MDS / Zombie Load mitigation impact tests by Michael Larabel on a future article.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1905208-HV-INTELMDS451
MDS Mitigation Impact Four Systems,
"OpenSSL 1.1.1 - RSA 4096-bit Performance",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",1217,1221.7,1221.6
"E3-1275 v6: MDS Vulnerable",1216.5,1222.3,1224.1
"2 x Xeon 6138: MDS Mitigated",7835.3,7813.6,7885.5
"2 x Xeon 6138: MDS Vulnerable",7886.5,7842.2,7679.7
"PostgreSQL pgbench 10.3 - Scaling: Buffer Test - Test: Normal Load - Mode: Read Only",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",113651.057735,113494.025112,114325.257728
"E3-1275 v6: MDS Vulnerable",119798.483229,120525.83967,120162.017298
"2 x Xeon 6138: MDS Mitigated",540502.729063,549159.977949,540462.528448
"2 x Xeon 6138: MDS Vulnerable",573001.952467,563551.03967,573845.620944
"Timed LLVM Compilation 6.0.1 - Time To Compile",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",747.90111708641
"E3-1275 v6: MDS Vulnerable",748.7821290493
"2 x Xeon 6138: MDS Mitigated",154.73222208023
"2 x Xeon 6138: MDS Vulnerable",154.29118394852
"Hackbench - Count: 32 - Type: Process",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",197.712,200.599,204.148
"E3-1275 v6: MDS Vulnerable",161.281,164.392,162.966
"2 x Xeon 6138: MDS Mitigated",48.656,51.803,56.838,49.211,49.085,50.306,56.174,50.307,55.403,50.718,53.315,53.618,54.604,50.877,48.82
"2 x Xeon 6138: MDS Vulnerable",46.156,47.155,49.317,45.624,43.893,40.808,42.361,48.955,47.912,46.423,49.534,47.987
"Timed Linux Kernel Compilation 4.18 - Time To Compile",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",132.3855381012,130.28829407692,129.67928504944
"E3-1275 v6: MDS Vulnerable",130.02781796455,128.62359809875,127.91022396088
"2 x Xeon 6138: MDS Mitigated",35.52061009407,31.471866130829,31.728044986725,31.503066062927,31.368161916733,31.320577859879,31.418322086334,31.227666854858,31.743217945099,31.509446144104,31.189895868301,31.501894950867,31.679553985596,31.475381851196,31.474164009094
"2 x Xeon 6138: MDS Vulnerable",35.482891082764,30.901557207108,30.893853902817,30.801895141602,31.092324972153,30.667495012283,30.605623960495,30.769729137421,30.006911039352,30.956155061722,30.020478010178,30.92467713356,30.740761995316,30.822028875351,30.843810796738
"ctx_clock - Context Switch Time",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",
"E3-1275 v6: MDS Vulnerable",
"2 x Xeon 6138: MDS Mitigated",596,580,582
"2 x Xeon 6138: MDS Vulnerable",
"Ethr 2019-01-02 - Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",10.12121116377,10.19771957672,10.095566037736
"E3-1275 v6: MDS Vulnerable",9.1314823641564,9.1764691829909,9.1632840095465
"2 x Xeon 6138: MDS Mitigated",19.986411582213,21.193745892662,21.554088888889,20.073132154006,20.568654661017,22.184572405929,22.37185483871,20.408690601901,20.85161637931,20.997353579176,20.139749478079,20.627046908316,21.572138084633,22.689298245614,20.408628691983
"2 x Xeon 6138: MDS Vulnerable",19.590091463415,20.667564102564,19.613177664975,19.548658536585
"Ethr 2019-01-02 - Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",10.22244291025,10.084795811518,10.181948257656
"E3-1275 v6: MDS Vulnerable",9.1362780697563,9.2314471153846,9.1450023820867
"2 x Xeon 6138: MDS Mitigated",20.714177350427,20.240648535565,20.959653304442
"2 x Xeon 6138: MDS Vulnerable",20.203826903024,19.610538071066,20.000643153527
"OSBench - Test: Create Threads",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",11.03878,11.827946,10.869503,11.072159,11.041164,11.129379,10.890961
"E3-1275 v6: MDS Vulnerable",10.390282,11.16991,10.221004,10.32114,11.320114,11.081696,10.280609,10.271072,11.100769,10.409355,10.240078,11.150837,10.299683,10.318756,10.240078
"2 x Xeon 6138: MDS Mitigated",22.277832,22.220612,22.821426
"2 x Xeon 6138: MDS Vulnerable",21.970272,21.350384,21.510124
"GIMP 2.10.8 - Test: unsharp-mask",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",17.14538693428,17.061331033707,17.066885948181
"E3-1275 v6: MDS Vulnerable",16.631494998932,16.668753147125,16.714658975601
"2 x Xeon 6138: MDS Mitigated",31.760354995728,31.814321994781,31.653603076935
"2 x Xeon 6138: MDS Vulnerable",30.832517147064,30.8230240345,30.853093862534
"GIMP 2.10.8 - Test: auto-levels",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",15.501428127289,15.190696001053,15.259437084198
"E3-1275 v6: MDS Vulnerable",14.970025062561,14.939636945724,14.911164999008
"2 x Xeon 6138: MDS Mitigated",26.592652797699,26.620111942291,26.557086229324
"2 x Xeon 6138: MDS Vulnerable",26.179412841797,26.283545017242,26.116125106812
"Sockperf 3.4 - Test: Latency Ping Pong",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",3.054,3.041,3.029,3.138,3.114
"E3-1275 v6: MDS Vulnerable",2.926,2.989,2.936,2.874,2.913
"2 x Xeon 6138: MDS Mitigated",4.492,4.877,4.564,4.612,4.945,4.569,4.7,4.511,4.882,4.49,4.627,4.458,4.883,4.75,4.663,5.07,4.565,4.551,4.641,4.507,4.526,4.684,4.835,4.522,4.604
"2 x Xeon 6138: MDS Vulnerable",4.275,4.289,4.451,4.27,4.325
"Memcached mcperf 1.5.10 - Method: Set",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",77062,75703.7,76101.7
"E3-1275 v6: MDS Vulnerable",79981.2,78318.2,78301.4
"2 x Xeon 6138: MDS Mitigated",51605.7,52438,51404.2
"2 x Xeon 6138: MDS Vulnerable",50315.7,50228.5,52247
"Sockperf 3.4 - Test: Throughput",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",529040,553133,536493,550825,563001
"E3-1275 v6: MDS Vulnerable",563599,633433,603261,573378,592712,578884,592853,610245,521192,627118,620095,569941,606917,594414,612645,591515,598561,603405,614893,614063,607574,617521,606425,536427,624567
"2 x Xeon 6138: MDS Mitigated",379194,375570,387828,396958,388100
"2 x Xeon 6138: MDS Vulnerable",418256,409739,418114,415436,419270
"t-test1 2017-01-13 - Threads: 2",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",6.5446779727936,6.5577511787415,6.4722619056702
"E3-1275 v6: MDS Vulnerable",6.1447958946228,6.1215250492096,6.0821418762207
"2 x Xeon 6138: MDS Mitigated",9.2367939949036,9.1498448848724,9.3882608413696
"2 x Xeon 6138: MDS Vulnerable",9.1587500572205,9.2245519161224,9.2284121513367
"Memcached mcperf 1.5.10 - Method: Get",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",128065.4,129025.1,129116.6
"E3-1275 v6: MDS Vulnerable",139943.7,142748.1,144271.4
"2 x Xeon 6138: MDS Mitigated",94304.8,94835.5,94141.4
"2 x Xeon 6138: MDS Vulnerable",98435.7,100029.7,99874.8
"GIMP 2.10.8 - Test: resize",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",9.2066071033478,8.9102389812469,8.9092578887939
"E3-1275 v6: MDS Vulnerable",8.936506986618,8.8675880432129,8.7843580245972
"2 x Xeon 6138: MDS Mitigated",13.274418115616,13.198846101761,13.257725000381
"2 x Xeon 6138: MDS Vulnerable",13.157002925873,13.224169969559,12.88214802742
"GIMP 2.10.8 - Test: rotate",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",13.652466058731,13.591368913651,13.64489197731
"E3-1275 v6: MDS Vulnerable",13.438504934311,13.429369211197,13.459753990173
"2 x Xeon 6138: MDS Mitigated",19.583245992661,19.541229963303,19.497462034225
"2 x Xeon 6138: MDS Vulnerable",19.322503089905,19.354596138,19.213465929031
"OSBench - Test: Memory Allocations",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",72.328091,72.173834,72.64781
"E3-1275 v6: MDS Vulnerable",70.19186,70.312023,70.380926
"2 x Xeon 6138: MDS Mitigated",98.418951,98.329067,98.245144
"2 x Xeon 6138: MDS Vulnerable",95.402956,95.874071,96.15612
"PostMark 1.51 - Disk Transaction Performance",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",
"E3-1275 v6: MDS Vulnerable",6756,6756,6578
"2 x Xeon 6138: MDS Mitigated",
"2 x Xeon 6138: MDS Vulnerable",5208,5208,5102
"Bork File Encrypter 1.4 - File Encryption Time",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",6.6785259246826,6.6835339069366,6.4774379730225
"E3-1275 v6: MDS Vulnerable",6.4281229972839,6.427255153656,6.2877230644226
"2 x Xeon 6138: MDS Mitigated",7.8273839950562,8.1798558235168,8.156779050827
"2 x Xeon 6138: MDS Vulnerable",8.0249149799347,8.012332201004,7.9608550071716
"OSBench - Test: Create Files",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",13.679003,13.604222,13.502487
"E3-1275 v6: MDS Vulnerable",12.902893,12.991397,12.919676
"2 x Xeon 6138: MDS Mitigated",16.299799,16.219445,16.214483
"2 x Xeon 6138: MDS Vulnerable",15.716104,15.668765,15.645525
"OSBench - Test: Launch Programs",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",48.611164,49.228668,48.770905
"E3-1275 v6: MDS Vulnerable",45.800209,45.56179,45.27092
"2 x Xeon 6138: MDS Mitigated",56.130886,55.170059,56.898594
"2 x Xeon 6138: MDS Vulnerable",54.650307,55.081844,55.048466
"glibc bench 1.0 - Benchmark: pthread_once",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",1.83138,1.83294,1.83148
"E3-1275 v6: MDS Vulnerable",1.70984,1.71204,1.71022
"2 x Xeon 6138: MDS Mitigated",2.05729,2.05872,2.05415
"2 x Xeon 6138: MDS Vulnerable",1.93639,1.9356,1.93556
"glibc bench 1.0 - Benchmark: ffsll",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",1.83019,1.83108,1.83245
"E3-1275 v6: MDS Vulnerable",1.70832,1.71096,1.71143
"2 x Xeon 6138: MDS Mitigated",2.05545,2.06505,2.05571
"2 x Xeon 6138: MDS Vulnerable",1.93555,1.93617,1.93468
"glibc bench 1.0 - Benchmark: ffs",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",1.82862,1.8314,1.83391
"E3-1275 v6: MDS Vulnerable",1.70731,1.70974,1.70948
"2 x Xeon 6138: MDS Mitigated",2.05331,2.05497,2.05536
"2 x Xeon 6138: MDS Vulnerable",1.93444,1.93523,1.93449
"Compile Bench 0.6 - Test: Initial Create",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",532.35,527.06,538.87
"E3-1275 v6: MDS Vulnerable",566.34,579.35,548
"2 x Xeon 6138: MDS Mitigated",498.8,505.45,505.45
"2 x Xeon 6138: MDS Vulnerable",525.1,535.92,542.44
"Stress-NG 0.07.26 - Test: System V Message Passing",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",4770749.85,2339962.01,4823535.68,4824965.01,4803542.32,4855557.41,4780169.45,4339760.33,4786572.56,4826988.96,4842359.84,4789777.9
"E3-1275 v6: MDS Vulnerable",7371679.33,7042650.59,7274737.81
"2 x Xeon 6138: MDS Mitigated",5204172.68,5708235.39,5607305.16,5317573.45,5289152.21,5195818.56,5328990.73,5640582.59,5479105.6,5147063.02,5192657.45,5136437.31,5436635.3,5157297.13,5604681.18
"2 x Xeon 6138: MDS Vulnerable",5876089.79,5715963.42,5605195.13
"Stress-NG 0.07.26 - Test: Context Switching",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",1711874.09,1695089.14,1712435.9
"E3-1275 v6: MDS Vulnerable",1974892.03,2043790.39,2009644.02
"2 x Xeon 6138: MDS Mitigated",22611163.66,22863129.65,23088428.5
"2 x Xeon 6138: MDS Vulnerable",31580536.23,23937240.04,29805960.89,27415908.6,25924331.4,22244128.18,30986703.28,26192638.51,30506731.98,31518289.5,31110608.75,25217223.22,26702636.3,22306577.17,32224885.02
"Stress-NG 0.07.26 - Test: Socket Activity",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",3728.65,3882.35,3862.29
"E3-1275 v6: MDS Vulnerable",6110.51,4715.98,4949.88,4644.48,4921.92,4843.09,4463.79,4868.14,4743.23,4871.11,4799.99,4807.28,4704.68,4598.11,4963.16
"2 x Xeon 6138: MDS Mitigated",17990.96,18753.49,18931.33
"2 x Xeon 6138: MDS Vulnerable",19127.14,20600.66,21739.81,21209.81,20813.66,21248.57,21163.22,21220.16,21093.26,20689.74,21638.41,20946.17
"Stress-NG 0.07.26 - Test: Semaphores",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",5014758.2,4993867.54,4939690.52
"E3-1275 v6: MDS Vulnerable",5602561.12,5693763.62,5675483.2
"2 x Xeon 6138: MDS Mitigated",1804474.16,1930699.13,1640168.53,1747875.22,1852605.18,1852006.39,1867161.83,1741157.76,1610226.44,1840893.53,1540841.17,1755679.69,1833876.82,1807827.98,1863117.85
"2 x Xeon 6138: MDS Vulnerable",1909168.27,1946174.1,1760079.14,1980572.92,1733902.8,1828151.63,1970379.76,1924420.88,1707856.85,1955023.48,1829102.53,1896625.09,1852892.04,1893626.54,1936977.02
"Redis 4.0.8 - Test: SET",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",1984127,2150537.5,2083333.38,2123142.25,2096436.12,2118644
"E3-1275 v6: MDS Vulnerable",2127659.5,2183406,2164502
"2 x Xeon 6138: MDS Mitigated",1531393.62,1564945.25,1757469.25,1658374.88,1754386,1680672.25,1557632.38,1715265.88,1499250.38,1757469.25,1642036,1567398.12,1811594.25,1584786.12,1644736.88
"2 x Xeon 6138: MDS Vulnerable",1499250.38,1612903.25,1745200.62,1560062.5,1543209.88,1754386,1801801.75,1805054.12,1727115.75,1805054.12,1631321.38,1658374.88,1503759.38,1589825.12,1587301.62
"PostgreSQL pgbench 10.3 - Scaling: Buffer Test - Test: Normal Load - Mode: Read Write",
Higher Results Are Better
"E3-1275 v6: MDS Mitigated",4264.191563,4507.32284,4511.165379,4576.540106,4605.522861
"E3-1275 v6: MDS Vulnerable",4647.806146,4706.212037,4655.415328
"2 x Xeon 6138: MDS Mitigated",13442.361073,13435.934611,13512.253009
"2 x Xeon 6138: MDS Vulnerable",13668.536824,11898.547748,10996.494427,10546.804268,9443.040336,8317.383427,7297.130497,6052.135201,5944.755752,5714.601957,5695.595977,5709.412629
"Sockperf 3.4 - Test: Latency Under Load",
Lower Results Are Better
"E3-1275 v6: MDS Mitigated",19.724,19.757,18.928,18.113,19.229,28.521,4.8,4.564,6.584,20.088,19.573,20.582,20.741,19.836,28.546,21.495,21.84,19.428,6.535,19.479
"E3-1275 v6: MDS Vulnerable",18.997,19.191,18.776,19.495,9.699,9.508,7.366,4.588,21.437,19.188,7.326,7.248,19.893,19.267,21.168,20.963,21.428,10.737,15.592,19.223
"2 x Xeon 6138: MDS Mitigated",33.27,39.161,39.387,37.993,39.105,39.085,33.266,38.79,33.007,38.293,38.668,38.797,33.069,25.202,33.067,33.593,33.255,33.421,33.236,33.245
"2 x Xeon 6138: MDS Vulnerable",32.838,39.261,39.358,38.702,39.117,38.791,38.966,32.838,38.141,38.71,38.646,39.124,39.289,38.669,33.2,32.138,33.368,38.393,39.057,38.848,11.6