Core i9 9900K LLVM LVI Mitigation

LLVM LVI testing 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 2004036-NI-COREI999088
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Audio Encoding 2 Tests
C/C++ Compiler Tests 12 Tests
CPU Massive 9 Tests
Creator Workloads 5 Tests
Cryptography 2 Tests
Database Test Suite 2 Tests
Encoding 5 Tests
HPC - High Performance Computing 2 Tests
Common Kernel Benchmarks 2 Tests
Multi-Core 5 Tests
Scientific Computing 2 Tests
Server 3 Tests
Server CPU Tests 4 Tests
Single-Threaded 3 Tests
Video Encoding 3 Tests

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April 03 2020
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LVI Mitigated
April 03 2020
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Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: skylake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Vulnerable

LVI Mitigated

Processor: Intel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads), Motherboard: ASRock Z390M Pro4 (P4.20 BIOS), Chipset: Intel Cannon Lake PCH, Memory: 16GB, Disk: 240GB Force MP510, Graphics: Intel UHD 630 (1200MHz), Audio: Realtek ALC892, Monitor: G237HL, Network: Intel I219-V

OS: Ubuntu 20.04, Kernel: 5.4.0-9-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Compiler: Clang 11.0.0, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: skylake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Vulnerable

Core i9 9900K LLVM LVI MitigationOpenBenchmarking.orgPhoronix Test SuiteIntel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads)ASRock Z390M Pro4 (P4.20 BIOS)Intel Cannon Lake PCH16GB240GB Force MP510Intel UHD 630 (1200MHz)Realtek ALC892G237HLIntel I219-VUbuntu 20.045.4.0-9-generic (x86_64)GNOME Shell 3.34.1X Server 1.20.5modesetting 1.20.5Clang 11.0.0ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionCore I9 9900K LLVM LVI Mitigation BenchmarksSystem Logs- Default: CXXFLAGS=-O3 CFLAGS=-O3- LVI Mitigated: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"- Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: skylake - Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- itlb_multihit: KVM: Vulnerable + l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Vulnerable

Default vs. LVI Mitigated ComparisonPhoronix Test SuiteBaseline+11.4%+11.4%+22.8%+22.8%+34.2%+34.2%wyhash45.5%fasthash3237.7%H.2.V.E24.3%Timed Time - Size 1,00022.7%Speed 515.4%Rand Fill12.9%Rand Fill12.9%Overwrite11.8%Overwrite11.6%Rand Delete10.7%WAV To MP38.1%Seq Fill5.4%Seq Fill5.3%Summer Nature 4K2.6%Rand Read2.4%Hot Read2.3%Seek Rand2.2%SMHasherSMHasherx264SQLite SpeedtestVP9 libvpx EncodingLevelDBLevelDBLevelDBLevelDBLevelDBLAME MP3 EncodingLevelDBLevelDBdav1dLevelDBLevelDBLevelDBDefaultLVI Mitigated

Core i9 9900K LLVM LVI Mitigationsmhasher: wyhashsmhasher: fasthash32smhasher: fasthash32lammps: Rhodopsin Proteinjohn-the-ripper: MD5dav1d: Summer Nature 4Kvpxenc: Speed 5x264: H.264 Video Encodinghimeno: Poisson Pressure Solverencode-flac: WAV To FLACencode-mp3: WAV To MP3leveldb: Hot Readleveldb: Overwriteleveldb: Overwriteleveldb: Rand Fillleveldb: Rand Fillleveldb: Rand Readleveldb: Seek Randleveldb: Rand Deleteleveldb: Seq Fillleveldb: Seq Fillsqlite-speedtest: Timed Time - Size 1,000nginx: Static Web Page ServingDefaultLVI Mitigated23.8257461.9932.3034.567110559150.3633.0690.494183.8148189.3338.5557.45748.936.16849.135.9917.5029.13833.74950.834.84749.33651953.3634.6777468.3844.4674.491109119146.6128.6472.794171.7605189.3689.2507.63243.840.41843.540.6487.6809.33837.35148.236.70060.55451338.94OpenBenchmarking.org

SMHasher

SMHasher is a hash function tester. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: wyhashDefaultLVI Mitigated816243240SE +/- 0.02, N = 3SE +/- 0.00, N = 323.8334.68-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: wyhashDefaultLVI Mitigated714212835Min: 23.8 / Avg: 23.82 / Max: 23.87Min: 34.68 / Avg: 34.68 / Max: 34.681. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: fasthash32DefaultLVI Mitigated16003200480064008000SE +/- 2.84, N = 3SE +/- 0.53, N = 37461.997468.38-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: fasthash32DefaultLVI Mitigated13002600390052006500Min: 7458.3 / Avg: 7461.99 / Max: 7467.58Min: 7467.41 / Avg: 7468.38 / Max: 7469.241. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: fasthash32DefaultLVI Mitigated1020304050SE +/- 0.00, N = 3SE +/- 0.01, N = 332.3044.47-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: fasthash32DefaultLVI Mitigated918273645Min: 32.29 / Avg: 32.3 / Max: 32.31Min: 44.46 / Avg: 44.47 / Max: 44.481. (CXX) g++ options: -O3 -march=native -lpthread

LAMMPS Molecular Dynamics Simulator

LAMMPS is a classical molecular dynamics code, and an acronym for Large-scale Atomic/Molecular Massively Parallel Simulator. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 9Jan2020Model: Rhodopsin ProteinDefaultLVI Mitigated1.02762.05523.08284.11045.138SE +/- 0.040, N = 3SE +/- 0.008, N = 34.5674.491-mlvi-cfi1. (CXX) g++ options: -O3 -rdynamic -ljpeg -lpng -lz -lfftw3 -lm
OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 9Jan2020Model: Rhodopsin ProteinDefaultLVI Mitigated246810Min: 4.49 / Avg: 4.57 / Max: 4.61Min: 4.48 / Avg: 4.49 / Max: 4.511. (CXX) g++ options: -O3 -rdynamic -ljpeg -lpng -lz -lfftw3 -lm

John The Ripper

This is a benchmark of John The Ripper, which is a password cracker. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5DefaultLVI Mitigated20K40K60K80K100KSE +/- 38.68, N = 3SE +/- 10.44, N = 3110559109119-mlvi-cfi1. (CC) gcc options: -m64 -lssl -lcrypto -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2 -mavx2 -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops
OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5DefaultLVI Mitigated20K40K60K80K100KMin: 110486 / Avg: 110558.67 / Max: 110618Min: 109102 / Avg: 109119 / Max: 1091381. (CC) gcc options: -m64 -lssl -lcrypto -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2 -mavx2 -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops

dav1d

Dav1d is an open-source, speedy AV1 video decoder. This test profile times how long it takes to decode sample AV1 video content. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 4KDefaultLVI Mitigated306090120150SE +/- 0.85, N = 3SE +/- 0.17, N = 3150.36146.61MIN: 139.18 / MAX: 164.01-mlvi-cfi - MIN: 135.28 / MAX: 161.581. (CC) gcc options: -O3 -pthread
OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 4KDefaultLVI Mitigated306090120150Min: 149.48 / Avg: 150.36 / Max: 152.05Min: 146.45 / Avg: 146.61 / Max: 146.941. (CC) gcc options: -O3 -pthread

VP9 libvpx Encoding

This is a standard video encoding performance test of Google's libvpx library and the vpxenc command for the VP9/WebM format using a sample 1080p video. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 5DefaultLVI Mitigated816243240SE +/- 0.08, N = 3SE +/- 0.17, N = 333.0628.64-mlvi-cfi1. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11
OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 5DefaultLVI Mitigated714212835Min: 32.9 / Avg: 33.06 / Max: 33.16Min: 28.31 / Avg: 28.64 / Max: 28.851. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11

x264

This is a simple test of the x264 encoder run on the CPU (OpenCL support disabled) with a sample video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingDefaultLVI Mitigated20406080100SE +/- 0.83, N = 10SE +/- 0.65, N = 390.4972.79-mlvi-cfi1. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -mstack-alignment=64 -fPIC -fomit-frame-pointer -fno-tree-vectorize
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingDefaultLVI Mitigated20406080100Min: 89.21 / Avg: 90.49 / Max: 97.72Min: 72.02 / Avg: 72.79 / Max: 74.071. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -mstack-alignment=64 -fPIC -fomit-frame-pointer -fno-tree-vectorize

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverDefaultLVI Mitigated9001800270036004500SE +/- 1.77, N = 3SE +/- 5.15, N = 34183.814171.76-mlvi-cfi1. (CC) gcc options: -O3 -mavx2
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverDefaultLVI Mitigated7001400210028003500Min: 4180.44 / Avg: 4183.81 / Max: 4186.42Min: 4166.13 / Avg: 4171.76 / Max: 4182.051. (CC) gcc options: -O3 -mavx2

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format five times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACDefaultLVI Mitigated3691215SE +/- 0.007, N = 5SE +/- 0.011, N = 59.3339.368-mlvi-cfi1. (CXX) g++ options: -O3 -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACDefaultLVI Mitigated3691215Min: 9.31 / Avg: 9.33 / Max: 9.35Min: 9.35 / Avg: 9.37 / Max: 9.411. (CXX) g++ options: -O3 -logg -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3DefaultLVI Mitigated3691215SE +/- 0.004, N = 3SE +/- 0.022, N = 38.5559.250-mlvi-cfi1. (CC) gcc options: -O3 -pipe -lncurses -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3DefaultLVI Mitigated3691215Min: 8.55 / Avg: 8.56 / Max: 8.56Min: 9.21 / Avg: 9.25 / Max: 9.281. (CC) gcc options: -O3 -pipe -lncurses -lm

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadDefaultLVI Mitigated246810SE +/- 0.099, N = 3SE +/- 0.121, N = 37.4577.632-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadDefaultLVI Mitigated3691215Min: 7.26 / Avg: 7.46 / Max: 7.58Min: 7.44 / Avg: 7.63 / Max: 7.861. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwriteDefaultLVI Mitigated1122334455SE +/- 0.26, N = 3SE +/- 0.15, N = 348.943.8-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwriteDefaultLVI Mitigated1020304050Min: 48.5 / Avg: 48.9 / Max: 49.4Min: 43.5 / Avg: 43.77 / Max: 441. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwriteDefaultLVI Mitigated918273645SE +/- 0.19, N = 3SE +/- 0.14, N = 336.1740.42-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwriteDefaultLVI Mitigated816243240Min: 35.81 / Avg: 36.17 / Max: 36.46Min: 40.21 / Avg: 40.42 / Max: 40.691. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillDefaultLVI Mitigated1122334455SE +/- 0.12, N = 3SE +/- 0.22, N = 349.143.5-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillDefaultLVI Mitigated1020304050Min: 48.9 / Avg: 49.13 / Max: 49.3Min: 43.1 / Avg: 43.53 / Max: 43.81. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillDefaultLVI Mitigated918273645SE +/- 0.08, N = 3SE +/- 0.18, N = 335.9940.65-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillDefaultLVI Mitigated816243240Min: 35.85 / Avg: 35.99 / Max: 36.15Min: 40.44 / Avg: 40.65 / Max: 41.021. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadDefaultLVI Mitigated246810SE +/- 0.040, N = 3SE +/- 0.060, N = 37.5027.680-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadDefaultLVI Mitigated3691215Min: 7.46 / Avg: 7.5 / Max: 7.58Min: 7.56 / Avg: 7.68 / Max: 7.761. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomDefaultLVI Mitigated3691215SE +/- 0.080, N = 3SE +/- 0.018, N = 39.1389.338-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomDefaultLVI Mitigated3691215Min: 9.02 / Avg: 9.14 / Max: 9.29Min: 9.3 / Avg: 9.34 / Max: 9.371. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeleteDefaultLVI Mitigated918273645SE +/- 0.06, N = 3SE +/- 0.10, N = 333.7537.35-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeleteDefaultLVI Mitigated816243240Min: 33.64 / Avg: 33.75 / Max: 33.86Min: 37.22 / Avg: 37.35 / Max: 37.551. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillDefaultLVI Mitigated1122334455SE +/- 0.39, N = 3SE +/- 0.10, N = 350.848.2-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillDefaultLVI Mitigated1020304050Min: 50 / Avg: 50.77 / Max: 51.3Min: 48.1 / Avg: 48.2 / Max: 48.41. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillDefaultLVI Mitigated816243240SE +/- 0.28, N = 3SE +/- 0.08, N = 334.8536.70-mlvi-cfi1. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillDefaultLVI Mitigated816243240Min: 34.47 / Avg: 34.85 / Max: 35.39Min: 36.55 / Avg: 36.7 / Max: 36.781. (CXX) g++ options: -O3 -lsnappy -lpthread

SQLite Speedtest

This is a benchmark of SQLite's speedtest1 benchmark program with an increased problem size of 1,000. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000DefaultLVI Mitigated1428425670SE +/- 0.22, N = 3SE +/- 0.09, N = 349.3460.55-mlvi-cfi1. (CC) gcc options: -O3 -ldl -lz -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000DefaultLVI Mitigated1224364860Min: 48.99 / Avg: 49.34 / Max: 49.74Min: 60.37 / Avg: 60.55 / Max: 60.661. (CC) gcc options: -O3 -ldl -lz -lpthread

NGINX Benchmark

This is a test of ab, which is the Apache Benchmark program running against nginx. This test profile measures how many requests per second a given system can sustain when carrying out 2,000,000 requests with 500 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page ServingDefaultLVI Mitigated11K22K33K44K55KSE +/- 163.47, N = 3SE +/- 190.13, N = 351953.3651338.94-mlvi-cfi1. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page ServingDefaultLVI Mitigated9K18K27K36K45KMin: 51713.67 / Avg: 51953.36 / Max: 52265.76Min: 50960.3 / Avg: 51338.94 / Max: 51558.661. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native

Default

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: skylake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Vulnerable

Testing initiated at 3 April 2020 07:26 by user phoronix.

LVI Mitigated

Processor: Intel Core i9-9900K @ 5.00GHz (8 Cores / 16 Threads), Motherboard: ASRock Z390M Pro4 (P4.20 BIOS), Chipset: Intel Cannon Lake PCH, Memory: 16GB, Disk: 240GB Force MP510, Graphics: Intel UHD 630 (1200MHz), Audio: Realtek ALC892, Monitor: G237HL, Network: Intel I219-V

OS: Ubuntu 20.04, Kernel: 5.4.0-9-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Compiler: Clang 11.0.0, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: skylake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Not affected + mds: Vulnerable; SMT vulnerable + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Vulnerable

Testing initiated at 3 April 2020 05:57 by user phoronix.