency Ping Pong

9900K8700KE3-1275 v67980XEOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Ping PongMDS VulnerableMDS Mitigated0.87981.75962.63943.51924.399SE +/- 0.24, N = 26SE +/- 0.25, N = 26SE +/- 0.03, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.05, N = 5SE +/- 0.03, N = 251.221.272.602.812.933.083.803.911. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Sockperf

Test: Latency Under Load

9900KE3-1275 v68700K7980XEOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Under LoadMDS MitigatedMDS Vulnerable816243240SE +/- 1.84, N = 26SE +/- 2.01, N = 26SE +/- 1.32, N = 20SE +/- 1.54, N = 20SE +/- 1.18, N = 25SE +/- 0.88, N = 20SE +/- 2.32, N = 25SE +/- 1.56, N = 259.199.8415.5517.9217.1918.1630.5733.281. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Phoronix Test Suite v10.8.5