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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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" "SPECjbb 2015 - SPECjbb2015-Composite critical-jOPS (jOPS)",HIB,3150,3201 "SPECjbb 2015 - SPECjbb2015-Composite max-jOPS (jOPS)",HIB,14712,14911 "Renaissance - Test: Akka Unbalanced Cobwebbed Tree (ms)",LIB,8350.593,8038.018 "Renaissance - Test: Apache Spark Bayes (ms)",LIB,2132.271,1590.759 "Renaissance - Test: Savina Reactors.IO (ms)",LIB,13053.905,12071.305 "Selenium - Benchmark: Jetstream 2 - Browser: Firefox (Score)",HIB,97.627,110.127 "G'MIC - Test: 2D Function Plotting, 1000 Times (sec)",LIB,96.143,88.218 "Numpy Benchmark - (Score)",HIB,438.00,444.77 "WireGuard + Linux Networking Stack Stress Test - (sec)",LIB,162.227,148.116 "Selenium - Benchmark: Jetstream 2 - Browser: Google Chrome (Score)",HIB,115.722,148.669 "Selenium - Benchmark: ARES-6 - Browser: Firefox (ms)",LIB,42.32,33.64 "Build2 - Time To Compile (sec)",LIB,116.251,114.018 "Selenium - Benchmark: StyleBench - Browser: Google Chrome (Runs / Minute)",HIB,33.8,36.6 "Timed GDB GNU Debugger Compilation - Time To Compile (sec)",LIB,101.904,100.118 "Timed Linux Kernel Compilation - Time To Compile (sec)",LIB,93.375,91.730 "RawTherapee - Total Benchmark Time (sec)",LIB,60.978,58.429 "Selenium - Benchmark: Speedometer - Browser: Firefox (Runs/min)",HIB,93.52,107.4 "Stress-NG - Test: Context Switching (Bogo Ops/s)",HIB,2960947.10,4268546.28 "Selenium - Benchmark: Kraken - Browser: Google Chrome (ms)",LIB,915.8,789.2 "SQLite - Threads / Copies: 1 (sec)",LIB,33.141,32.759 "KeyDB - (Ops/sec)",HIB,628325.71,788009.23 "Compile Bench - Test: Compile (MB/s)",HIB,1533.60,1723.78 "OCRMyPDF - Processing 60 Page PDF Document (sec)",LIB,27.413,26.981 "Selenium - Benchmark: Speedometer - Browser: Google Chrome (Runs/min)",HIB,108,138.8 "PyPerformance - Benchmark: python_startup (Milliseconds)",LIB,7.10,6.78 "Timed PHP Compilation - Time To Compile (sec)",LIB,58.677,58.001 "Selenium - Benchmark: StyleBench - Browser: Firefox (Runs / Minute)",HIB,105,111 "Selenium - Benchmark: ARES-6 - Browser: Google Chrome (ms)",LIB,24.73,17.42 "SQLite Speedtest - Timed Time - Size 1,000 (sec)",LIB,52.639,47.037 "Renaissance - Test: Twitter HTTP Requests (ms)",LIB,2293.140,2208.614 "Stress-NG - Test: MMAP (Bogo Ops/s)",HIB,137.67,142.30 "Selenium - Benchmark: Octane - Browser: Firefox (Geometric Mean)",HIB,37103,43447 "Hugin - Panorama Photo Assistant + Stitching Time (sec)",LIB,44.545,43.827 "Selenium - Benchmark: Octane - Browser: Google Chrome (Geometric Mean)",HIB,43487,56477 "Timed ImageMagick Compilation - Time To Compile (sec)",LIB,30.558,29.937 "Redis - Test: LPUSH (Reqs/sec)",HIB,2237256.0,2281403.17 "PostMark - Disk Transaction Performance (TPS)",HIB,7575,8928 "Stress-NG - Test: SENDFILE (Bogo Ops/s)",HIB,106973.18,133579.41 "Stress-NG - Test: System V Message Passing (Bogo Ops/s)",HIB,8564821.24,10306293.53 "Stress-NG - Test: MEMFD (Bogo Ops/s)",HIB,789.47,848.31 "Stress-NG - Test: Forking (Bogo Ops/s)",HIB,57318.70,63646.37 "Selenium - Benchmark: Kraken - Browser: Firefox (ms)",LIB,826.8,731.6 "GEGL - Operation: Reflect (sec)",LIB,28.095,27.672 "PyPerformance - Benchmark: pathlib (Milliseconds)",LIB,15.7,14.6 "Inkscape - Operation: SVG Files To PNG (sec)",LIB,21.169,20.678 "Selenium - Benchmark: PSPDFKit WASM - Browser: Firefox (Score)",LIB,1282,1092 "Tesseract OCR - Time To OCR 7 Images (sec)",LIB,20.516,20.286 "Timed Apache Compilation - Time To Compile (sec)",LIB,20.159,19.741 "LevelDB - Benchmark: Sequential Fill (us/Op)",LIB,41.026,35.575 "LevelDB - Benchmark: Sequential Fill (MB/s)",HIB,43.2,49.7 "LevelDB - Benchmark: Random Delete (us/Op)",LIB,40.227,35.463 "Selenium - Benchmark: PSPDFKit WASM - Browser: Google Chrome (Score)",LIB,1885,1264 "librsvg - Operation: SVG Files To PNG (sec)",LIB,18.267,17.494 "Darktable - Test: Boat - Acceleration: CPU-only (sec)",LIB,13.317,13.075 "GIMP - Test: unsharp-mask (sec)",LIB,13.520,13.040 "Redis - Test: SET (Reqs/sec)",HIB,2594040.63,2735242.83 "Selenium - Benchmark: WASM imageConvolute - Browser: Firefox (ms)",LIB,27.9,25.2 "GIMP - Test: auto-levels (sec)",LIB,11.131,10.709 "GIMP - Test: rotate (sec)",LIB,10.956,10.598 "GNU Octave Benchmark - (sec)",LIB,6.386,6.156 "Redis - Test: SADD (Reqs/sec)",HIB,2904200.75,3009626.67 "GEGL - Operation: Crop (sec)",LIB,8.268,7.892 "GIMP - Test: resize (sec)",LIB,7.319,7.154 "Selenium - Benchmark: WASM imageConvolute - Browser: Google Chrome (ms)",LIB,52.5955,29.3102 "Bork File Encrypter - File Encryption Time (sec)",LIB,6.215,6.052 "Darktable - Test: Masskrug - Acceleration: CPU-only (sec)",LIB,5.510,5.378 "GEGL - Operation: Scale (sec)",LIB,6.086,5.757 "LevelDB - Benchmark: Random Fill (us/Op)",LIB,43.521,37.808 "LevelDB - Benchmark: Random Fill (MB/s)",HIB,40.7,46.8 "Darktable - Test: Server Room - Acceleration: CPU-only (sec)",LIB,4.194,4.126 "libavif avifenc - Encoder Speed: 8 (sec)",LIB,5.057,4.890 "libavif avifenc - Encoder Speed: 10 (sec)",LIB,4.792,4.626 "LevelDB - Benchmark: Fill Sync (us/Op)",LIB,4078.247,4038.487 "LevelDB - Benchmark: Overwrite (us/Op)",LIB,42.928,38.038 "LevelDB - Benchmark: Overwrite (MB/s)",HIB,41.2,46.5 "Darktable - Test: Server Rack - Acceleration: CPU-only (sec)",LIB,0.183,0.165 "ctx_clock - Context Switch Time (Clocks)",LIB,510,145 "Compile Bench - Test: Read Compiled Tree (MB/s)",HIB,3435.48,4136.73 "Compile Bench - Test: Initial Create (MB/s)",HIB,550.57,651.76