Zen 2 mitigation benchmarks by Michael Larabel for 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 2208199-NE-RYZEN939580
Ryzen 9 3950X Linux 6.0 Mitigations Benchmark,
"Selenium - Benchmark: ARES-6 - Browser: Google Chrome",
Lower Results Are Better
"Default",16.56,15.6,15.55,15.6,15.93,16.07
"mitigations=off",15.75,15.56,15.44
"retbleed=ibpb",16.62,16.29,17.16,17.08
"retbleed=ibpb spectre_v2=on",16.39,16.52,16.4
"retbleed=ibpb spectre_v2=on nosmt",14.02,14.27,14.04
"Selenium - Benchmark: Kraken - Browser: Google Chrome",
Lower Results Are Better
"Default",609.2,606.1,587.9
"mitigations=off",610.5,605.2,596
"retbleed=ibpb",630.1,627.6,632.8
"retbleed=ibpb spectre_v2=on",627.9,622.4,620.8
"retbleed=ibpb spectre_v2=on nosmt",584.9,584.5,585.7
"Selenium - Benchmark: Octane - Browser: Google Chrome",
Higher Results Are Better
"Default",57886,57308,59729
"mitigations=off",60061,58701,58641
"retbleed=ibpb",55494,57524,56447
"retbleed=ibpb spectre_v2=on",55532,56180,57864
"retbleed=ibpb spectre_v2=on nosmt",56444,56268,56027
"Selenium - Benchmark: Jetstream 2 - Browser: Google Chrome",
Higher Results Are Better
"Default",172.335,174.813,171.093
"mitigations=off",178.516,176.007,176.557
"retbleed=ibpb",161.482,163.155,159.351
"retbleed=ibpb spectre_v2=on",156.991,162.759,159.419
"retbleed=ibpb spectre_v2=on nosmt",182.419,181.791,182.948
"Selenium - Benchmark: Speedometer - Browser: Google Chrome",
Higher Results Are Better
"Default",214,212,210
"mitigations=off",210,210,213
"retbleed=ibpb",184,188,189
"retbleed=ibpb spectre_v2=on",188,189,184
"retbleed=ibpb spectre_v2=on nosmt",193,193,195
"Selenium - Benchmark: PSPDFKit WASM - Browser: Google Chrome",
Lower Results Are Better
"Default",2906,2882,2886
"mitigations=off",2869,2853,2835
"retbleed=ibpb",3293,3211,3300
"retbleed=ibpb spectre_v2=on",3287,3273,3242
"retbleed=ibpb spectre_v2=on nosmt",2980,2934,2967
"Selenium - Benchmark: WASM imageConvolute - Browser: Google Chrome",
Lower Results Are Better
"Default",25.98,25.07,24.89
"mitigations=off",24.91,24.78,24.84
"retbleed=ibpb",25.53,25.85,25.86
"retbleed=ibpb spectre_v2=on",25.4,25.79,25.42
"retbleed=ibpb spectre_v2=on nosmt",26.25,26.39,26.3
"Selenium - Benchmark: WASM collisionDetection - Browser: Google Chrome",
Lower Results Are Better
"Default",278.97,269.73,272.48
"mitigations=off",278.76,270.75,277.34
"retbleed=ibpb",278.57,267.53,276.38
"retbleed=ibpb spectre_v2=on",267.31,270.49,269.84
"retbleed=ibpb spectre_v2=on nosmt",285.04,284.87,285.3
"Compile Bench 0.6 - Test: Initial Create",
Higher Results Are Better
"Default",513.84,505.8,524.04
"mitigations=off",593.98,609.54,615.31
"retbleed=ibpb",234.84,244.1,242.87
"retbleed=ibpb spectre_v2=on",232.64,244.73,250.22,234.6,244.59,246.6,243.37,243.65
"retbleed=ibpb spectre_v2=on nosmt",240.76,232.04,233.36
"Compile Bench 0.6 - Test: Read Compiled Tree",
Higher Results Are Better
"Default",3390.42,3476.54,3522.85
"mitigations=off",3834.61,3729.91,3826.38
"retbleed=ibpb",1311.05,1249.23,1293.64
"retbleed=ibpb spectre_v2=on",1249.4,1347.97,1305.48
"retbleed=ibpb spectre_v2=on nosmt",1242.72,1254.34,1254.34
"ctx_clock - Context Switch Time",
Lower Results Are Better
"Default",245,245,245
"mitigations=off",175,175,175
"retbleed=ibpb",1435,1435,1435
"retbleed=ibpb spectre_v2=on",1435,1470,1470
"retbleed=ibpb spectre_v2=on nosmt",1575,1575,1575
"Hackbench - Count: 8 - Type: Thread",
Lower Results Are Better
"Default",19.702,13.826,19.431,13.844,19.802,13.861,20.065,19.628,18.428,19.18,19.107,13.913,19.302,19.498,19.824
"mitigations=off",17.269,17.448,17.55
"retbleed=ibpb",31.87,31.918,31.823
"retbleed=ibpb spectre_v2=on",38.695,34.021,38.593,38.577,34.244,34.178,34.037,33.968,34.08,33.955,34.021,34.024,38.397,38.446,38.825
"retbleed=ibpb spectre_v2=on nosmt",57.161,57.171,57.093
"Hackbench - Count: 16 - Type: Thread",
Lower Results Are Better
"Default",25.457,25.309,26.065
"mitigations=off",22.399,22.613,22.096
"retbleed=ibpb",64.065,64.014,63.593
"retbleed=ibpb spectre_v2=on",76.638,73.288,76.039
"retbleed=ibpb spectre_v2=on nosmt",111.977,111.876,111.869
"Hackbench - Count: 8 - Type: Process",
Lower Results Are Better
"Default",13.209,13.279,13.266
"mitigations=off",11.054,11.031,11.154
"retbleed=ibpb",31.149,31.225,31.173
"retbleed=ibpb spectre_v2=on",33.409,33.315,33.41
"retbleed=ibpb spectre_v2=on nosmt",51.277,53.494,53.562
"Hackbench - Count: 16 - Type: Process",
Lower Results Are Better
"Default",24.811,24.975,25.328
"mitigations=off",21.003,20.788,20.859
"retbleed=ibpb",62.542,64.195,65.112
"retbleed=ibpb spectre_v2=on",69.291,68.668,69.61
"retbleed=ibpb spectre_v2=on nosmt",108.616,108.743,108.572
"Hackbench - Count: 32 - Type: Process",
Lower Results Are Better
"Default",56.775,56.394,56.64
"mitigations=off",47.975,47.233,47.203
"retbleed=ibpb",138.711,138.175,137.384
"retbleed=ibpb spectre_v2=on",148.421,146.957,147.847
"retbleed=ibpb spectre_v2=on nosmt",221.404,221.264,221.586
"Stress-NG 0.14 - Test: MMAP",
Higher Results Are Better
"Default",286.42,285.55,290.87
"mitigations=off",304.04,294.7,289.32,290.94
"retbleed=ibpb",251.4,249.94,248.25
"retbleed=ibpb spectre_v2=on",233.08,228.68,228.56
"retbleed=ibpb spectre_v2=on nosmt",255.05,253.53,253.87
"Stress-NG 0.14 - Test: Futex",
Higher Results Are Better
"Default",4496777.54,5063220.79,5075262.98,5012122.74,4860486.6,5024186.27,4807390.86,5059530.4,4974038.98,4932813.04,4989774.06,5172237.87,4878394.56,5104871.48
"mitigations=off",5511515.51,5388239.19,5987592.23,5848809.67,5766711.45,5798155.13,5741120.28,6024092.05,5130412.6,5529100.01,5666962.27,5335228.38,5627409.83,6035692.43,5725198.24
"retbleed=ibpb",1856635.57,2148214.35,2129596.99,2223813.11,2103676.04,2233476.13,2152775.57,2174264.2,2076502.7,2173545.51,1971758.55,2194999.54,2075193.02,1977322.58,2046125.07
"retbleed=ibpb spectre_v2=on",1690837.79,1700914.18,1690419.32
"retbleed=ibpb spectre_v2=on nosmt",1025022.22,1061797.57,1008770.65,1082796.61,1004484.81,1009903.01,1065024.19,1062189.36,1048872.44,1006224.05,1078316,1051569.9,1088990.94,1015000.38,1055015.29
"Stress-NG 0.14 - Test: Malloc",
Higher Results Are Better
"Default",23076615.4,23362662.91,22891048.37
"mitigations=off",28517197.71,28325183.92,28474328.56
"retbleed=ibpb",6105128.11,6124970.64,6273764.19
"retbleed=ibpb spectre_v2=on",5963761.74,5974938.29,6179551.32
"retbleed=ibpb spectre_v2=on nosmt",4143891.7,4272951.65,4224377.91
"Stress-NG 0.14 - Test: SENDFILE",
Higher Results Are Better
"Default",296066.83,291778.19,291861.89
"mitigations=off",414492.15,412274,411121.36
"retbleed=ibpb",305202.7,305546.46,305324.92
"retbleed=ibpb spectre_v2=on",301585,302329.82,301894.26
"retbleed=ibpb spectre_v2=on nosmt",215039.38,215006.75,214828.95
"Stress-NG 0.14 - Test: Socket Activity",
Higher Results Are Better
"Default",8803.82,8863.33,8847.09
"mitigations=off",9561.74,9557.43,9574.33
"retbleed=ibpb",7031.84,6244.37,6373.78,6508.52,6758.7,6479.55,6420.13,6818.54,6665.53,6628.28,6552.79,6360.28,6445.34,6512.59
"retbleed=ibpb spectre_v2=on",6715.81,6454.92,6443.67
"retbleed=ibpb spectre_v2=on nosmt",5529.72,4695.68,4701.67,4566.11,4812.84,4568.47,4761.3,4494.61,4634.1,4745.46,4768.57,4752.28,4627.1,4575.03,4603.51
"Stress-NG 0.14 - Test: System V Message Passing",
Higher Results Are Better
"Default",9579888.18,9616990.59,9654111.13
"mitigations=off",9791949.7,9845868.69,9872998.26
"retbleed=ibpb",6089488.4,6090471.96,6098669.19
"retbleed=ibpb spectre_v2=on",5818852.78,5819445.03,5820633.55
"retbleed=ibpb spectre_v2=on nosmt",4226955.73,4221103.95,4216725.55
"DaCapo Benchmark 9.12-MR1 - Java Test: H2",
Lower Results Are Better
"Default",3546,3619,3708,3703
"mitigations=off",3487,3664,3450,3664,3349,3548,3511,3561,3760,3559,3523,3465,3489,3472,3563,3482,3542,3566,3525,3506
"retbleed=ibpb",4005,3751,3767,3823,3881,3869
"retbleed=ibpb spectre_v2=on",4022,4002,3847,3768,3911,3996,3811,3895
"retbleed=ibpb spectre_v2=on nosmt",2547,2514,2678,2750,2738,2447,2746,2720,2456,2585,2565,2638,2645,2552,2397,2416,2731,2618,2557,2624
"DaCapo Benchmark 9.12-MR1 - Java Test: Tradesoap",
Lower Results Are Better
"Default",3518,3580,3466,3451
"mitigations=off",3374,3432,3333,3438
"retbleed=ibpb",3781,3657,3847,4007,3895,3909,3718,3884,3739,3707,3695,3826,3833,3926,3866,3920,3872,3996,3852,3751
"retbleed=ibpb spectre_v2=on",3887,3917,3640,4032,3922,3804,3890,3795,3958,3763,3913,3835,3770,3793,3809,3745,3734,3914
"retbleed=ibpb spectre_v2=on nosmt",3077,3118,3202,3180
"DaCapo Benchmark 9.12-MR1 - Java Test: Tradebeans",
Lower Results Are Better
"Default",4390,4377,4368,4414
"mitigations=off",3994,4041,4057,4054
"retbleed=ibpb",5263,5330,5136,5315
"retbleed=ibpb spectre_v2=on",5354,5364,5231,5330
"retbleed=ibpb spectre_v2=on nosmt",2859,2856,2882,2838
"Renaissance 0.14 - Test: ALS Movie Lens",
Lower Results Are Better
"Default",13198.870415,13108.66487,13180.64648
"mitigations=off",13025.619558,13067.724895,12964.073821
"retbleed=ibpb",16987.351757,16973.780527,16852.396674
"retbleed=ibpb spectre_v2=on",16884.369769,16943.42137,16921.353584
"retbleed=ibpb spectre_v2=on nosmt",15399.144096,15345.972743,15276.889647
"Renaissance 0.14 - Test: In-Memory Database Shootout",
Lower Results Are Better
"Default",4201.481107,4187.945387,4115.005957
"mitigations=off",3913.070149,3910.997355,3892.068304
"retbleed=ibpb",5616.722098,5478.929179,5439.160825
"retbleed=ibpb spectre_v2=on",5530.122536,5508.896586,5686.152637
"retbleed=ibpb spectre_v2=on nosmt",4053.938847,4112.09107,4048.033104
"Renaissance 0.14 - Test: Genetic Algorithm Using Jenetics + Futures",
Lower Results Are Better
"Default",2879.20668,2873.372644,2884.229471
"mitigations=off",2836.349705,2890.501323,2868.162943
"retbleed=ibpb",3196.784353,3188.916306,3153.920479
"retbleed=ibpb spectre_v2=on",3222.959114,3240.135319,3200.279462
"retbleed=ibpb spectre_v2=on nosmt",1679.797306,1696.715209,1695.600998
"Darktable 3.8.1 - Test: Boat - Acceleration: CPU-only",
Lower Results Are Better
"Default",3.146,3.141,3.138
"mitigations=off",3.095,3.084,3.081
"retbleed=ibpb",3.259,3.266,3.256
"retbleed=ibpb spectre_v2=on",3.271,3.265,3.274
"retbleed=ibpb spectre_v2=on nosmt",3.104,3.135,3.118
"Darktable 3.8.1 - Test: Masskrug - Acceleration: CPU-only",
Lower Results Are Better
"Default",3.691,3.702,3.687
"mitigations=off",3.614,3.61,3.612
"retbleed=ibpb",3.953,3.961,3.984
"retbleed=ibpb spectre_v2=on",3.988,3.977,3.995
"retbleed=ibpb spectre_v2=on nosmt",4.064,4.057,4.063
"Darktable 3.8.1 - Test: Server Rack - Acceleration: CPU-only",
Lower Results Are Better
"Default",0.224,0.225,0.226
"mitigations=off",0.223,0.223,0.222
"retbleed=ibpb",0.23,0.229,0.228
"retbleed=ibpb spectre_v2=on",0.231,0.231,0.228
"retbleed=ibpb spectre_v2=on nosmt",0.234,0.239,0.253,0.245,0.231,0.234,0.223,0.249,0.264,0.258,0.231,0.235,0.237,0.234,0.244
"Darktable 3.8.1 - Test: Server Room - Acceleration: CPU-only",
Lower Results Are Better
"Default",3.33,3.338,3.335
"mitigations=off",3.298,3.302,3.299
"retbleed=ibpb",3.426,3.422,3.419
"retbleed=ibpb spectre_v2=on",3.468,3.436,3.439
"retbleed=ibpb spectre_v2=on nosmt",3.209,3.216,3.195
"Stargate Digital Audio Workstation 21.10.9 - Sample Rate: 44100 - Buffer Size: 512",
Higher Results Are Better
"Default",3.964289,5.033448,4.906673,5.390937,5.163781,5.410181,5.187904,5.341348,5.361924,5.4373,5.200143,5.404714,5.148124,4.834199,5.204516
"mitigations=off",5.383989,5.090658,5.143687,5.040966,5.332944,5.363341,5.192977,5.427825,5.431905,5.250409,5.186116,5.267156
"retbleed=ibpb",4.759619,4.746351,4.707094
"retbleed=ibpb spectre_v2=on",5.232437,4.515995,4.703709,5.300701,4.805972,5.338051,5.363613,4.741054,5.320976,4.769359,4.660977,5.286964,4.668997,4.717011,4.735035
"retbleed=ibpb spectre_v2=on nosmt",4.712233,5.454723,5.452333,4.721305,4.781754,4.743577,5.458469,5.42906,4.69712,4.724678,4.749997,4.87367,5.460828,5.427825,5.442463
"Stargate Digital Audio Workstation 21.10.9 - Sample Rate: 96000 - Buffer Size: 512",
Higher Results Are Better
"Default",3.838983,3.860829,3.951327
"mitigations=off",3.980307,3.892728,3.885974
"retbleed=ibpb",3.832943,3.213526,3.865652,3.916655,3.966065,3.174951,3.936995,3.204078,3.830171,3.156122,2.391528,3.418588,3.219159,3.816374,3.86248
"retbleed=ibpb spectre_v2=on",3.162052,3.221747,3.164674
"retbleed=ibpb spectre_v2=on nosmt",3.255518,4.030295,3.350352,4.027549,4.034885,3.243094,4.033579,3.209511,4.041035,4.040156,3.356519,3.31815,4.019833,3.206748,3.234468
"Stargate Digital Audio Workstation 21.10.9 - Sample Rate: 44100 - Buffer Size: 1024",
Higher Results Are Better
"Default",5.535158,5.647066,5.665388
"mitigations=off",5.661389,5.656678,5.625914
"retbleed=ibpb",5.369963,5.26708,5.335443
"retbleed=ibpb spectre_v2=on",5.160156,5.282851,5.200705
"retbleed=ibpb spectre_v2=on nosmt",5.405858,5.70488,5.700304,5.37932,5.688857,5.306029,5.68216,5.327464,5.693763,5.692557,5.436217,5.321945,5.394743,5.350491,5.698317
"Stargate Digital Audio Workstation 21.10.9 - Sample Rate: 96000 - Buffer Size: 1024",
Higher Results Are Better
"Default",4.284248,4.245409,4.088109
"mitigations=off",4.282723,4.238314,4.265651
"retbleed=ibpb",3.757353,3.746805,3.991939,3.710705,3.953071,3.749955,3.805386,4.237886,4.221542,3.7762,4.240574,3.974363,3.927385,4.238972,3.725543
"retbleed=ibpb spectre_v2=on",3.86022,3.71811,4.20911,3.84103,3.789757,3.806641,3.820555,3.768028,3.798513,4.203138,4.226037,4.222626,4.198934,3.701256,3.824824
"retbleed=ibpb spectre_v2=on nosmt",3.811426,3.831348,3.819221
"Stargate Digital Audio Workstation 21.10.9 - Sample Rate: 480000 - Buffer Size: 1024",
Higher Results Are Better
"Default",5.480076,5.53728,5.372094
"mitigations=off",5.4581,5.535738,5.535878
"retbleed=ibpb",5.131609,5.472979,5.072152,5.127319,5.465623,5.490658,5.419689,5.516473,5.233429,5.056926,5.420184,5.222651,5.087169,5.161172,5.099587
"retbleed=ibpb spectre_v2=on",5.462182,5.0054,5.035741,5.484278,5.449915,5.029319,5.116269,5.079636,5.47026,5.118424,5.48481,5.420165,5.400723,5.267771,5.454046
"retbleed=ibpb spectre_v2=on nosmt",5.573264,5.197552,5.160393,5.562018,5.554292,5.154343,5.20364,5.534851,5.570789,5.556876,5.141063,5.567464,5.260917,5.172555,5.19897
"ASTC Encoder 4.0 - Preset: Medium",
Higher Results Are Better
"Default",79.5428,79.593,79.6657
"mitigations=off",79.7016,79.8244,79.8887
"retbleed=ibpb",79.5526,79.7564,79.766
"retbleed=ibpb spectre_v2=on",79.3606,79.4697,79.5716
"retbleed=ibpb spectre_v2=on nosmt",69.1698,69.2367,69.2941
"ASTC Encoder 4.0 - Preset: Thorough",
Higher Results Are Better
"Default",9.5652,9.5386,9.5211
"mitigations=off",9.5612,9.5442,9.5415
"retbleed=ibpb",9.5621,9.5569,9.5328
"retbleed=ibpb spectre_v2=on",9.5364,9.5137,9.5045
"retbleed=ibpb spectre_v2=on nosmt",8.4055,8.3671,8.3631
"ASTC Encoder 4.0 - Preset: Exhaustive",
Higher Results Are Better
"Default",1.0457,1.0446,1.0443
"mitigations=off",1.0459,1.0449,1.0446
"retbleed=ibpb",1.0468,1.0439,1.0438
"retbleed=ibpb spectre_v2=on",1.0441,1.0426,1.0419
"retbleed=ibpb spectre_v2=on nosmt",0.8896,0.8886,0.888
"RawTherapee - Total Benchmark Time",
Lower Results Are Better
"Default",54.421,54.403,54.401
"mitigations=off",53.026,53.1,53.165
"retbleed=ibpb",58.833,58.822,58.85
"retbleed=ibpb spectre_v2=on",59.157,59.113,59.177
"retbleed=ibpb spectre_v2=on nosmt",61.551,61.624,61.508
"LuaJIT 2.1-git - Test: Composite",
Higher Results Are Better
"Default",1643.33,1660.92,1660.48
"mitigations=off",1709.11,1748.53,1721.59
"retbleed=ibpb",1695.61,1716.01,1708.8
"retbleed=ibpb spectre_v2=on",1654.88,1648.18,1664.15
"retbleed=ibpb spectre_v2=on nosmt",1634.88,1641.34,1645.86
"Inkscape - Operation: SVG Files To PNG",
Lower Results Are Better
"Default",24.685,24.53,24.175
"mitigations=off",23.95,23.791,23.471
"retbleed=ibpb",31.989,31.835,32.283
"retbleed=ibpb spectre_v2=on",32.281,32.227,31.983
"retbleed=ibpb spectre_v2=on nosmt",32.249,32.153,32.075
"Google SynthMark 20201109 - Test: VoiceMark_100",
Higher Results Are Better
"Default",811.607,782.92,778.412
"mitigations=off",818.918,814.872,827.36
"retbleed=ibpb",780.391,782.307,783.836
"retbleed=ibpb spectre_v2=on",811.348,808.307,829.557
"retbleed=ibpb spectre_v2=on nosmt",757.095,767.185,758.999
"GNU Octave Benchmark 6.4.0 - ",
Lower Results Are Better
"Default",7.046,7.03,6.929,6.898,6.946
"mitigations=off",6.852,6.67,6.663,6.744,6.72
"retbleed=ibpb",8.89,8.963,9.086,9.049,8.974
"retbleed=ibpb spectre_v2=on",9.178,8.901,9.26,8.831,9.05
"retbleed=ibpb spectre_v2=on nosmt",9.055,8.846,8.927,9.081,8.903
"GROMACS 2022.1 - Implementation: MPI CPU - Input: water_GMX50_bare",
Higher Results Are Better
"Default",1.23,1.227,1.224
"mitigations=off",1.225,1.227,1.228
"retbleed=ibpb",1.231,1.229,1.207
"retbleed=ibpb spectre_v2=on",1.232,1.216,1.218
"retbleed=ibpb spectre_v2=on nosmt",1.232,1.232,1.232
"WireGuard + Linux Networking Stack Stress Test - ",
Lower Results Are Better
"Default",213.876,213.087,215.812
"mitigations=off",199.82,199.259,201.334
"retbleed=ibpb",299.559,304.335,303.562
"retbleed=ibpb spectre_v2=on",305.693,306.023,307.38
"retbleed=ibpb spectre_v2=on nosmt",302.311,302.269,302.92
"PostMark 1.51 - Disk Transaction Performance",
Higher Results Are Better
"Default",5952,5813,5952
"mitigations=off",7575,7812,7352,7352,7352,7812,7352,7352,7352,7352,7812,7352,7812,7575,7352
"retbleed=ibpb",2577,2525,2631
"retbleed=ibpb spectre_v2=on",2577,2450,2577,2475,2450,2475
"retbleed=ibpb spectre_v2=on nosmt",2450,2450,2450
"Primesieve 8.0 - Length: 1e12",
Lower Results Are Better
"Default",10.761,10.708,10.719
"mitigations=off",10.703,10.728,10.737
"retbleed=ibpb",10.711,10.789,10.727
"retbleed=ibpb spectre_v2=on",10.831,10.801,10.823
"retbleed=ibpb spectre_v2=on nosmt",11.405,11.364,11.277
"Timed Linux Kernel Compilation 5.18 - Build: defconfig",
Lower Results Are Better
"Default",54.355,53.399,53.264
"mitigations=off",53.036,51.995,52.101
"retbleed=ibpb",67.225,65.672,65.885
"retbleed=ibpb spectre_v2=on",67.988,66.569,66.571
"retbleed=ibpb spectre_v2=on nosmt",82.678,81.3,81.564
"SVT-AV1 1.2 - Encoder Mode: Preset 10 - Input: Bosphorus 4K",
Higher Results Are Better
"Default",77.787,77.809,80.132
"mitigations=off",78.431,82.407,80.614
"retbleed=ibpb",75.892,77.741,77.133
"retbleed=ibpb spectre_v2=on",76.33,77.984,77.37
"retbleed=ibpb spectre_v2=on nosmt",75.186,76.709,76.65
"SVT-AV1 1.2 - Encoder Mode: Preset 12 - Input: Bosphorus 4K",
Higher Results Are Better
"Default",107.148,107.526,106.297
"mitigations=off",107.925,108.764,108.306
"retbleed=ibpb",102.68,104.432,103.679
"retbleed=ibpb spectre_v2=on",101.105,102.231,103.309
"retbleed=ibpb spectre_v2=on nosmt",102.379,102.1,101.489
"SVT-AV1 1.2 - Encoder Mode: Preset 10 - Input: Bosphorus 1080p",
Higher Results Are Better
"Default",251.605,251.886,251.954
"mitigations=off",259.714,258.941,262.297
"retbleed=ibpb",235.067,242.916,238.652
"retbleed=ibpb spectre_v2=on",237.95,244.716,239.718
"retbleed=ibpb spectre_v2=on nosmt",244.425,247.553,251.173
"SVT-AV1 1.2 - Encoder Mode: Preset 12 - Input: Bosphorus 1080p",
Higher Results Are Better
"Default",346.811,316.832,336.221,349.454,322.698,342.099,340.726,338.822,325.094,316.141,346.278,323.211,339.334,349.641,334.251
"mitigations=off",344.88,345.838,341.216
"retbleed=ibpb",311.086,319.105,305.155
"retbleed=ibpb spectre_v2=on",301.314,305.965,327.533,314.835,315.755,304.076,311.296,326.006,337.02,324.01,312.748,331.094,308.66,315.014,321.549
"retbleed=ibpb spectre_v2=on nosmt",382.217,384.185,386.545
"libavif avifenc 0.10 - Encoder Speed: 6",
Lower Results Are Better
"Default",6.611,6.64,6.722
"mitigations=off",6.445,6.357,6.394
"retbleed=ibpb",7.184,7.101,7.111
"retbleed=ibpb spectre_v2=on",7.368,7.199,7.315
"retbleed=ibpb spectre_v2=on nosmt",8.165,8.161,8.148
"libavif avifenc 0.10 - Encoder Speed: 6, Lossless",
Lower Results Are Better
"Default",9.914,9.782,9.874
"mitigations=off",9.498,9.576,9.722
"retbleed=ibpb",10.66,10.747,10.74
"retbleed=ibpb spectre_v2=on",10.745,10.861,11.05
"retbleed=ibpb spectre_v2=on nosmt",12.126,12.107,11.859
"libavif avifenc 0.10 - Encoder Speed: 10, Lossless",
Lower Results Are Better
"Default",5.686,5.761,5.702
"mitigations=off",5.548,5.748,5.364,5.588,5.48,5.378,5.653,5.465
"retbleed=ibpb",6.853,6.443,6.605,6.742,6.38,6.53,6.531,6.533
"retbleed=ibpb spectre_v2=on",6.779,6.552,6.784
"retbleed=ibpb spectre_v2=on nosmt",7.038,6.828,6.931
"Timed Godot Game Engine Compilation 3.2.3 - Time To Compile",
Lower Results Are Better
"Default",75.506,73.775,73.964
"mitigations=off",73.638,72.649,72.575
"retbleed=ibpb",87.47,86.401,86.718
"retbleed=ibpb spectre_v2=on",88.594,87.978,87.572
"retbleed=ibpb spectre_v2=on nosmt",103.726,102.709,103.624
"Timed Mesa Compilation 21.0 - Time To Compile",
Lower Results Are Better
"Default",33.404,33.508,33.321
"mitigations=off",33.428,33.174,33.175
"retbleed=ibpb",36.496,36.127,36.339
"retbleed=ibpb spectre_v2=on",36.571,36.21,36.451
"retbleed=ibpb spectre_v2=on nosmt",37.063,37.261,37.253
"LibreOffice - Test: 20 Documents To PDF",
Lower Results Are Better
"Default",7.629,7.01,6.997,7.003,6.761,6.93,6.983,6.706,6.908,7.052,6.627,6.927,6.948,6.752,6.897,6.703,6.89,6.955,6.988,6.941,6.738,6.929,6.922,6.701,6.986
"mitigations=off",7.096,6.874,6.633,6.7,6.635,6.643,6.651,6.506,6.63,6.7
"retbleed=ibpb",8.058,7.776,7.371,7.284,7.697,7.421,7.485,7.702,7.495,7.314,7.46,7.275,7.603,7.399,7.541,7.422,7.634,7.69,7.601,7.691,7.775,7.64,7.72,7.628
"retbleed=ibpb spectre_v2=on",7.937,7.226,7.713,7.447,7.666,7.382,7.416,7.528,7.441,7.344,7.468,7.678,7.428,7.68
"retbleed=ibpb spectre_v2=on nosmt",8.322,7.869,7.841,7.89,7.816,7.808
"PyPerformance 1.0.0 - Benchmark: regex_compile",
Lower Results Are Better
"Default",151,151,151
"mitigations=off",150,150,150
"retbleed=ibpb",147,149,148
"retbleed=ibpb spectre_v2=on",147,147,147
"retbleed=ibpb spectre_v2=on nosmt",155,155,154
"PyPerformance 1.0.0 - Benchmark: python_startup",
Lower Results Are Better
"Default",7.44,7.45,7.44
"mitigations=off",7.16,7.17,7.19
"retbleed=ibpb",10.1,10.1,10
"retbleed=ibpb spectre_v2=on",10.1,10.1,10
"retbleed=ibpb spectre_v2=on nosmt",9.91,9.91,9.9
"PyPerformance 1.0.0 - Benchmark: django_template",
Lower Results Are Better
"Default",38.2,37.9,37.9
"mitigations=off",37.9,38,38
"retbleed=ibpb",36.9,37,37.1
"retbleed=ibpb spectre_v2=on",37,37,37.3
"retbleed=ibpb spectre_v2=on nosmt",38.4,38.4,38.4
"LuaRadio 0.9.1 - Test: Five Back to Back FIR Filters",
Higher Results Are Better
"Default",858.2,871,877.5
"mitigations=off",980.2,938,935.3,882.8,888.9,942,943.5,937.3,873.9
"retbleed=ibpb",879.1,823.2,821.5,879.8,898.1,828.2,843.4,961.8,837.7
"retbleed=ibpb spectre_v2=on",816.7,821.3,871.8,894.7,818.7,818.2,834.1,836.8,832.9
"retbleed=ibpb spectre_v2=on nosmt",650,648.6,652
"nginx 1.21.1 - Concurrent Requests: 1",
Higher Results Are Better
"Default",49516.46,48859.06,49773.11
"mitigations=off",55718.95,57034.1,57084.63
"retbleed=ibpb",19532.79,19594.83,21212.68,21741.82,20755.74,20169.26,19517.43,20838.48,20060.67,22681.61,20731.28,21156.06,20904.09,21186.73,20602.47
"retbleed=ibpb spectre_v2=on",20738.51,20705.24,20550.24
"retbleed=ibpb spectre_v2=on nosmt",29889.58,29787.72,29813.46
"nginx 1.21.1 - Concurrent Requests: 20",
Higher Results Are Better
"Default",261729.76,260420.98,259155.89
"mitigations=off",296023.17,293442.37,291809.99
"retbleed=ibpb",225686.18,225688.64,225287.42
"retbleed=ibpb spectre_v2=on",218816.67,218861.31,217912.31
"retbleed=ibpb spectre_v2=on nosmt",267146.7,266598.5,266056.43
"nginx 1.21.1 - Concurrent Requests: 100",
Higher Results Are Better
"Default",256514.94,254717.07,254777.9
"mitigations=off",299117.2,297814.44,300115.52
"retbleed=ibpb",220356.77,220836.5,219481.69
"retbleed=ibpb spectre_v2=on",214361.3,213607.62,213299.06
"retbleed=ibpb spectre_v2=on nosmt",267873.37,266947.62,267052.76
"nginx 1.21.1 - Concurrent Requests: 200",
Higher Results Are Better
"Default",256385.04,256732.08,256488.8
"mitigations=off",301268.9,301305.3,300873.57
"retbleed=ibpb",222009,221085.94,222121.49
"retbleed=ibpb spectre_v2=on",215210.19,214179.02,214642.3
"retbleed=ibpb spectre_v2=on nosmt",265212.44,265391.45,266194.66
"nginx 1.21.1 - Concurrent Requests: 500",
Higher Results Are Better
"Default",256772.67,257791.01,257470.63
"mitigations=off",299209.9,301321.96,297412.83
"retbleed=ibpb",222457.44,221399.92,220666
"retbleed=ibpb spectre_v2=on",216310.7,215303.45,214612.58
"retbleed=ibpb spectre_v2=on nosmt",263736.47,263470.31,263473.82
"nginx 1.21.1 - Concurrent Requests: 1000",
Higher Results Are Better
"Default",256880.04,256824.56,257684.94
"mitigations=off",297612.41,297312.11,300183.4
"retbleed=ibpb",222861.76,222652.87,222467.03
"retbleed=ibpb spectre_v2=on",215253.55,214737.16,215714.09
"retbleed=ibpb spectre_v2=on nosmt",263820.12,263279.4,263989.65
"Apache HTTP Server 2.4.48 - Concurrent Requests: 1",
Higher Results Are Better
"Default",9406.02,9506,9717.84
"mitigations=off",10354.94,10930.99,10646,10502.73
"retbleed=ibpb",5514.81,5478.27,5576.18
"retbleed=ibpb spectre_v2=on",5436.97,5483.68,5397.32
"retbleed=ibpb spectre_v2=on nosmt",10130.02,10138.75,10118.7
"Apache HTTP Server 2.4.48 - Concurrent Requests: 20",
Higher Results Are Better
"Default",61825.67,61720.54,61453.02
"mitigations=off",65562.74,65570.45,65827.29
"retbleed=ibpb",60635.77,60539.58,60599.68
"retbleed=ibpb spectre_v2=on",58948.78,59307.45,59009.43
"retbleed=ibpb spectre_v2=on nosmt",47503.12,47729.11,47802.54
"Apache HTTP Server 2.4.48 - Concurrent Requests: 100",
Higher Results Are Better
"Default",56902.13,56597.95,56638.77
"mitigations=off",57929.13,57760.49,57806.72
"retbleed=ibpb",56545.53,56483.27,56480.6
"retbleed=ibpb spectre_v2=on",55276.52,55354.79,55411.16
"retbleed=ibpb spectre_v2=on nosmt",56730.82,57170.2,58097.58
"Apache HTTP Server 2.4.48 - Concurrent Requests: 200",
Higher Results Are Better
"Default",52902.45,52804.93,52579.54
"mitigations=off",54831.76,54815.04,54700.42
"retbleed=ibpb",51831.4,51584.5,51562.32
"retbleed=ibpb spectre_v2=on",51599.64,51500.65,51607.11
"retbleed=ibpb spectre_v2=on nosmt",59703.79,60798.96,60873.35
"Apache HTTP Server 2.4.48 - Concurrent Requests: 500",
Higher Results Are Better
"Default",55148.25,55155.76,55200.88
"mitigations=off",55854.44,56210.25,56002.06
"retbleed=ibpb",55063.13,55064.05,55266.61
"retbleed=ibpb spectre_v2=on",55115.61,55701.71,55253.08
"retbleed=ibpb spectre_v2=on nosmt",60622.2,60839.73,60877.24
"Apache HTTP Server 2.4.48 - Concurrent Requests: 1000",
Higher Results Are Better
"Default",54717.88,55256.72,54814.46
"mitigations=off",55459.88,55610.56,55692.3
"retbleed=ibpb",54968.01,55205.04,55313.21
"retbleed=ibpb spectre_v2=on",55155.49,55296.86,54929.44
"retbleed=ibpb spectre_v2=on nosmt",60285.31,60667.95,60426.39
"Node.js Express HTTP Load Test - ",
Higher Results Are Better
"Default",6810,6929,6850
"mitigations=off",7148,6996,7048
"retbleed=ibpb",4499,4536,4641
"retbleed=ibpb spectre_v2=on",4549,4531,4515
"retbleed=ibpb spectre_v2=on nosmt",4518,4568,4544
"Apache Spark 3.3 - Row Count: 20000000 - Partitions: 100 - Calculate Pi Benchmark",
Lower Results Are Better
"Default",106.206677985,106.243987732,104.661011602
"mitigations=off",91.344662812,91.667379672001,91.719844081001
"retbleed=ibpb",94.404650405,93.957448452,94.126690985999
"retbleed=ibpb spectre_v2=on",108.751876435,109.618610991,109.187579725
"retbleed=ibpb spectre_v2=on nosmt",103.490873362,103.612471546,103.577570693
"Apache Spark 3.3 - Row Count: 20000000 - Partitions: 100 - Group By Test Time",
Lower Results Are Better
"Default",12.761306883003,12.983364405001,12.646326238999
"mitigations=off",12.212877226,12.257435079,12.299019733999
"retbleed=ibpb",13.173998374999,13.281714712,13.029998465001
"retbleed=ibpb spectre_v2=on",13.194184851001,13.601653915,13.09287911
"retbleed=ibpb spectre_v2=on nosmt",13.573165127,12.699230814002,12.771248135999
"Apache Spark 3.3 - Row Count: 20000000 - Partitions: 500 - Calculate Pi Benchmark",
Lower Results Are Better
"Default",104.859399891,104.817321647,105.736937276
"mitigations=off",90.941113249,91.549665672999,91.099671475
"retbleed=ibpb",94.539768774001,94.476029881,94.425127634
"retbleed=ibpb spectre_v2=on",108.664365694,109.518755947,108.610287247
"retbleed=ibpb spectre_v2=on nosmt",103.72187022,103.549655333,103.513634375
"Apache Spark 3.3 - Row Count: 20000000 - Partitions: 500 - Repartition Test Time",
Lower Results Are Better
"Default",21.360902004999,21.593342772001,21.148553646999
"mitigations=off",21.599124663,20.470525414999,20.804380169999
"retbleed=ibpb",20.715306181,21.735026648999,21.564543326
"retbleed=ibpb spectre_v2=on",21.023052726001,21.14317241,21.694387495001
"retbleed=ibpb spectre_v2=on nosmt",18.258099223001,18.989275245001,18.424665415001
"Apache Spark 3.3 - Row Count: 20000000 - Partitions: 500 - Inner Join Test Time",
Lower Results Are Better
"Default",25.072525004001,23.900340143002,23.920986783
"mitigations=off",23.729052531,23.471633444,23.830454905999
"retbleed=ibpb",24.140053952,25.058018274001,24.358675803
"retbleed=ibpb spectre_v2=on",24.710892360999,23.579450869,23.852146015
"retbleed=ibpb spectre_v2=on nosmt",21.106836278001,21.988104385,21.444619342999
"InfluxDB 1.8.2 - Concurrent Streams: 4 - Batch Size: 10000 - Tags: 2,5000,1 - Points Per Series: 10000",
Higher Results Are Better
"Default",846854.7,848000.6,854258
"mitigations=off",843743.1,835202.6,824895.9
"retbleed=ibpb",905956,890482.8,923597.7
"retbleed=ibpb spectre_v2=on",885043.3,886797.6,897724.1
"retbleed=ibpb spectre_v2=on nosmt",1363779.3,1333760.6,1328520.9
"InfluxDB 1.8.2 - Concurrent Streams: 64 - Batch Size: 10000 - Tags: 2,5000,1 - Points Per Series: 10000",
Higher Results Are Better
"Default",1240601.1,1240670.1,1237459.9
"mitigations=off",1249325.6,1245444.6,1245062.2
"retbleed=ibpb",1281289.1,1270954.4,1271921.3
"retbleed=ibpb spectre_v2=on",1260711.8,1276548.3,1267096
"retbleed=ibpb spectre_v2=on nosmt",1446069.4,1445813.7,1442979.9
"Memtier_benchmark 1.3 - Protocol: Redis",
Higher Results Are Better
"Default",2284011.72,2427267.96,2262737.09,2151641.69,2301529.56,2155461.8,2321125.08,2164927.51,2136728.7,2148495.79,2118996.05,2319208.73,2264660.67,2155560.59,2096007.17
"mitigations=off",2280971.72,2156114.28,2380782.72,2273764.48,2211155.81,2124071.31,2135754.8,2108172.63,2237532.73,2218289.39,2301143.71,2137851.22,2147960.81,2364688.61,2199287.88
"retbleed=ibpb",2020378.3,2019938.42,1978356.56
"retbleed=ibpb spectre_v2=on",1974329.66,1972163.11,2019743.93
"retbleed=ibpb spectre_v2=on nosmt",1936681.61,1939707.3,1936765.09
"KeyDB 6.2.0 - ",
Higher Results Are Better
"Default",557133.81,554623.58,554113.35
"mitigations=off",600181.76,602640.6,600018.01
"retbleed=ibpb",301052.37,301280.47,301021.08
"retbleed=ibpb spectre_v2=on",296948.91,297267.5,298686.6
"retbleed=ibpb spectre_v2=on nosmt",337774.58,337385.67,336162.89
"Redis 6.0.9 - Test: GET",
Higher Results Are Better
"Default",2405033.25,2455835,2574035.5,2797220.75,2733004.75,2539368.25,2599428.25,2619180.75,2557561,2671662.25,2557577.5,2478953,2608947.5,2673107.75,2540037.5
"mitigations=off",2503169,2504438.75,2478354.5
"retbleed=ibpb",1631071,1628701,1621271
"retbleed=ibpb spectre_v2=on",1677008.25,1563512.25,1624183.25,1621039.38,1616814.88
"retbleed=ibpb spectre_v2=on nosmt",1553790,1582288.62,1585544.88
"Redis 6.0.9 - Test: SET",
Higher Results Are Better
"Default",1826501.62,1905887.5,1827180.75
"mitigations=off",2014929.75,1984984.5,1900797.5,1900785.38,1878651.88,1980603,1900424.12,2011269.5,1880064.75,1998078.62,1954658.25,1876590.75,1910968.12,1897575.75,2007245.38
"retbleed=ibpb",1385809.25,1350260.88,1386206.75
"retbleed=ibpb spectre_v2=on",1373823.88,1335300.38,1384697.88
"retbleed=ibpb spectre_v2=on nosmt",1312189,1341591.62,1328588.88
"SQLite Speedtest 3.30 - Timed Time - Size 1,000",
Lower Results Are Better
"Default",61.292,60.605,59.147
"mitigations=off",55.579,54.81,54.603
"retbleed=ibpb",130.697,126.321,126.382
"retbleed=ibpb spectre_v2=on",131.555,131.417,131.638
"retbleed=ibpb spectre_v2=on nosmt",135.067,134.644,134.582
"Apache Cassandra 4.0 - Test: Writes",
Higher Results Are Better
"Default",159737,155235,154287
"mitigations=off",168286,165542,166521
"retbleed=ibpb",125282,123445,122446
"retbleed=ibpb spectre_v2=on",123106,122250,120701
"retbleed=ibpb spectre_v2=on nosmt",71552,72092,71470
"ebizzy 0.3 - ",
Higher Results Are Better
"Default",1428953,1399953,1411966
"mitigations=off",1381359,1424746,1423662
"retbleed=ibpb",1388343,1313514,1341109,1381828,1355027
"retbleed=ibpb spectre_v2=on",1379372,1371467,1357576
"retbleed=ibpb spectre_v2=on nosmt",1246808,1292635,1278113
"Node.js V8 Web Tooling Benchmark - ",
Higher Results Are Better
"Default",11.38,11.35,11.43
"mitigations=off",10.9,11.12,11.18
"retbleed=ibpb",11.01,10.45,10.57,10.82
"retbleed=ibpb spectre_v2=on",10.85,10.47,10.81
"retbleed=ibpb spectre_v2=on nosmt",10.95,10.92,10.84
"PyBench 2018-02-16 - Total For Average Test Times",
Lower Results Are Better
"Default",966,956,936
"mitigations=off",939,915,936
"retbleed=ibpb",961,931,952
"retbleed=ibpb spectre_v2=on",911,936,905
"retbleed=ibpb spectre_v2=on nosmt",976,979,976
"Geometric Mean Of All Test Results - Result Composite - Ryzen 9 3950X Linux 6.0 Mitigations Benchmark",
Higher Results Are Better
"Default",
"mitigations=off",
"retbleed=ibpb",
"retbleed=ibpb spectre_v2=on",
"retbleed=ibpb spectre_v2=on nosmt",