Core i9 9900K -Linux 5.9 Mitigation Impact

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
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Web Browsers 1 Tests
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Imaging 9 Tests
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  Duration
Default Kernel
August 20 2020
  8 Hours, 20 Minutes
No Mitigations
August 21 2020
  6 Hours, 41 Minutes
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  7 Hours, 31 Minutes
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Core i9 9900K -Linux 5.9 Mitigation Impact 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. ,,"Default Kernel","No Mitigations" Processor,,Intel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads),Intel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads) Motherboard,,ASRock Z390M Pro4 (P4.20 BIOS),ASRock Z390M Pro4 (P4.20 BIOS) Chipset,,Intel Cannon Lake PCH,Intel Cannon Lake PCH Memory,,16GB,16GB Disk,,240GB Corsair Force MP510,240GB Corsair Force MP510 Graphics,,Intel UHD 630 3GB (1200MHz),Intel UHD 630 3GB (1200MHz) Audio,,Realtek ALC892,Realtek ALC892 Monitor,,G237HL,G237HL Network,,Intel I219-V,Intel I219-V OS,,Ubuntu 20.04,Ubuntu 20.04 Kernel,,5.9.0-050900rc1daily20200819-generic (x86_64) 20200818,5.9.0-050900rc1daily20200819-generic (x86_64) 20200818 Desktop,,GNOME Shell 3.36.4,GNOME Shell 3.36.4 Display Server,,X Server 1.20.8,X Server 1.20.8 Display Driver,,modesetting 1.20.8,modesetting 1.20.8 OpenGL,,4.6 Mesa 20.0.4,4.6 Mesa 20.0.4 OpenCL,,OpenCL 2.1,OpenCL 2.1 Compiler,,GCC 9.3.0,GCC 9.3.0 File-System,,ext4,ext4 Screen Resolution,,1920x1080,1920x1080 ,,"Default Kernel","No Mitigations" "Stress-NG - Test: MMAP (Bogo Ops/s)",HIB,137.67,142.30 "Stress-NG - Test: MEMFD (Bogo Ops/s)",HIB,789.47,848.31 "Stress-NG - Test: Forking (Bogo Ops/s)",HIB,57318.70,63646.37 "Stress-NG - Test: SENDFILE (Bogo Ops/s)",HIB,106973.18,133579.41 "Stress-NG - Test: Context Switching (Bogo Ops/s)",HIB,2960947.10,4268546.28 "Stress-NG - Test: System V Message Passing (Bogo Ops/s)",HIB,8564821.24,10306293.53 "Selenium - Benchmark: Octane - Browser: Firefox (Geometric Mean)",HIB,37103,43447 "Selenium - Benchmark: Octane - Browser: Google Chrome (Geometric Mean)",HIB,43487,56477 "SPECjbb 2015 - SPECjbb2015-Composite max-jOPS (jOPS)",HIB,14712,14911 "SPECjbb 2015 - SPECjbb2015-Composite critical-jOPS (jOPS)",HIB,3150,3201 "Compile Bench - Test: Compile (MB/s)",HIB,1533.60,1723.78 "Compile Bench - Test: Initial Create (MB/s)",HIB,550.57,651.76 "Compile Bench - Test: Read Compiled Tree (MB/s)",HIB,3435.48,4136.73 "LevelDB - Benchmark: Overwrite (MB/s)",HIB,41.2,46.5 "LevelDB - Benchmark: Random Fill (MB/s)",HIB,40.7,46.8 "LevelDB - Benchmark: Sequential Fill (MB/s)",HIB,43.2,49.7 "KeyDB - (Ops/sec)",HIB,628325.71,788009.23 "Redis - Test: SADD (Reqs/sec)",HIB,2904200.75,3009626.67 "Redis - Test: LPUSH (Reqs/sec)",HIB,2237256.0,2281403.17 "Redis - Test: SET (Reqs/sec)",HIB,2594040.63,2735242.83 "Selenium - Benchmark: StyleBench - Browser: Firefox (Runs / Minute)",HIB,105,111 "Selenium - Benchmark: StyleBench - Browser: Google Chrome (Runs / Minute)",HIB,33.8,36.6 "Selenium - Benchmark: Speedometer - Browser: Firefox (Runs/min)",HIB,93.52,107.4 "Selenium - Benchmark: Speedometer - Browser: Google Chrome (Runs/min)",HIB,108,138.8 "Numpy Benchmark - (Score)",HIB,438.00,444.77 "Selenium - Benchmark: Jetstream 2 - Browser: Firefox (Score)",HIB,97.627,110.127 "Selenium - Benchmark: Jetstream 2 - Browser: Google Chrome (Score)",HIB,115.722,148.669 "PostMark - Disk Transaction Performance (TPS)",HIB,7575,8928 "ctx_clock - Context Switch Time (Clocks)",LIB,510,145 "LevelDB - Benchmark: Fill Sync (us/Op)",LIB,4078.247,4038.487 "LevelDB - Benchmark: Overwrite (us/Op)",LIB,42.928,38.038 "LevelDB - Benchmark: Random Fill (us/Op)",LIB,43.521,37.808 "LevelDB - Benchmark: Random Delete (us/Op)",LIB,40.227,35.463 "LevelDB - Benchmark: Sequential Fill (us/Op)",LIB,41.026,35.575 "PyPerformance - Benchmark: pathlib (Milliseconds)",LIB,15.7,14.6 "PyPerformance - Benchmark: python_startup (Milliseconds)",LIB,7.10,6.78 "Renaissance - Test: Apache Spark Bayes (ms)",LIB,2132.271,1590.759 "Renaissance - Test: Savina Reactors.IO (ms)",LIB,13053.905,12071.305 "Renaissance - Test: Twitter HTTP Requests (ms)",LIB,2293.140,2208.614 "Renaissance - Test: Akka Unbalanced Cobwebbed Tree (ms)",LIB,8350.593,8038.018 "Selenium - Benchmark: ARES-6 - Browser: Firefox (ms)",LIB,42.32,33.64 "Selenium - Benchmark: Kraken - Browser: Firefox (ms)",LIB,826.8,731.6 "Selenium - Benchmark: ARES-6 - Browser: Google Chrome (ms)",LIB,24.73,17.42 "Selenium - Benchmark: Kraken - Browser: Google Chrome (ms)",LIB,915.8,789.2 "Selenium - Benchmark: WASM imageConvolute - Browser: Firefox (ms)",LIB,27.9,25.2 "Selenium - Benchmark: WASM imageConvolute - Browser: Google Chrome (ms)",LIB,52.5955,29.3102 "Selenium - Benchmark: PSPDFKit WASM - Browser: Firefox (Score)",LIB,1282,1092 "Selenium - Benchmark: PSPDFKit WASM - Browser: Google Chrome (Score)",LIB,1885,1264 "SQLite - Threads / Copies: 1 (sec)",LIB,33.141,32.759 "WireGuard + Linux Networking Stack Stress Test - (sec)",LIB,162.227,148.116 "Bork File Encrypter - File Encryption Time (sec)",LIB,6.215,6.052 "libavif avifenc - Encoder Speed: 8 (sec)",LIB,5.057,4.890 "libavif avifenc - Encoder Speed: 10 (sec)",LIB,4.792,4.626 "Timed Apache Compilation - Time To Compile (sec)",LIB,20.159,19.741 "Timed GDB GNU Debugger Compilation - Time To Compile (sec)",LIB,101.904,100.118 "Timed ImageMagick Compilation - Time To Compile (sec)",LIB,30.558,29.937 "Timed Linux Kernel Compilation - Time To Compile (sec)",LIB,93.375,91.730 "Timed PHP Compilation - Time To Compile (sec)",LIB,58.677,58.001 "Build2 - Time To Compile (sec)",LIB,116.251,114.018 "SQLite Speedtest - Timed Time - Size 1,000 (sec)",LIB,52.639,47.037 "Darktable - Test: Boat - Acceleration: CPU-only (sec)",LIB,13.317,13.075 "Darktable - Test: Masskrug - Acceleration: CPU-only (sec)",LIB,5.510,5.378 "Darktable - Test: Server Rack - Acceleration: CPU-only (sec)",LIB,0.183,0.165 "Darktable - Test: Server Room - Acceleration: CPU-only (sec)",LIB,4.194,4.126 "GEGL - Operation: Crop (sec)",LIB,8.268,7.892 "GEGL - Operation: Scale (sec)",LIB,6.086,5.757 "GEGL - Operation: Reflect (sec)",LIB,28.095,27.672 "GIMP - Test: resize (sec)",LIB,7.319,7.154 "GIMP - Test: rotate (sec)",LIB,10.956,10.598 "GIMP - Test: auto-levels (sec)",LIB,11.131,10.709 "GIMP - Test: unsharp-mask (sec)",LIB,13.520,13.040 "G'MIC - Test: 2D Function Plotting, 1000 Times (sec)",LIB,96.143,88.218 "Hugin - Panorama Photo Assistant + Stitching Time (sec)",LIB,44.545,43.827 "Inkscape - Operation: SVG Files To PNG (sec)",LIB,21.169,20.678 "OCRMyPDF - Processing 60 Page PDF Document (sec)",LIB,27.413,26.981 "GNU Octave Benchmark - (sec)",LIB,6.386,6.156 "RawTherapee - Total Benchmark Time (sec)",LIB,60.978,58.429 "librsvg - Operation: SVG Files To PNG (sec)",LIB,18.267,17.494 "Tesseract OCR - Time To OCR 7 Images (sec)",LIB,20.516,20.286