MDS Mitigation Impact Three Systems

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

HTML result view exported from: https://openbenchmarking.org/result/1905178-HV-MERGE559545&grs&rdt.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen Resolution7980XE8700KE3-1275 v6 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 I210OpenBenchmarking.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

hackbench: 32 - Processpgbench: Buffer Test - Normal Load - Read Onlystress-ng: Socket Activityopenssl: RSA 4096-bit Performancebuild-llvm: Time To Compilebuild-linux-kernel: Time To Compiley-cruncher: Calculating 500M Pi Digitsfs-mark: 1000 Files, 1MB Sizectx-clock: Context Switch Timepgbench: Buffer Test - Normal Load - Read Writestress-ng: System V Message Passingdav1d: Summer Nature 4Kstress-ng: Context Switchingcompilebench: Compilesqlite: Timed SQLite Insertionsstress-ng: Semaphorest-test1: 2ethr: TCP - Latency - 1ethr: TCP - Latency - 32gimp: unsharp-maskosbench: Create Processesosbench: Launch Programsstress-ng: Cryptostress-ng: Vector Mathgimp: auto-levelsosbench: Create Threadssunflow: Global Illumination + Image Synthesissockperf: Latency Ping Pongmcperf: Setsockperf: Throughputgimp: resizedav1d: Summer Nature 1080pmcperf: Getgimp: rotatembw: Memory Copy - 4096 MiBcompilebench: Initial Createselenium: Jetstream 2 - Firefoxredis: SETpostmark: Disk Transaction Performanceglibc-bench: pthread_onceglibc-bench: ffsllglibc-bench: ffsosbench: Create Filesosbench: Memory Allocationsluajit: Compositenode-octane: fio: Seq Read - Linux AIO - Yes - No - 2MB - Default Test Directoryphpbench: PHP Benchmark Suitefio: Rand Read - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Rand Write - Linux AIO - Yes - No - 2MB - Default Test Directoryglibc-bench: singlibc-bench: cosfio: Seq Write - Linux AIO - Yes - No - 2MB - Default Test Directorypybench: Total For Average Test Timesstress-ng: Memory Copyingbork: File Encryption Timeapache-siege: 250redis: GETmafft: Multiple Sequence Alignmentsockperf: Latency Under Loadfs-mark: 5000 Files, 1MB Size, 4 Threads7980XE8700KE3-1275 v6 MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable MDS Mitigated MDS Vulnerable54.7048511912173468820539.3613.741916275635769281723.8214248303159038.7330782809.2715.4515.3425.7132.6537.9920.0415.153.916262346909411.5912.5011213616.691113566265.52199173765781.731.731.7312.5670.3316254904176257077848140488744.5644.9648439176.39432032.6733.2824543.8150742716651468419538.6513.861913715663806986123.7519837787155638.7231703668.4114.5714.4624.6032.7236.9919.5414.703.806603648933011.4212.5811775716.531110668966.82209087369441.631.631.6312.1068.4516264917374347070308193494244.4544.6548559146.32428492.6630.57234122.321785475806198047483.7129.3175.379202457727898132.423268487120674.5845392115.509.419.2715.2631.9115061731113.3710.151.472.81902156176287.899.6214552612.141494859181.25239036071421.631.631.6312.0563.5317385550984787597568447542541.6941.93537985718206.0335558452.7618.16117.7792.671888638039197046682.1629.2866.705132173989124532.26412871689273.8650068315.148.748.7314.9029.8215061730712.979.841.472.60938586999027.789.5816030511.841498655881.14244114776541.521.521.5211.4361.4917355580884957650528450543041.6642.03536185518206.0131719092.8017.1980.152011138233824122074813140.7118310504493456532848.061706466173240.1749827726.5210.1410.1617.0919.8948.879321070415.3211.122.213.08762895464989.0113.9212873613.631361453373.21209270362501.831.831.8313.6072.3814994884474786730237465481446.7947.05483595316516.6132154563.8717.922911631201624867122174912940.691845884670722968947.982009442164740.0156572696.129.169.1716.6745.549311070614.9410.592.242.93788675966268.8613.8714232113.441361556573.89215852366971.711.711.7112.9470.2915014841174746768957456479746.6946.90479895716486.3828547993.9015.55270OpenBenchmarking.org

Hackbench

Count: 32 - Type: Process

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 354.7043.81122.3292.67201.00163.001. (CC) gcc options: -lpthread

PostgreSQL pgbench

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

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 34851195074271785471888631138231201621. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Stress-NG

Test: Socket Activity

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 15121731665158068039382448671. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

OpenSSL

RSA 4096-bit Performance

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 34688468419801970122012211. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

Timed LLVM Compilation

Time To Compile

7980XE8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 6.0.1Time To CompileMDS MitigatedMDS Vulnerable160320480640800205195474466748749

Timed Linux Kernel Compilation

Time To Compile

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 339.3638.6583.7182.16131.00129.00

Y-Cruncher

Calculating 500M Pi Digits

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 313.7413.8629.3129.2840.7140.69

FS-Mark

Test: 1000 Files, 1MB Size

7980XE8700KE3-1275 v6OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeMDS MitigatedMDS Vulnerable4080120160200SE +/- 0.10, N = 3SE +/- 0.41, N = 3SE +/- 0.19, N = 3SE +/- 0.81, N = 3SE +/- 0.55, N = 3SE +/- 3.07, N = 3191.00191.0075.3766.70183.00184.001. (CC) gcc options: -static

ctx_clock

Context Switch Time

7980XE8700KE3-1275 v6OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeMDS MitigatedMDS Vulnerable2004006008001000SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 2.00, N = 3SE +/- 0.67, N = 36273719205131050588

PostgreSQL pgbench

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

7980XE8700KE3-1275 v6OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteMDS MitigatedMDS Vulnerable12002400360048006000SE +/- 55.88, N = 3SE +/- 40.51, N = 3SE +/- 11.29, N = 3SE +/- 33.86, N = 15SE +/- 60.22, N = 5SE +/- 18.33, N = 35635566324572173449346701. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Stress-NG

Test: System V Message Passing

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 37692817806986172789819891245456532872296891. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

dav1d

Video Input: Summer Nature 4K

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 323.8223.7532.4232.2648.0647.981. (CC) gcc options: -pthread

Stress-NG

Test: Context Switching

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 3142483031983778732684874128716170646620094421. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Compile Bench

Test: Compile

7980XE8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileMDS MitigatedMDS Vulnerable400800120016002000SE +/- 18.29, N = 6SE +/- 14.84, N = 3SE +/- 14.95, N = 3SE +/- 2.15, N = 3SE +/- 54.61, N = 15SE +/- 20.45, N = 315901556120689217321647

SQLite

Timed SQLite Insertions

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 338.7338.7274.5873.8640.1740.011. (CC) gcc options: -O2 -ldl -lpthread

Stress-NG

Test: Semaphores

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 33078280317036645392115006831498277256572691. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

t-test1

Threads: 2

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 39.278.415.505.146.526.121. (CC) gcc options: -pthread

Ethr

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

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 315.4514.579.418.7410.149.16

Ethr

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

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 315.3414.469.278.7310.169.17

GIMP

Test: unsharp-mask

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 325.7124.6015.2614.9017.0916.67

OSBench

Test: Create Processes

7980XEE3-1275 v6OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ProcessesMDS MitigatedMDS Vulnerable816243240SE +/- 0.14, N = 3SE +/- 0.40, N = 3SE +/- 0.10, N = 232.6532.7219.891. (CC) gcc options:

OSBench

Test: Launch Programs

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 337.9936.9931.9129.8248.8745.541. (CC) gcc options: -lm

Stress-NG

Test: Crypto

8700KE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: CryptoMDS MitigatedMDS Vulnerable30060090012001500SE +/- 0.16, N = 3SE +/- 0.80, N = 3SE +/- 0.44, N = 3SE +/- 0.67, N = 3150615069329311. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Vector Math

8700KE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Vector MathMDS MitigatedMDS Vulnerable4K8K12K16K20KSE +/- 1.92, N = 3SE +/- 1.69, N = 3SE +/- 4.68, N = 3SE +/- 2.20, N = 3173111730710704107061. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

GIMP

Test: auto-levels

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 320.0419.5413.3712.9715.3214.94

OSBench

Test: Create Threads

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 1515.1514.7010.159.8411.1210.591. (CC) gcc options: -lm

Sunflow Rendering System

Global Illumination + Image Synthesis

8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterSunflow Rendering System 0.07.2Global Illumination + Image SynthesisMDS MitigatedMDS Vulnerable0.5041.0081.5122.0162.52SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 31.471.472.212.24

Sockperf

Test: Latency Ping Pong

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 53.913.802.812.603.082.931. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

Memcached mcperf

Method: Set

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 36262366036902159385876289788671. (CC) gcc options: -O2 -lm -rdynamic

Sockperf

Test: Throughput

7980XE8700KE3-1275 v6OpenBenchmarking.orgMessages Per Second, More Is BetterSockperf 3.4Test: ThroughputMDS MitigatedMDS Vulnerable150K300K450K600K750KSE +/- 4821.96, N = 5SE +/- 3710.34, N = 5SE +/- 7438.77, N = 5SE +/- 6710.15, N = 5SE +/- 6082.67, N = 5SE +/- 5413.08, N = 254690944893306176286999025464985966261. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

GIMP

Test: resize

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 311.5911.427.897.789.018.86

dav1d

Video Input: Summer Nature 1080p

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 312.5012.589.629.5813.9213.871. (CC) gcc options: -pthread

Memcached mcperf

Method: Get

7980XE8700KE3-1275 v6OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.5.10Method: GetMDS MitigatedMDS Vulnerable30K60K90K120K150KSE +/- 121.94, N = 3SE +/- 61.37, N = 3SE +/- 845.05, N = 3SE +/- 1443.03, N = 3SE +/- 336.19, N = 3SE +/- 1267.41, N = 31121361177571455261603051287361423211. (CC) gcc options: -O2 -lm -rdynamic

GIMP

Test: rotate

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 316.6916.5312.1411.8413.6313.44

MBW

Test: Memory Copy - Array Size: 4096 MiB

7980XE8700KE3-1275 v6OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy - Array Size: 4096 MiBMDS MitigatedMDS Vulnerable3K6K9K12K15KSE +/- 2.35, N = 3SE +/- 33.53, N = 3SE +/- 27.11, N = 3SE +/- 26.61, N = 3SE +/- 10.30, N = 3SE +/- 24.31, N = 31113511106149481498613614136151. (CC) gcc options: -O3 -march=native

Compile Bench

Test: Initial Create

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 3662689591558533565

Selenium

Benchmark: Jetstream 2 - Browser: Firefox

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 365.5266.8281.2581.1473.2173.891. firefox 66.0.5

Redis

Test: SET

7980XE8700KE3-1275 v6OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETMDS MitigatedMDS Vulnerable500K1000K1500K2000K2500KSE +/- 18836.43, N = 9SE +/- 17068.89, N = 3SE +/- 56535.11, N = 15SE +/- 65120.56, N = 12SE +/- 23688.81, N = 6SE +/- 16368.00, N = 31991737209087323903602441147209270321585231. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

PostMark

Disk Transaction Performance

7980XE8700KE3-1275 v6OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceMDS MitigatedMDS Vulnerable16003200480064008000SE +/- 79.00, N = 3SE +/- 59.33, N = 36578694471427654625066971. (CC) gcc options: -O3

glibc bench

Benchmark: pthread_once

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 31.731.631.631.521.831.71

glibc bench

Benchmark: ffsll

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 31.731.631.631.521.831.71

glibc bench

Benchmark: ffs

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 31.731.631.631.521.831.71

OSBench

Test: Create Files

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 312.5612.1012.0511.4313.6012.941. (CC) gcc options: -lm

OSBench

Test: Memory Allocations

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 370.3368.4563.5361.4972.3870.291. (CC) gcc options: -lm

LuaJIT

Test: Composite

7980XE8700KE3-1275 v6OpenBenchmarking.orgMflops, More Is BetterLuaJIT 2.1-gitTest: CompositeMDS MitigatedMDS Vulnerable400800120016002000SE +/- 1.00, N = 3SE +/- 4.19, N = 3SE +/- 0.40, N = 3SE +/- 1.94, N = 3SE +/- 2.63, N = 3SE +/- 1.26, N = 31625162617381735149915011. (CC) gcc options: -lm -ldl -O2 -fomit-frame-pointer -U_FORTIFY_SOURCE -fno-stack-protector

Node.js Octane Benchmark

7980XE8700KE3-1275 v6OpenBenchmarking.orgScore, More Is BetterNode.js Octane BenchmarkMDS MitigatedMDS Vulnerable12K24K36K48K60KSE +/- 94.38, N = 3SE +/- 46.78, N = 3SE +/- 102.41, N = 3SE +/- 120.53, N = 3SE +/- 166.20, N = 3SE +/- 291.27, N = 34904149173555095580848844484111. Nodejs v10.15.2

Flexible IO Tester

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

7980XE8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryMDS MitigatedMDS Vulnerable2K4K6K8K10KSE +/- 80.33, N = 15SE +/- 51.16, N = 3SE +/- 7.09, N = 3SE +/- 4.63, N = 3SE +/- 17.56, N = 3SE +/- 10.50, N = 37625743484788495747874741. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -ll -lrt -laio -lm -lpthread -ldl

PHPBench

PHP Benchmark Suite

7980XE8700KE3-1275 v6OpenBenchmarking.orgScore, More Is BetterPHPBench 0.8.1PHP Benchmark SuiteMDS MitigatedMDS Vulnerable160K320K480K640K800KSE +/- 755.78, N = 3SE +/- 1979.81, N = 3SE +/- 4410.91, N = 3SE +/- 1096.58, N = 3SE +/- 5566.17, N = 3SE +/- 1462.03, N = 3707784707030759756765052673023676895

Flexible IO Tester

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

7980XE8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryMDS MitigatedMDS Vulnerable2K4K6K8K10KSE +/- 32.00, N = 3SE +/- 35.69, N = 3SE +/- 17.90, N = 3SE +/- 10.69, N = 3SE +/- 5.51, N = 38140819384478450746574561. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -ll -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

7980XE8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryMDS MitigatedMDS Vulnerable12002400360048006000SE +/- 42.30, N = 3SE +/- 18.45, N = 3SE +/- 74.81, N = 4SE +/- 55.29, N = 8SE +/- 26.08, N = 3SE +/- 38.18, N = 34887494254255430481447971. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -ll -lrt -laio -lm -lpthread -ldl

glibc bench

Benchmark: sin

7980XE8700KE3-1275 v6OpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: sinMDS MitigatedMDS Vulnerable1122334455SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.08, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 344.5644.4541.6941.6646.7946.69

glibc bench

Benchmark: cos

7980XE8700KE3-1275 v6OpenBenchmarking.orgnanoseconds, Fewer Is Betterglibc bench 1.0Benchmark: cosMDS MitigatedMDS Vulnerable1122334455SE +/- 0.16, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.25, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 344.9644.6541.9342.0347.0546.90

Flexible IO Tester

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

7980XE8700KE3-1275 v6OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryMDS MitigatedMDS Vulnerable12002400360048006000SE +/- 48.64, N = 3SE +/- 64.71, N = 3SE +/- 124.38, N = 12SE +/- 129.02, N = 12SE +/- 22.15, N = 3SE +/- 37.84, N = 34843485553795361483547981. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -ll -lrt -laio -lm -lpthread -ldl

PyBench

Total For Average Test Times

7980XE8700KE3-1275 v6OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyBench 2018-02-16Total For Average Test TimesMDS MitigatedMDS Vulnerable2004006008001000SE +/- 3.21, N = 3SE +/- 2.67, N = 3SE +/- 2.40, N = 3SE +/- 2.85, N = 3SE +/- 2.65, N = 3SE +/- 3.46, N = 3917914857855953957

Stress-NG

Test: Memory Copying

8700KE3-1275 v6OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Memory CopyingMDS MitigatedMDS Vulnerable400800120016002000SE +/- 1.25, N = 3SE +/- 2.72, N = 3SE +/- 2.18, N = 3SE +/- 3.48, N = 318201820165116481. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -lpthread -laio -lc

Bork File Encrypter

File Encryption Time

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 36.396.326.036.016.616.38

Apache Siege

Concurrent Users: 250

OpenBenchmarking.orgTransactions Per Second, More Is BetterApache Siege 2.4.29Concurrent Users: 250MDS MitigatedMDS Vulnerable9K18K27K36K45KSE +/- 941.95, N = 15SE +/- 739.01, N = 1243203428491. (CC) gcc options: -O2 -lpthread -ldl -lssl -lcrypto

Redis

Test: GET

8700KE3-1275 v6OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: GETMDS MitigatedMDS Vulnerable800K1600K2400K3200K4000KSE +/- 42099.31, N = 15SE +/- 65346.95, N = 15SE +/- 5969.31, N = 3SE +/- 23029.41, N = 335558453171909321545628547991. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Timed MAFFT Alignment

Multiple Sequence Alignment

7980XE8700KE3-1275 v6OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 7.392Multiple Sequence AlignmentMDS MitigatedMDS Vulnerable0.87751.7552.63253.514.3875SE +/- 0.03, N = 15SE +/- 0.04, N = 15SE +/- 0.05, N = 15SE +/- 0.06, N = 15SE +/- 0.06, N = 15SE +/- 0.08, N = 122.672.662.762.803.873.901. (CC) gcc options: -std=c99 -O3 -lm -lpthread

Sockperf

Test: Latency Under Load

7980XE8700KE3-1275 v6OpenBenchmarking.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 = 2033.2830.5718.1617.1917.9215.551. (CXX) g++ options: --param -O3 -rdynamic -ldl -lpthread

FS-Mark

Test: 5000 Files, 1MB Size, 4 Threads

7980XE8700KE3-1275 v6OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsMDS MitigatedMDS Vulnerable60120180240300SE +/- 20.88, N = 15SE +/- 3.12, N = 15SE +/- 0.58, N = 3SE +/- 8.84, N = 6SE +/- 23.90, N = 15SE +/- 3.89, N = 15245.00234.00117.7780.15291.00270.001. (CC) gcc options: -static

Phoronix Test Suite v10.8.4