Fresh tests of Linux 5.9 given the FSGSBASE work and other changes. So kernel with default mitigations for Core i9 9900K compared to booting with mitigations=off.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 2010099-PTS-59MITIGA72
Core i9 9900K -Linux 5.9 Mitigation Impact,
"Stress-NG 0.11.07 - Test: MMAP",
Higher Results Are Better
"Default Kernel",134.83,138.62,139.56
"No Mitigations",149.42,137.82,142.89,138.42,143.66,141.59
"Stress-NG 0.11.07 - Test: MEMFD",
Higher Results Are Better
"Default Kernel",797.45,782.78,788.19
"No Mitigations",858.15,848.54,838.23
"Stress-NG 0.11.07 - Test: Forking",
Higher Results Are Better
"Default Kernel",56160.89,58168.56,57626.65
"No Mitigations",63670.09,64429.48,62839.54
"Stress-NG 0.11.07 - Test: SENDFILE",
Higher Results Are Better
"Default Kernel",107304.31,107187.48,106427.75
"No Mitigations",134582.24,134061.37,132094.61
"Stress-NG 0.11.07 - Test: Context Switching",
Higher Results Are Better
"Default Kernel",3274232.49,2976022.66,2999321.77,2960164.15,3119597.98,2539839.46,3216287.03,2667479.39,3144543.12,2886933.66,2515223.46,3231720.02
"No Mitigations",4400828.25,4195861.07,4208949.52
"Stress-NG 0.11.07 - Test: System V Message Passing",
Higher Results Are Better
"Default Kernel",8585615.67,8543738.78,8565109.27
"No Mitigations",10438473.61,10231630.96,10248776.02
"Selenium - Benchmark: Octane - Browser: Firefox",
Higher Results Are Better
"Default Kernel",37192,37285,36833
"No Mitigations",43295,43819,43226
"Selenium - Benchmark: Octane - Browser: Google Chrome",
Higher Results Are Better
"Default Kernel",43290,43648,43523
"No Mitigations",56570,56353,56509
"SPECjbb 2015 - SPECjbb2015-Composite max-jOPS ",
Higher Results Are Better
"Default Kernel",
"No Mitigations",
"SPECjbb 2015 - SPECjbb2015-Composite critical-jOPS",
Higher Results Are Better
"Default Kernel",
"No Mitigations",
"Compile Bench 0.6 - Test: Compile",
Higher Results Are Better
"Default Kernel",1396.18,1599.95,1609.55,1612.65,1604.61,1298.7,1544.83,1598.16,1620.28,1563.17,1554.68,1474.48,1531.08,1395.72,1599.92
"No Mitigations",1735.7,1726.27,1709.38
"Compile Bench 0.6 - Test: Initial Create",
Higher Results Are Better
"Default Kernel",538.33,560.03,553.36
"No Mitigations",652.12,654.38,648.77
"Compile Bench 0.6 - Test: Read Compiled Tree",
Higher Results Are Better
"Default Kernel",3353.35,3476.54,3476.54
"No Mitigations",4234.89,4005.55,4169.74
"LevelDB 1.22 - Benchmark: Overwrite",
Higher Results Are Better
"Default Kernel",41.5,41,41.1
"No Mitigations",46.6,46.4,46.5
"LevelDB 1.22 - Benchmark: Random Fill",
Higher Results Are Better
"Default Kernel",41.2,41.2,38.7,41.1,41.1
"No Mitigations",47,46.8,46.6
"LevelDB 1.22 - Benchmark: Sequential Fill",
Higher Results Are Better
"Default Kernel",42.4,43.7,43.4
"No Mitigations",50,48.9,50.3
"KeyDB 5.3.1 - ",
Higher Results Are Better
"Default Kernel",632853.87,629814.22,622309.03
"No Mitigations",795527.19,783432.7,785067.8
"Redis 5.0.5 - Test: SADD",
Higher Results Are Better
"Default Kernel",2915452,2906976.75,2890173.5
"No Mitigations",2949852.5,3039513.75,3039513.75
"Redis 5.0.5 - Test: LPUSH",
Higher Results Are Better
"Default Kernel",2257336.5,2237136.5,2217295
"No Mitigations",2325581.25,2057613.12,2352941,2336448.5,2364066.25,2237136.5,2320185.75,2288329.5,2277904.25,2123142.25,2309468.75,2320185.75,2331002.5,2309468.75,2267573.5
"Redis 5.0.5 - Test: SET",
Higher Results Are Better
"Default Kernel",2624671.75,2631579,2481389.5,2638522.25
"No Mitigations",2724795.5,2695417.75,2785515.25
"Selenium - Benchmark: StyleBench - Browser: Firefox",
Higher Results Are Better
"Default Kernel",
"No Mitigations",112,111,111
"Selenium - Benchmark: StyleBench - Browser: Google Chrome",
Higher Results Are Better
"Default Kernel",33.9,34,33.4
"No Mitigations",36.8,36.7,36.3
"Selenium - Benchmark: Speedometer - Browser: Firefox",
Higher Results Are Better
"Default Kernel",93.29,93.26,94
"No Mitigations",107,107,108.1
"Selenium - Benchmark: Speedometer - Browser: Google Chrome",
Higher Results Are Better
"Default Kernel",
"No Mitigations",139,139.4,138
"Numpy Benchmark - ",
Higher Results Are Better
"Default Kernel",441.05,439.38,433.58
"No Mitigations",444.51,444.56,445.24
"Selenium - Benchmark: Jetstream 2 - Browser: Firefox",
Higher Results Are Better
"Default Kernel",98.577,96.878,97.426
"No Mitigations",110.348,108.832,111.202
"Selenium - Benchmark: Jetstream 2 - Browser: Google Chrome",
Higher Results Are Better
"Default Kernel",117.349,114.431,115.385
"No Mitigations",149.576,148.872,147.558
"PostMark 1.51 - Disk Transaction Performance",
Higher Results Are Better
"Default Kernel",
"No Mitigations",
"ctx_clock - Context Switch Time",
Lower Results Are Better
"Default Kernel",
"No Mitigations",144,144,146
"LevelDB 1.22 - Benchmark: Fill Sync",
Lower Results Are Better
"Default Kernel",4044.452,4112.769,4077.521
"No Mitigations",4040.465,4031.647,4043.35
"LevelDB 1.22 - Benchmark: Overwrite",
Lower Results Are Better
"Default Kernel",42.63,43.098,43.056
"No Mitigations",37.951,38.089,38.075
"LevelDB 1.22 - Benchmark: Random Fill",
Lower Results Are Better
"Default Kernel",42.923,42.899,45.724,42.989,43.069
"No Mitigations",37.663,37.827,37.935
"LevelDB 1.22 - Benchmark: Random Delete",
Lower Results Are Better
"Default Kernel",40.427,40.141,40.113
"No Mitigations",35.38,35.483,35.525
"LevelDB 1.22 - Benchmark: Sequential Fill",
Lower Results Are Better
"Default Kernel",41.777,40.512,40.789
"No Mitigations",35.377,36.187,35.161
"PyPerformance 1.0.0 - Benchmark: pathlib",
Lower Results Are Better
"Default Kernel",15.7,15.6,15.7
"No Mitigations",14.5,14.6,14.6
"PyPerformance 1.0.0 - Benchmark: python_startup",
Lower Results Are Better
"Default Kernel",7.11,7.08,7.1
"No Mitigations",6.78,6.78,6.78
"Renaissance 0.10.0 - Test: Apache Spark Bayes",
Lower Results Are Better
"Default Kernel",1628.482,2466.576,1497.3,1545.279,2529.509,1641.33,2664.492,2516.586,2415.069,1620.583,1575.445,2405.019,1588.656,2468.546,1599.852,2501.628,2507.42,2526.544,2451.454,1614.615,2537.433,2438.353,2432.386,2502.356,1631.864
"No Mitigations",1606.195,1519.695,1591.347,1609.574,1626.983
"Renaissance 0.10.0 - Test: Savina Reactors.IO",
Lower Results Are Better
"Default Kernel",12781.745,13276.712,13233.197,12889.437,13088.432
"No Mitigations",11823.534,11727.731,12358.549,12229.184,12217.529
"Renaissance 0.10.0 - Test: Twitter HTTP Requests",
Lower Results Are Better
"Default Kernel",2283.156,2263.02,2354.799,2283.447,2281.279
"No Mitigations",2216.378,2203.815,2248.189,2178.92,2195.768
"Renaissance 0.10.0 - Test: Akka Unbalanced Cobwebbed Tree",
Lower Results Are Better
"Default Kernel",8103.494,8172.602,8712.494,8450.646,8763.725,8806.607,8515.7,8675.959,8353.881,7979.888,8142.478,8078.719,8086.183,8601.798,8095.172,7806.998,8195.587,8756.946,8256.71,8456.276
"No Mitigations",7652.63,8027.474,8199.49,8152.953,8157.541
"Selenium - Benchmark: ARES-6 - Browser: Firefox",
Lower Results Are Better
"Default Kernel",42.63,42.35,41.98
"No Mitigations",33.78,33.7,33.45
"Selenium - Benchmark: Kraken - Browser: Firefox",
Lower Results Are Better
"Default Kernel",818.4,830.3,831.8
"No Mitigations",735.4,731.4,728
"Selenium - Benchmark: ARES-6 - Browser: Google Chrome",
Lower Results Are Better
"Default Kernel",24.72,24.67,24.81
"No Mitigations",17.38,17.6,17.28
"Selenium - Benchmark: Kraken - Browser: Google Chrome",
Lower Results Are Better
"Default Kernel",925.1,912.5,909.7
"No Mitigations",769.1,778.3,893.6,770,790.6,784.5,777.4,786.5,796.7,778.7,763.8,776.2,793.8
"Selenium - Benchmark: WASM imageConvolute - Browser: Firefox",
Lower Results Are Better
"Default Kernel",27.4,27.8,28.4
"No Mitigations",25,25.2,25.3
"Selenium - Benchmark: WASM imageConvolute - Browser: Google Chrome",
Lower Results Are Better
"Default Kernel",52.4925,53.068,52.226
"No Mitigations",29.483,29.234,29.2135
"Selenium - Benchmark: PSPDFKit WASM - Browser: Firefox",
Lower Results Are Better
"Default Kernel",1270,1287,1290
"No Mitigations",
"Selenium - Benchmark: PSPDFKit WASM - Browser: Google Chrome",
Lower Results Are Better
"Default Kernel",1889,1873,1892
"No Mitigations",1250,1245,1296
"SQLite 3.30.1 - Threads / Copies: 1",
Lower Results Are Better
"Default Kernel",33.072,31.935,34.831,33.131,32.992,32.887
"No Mitigations",32.239,34.838,32.437,32.283,32.696,32.492,32.328
"WireGuard + Linux Networking Stack Stress Test - ",
Lower Results Are Better
"Default Kernel",165.442,158.715,162.524
"No Mitigations",151.336,147.468,145.543
"Bork File Encrypter 1.4 - File Encryption Time",
Lower Results Are Better
"Default Kernel",6.187,6.263,6.195
"No Mitigations",6.293,5.962,5.988,5.964
"libavif avifenc 0.7.3 - Encoder Speed: 8",
Lower Results Are Better
"Default Kernel",5.057,5.044,5.07
"No Mitigations",4.907,4.892,4.871
"libavif avifenc 0.7.3 - Encoder Speed: 10",
Lower Results Are Better
"Default Kernel",4.833,4.783,4.759
"No Mitigations",4.628,4.638,4.612
"Timed Apache Compilation 2.4.41 - Time To Compile",
Lower Results Are Better
"Default Kernel",20.271,20.111,20.095
"No Mitigations",19.74,19.759,19.725
"Timed GDB GNU Debugger Compilation 9.1 - Time To Compile",
Lower Results Are Better
"Default Kernel",101.471,102.161,102.079
"No Mitigations",99.944,99.454,100.956
"Timed ImageMagick Compilation 6.9.0 - Time To Compile",
Lower Results Are Better
"Default Kernel",29.336,31.166,31.078,30.652
"No Mitigations",28.94,30.376,30.496
"Timed Linux Kernel Compilation 5.4 - Time To Compile",
Lower Results Are Better
"Default Kernel",94.107,93.044,92.975
"No Mitigations",92.671,90.99,91.53
"Timed PHP Compilation 7.4.2 - Time To Compile",
Lower Results Are Better
"Default Kernel",58.041,59.059,58.932
"No Mitigations",57.736,58.138,58.129
"Build2 0.12 - Time To Compile",
Lower Results Are Better
"Default Kernel",115.2,116.914,116.638
"No Mitigations",113.612,114.085,114.357
"SQLite Speedtest 3.30 - Timed Time - Size 1,000",
Lower Results Are Better
"Default Kernel",52.716,52.6,52.602
"No Mitigations",47.013,46.968,47.131
"Darktable 3.0.1 - Test: Boat - Acceleration: CPU-only",
Lower Results Are Better
"Default Kernel",13.224,13.328,13.398
"No Mitigations",13.046,13.093,13.085
"Darktable 3.0.1 - Test: Masskrug - Acceleration: CPU-only",
Lower Results Are Better
"Default Kernel",5.52,5.488,5.521
"No Mitigations",5.36,5.39,5.383
"Darktable 3.0.1 - Test: Server Rack - Acceleration: CPU-only",
Lower Results Are Better
"Default Kernel",0.206,0.204,0.192,0.188,0.194,0.173,0.173,0.173,0.173,0.173,0.173,0.172
"No Mitigations",0.166,0.165,0.165
"Darktable 3.0.1 - Test: Server Room - Acceleration: CPU-only",
Lower Results Are Better
"Default Kernel",4.166,4.204,4.211
"No Mitigations",4.119,4.15,4.108
"GEGL - Operation: Crop",
Lower Results Are Better
"Default Kernel",8.359,8.23,8.216
"No Mitigations",7.951,7.873,7.853
"GEGL - Operation: Scale",
Lower Results Are Better
"Default Kernel",6.123,6.096,6.04
"No Mitigations",5.796,5.72,5.754
"GEGL - Operation: Reflect",
Lower Results Are Better
"Default Kernel",28.078,28.06,28.148
"No Mitigations",27.722,27.642,27.651
"GIMP 2.10.18 - Test: resize",
Lower Results Are Better
"Default Kernel",7.413,7.308,7.237
"No Mitigations",7.297,7.133,7.033
"GIMP 2.10.18 - Test: rotate",
Lower Results Are Better
"Default Kernel",10.968,10.917,10.984
"No Mitigations",10.625,10.554,10.614
"GIMP 2.10.18 - Test: auto-levels",
Lower Results Are Better
"Default Kernel",11.123,11.136,11.133
"No Mitigations",10.729,10.707,10.691
"GIMP 2.10.18 - Test: unsharp-mask",
Lower Results Are Better
"Default Kernel",13.521,13.517,13.522
"No Mitigations",13.127,12.988,13.006
"G'MIC - Test: 2D Function Plotting, 1000 Times",
Lower Results Are Better
"Default Kernel",97.879,92.418,92.308,98.737,98.083,92.451,98.728,96.65,98.035
"No Mitigations",88.641,87.893,88.121
"Hugin - Panorama Photo Assistant + Stitching Time",
Lower Results Are Better
"Default Kernel",44.732,45.034,43.87
"No Mitigations",43.542,43.521,44.419
"Inkscape - Operation: SVG Files To PNG",
Lower Results Are Better
"Default Kernel",21.254,21.102,21.151
"No Mitigations",20.825,20.601,20.609
"OCRMyPDF 9.6.0+dfsg - Processing 60 Page PDF Document",
Lower Results Are Better
"Default Kernel",25.687,26.862,27.472,28.03,27.726,27.757,27.887,27.883
"No Mitigations",25.298,26.643,27.061,27.578,27.354,27.54,27.393
"GNU Octave Benchmark 5.2.0 - ",
Lower Results Are Better
"Default Kernel",6.399,6.406,6.38,6.39,6.353
"No Mitigations",6.204,6.151,6.146,6.147,6.133
"RawTherapee - Total Benchmark Time",
Lower Results Are Better
"Default Kernel",59.307,64.279,60.042,61.774,60.199,60.265
"No Mitigations",58.118,58.407,58.762
"librsvg - Operation: SVG Files To PNG",
Lower Results Are Better
"Default Kernel",18.273,18.304,18.223
"No Mitigations",17.519,17.491,17.473
"Tesseract OCR 4.1.1 - Time To OCR 7 Images",
Lower Results Are Better
"Default Kernel",20.629,20.441,20.477
"No Mitigations",20.281,20.288,20.289