BeforeCPU, AfterCPUUndervolt

Intel Core i7-8550U testing with a HUAWEI MACH-WX9-PCB (1.28 BIOS) and NVIDIA GeForce MX150 2GB on Ubuntu 19.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1905089-SP-BEFORECPU58,1905109-SP-AFTERCPUU06&grt.

BeforeCPU, AfterCPUUndervoltProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionCPU Test Before ModsUndervoltCPUIntel Core i7-8550U @ 4.00GHz (4 Cores / 8 Threads)HUAWEI MACH-WX9-PCB (1.28 BIOS)Intel Xeon E3-1200 v6/7th16384MB512GB SAMSUNG MZVLB512HAJQ-00000NVIDIA GeForce MX150 2GB (1708/2504MHz)Realtek ALC256Intel 8265 / 8275Ubuntu 19.045.0.0-13-generic (x86_64)GNOME Shell 3.32.0X Server 1.20.4NVIDIA 418.564.6.0GCC 8.3.0ext43000x2000NVIDIA GeForce MX150 2GB (1683/2504MHz)OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib --with-tune=generic --without-cuda-driver -v Processor Details- Scaling Governor: intel_pstate powersaveSecurity Details- KPTI + __user pointer sanitization + Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + SSB disabled via prctl and seccomp + PTE Inversion; VMX: conditional cache flushes SMT vulnerable

BeforeCPU, AfterCPUUndervoltcompress-7zip: Compress Speed Testapache: Static Web Page Servingc-ray: Total Time - 4K, 16 Rays Per Pixelcrafty: Elapsed Timeetqw-demo: 3000 x 2000ffmpeg: H.264 HD To NTSC DVencode-flac: WAV To FLAChimeno: Poisson Pressure Solverencode-mp3: WAV To MP3openssl: RSA 4096-bit Performancecompress-pbzip2: 256MB File Compressionpovray: Trace Timesmallpt: Global Illumination Renderer; 128 Samplesstream: Copystream: Scalestream: Triadstream: Addtachyon: Total Timemafft: Multiple Sequence Alignmenttscp: AI Chess Performancettsiod-renderer: Phong Rendering With Soft-Shadow Mappingx264: H.264 Video EncodingCPU Test Before ModsUndervoltCPU1509319648313.00693087555.7710.2510.32229134.4063515.53219.3146.612348412619118481179420.786.86127791312723.251541720014300.60720174756.239.889.93233233.6666414.93209.2044.812373912967122881219419.905.24120843713324.16OpenBenchmarking.org

7-Zip Compression

Compress Speed Test

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 16.02Compress Speed TestCPU Test Before ModsUndervoltCPU3K6K9K12K15KSE +/- 297.35, N = 3SE +/- 202.71, N = 715093154171. (CXX) g++ options: -pipe -lpthread

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.29Static Web Page ServingCPU Test Before ModsUndervoltCPU4K8K12K16K20KSE +/- 232.33, N = 8SE +/- 242.61, N = 819648200141. (CC) gcc options: -shared -fPIC -O2 -pthread

C-Ray

Total Time - 4K, 16 Rays Per Pixel

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelCPU Test Before ModsUndervoltCPU70140210280350SE +/- 0.57, N = 3SE +/- 0.64, N = 3313.00300.601. (CC) gcc options: -lm -lpthread -O3

Crafty

Elapsed Time

OpenBenchmarking.orgNodes Per Second, More Is BetterCrafty 25.2Elapsed TimeCPU Test Before ModsUndervoltCPU1.5M3M4.5M6M7.5MSE +/- 72866.58, N = 10SE +/- 107445.27, N = 3693087572017471. (CC) gcc options: -pthread -lstdc++ -fprofile-use -lm

ET: Quake Wars Demo

3000 x 2000

OpenBenchmarking.orgFrames Per Second, More Is BetterET: Quake Wars Demo3000 x 2000CPU Test Before ModsUndervoltCPU1326395265SE +/- 0.09, N = 3SE +/- 0.03, N = 355.7756.23

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 4.0.2H.264 HD To NTSC DVCPU Test Before ModsUndervoltCPU3691215SE +/- 0.16, N = 11SE +/- 0.17, N = 1110.259.881. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lm -lxcb -lxcb-shape -lxcb-xfixes -lasound -pthread -llzma -std=c11 -fomit-frame-pointer -fPIC -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -MMD -MF -MT

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACCPU Test Before ModsUndervoltCPU3691215SE +/- 0.09, N = 15SE +/- 0.14, N = 510.329.931. (CXX) g++ options: -O2 -fvisibility=hidden -logg -lm

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverCPU Test Before ModsUndervoltCPU5001000150020002500SE +/- 33.49, N = 5SE +/- 38.48, N = 4229123321. (CC) gcc options: -O3 -mavx2

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3CPU Test Before ModsUndervoltCPU816243240SE +/- 0.49, N = 3SE +/- 0.46, N = 334.4033.661. (CC) gcc options: -lm

OpenSSL

RSA 4096-bit Performance

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceCPU Test Before ModsUndervoltCPU140280420560700SE +/- 9.75, N = 12SE +/- 9.90, N = 126356641. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

Parallel BZIP2 Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.12256MB File CompressionCPU Test Before ModsUndervoltCPU48121620SE +/- 0.17, N = 10SE +/- 0.18, N = 1115.5314.931. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

POV-Ray

Trace Time

OpenBenchmarking.orgSeconds, Fewer Is BetterPOV-Ray 3.7.0.7Trace TimeCPU Test Before ModsUndervoltCPU50100150200250SE +/- 0.67, N = 3SE +/- 0.79, N = 3219.31209.201. (CXX) g++ options: -pipe -O3 -ffast-math -march=native -pthread -lSDL -lSM -lICE -lX11 -ltiff -ljpeg -lpng -lz -lrt -lm -lboost_thread -lboost_system

Smallpt

Global Illumination Renderer; 128 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesCPU Test Before ModsUndervoltCPU1122334455SE +/- 0.72, N = 3SE +/- 0.36, N = 346.6144.811. (CXX) g++ options: -fopenmp -O3

Stream

Type: Copy

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: CopyCPU Test Before ModsUndervoltCPU5K10K15K20K25KSE +/- 14.13, N = 5SE +/- 32.04, N = 523484237391. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Scale

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: ScaleCPU Test Before ModsUndervoltCPU3K6K9K12K15KSE +/- 31.49, N = 5SE +/- 19.22, N = 512619129671. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Triad

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: TriadCPU Test Before ModsUndervoltCPU3K6K9K12K15KSE +/- 20.45, N = 5SE +/- 35.51, N = 511848122881. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Add

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: AddCPU Test Before ModsUndervoltCPU3K6K9K12K15KSE +/- 31.72, N = 5SE +/- 41.50, N = 511794121941. (CC) gcc options: -O3 -march=native -fopenmp

Tachyon

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeCPU Test Before ModsUndervoltCPU510152025SE +/- 0.27, N = 7SE +/- 0.26, N = 720.7819.901. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

Timed MAFFT Alignment

Multiple Sequence Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 7.392Multiple Sequence AlignmentCPU Test Before ModsUndervoltCPU246810SE +/- 0.32, N = 12SE +/- 0.03, N = 36.865.241. (CC) gcc options: -std=c99 -O3 -lm -lpthread

TSCP

AI Chess Performance

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceCPU Test Before ModsUndervoltCPU300K600K900K1200K1500KSE +/- 1325.99, N = 5SE +/- 4271.50, N = 5127791312084371. (CC) gcc options: -O3 -march=native

TTSIOD 3D Renderer

Phong Rendering With Soft-Shadow Mapping

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.3bPhong Rendering With Soft-Shadow MappingCPU Test Before ModsUndervoltCPU306090120150SE +/- 1.85, N = 3SE +/- 2.16, N = 41271331. (CXX) g++ options: -O3 -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -fopenmp -fwhole-program -lstdc++

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2018-09-25H.264 Video EncodingCPU Test Before ModsUndervoltCPU612182430SE +/- 0.36, N = 5SE +/- 0.36, N = 523.2524.161. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

Phoronix Test Suite v10.8.4