GCC 10 Compiler Optimization Benchmarks

Intel Cascade Lake compiler optimization benchmarks on GCC 10.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2005239-SKEE-200523792
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Audio Encoding 2 Tests
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C/C++ Compiler Tests 9 Tests
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Creator Workloads 6 Tests
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HPC - High Performance Computing 3 Tests
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-O0
May 22 2020
  2 Hours, 53 Minutes
-O2
May 22 2020
  1 Hour, 41 Minutes
-O3
May 22 2020
  2 Hours, 2 Minutes
-O3 -march=native
May 13 2020
  1 Hour, 59 Minutes
-O3 -march=native -flto
May 21 2020
  2 Hours
-Ofast -march=native
May 22 2020
  2 Hours
VHM LFS Default
May 23 2020
  1 Hour, 8 Minutes
Invert Hiding All Results Option
  1 Hour, 58 Minutes

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-O0

Environment Notes: CXXFLAGS=-O0 CFLAGS=-O0
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

-O2

Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

-O3

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

-O3 -march=native

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

-O3 -march=native -flto

Environment Notes: CXXFLAGS="-O3 -march=native -flto" CFLAGS="-O3 -march=native -flto"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

-Ofast -march=native

Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: NVIDIA NV132 11GB, Audio: Realtek ALC1220, Monitor: ASUS MG28U, Network: Intel I219-V + Intel I211

OS: Ubuntu 20.04, Kernel: 5.4.0-29-generic (x86_64), Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.3 Mesa 20.0.4, Compiler: GCC 10.1.0, File-System: ext4, Screen Resolution: 3840x2160

Environment Notes: CXXFLAGS="-Ofast -march=native" CFLAGS="-Ofast -march=native"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

VHM LFS Default

Processor: Intel Core i7-8086K @ 5.00GHz (6 Cores / 12 Threads), Motherboard: ASRock Z370 Extreme4 (P3.10 BIOS), Memory: 32GB, Disk: 1000GB Samsung SSD 970 EVO 1TB + 2048GB ADATA SX8200PNP + 8002GB Western Digital WD80EMAZ-00W + 4001GB Western Digital WD40EMRX-82U + 1000GB CT1000MX500SSD1 + 8002GB Backup+ Hub BK + 128GB SD/MMC, Graphics: NVIDIA GeForce RTX 2080 8GB (1275/7000MHz), Audio: Realtek ALC1220, Monitor: XB271HU

OS: VHM 9.1.2, Kernel: 5.7.0-rc6 (x86_64) 20200519, Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: NVIDIA 440.82, OpenGL: 4.5.0, Compiler: GCC 10.1.0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 4480x1440

Compiler Notes: --enable-languages=c,c++,d,fortran,go,objc,obj-c++
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0x96
OpenCL Notes: GPU Compute Cores: 2944
Python Notes: Python 3.8.3
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + 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

GCC 10 Compiler Optimization BenchmarksProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen Resolution-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS DefaultIntel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads)ASRock X299 Steel Legend (P1.30 BIOS)Intel Sky Lake-E DMI3 Registers32GBSamsung SSD 970 PRO 512GBNVIDIA NV132 11GBRealtek ALC1220ASUS MG28UIntel I219-V + Intel I211Ubuntu 20.045.4.0-29-generic (x86_64)GNOME Shell 3.36.1X Server 1.20.8modesetting 1.20.84.3 Mesa 20.0.4GCC 10.1.0ext43840x2160Intel Core i7-8086K @ 5.00GHz (6 Cores / 12 Threads)ASRock Z370 Extreme4 (P3.10 BIOS)1000GB Samsung SSD 970 EVO 1TB + 2048GB ADATA SX8200PNP + 8002GB Western Digital WD80EMAZ-00W + 4001GB Western Digital WD40EMRX-82U + 1000GB CT1000MX500SSD1 + 8002GB Backup+ Hub BK + 128GB SD/MMCNVIDIA GeForce RTX 2080 8GB (1275/7000MHz)XB271HUVHM 9.1.25.7.0-rc6 (x86_64) 20200519GNOME Shell 3.36.2NVIDIA 440.824.5.0GCC 10.1.0 + Clang 10.0.0 + LLVM 10.0.04480x1440OpenBenchmarking.orgEnvironment Details- -O0: CXXFLAGS=-O0 CFLAGS=-O0- -O2: CXXFLAGS=-O2 CFLAGS=-O2- -O3: CXXFLAGS=-O3 CFLAGS=-O3- -O3 -march=native: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"- -O3 -march=native -flto: CXXFLAGS="-O3 -march=native -flto" CFLAGS="-O3 -march=native -flto"- -Ofast -march=native: CXXFLAGS="-Ofast -march=native" CFLAGS="-Ofast -march=native"Compiler Details- -O0: --disable-multilib --enable-checking=release- -O2: --disable-multilib --enable-checking=release- -O3: --disable-multilib --enable-checking=release- -O3 -march=native: --disable-multilib --enable-checking=release- -O3 -march=native -flto: --disable-multilib --enable-checking=release- -Ofast -march=native: --disable-multilib --enable-checking=release- VHM LFS Default: --enable-languages=c,c++,d,fortran,go,objc,obj-c++Processor Details- -O0: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- -O2: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- -O3: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- -O3 -march=native: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- -O3 -march=native -flto: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- -Ofast -march=native: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c- VHM LFS Default: Scaling Governor: intel_pstate performance - CPU Microcode: 0x96Python Details- -O0: Python 3.8.2- -O2: Python 3.8.2- -O3: Python 3.8.2- -O3 -march=native: Python 3.8.2- -O3 -march=native -flto: Python 3.8.2- -Ofast -march=native: Python 3.8.2- VHM LFS Default: Python 3.8.3Security Details- -O0: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- -O2: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- -O3: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- -O3 -march=native: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- -O3 -march=native -flto: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- -Ofast -march=native: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled- VHM LFS Default: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + 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: VulnerableOpenCL Details- VHM LFS Default: GPU Compute Cores: 2944

-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS DefaultLogarithmic Result OverviewPhoronix Test SuiteHimeno BenchmarkFLAC Audio EncodingLeelaChessZeroCrypto++C-RayLAME MP3 EncodingGraphicsMagickC-BloscPostgreSQL pgbenchNGINX Benchmark

GCC 10 Compiler Optimization Benchmarksblosc: blosclzcryptopp: Keyed Algorithmscryptopp: Unkeyed Algorithmscryptopp: Integer + Elliptic Curve Public Key Algorithmslczero: Eigenlczero: Randlammps: Rhodopsin Proteingraphics-magick: Rotatehimeno: Poisson Pressure Solverc-ray: Total Time - 4K, 16 Rays Per Pixelpovray: Trace Timeyafaray: Total Time For Sample Sceneencode-flac: WAV To FLACencode-mp3: WAV To MP3pgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writenginx: Static Web Page Serving-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default8216.995.085347102.2475761659.38352331830011.844727597.533920113.576104.64753.00825.150317104.9731199648.29442949414.818234.3660.461482356.5779975718.12673292415728911.8998434150.11478769.69628.999101.4739.33111.198483412.7471599637.53616751647.998202.7712.008644359.2766575679.40730192714219811.8877944015.85758638.00427.478105.6439.3689.412481599.7210519922.91042651596.827778.0751.563696392.2364795809.05246492613660812.2238364771.41889830.45927.499101.5768.4918.612476778.1487418029.08088352346.177829.8699.798129390.5873855915.78936594816377312.4278574774.03166330.24428.883106.3878.3558.528491896.15608710194.03052052047.288204.7751.014335394.3027975906.81006093415762912.2328135065.07291727.13427.729107.1228.3358.656482929.7046399468.62598051501.6211371.9729.000128378.7430575967.74154988124419711784147.89273986.49961.7217.3847.35230073.45162910986.13373256439.01OpenBenchmarking.org

C-Blosc

A simple, compressed, fast and persistent data store library for C. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterC-Blosc 2.0 Beta 5Compressor: blosclz-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2K4K6K8K10KSE +/- 4.37, N = 3SE +/- 6.34, N = 3SE +/- 9.76, N = 3SE +/- 7.31, N = 3SE +/- 2.64, N = 3SE +/- 7.13, N = 3SE +/- 12.93, N = 38216.98234.38202.77778.07829.88204.711371.9-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native1. (CXX) g++ options: -rdynamic
OpenBenchmarking.orgMB/s, More Is BetterC-Blosc 2.0 Beta 5Compressor: blosclz-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2K4K6K8K10KMin: 8209 / Avg: 8216.9 / Max: 8224.1Min: 8224.4 / Avg: 8234.3 / Max: 8246.1Min: 8185.4 / Avg: 8202.67 / Max: 8219.2Min: 7764.2 / Avg: 7777.97 / Max: 7789.1Min: 7825 / Avg: 7829.83 / Max: 7834.1Min: 8192.4 / Avg: 8204.73 / Max: 8217.1Min: 11347 / Avg: 11371.9 / Max: 11390.41. (CXX) g++ options: -rdynamic

Crypto++

Crypto++ is a C++ class library of cryptographic algorithms. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Keyed Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default160320480640800SE +/- 0.01, N = 3SE +/- 0.63, N = 3SE +/- 0.09, N = 3SE +/- 0.10, N = 3SE +/- 0.62, N = 3SE +/- 0.38, N = 3SE +/- 3.29, N = 395.09660.46712.01751.56699.80751.01729.00-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-g2 -O31. (CXX) g++ options: -fPIC -pthread -pipe
OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Keyed Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default130260390520650Min: 95.07 / Avg: 95.09 / Max: 95.1Min: 659.21 / Avg: 660.46 / Max: 661.25Min: 711.86 / Avg: 712.01 / Max: 712.17Min: 751.39 / Avg: 751.56 / Max: 751.73Min: 698.58 / Avg: 699.8 / Max: 700.6Min: 750.38 / Avg: 751.01 / Max: 751.7Min: 722.45 / Avg: 729 / Max: 732.771. (CXX) g++ options: -fPIC -pthread -pipe

OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Unkeyed Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default90180270360450SE +/- 0.06, N = 3SE +/- 0.28, N = 3SE +/- 0.17, N = 3SE +/- 0.20, N = 3SE +/- 0.10, N = 3SE +/- 0.14, N = 3SE +/- 0.26, N = 3102.25356.58359.28392.24390.59394.30378.74-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-g2 -O31. (CXX) g++ options: -fPIC -pthread -pipe
OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Unkeyed Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default70140210280350Min: 102.15 / Avg: 102.25 / Max: 102.36Min: 356.06 / Avg: 356.58 / Max: 357.03Min: 359.05 / Avg: 359.28 / Max: 359.62Min: 391.88 / Avg: 392.24 / Max: 392.56Min: 390.44 / Avg: 390.59 / Max: 390.77Min: 394.03 / Avg: 394.3 / Max: 394.45Min: 378.31 / Avg: 378.74 / Max: 379.221. (CXX) g++ options: -fPIC -pthread -pipe

OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Integer + Elliptic Curve Public Key Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default13002600390052006500SE +/- 1.08, N = 3SE +/- 2.28, N = 3SE +/- 6.99, N = 3SE +/- 1.31, N = 3SE +/- 7.20, N = 3SE +/- 3.05, N = 3SE +/- 1.21, N = 31659.385718.135679.415809.055915.795906.815967.74-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-g2 -O31. (CXX) g++ options: -fPIC -pthread -pipe
OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Integer + Elliptic Curve Public Key Algorithms-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default10002000300040005000Min: 1657.23 / Avg: 1659.38 / Max: 1660.51Min: 5714.12 / Avg: 5718.13 / Max: 5722Min: 5665.8 / Avg: 5679.41 / Max: 5689.01Min: 5807.11 / Avg: 5809.05 / Max: 5811.54Min: 5903.42 / Avg: 5915.79 / Max: 5928.38Min: 5900.87 / Avg: 5906.81 / Max: 5910.97Min: 5965.45 / Avg: 5967.74 / Max: 5969.561. (CXX) g++ options: -fPIC -pthread -pipe

LeelaChessZero

LeelaChessZero (lc0 / lczero) is a chess engine automated vian neural networks. This test profile can be used for OpenCL, CUDA + cuDNN, and BLAS (CPU-based) benchmarking. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgNodes Per Second, More Is BetterLeelaChessZero 0.25Backend: Eigen-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2004006008001000SE +/- 9.35, N = 3SE +/- 3.79, N = 3SE +/- 10.27, N = 3SE +/- 3.48, N = 3SE +/- 15.57, N = 3SE +/- 4.04, N = 33924927926948934881-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native1. (CXX) g++ options: -pthread
OpenBenchmarking.orgNodes Per Second, More Is BetterLeelaChessZero 0.25Backend: Eigen-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default170340510680850Min: 914 / Avg: 924.33 / Max: 943Min: 920 / Avg: 927 / Max: 933Min: 910 / Avg: 925.67 / Max: 945Min: 942 / Avg: 948.33 / Max: 954Min: 916 / Avg: 934 / Max: 965Min: 873 / Avg: 881 / Max: 8861. (CXX) g++ options: -pthread

OpenBenchmarking.orgNodes Per Second, More Is BetterLeelaChessZero 0.25Backend: Random-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default50K100K150K200K250KSE +/- 23.03, N = 3SE +/- 77.06, N = 3SE +/- 147.22, N = 3SE +/- 176.21, N = 3SE +/- 157.19, N = 3SE +/- 208.58, N = 318300157289142198136608163773157629244197-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native1. (CXX) g++ options: -pthread
OpenBenchmarking.orgNodes Per Second, More Is BetterLeelaChessZero 0.25Backend: Random-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default40K80K120K160K200KMin: 18255 / Avg: 18300 / Max: 18331Min: 157175 / Avg: 157289.33 / Max: 157436Min: 141934 / Avg: 142197.67 / Max: 142443Min: 136408 / Avg: 136607.67 / Max: 136959Min: 163539 / Avg: 163773.33 / Max: 164072Min: 157213 / Avg: 157629 / Max: 1578641. (CXX) g++ options: -pthread

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 Protein-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native3691215SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.09, N = 3SE +/- 0.02, N = 3SE +/- 0.09, N = 311.8411.9011.8912.2212.4312.23-O0-O2-march=native-march=native -flto-Ofast -march=native1. (CXX) g++ options: -O3 -rdynamic -ljpeg -lpng -lz -lfftw3 -lm
OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 9Jan2020Model: Rhodopsin Protein-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native48121620Min: 11.75 / Avg: 11.84 / Max: 11.95Min: 11.82 / Avg: 11.9 / Max: 11.98Min: 11.86 / Avg: 11.89 / Max: 11.93Min: 12.04 / Avg: 12.22 / Max: 12.33Min: 12.39 / Avg: 12.43 / Max: 12.46Min: 12.04 / Avg: 12.23 / Max: 12.331. (CXX) g++ options: -O3 -rdynamic -ljpeg -lpng -lz -lfftw3 -lm

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Rotate-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default30060090012001500SE +/- 10.76, N = 4SE +/- 6.12, N = 3SE +/- 10.05, N = 4SE +/- 9.94, N = 3SE +/- 10.90, N = 3SE +/- 13.72, N = 37278437948368578131178-O0 -ljbig -lfreetype -lXext -lSM -lICE -lX11-O2 -ljbig -lfreetype -lXext -lSM -lICE -lX11-O3 -ljbig -lfreetype -lXext -lSM -lICE -lX11-O3 -march=native -ljbig -lfreetype -lXext -lSM -lICE -lX11-O3 -march=native -flto -ljbig -lfreetype -lXext -lSM -lICE -lX11-Ofast -march=native -ljbig -lfreetype -lXext -lSM -lICE -lX11-O2 -lpng16 -lglib-2.0 -ldl -lzstd1. (CC) gcc options: -fopenmp -pthread -ltiff -ljpeg -llzma -lbz2 -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Rotate-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2004006008001000Min: 709 / Avg: 727.25 / Max: 758Min: 833 / Avg: 842.67 / Max: 854Min: 778 / Avg: 794.25 / Max: 822Min: 822 / Avg: 835.67 / Max: 855Min: 841 / Avg: 857.33 / Max: 878Min: 786 / Avg: 813.33 / Max: 8291. (CC) gcc options: -fopenmp -pthread -ltiff -ljpeg -llzma -lbz2 -lxml2 -lz -lm -lpthread

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 Solver-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default11002200330044005500SE +/- 0.19, N = 3SE +/- 5.58, N = 3SE +/- 10.11, N = 3SE +/- 7.02, N = 3SE +/- 7.91, N = 3SE +/- 8.26, N = 3597.534150.114015.864771.424774.035065.074147.89-O2-march=native-march=native -flto-Ofast -march=native1. (CC) gcc options: -O3 -mavx2
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default9001800270036004500Min: 597.27 / Avg: 597.53 / Max: 597.91Min: 4141.87 / Avg: 4150.11 / Max: 4160.75Min: 3996.74 / Avg: 4015.86 / Max: 4031.13Min: 4760.87 / Avg: 4771.42 / Max: 4784.72Min: 4763.42 / Avg: 4774.03 / Max: 4789.5Min: 5049.88 / Avg: 5065.07 / Max: 5078.281. (CC) gcc options: -O3 -mavx2

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per Pixel-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default306090120150SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3113.5869.7038.0030.4630.2427.1386.50-O0-O2-march=native-march=native -flto-Ofast -march=native1. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per Pixel-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default20406080100Min: 113.55 / Avg: 113.58 / Max: 113.59Min: 69.68 / Avg: 69.7 / Max: 69.73Min: 37.99 / Avg: 38 / Max: 38.02Min: 30.44 / Avg: 30.46 / Max: 30.48Min: 30.23 / Avg: 30.24 / Max: 30.26Min: 27.11 / Avg: 27.13 / Max: 27.151. (CC) gcc options: -lm -lpthread -O3

POV-Ray

This is a test of POV-Ray, the Persistence of Vision Raytracer. POV-Ray is used to create 3D graphics using ray-tracing. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterPOV-Ray 3.7.0.7Trace Time-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default1428425670SE +/- 0.33, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.49, N = 3SE +/- 0.11, N = 329.0027.4827.5028.8827.7361.72-O2 -lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread-lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread-lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread-flto -lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread-Ofast -lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread-lSDL -lXpm1. (CXX) g++ options: -pipe -O3 -ffast-math -march=native -pthread -lSM -lICE -lX11 -lpthread -ltiff -ljpeg -lpng -lz -lrt -lm -lboost_thread -lboost_system
OpenBenchmarking.orgSeconds, Fewer Is BetterPOV-Ray 3.7.0.7Trace Time-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default1224364860Min: 28.41 / Avg: 29 / Max: 29.53Min: 27.41 / Avg: 27.48 / Max: 27.59Min: 27.44 / Avg: 27.5 / Max: 27.59Min: 27.93 / Avg: 28.88 / Max: 29.56Min: 27.53 / Avg: 27.73 / Max: 27.891. (CXX) g++ options: -pipe -O3 -ffast-math -march=native -pthread -lSM -lICE -lX11 -lpthread -ltiff -ljpeg -lpng -lz -lrt -lm -lboost_thread -lboost_system

YafaRay

YafaRay is an open-source physically based montecarlo ray-tracing engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterYafaRay 3.4.1Total Time For Sample Scene-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native20406080100SE +/- 1.76, N = 15SE +/- 0.93, N = 3SE +/- 1.65, N = 15SE +/- 1.06, N = 15SE +/- 2.17, N = 15SE +/- 1.65, N = 15104.65101.47105.64101.58106.39107.121. (CXX) g++ options: -std=c++11 -O3 -ffast-math -rdynamic -ldl -lImath -lIlmImf -lIex -lHalf -lz -lIlmThread -lxml2 -lfreetype -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterYafaRay 3.4.1Total Time For Sample Scene-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native20406080100Min: 96.47 / Avg: 104.65 / Max: 119.17Min: 100.42 / Avg: 101.47 / Max: 103.33Min: 97.2 / Avg: 105.64 / Max: 116.92Min: 94.49 / Avg: 101.58 / Max: 109.45Min: 95.56 / Avg: 106.39 / Max: 124.72Min: 95.55 / Avg: 107.12 / Max: 120.311. (CXX) g++ options: -std=c++11 -O3 -ffast-math -rdynamic -ldl -lImath -lIlmImf -lIex -lHalf -lz -lIlmThread -lxml2 -lfreetype -lpthread

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 FLAC-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default1224364860SE +/- 0.039, N = 5SE +/- 0.029, N = 5SE +/- 0.015, N = 5SE +/- 0.018, N = 5SE +/- 0.012, N = 5SE +/- 0.009, N = 553.0089.3319.3688.4918.3558.3357.384-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-O21. (CXX) g++ options: -fvisibility=hidden -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLAC-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default1122334455Min: 52.88 / Avg: 53.01 / Max: 53.08Min: 9.26 / Avg: 9.33 / Max: 9.44Min: 9.32 / Avg: 9.37 / Max: 9.42Min: 8.45 / Avg: 8.49 / Max: 8.55Min: 8.33 / Avg: 8.36 / Max: 8.38Min: 8.31 / Avg: 8.34 / Max: 8.351. (CXX) g++ options: -fvisibility=hidden -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 MP3-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default612182430SE +/- 0.015, N = 3SE +/- 0.009, N = 3SE +/- 0.010, N = 3SE +/- 0.007, N = 3SE +/- 0.009, N = 3SE +/- 0.005, N = 325.15011.1989.4128.6128.5288.6567.350-O0-O2-march=native-march=native -flto-Ofast -march=native1. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -lncurses -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default612182430Min: 25.12 / Avg: 25.15 / Max: 25.17Min: 11.18 / Avg: 11.2 / Max: 11.21Min: 9.39 / Avg: 9.41 / Max: 9.43Min: 8.6 / Avg: 8.61 / Max: 8.62Min: 8.51 / Avg: 8.53 / Max: 8.54Min: 8.65 / Avg: 8.66 / Max: 8.661. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -lncurses -lm

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Only-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default110K220K330K440K550KSE +/- 406.58, N = 3SE +/- 839.46, N = 3SE +/- 1024.30, N = 3SE +/- 418.58, N = 3SE +/- 426.27, N = 3SE +/- 1005.62, N = 3317104.97483412.75481599.72476778.15491896.16482929.70230073.45-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-O21. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Only-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default90K180K270K360K450KMin: 316435.24 / Avg: 317104.97 / Max: 317839.23Min: 481874.74 / Avg: 483412.75 / Max: 484764.82Min: 479553.61 / Avg: 481599.72 / Max: 482710.16Min: 476264.58 / Avg: 476778.15 / Max: 477607.49Min: 491248.65 / Avg: 491896.16 / Max: 492700.2Min: 480951.63 / Avg: 482929.7 / Max: 484233.81. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Write-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2K4K6K8K10KSE +/- 57.04, N = 3SE +/- 75.57, N = 3SE +/- 49.95, N = 3SE +/- 27.74, N = 3SE +/- 40.21, N = 3SE +/- 80.17, N = 39648.299637.549922.918029.0810194.039468.6310986.13-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=native-O21. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Write-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default2K4K6K8K10KMin: 9554.58 / Avg: 9648.29 / Max: 9751.48Min: 9496.38 / Avg: 9637.54 / Max: 9754.87Min: 9854.38 / Avg: 9922.91 / Max: 10020.12Min: 7973.68 / Avg: 8029.08 / Max: 8059.42Min: 10129.07 / Avg: 10194.03 / Max: 10267.57Min: 9350.81 / Avg: 9468.63 / Max: 9621.721. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

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 Serving-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default12K24K36K48K60KSE +/- 18.42, N = 3SE +/- 32.36, N = 3SE +/- 89.67, N = 3SE +/- 72.32, N = 3SE +/- 53.44, N = 3SE +/- 214.53, N = 349414.8151647.9951596.8252346.1752047.2851501.6256439.01-O0-O2-flto-Ofast1. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page Serving-O0-O2-O3-O3 -march=native-O3 -march=native -flto-Ofast -march=nativeVHM LFS Default10K20K30K40K50KMin: 49381.72 / Avg: 49414.81 / Max: 49445.39Min: 51589.35 / Avg: 51647.99 / Max: 51701.04Min: 51418.3 / Avg: 51596.82 / Max: 51701.03Min: 52249.67 / Avg: 52346.17 / Max: 52487.73Min: 51956.64 / Avg: 52047.28 / Max: 52141.64Min: 51272.57 / Avg: 51501.62 / Max: 51930.341. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native

-O0

Environment Notes: CXXFLAGS=-O0 CFLAGS=-O0
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 22 May 2020 19:19 by user pts.

-O2

Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 22 May 2020 11:54 by user pts.

-O3

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 22 May 2020 07:26 by user pts.

-O3 -march=native

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 13 May 2020 18:34 by user system.

-O3 -march=native -flto

Environment Notes: CXXFLAGS="-O3 -march=native -flto" CFLAGS="-O3 -march=native -flto"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 21 May 2020 10:13 by user system.

-Ofast -march=native

Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: NVIDIA NV132 11GB, Audio: Realtek ALC1220, Monitor: ASUS MG28U, Network: Intel I219-V + Intel I211

OS: Ubuntu 20.04, Kernel: 5.4.0-29-generic (x86_64), Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.3 Mesa 20.0.4, Compiler: GCC 10.1.0, File-System: ext4, Screen Resolution: 3840x2160

Environment Notes: CXXFLAGS="-Ofast -march=native" CFLAGS="-Ofast -march=native"
Compiler Notes: --disable-multilib --enable-checking=release
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500012c
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 22 May 2020 16:54 by user pts.

VHM LFS Default

Processor: Intel Core i7-8086K @ 5.00GHz (6 Cores / 12 Threads), Motherboard: ASRock Z370 Extreme4 (P3.10 BIOS), Memory: 32GB, Disk: 1000GB Samsung SSD 970 EVO 1TB + 2048GB ADATA SX8200PNP + 8002GB Western Digital WD80EMAZ-00W + 4001GB Western Digital WD40EMRX-82U + 1000GB CT1000MX500SSD1 + 8002GB Backup+ Hub BK + 128GB SD/MMC, Graphics: NVIDIA GeForce RTX 2080 8GB (1275/7000MHz), Audio: Realtek ALC1220, Monitor: XB271HU

OS: VHM 9.1.2, Kernel: 5.7.0-rc6 (x86_64) 20200519, Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: NVIDIA 440.82, OpenGL: 4.5.0, Compiler: GCC 10.1.0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 4480x1440

Compiler Notes: --enable-languages=c,c++,d,fortran,go,objc,obj-c++
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0x96
OpenCL Notes: GPU Compute Cores: 2944
Python Notes: Python 3.8.3
Security Notes: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + 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 23 May 2020 12:06 by user skeetre.