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&grs&rdt.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionOpenCLVulkan7980XE8700KE3-1275 v69900K MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS VulnerableIntel Core i9-7980XE @ 4.20GHz (18 Cores / 36 Threads)ASUS PRIME X299-A (1704 BIOS)Intel Sky Lake-E DMI3 Registers16384MBSamsung SSD 970 EVO 500GBNVIDIA NV120 12GBRealtek ALC1220ASUS PB278Intel I219-VUbuntu 19.045.0.0-15-generic (x86_64)GNOME Shell 3.32.0X Server 1.20.4modesetting 1.20.44.3 Mesa 19.0.2GCC 8.3.0ext42560x1440Intel 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 P2415Q4.5 Mesa 19.0.23840x2160Intel Xeon E3-1275 v6 @ 4.20GHz (4 Cores / 8 Threads)ASUS P10S-M WS (4401 BIOS)Intel Xeon E3-1200 v6/7thSamsung SSD 970 EVO Plus 500GBIntel HD P630 3GB (1150MHz)Realtek ALC1150LG Ultra HD2 x Intel I210Intel 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)Realtek ALC1220Acer B286HKIntel I219-VNVIDIA 430.094.6.0OpenCL 2.0 beignet 1.3 + OpenCL 1.2 CUDA 10.1.1201.1.99OpenBenchmarking.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- 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- 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- 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 - 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

ctx-clock: Context Switch Timepgbench: Buffer Test - Normal Load - Read Writehackbench: 32 - Processpgbench: Buffer Test - Normal Load - Read Onlystress-ng: Socket Activityopenssl: RSA 4096-bit Performancebuild-llvm: Time To Compilebuild-linux-kernel: Time To Compilesockperf: Latency Ping Pongy-cruncher: Calculating 500M Pi Digitsstress-ng: System V Message Passingosbench: Launch Programsdav1d: Summer Nature 4Kt-test1: 2stress-ng: Context Switchingethr: TCP - Latency - 1ethr: TCP - Latency - 32sqlite: Timed SQLite Insertionsosbench: Create Threadsstress-ng: Semaphoresdav1d: Summer Nature 1080pgimp: unsharp-maskgimp: resizesockperf: Throughputmcperf: Setgimp: auto-levelsmcperf: Getgimp: rotatepostmark: Disk Transaction Performanceglibc-bench: pthread_onceglibc-bench: ffsllglibc-bench: ffsselenium: Jetstream 2 - Firefoxosbench: Create Filescompilebench: Initial Createosbench: Memory Allocationsbork: File Encryption Timeredis: SETsockperf: Latency Under Load7980XE8700KE3-1275 v69900K MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable627563554.7048511912173468820539.363.9113.74769281737.9923.829.271424830315.4515.3438.7315.15307828012.5025.7111.594690946262320.0411213616.6965781.731.731.7365.5212.5666270.336.39199173733.28371566343.8150742716651468419538.653.8013.86806986136.9923.758.411983778714.5714.4638.7214.70317036612.5824.6011.424893306603619.5411775716.5369441.631.631.6366.8212.1068968.456.32209087330.579202457122.321785475806198047483.712.8129.31727898131.9132.425.5032684879.419.2774.5810.1545392119.6215.267.896176289021513.3714552612.1471421.631.631.6381.2512.0559163.536.03239036018.16513217392.671888638039197046682.162.6029.28989124529.8232.265.1441287168.748.7373.869.8450068319.5814.907.786999029385812.9716030511.8476541.521.521.5281.1411.4355861.496.01244114717.1910504493201113823382412207481313.0840.71456532848.8748.066.52170646610.1410.1640.1711.12498277213.9217.099.015464987628915.3212873613.6362501.831.831.8373.2113.6053372.386.61209270317.925884670163120162486712217491292.9340.69722968945.5447.986.1220094429.169.1740.0110.59565726913.8716.678.865966267886714.9414232113.4466971.711.711.7173.8912.9456570.296.38215852315.554931212980.902445878152263437565.391.2726.161013607923.0526.624.7838013318.378.4242.269.0146018907.7114.896.767204419869912.6216275011.3380641.431.431.4387.4510.9764657.425.3226845609.191331207460.902566119712264036364.401.2226.111156135321.6726.584.5955117717.827.8341.938.1651077967.7314.516.6779571610518712.2817649611.1386201.331.331.3388.5610.2865956.305.1726783119.84OpenBenchmarking.org

ctx_clock

Context Switch Time

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeMDS MitigatedMDS Vulnerable2004006008001000SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 2.00, N = 3SE +/- 0.67, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 36273719205131050588493133

PostgreSQL pgbench

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

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteMDS MitigatedMDS Vulnerable3K6K9K12K15KSE +/- 55.88, N = 3SE +/- 40.51, N = 3SE +/- 11.29, N = 3SE +/- 33.86, N = 15SE +/- 60.22, N = 5SE +/- 18.33, N = 3SE +/- 121.27, N = 3SE +/- 44.02, N = 356355663245721734493467012129120741. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Hackbench

Count: 32 - Type: Process

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 32 - Type: ProcessMDS MitigatedMDS Vulnerable4080120160200SE +/- 0.65, N = 3SE +/- 0.55, N = 3SE +/- 0.35, N = 3SE +/- 0.27, N = 3SE +/- 1.86, N = 3SE +/- 0.90, N = 3SE +/- 0.08, N = 3SE +/- 0.63, N = 354.7043.81122.3292.67201.00163.0080.9060.901. (CC) gcc options: -lpthread

PostgreSQL pgbench

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

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyMDS MitigatedMDS Vulnerable110K220K330K440K550KSE +/- 1883.54, N = 3SE +/- 1812.16, N = 3SE +/- 242.69, N = 3SE +/- 533.34, N = 3SE +/- 254.97, N = 3SE +/- 209.97, N = 3SE +/- 282.16, N = 3SE +/- 977.04, N = 34851195074271785471888631138231201622445872566111. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Stress-NG

Test: Socket Activity

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityMDS MitigatedMDS Vulnerable4K8K12K16K20KSE +/- 121.52, N = 3SE +/- 300.65, N = 12SE +/- 51.09, N = 12SE +/- 5.59, N = 3SE +/- 48.24, N = 3SE +/- 95.69, N = 15SE +/- 61.55, N = 3SE +/- 32.48, N = 312173166515806803938244867815297121. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

OpenSSL

RSA 4096-bit Performance

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceMDS MitigatedMDS Vulnerable10002000300040005000SE +/- 6.87, N = 3SE +/- 11.39, N = 3SE +/- 1.63, N = 3SE +/- 3.45, N = 3SE +/- 1.55, N = 3SE +/- 2.29, N = 3SE +/- 5.96, N = 3SE +/- 6.72, N = 3468846841980197012201221263426401. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

Timed LLVM Compilation

Time To Compile

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 6.0.1Time To CompileMDS MitigatedMDS Vulnerable160320480640800205195474466748749375363

Timed Linux Kernel Compilation

Time To Compile

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.18Time To CompileMDS MitigatedMDS Vulnerable306090120150SE +/- 0.33, N = 13SE +/- 0.34, N = 12SE +/- 0.90, N = 3SE +/- 0.90, N = 3SE +/- 0.82, N = 3SE +/- 0.62, N = 3SE +/- 0.73, N = 3SE +/- 0.87, N = 339.3638.6583.7182.16131.00129.0065.3964.40

Sockperf

Test: Latency Ping Pong

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Ping PongMDS MitigatedMDS Vulnerable0.87981.75962.63943.51924.399SE +/- 0.03, N = 25SE +/- 0.05, N = 5SE +/- 0.01, N = 5SE +/- 0.03, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.25, N = 26SE +/- 0.24, N = 263.913.802.812.603.082.931.271.221. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Y-Cruncher

Calculating 500M Pi Digits

7980XE8700KE3-1275 v69900KOpenBenchmarking.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 = 313.7413.8629.3129.2840.7140.6926.1626.11

Stress-NG

Test: System V Message Passing

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message PassingMDS MitigatedMDS Vulnerable2M4M6M8M10MSE +/- 1582.27, N = 3SE +/- 3488.56, N = 3SE +/- 747.66, N = 3SE +/- 6466.94, N = 3SE +/- 206175.33, N = 12SE +/- 97616.61, N = 3SE +/- 11081.94, N = 3SE +/- 15229.54, N = 376928178069861727898198912454565328722968910136079115613531. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

OSBench

Test: Launch Programs

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Launch ProgramsMDS MitigatedMDS Vulnerable1122334455SE +/- 0.51, N = 4SE +/- 0.17, N = 3SE +/- 0.03, N = 3SE +/- 0.12, N = 3SE +/- 0.19, N = 3SE +/- 0.15, N = 3SE +/- 0.16, N = 3SE +/- 0.04, N = 337.9936.9931.9129.8248.8745.5423.0521.671. (CC) gcc options:

dav1d

Video Input: Summer Nature 4K

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 4KMDS MitigatedMDS Vulnerable1122334455SE +/- 0.09, N = 3SE +/- 0.14, N = 3SE +/- 0.09, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 323.8223.7532.4232.2648.0647.9826.6226.581. (CC) gcc options: -pthread

t-test1

Threads: 2

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 2MDS MitigatedMDS Vulnerable3691215SE +/- 0.13, N = 15SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 39.278.415.505.146.526.124.784.591. (CC) gcc options: -pthread

Stress-NG

Test: Context Switching

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context SwitchingMDS MitigatedMDS Vulnerable4M8M12M16M20MSE +/- 25426.96, N = 3SE +/- 40637.72, N = 3SE +/- 40675.49, N = 15SE +/- 54538.02, N = 5SE +/- 5690.93, N = 3SE +/- 19889.50, N = 3SE +/- 20144.15, N = 3SE +/- 92120.31, N = 314248303198377873268487412871617064662009442380133155117711. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Ethr

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

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1MDS MitigatedMDS Vulnerable48121620SE +/- 0.11, N = 3SE +/- 0.10, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 315.4514.579.418.7410.149.168.377.82

Ethr

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

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgMicroseconds, Fewer Is BetterEthr 2019-01-02Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32MDS MitigatedMDS Vulnerable48121620SE +/- 0.23, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 315.3414.469.278.7310.169.178.427.83

SQLite

Timed SQLite Insertions

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsMDS MitigatedMDS Vulnerable20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.25, N = 3SE +/- 0.54, N = 3SE +/- 0.02, N = 3SE +/- 0.13, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 338.7338.7274.5873.8640.1740.0142.2641.931. (CC) gcc options: -O2 -lz -ldl -lpthread

OSBench

Test: Create Threads

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ThreadsMDS MitigatedMDS Vulnerable48121620SE +/- 0.09, N = 3SE +/- 0.25, N = 3SE +/- 0.17, N = 3SE +/- 0.12, N = 15SE +/- 0.12, N = 7SE +/- 0.11, N = 15SE +/- 0.07, N = 3SE +/- 0.03, N = 315.1514.7010.159.8411.1210.599.018.161. (CC) gcc options:

Stress-NG

Test: Semaphores

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: SemaphoresMDS MitigatedMDS Vulnerable1.2M2.4M3.6M4.8M6MSE +/- 20387.33, N = 3SE +/- 27955.65, N = 3SE +/- 5157.96, N = 3SE +/- 10965.18, N = 3SE +/- 22369.03, N = 3SE +/- 27858.47, N = 3SE +/- 52741.90, N = 3SE +/- 69595.70, N = 4307828031703664539211500683149827725657269460189051077961. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

dav1d

Video Input: Summer Nature 1080p

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is Betterdav1d 0.3Video Input: Summer Nature 1080pMDS MitigatedMDS Vulnerable48121620SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 312.5012.589.629.5813.9213.877.717.731. (CC) gcc options: -pthread

GIMP

Test: unsharp-mask

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: unsharp-maskMDS MitigatedMDS Vulnerable612182430SE +/- 0.32, N = 5SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 325.7124.6015.2614.9017.0916.6714.8914.51

GIMP

Test: resize

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: resizeMDS MitigatedMDS Vulnerable3691215SE +/- 0.12, N = 3SE +/- 0.12, N = 3SE +/- 0.08, N = 3SE +/- 0.09, N = 3SE +/- 0.10, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 311.5911.427.897.789.018.866.766.67

Sockperf

Test: Throughput

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgMessages Per Second, More Is BetterSockperf 3.4Test: ThroughputMDS MitigatedMDS Vulnerable200K400K600K800K1000KSE +/- 4821.96, N = 5SE +/- 3710.34, N = 5SE +/- 7438.77, N = 5SE +/- 6710.15, N = 5SE +/- 6082.67, N = 5SE +/- 5413.08, N = 25SE +/- 8685.40, N = 6SE +/- 3490.14, N = 54690944893306176286999025464985966267204417957161. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Memcached mcperf

Method: Set

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: SetMDS MitigatedMDS Vulnerable20K40K60K80K100KSE +/- 810.34, N = 3SE +/- 443.60, N = 3SE +/- 288.97, N = 3SE +/- 511.87, N = 3SE +/- 403.15, N = 3SE +/- 557.15, N = 3SE +/- 719.62, N = 3SE +/- 840.37, N = 3626236603690215938587628978867986991051871. (CC) gcc options: -O2 -lm -rdynamic

GIMP

Test: auto-levels

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: auto-levelsMDS MitigatedMDS Vulnerable510152025SE +/- 0.15, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.09, N = 3SE +/- 0.02, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 320.0419.5413.3712.9715.3214.9412.6212.28

Memcached mcperf

Method: Get

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: GetMDS MitigatedMDS Vulnerable40K80K120K160K200KSE +/- 121.94, N = 3SE +/- 61.37, N = 3SE +/- 845.05, N = 3SE +/- 1443.03, N = 3SE +/- 336.19, N = 3SE +/- 1267.41, N = 3SE +/- 1123.43, N = 3SE +/- 411.32, N = 31121361177571455261603051287361423211627501764961. (CC) gcc options: -O2 -lm -rdynamic

GIMP

Test: rotate

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.10.8Test: rotateMDS MitigatedMDS Vulnerable48121620SE +/- 0.02, N = 3SE +/- 0.08, N = 3SE +/- 0.10, N = 12SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 316.6916.5312.1411.8413.6313.4411.3311.13

PostMark

Disk Transaction Performance

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceMDS MitigatedMDS Vulnerable2K4K6K8K10KSE +/- 79.00, N = 3SE +/- 59.33, N = 3657869447142765462506697806486201. (CC) gcc options: -O3

glibc bench

Benchmark: pthread_once

7980XE8700KE3-1275 v69900KOpenBenchmarking.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 = 31.731.631.631.521.831.711.431.33

glibc bench

Benchmark: ffsll

7980XE8700KE3-1275 v69900KOpenBenchmarking.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 = 31.731.631.631.521.831.711.431.33

glibc bench

Benchmark: ffs

7980XE8700KE3-1275 v69900KOpenBenchmarking.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 = 31.731.631.631.521.831.711.431.33

Selenium

Benchmark: Jetstream 2 - Browser: Firefox

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgScore, More Is BetterSeleniumBenchmark: Jetstream 2 - Browser: FirefoxMDS MitigatedMDS Vulnerable20406080100SE +/- 0.39, N = 3SE +/- 0.62, N = 3SE +/- 0.36, N = 3SE +/- 1.31, N = 3SE +/- 0.68, N = 3SE +/- 0.24, N = 3SE +/- 0.75, N = 3SE +/- 0.41, N = 365.5266.8281.2581.1473.2173.8987.4588.561. firefox 66.0.5

OSBench

Test: Create Files

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create FilesMDS MitigatedMDS Vulnerable3691215SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 312.5612.1012.0511.4313.6012.9410.9710.281. (CC) gcc options:

Compile Bench

Test: Initial Create

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateMDS MitigatedMDS Vulnerable150300450600750SE +/- 6.62, N = 3SE +/- 9.91, N = 3SE +/- 11.75, N = 3SE +/- 17.65, N = 3SE +/- 3.42, N = 3SE +/- 9.09, N = 3SE +/- 7.12, N = 3SE +/- 11.13, N = 3662689591558533565646659

OSBench

Test: Memory Allocations

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgNs Per Event, Fewer Is BetterOSBenchTest: Memory AllocationsMDS MitigatedMDS Vulnerable1632486480SE +/- 0.13, N = 3SE +/- 0.18, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.14, N = 3SE +/- 0.06, N = 3SE +/- 0.07, N = 3SE +/- 0.05, N = 370.3368.4563.5361.4972.3870.2957.4256.301. (CC) gcc options:

Bork File Encrypter

File Encryption Time

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgSeconds, Fewer Is BetterBork File Encrypter 1.4File Encryption TimeMDS MitigatedMDS Vulnerable246810SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.15, N = 15SE +/- 0.07, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 36.396.326.036.016.616.385.325.17

Redis

Test: SET

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETMDS MitigatedMDS Vulnerable600K1200K1800K2400K3000KSE +/- 18836.43, N = 9SE +/- 17068.89, N = 3SE +/- 56535.11, N = 15SE +/- 65120.56, N = 12SE +/- 23688.81, N = 6SE +/- 16368.00, N = 3SE +/- 39843.96, N = 4SE +/- 54931.36, N = 15199173720908732390360244114720927032158523268456026783111. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Sockperf

Test: Latency Under Load

7980XE8700KE3-1275 v69900KOpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Under LoadMDS MitigatedMDS Vulnerable816243240SE +/- 1.56, N = 25SE +/- 2.32, N = 25SE +/- 0.88, N = 20SE +/- 1.18, N = 25SE +/- 1.54, N = 20SE +/- 1.32, N = 20SE +/- 1.84, N = 26SE +/- 2.01, N = 2633.2830.5718.1617.1917.9215.559.199.841. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Phoronix Test Suite v10.8.5