SiFive RISC-V HiFive Unmatched Benchmarks

StarFive VF2 Benchmarks

HTML result view exported from: https://openbenchmarking.org/result/2308037-NE-2308019NE83&sor&grt.

SiFive RISC-V HiFive Unmatched BenchmarksProcessorMotherboardMemoryDiskGraphicsAudioMonitorChipsetOSKernelDesktopDisplay ServerCompilerFile-SystemScreen ResolutionHiFive Unmatched - Ubuntu 21.04HiFive Unmatched - Ubuntu 21.10StarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1SiFive RISC-V (4 Cores)SiFive HiFive Unmatched A0016GB1000GB Samsung SSD 980 1TB + 32GB SC32GSapphire AMD Radeon HD 6770AMD Juniper HDMI AudioLG Ultra HDUbuntu 21.045.11.0-1018-generic (riscv64)GNOME Shell 3.38.4X ServerGCC 10.3.0ext41920x1080SiFive FU740-C000 RISC-V SoCUbuntu 21.105.13.0-1002-generic (riscv64)GNOME Shell 40.2GCC 11.2.0SiFive RISC-V @ 1.50GHz (4 Cores)StarFive VisionFive V28GB1000GB Samsung SSD 970 EVO Plus 1TB + 128GB SR128starfiveDELL U2311HDebian5.15.0-starfive (riscv64)GCC 12.2.0ARMv8 Cortex-A72 @ 1.50GHz (4 Cores)Raspberry Pi 4 Model B Rev 1.42048MB128GB SK128Debian GNU/Linux 126.1.0-10-arm64 (aarch64)OpenBenchmarking.orgCompiler Details- HiFive Unmatched - Ubuntu 21.04: --build=riscv64-linux-gnu --disable-libitm --disable-libquadmath --disable-libquadmath-support --disable-libsanitizer --disable-multilib --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=riscv64-linux-gnu --program-prefix=riscv64-linux-gnu- --target=riscv64-linux-gnu --with-abi=lp64d --with-arch=rv64imafdc --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v - HiFive Unmatched - Ubuntu 21.10: --build=riscv64-linux-gnu --disable-libitm --disable-libquadmath --disable-libquadmath-support --disable-multilib --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=4 --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=riscv64-linux-gnu --program-prefix=riscv64-linux-gnu- --target=riscv64-linux-gnu --with-abi=lp64d --with-arch=rv64imafdc --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v - StarFive VisionFive2 - Debian 11 SFi Build 202306: --build=riscv64-linux-gnu --disable-libitm --disable-libquadmath --disable-libquadmath-support --disable-multilib --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=riscv64-linux-gnu --program-prefix=riscv64-linux-gnu- --target=riscv64-linux-gnu --with-abi=lp64d --with-arch=rv64gc --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v - RPi4 4GB - Debian 12.1: --build=aarch64-linux-gnu --disable-libquadmath --disable-libquadmath-support --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=aarch64-linux-gnu --program-prefix=aarch64-linux-gnu- --target=aarch64-linux-gnu --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v Python Details- HiFive Unmatched - Ubuntu 21.04: Python 3.9.5- HiFive Unmatched - Ubuntu 21.10: Python 3.9.7- StarFive VisionFive2 - Debian 11 SFi Build 202306: Python 3.10.9- RPi4 4GB - Debian 12.1: Python 3.11.2Processor Details- StarFive VisionFive2 - Debian 11 SFi Build 202306: Scaling Governor: cpufreq-dt ondemand- RPi4 4GB - Debian 12.1: Scaling Governor: cpufreq-dt schedutilKernel Details- RPi4 4GB - Debian 12.1: Transparent Huge Pages: alwaysSecurity Details- RPi4 4GB - Debian 12.1: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Vulnerable + srbds: Not affected + tsx_async_abort: Not affected

SiFive RISC-V HiFive Unmatched Benchmarkscompress-7zip: Compress Speed Testcoremark: CoreMark Size 666 - Iterations Per Seconddolfyn: Computational Fluid Dynamicsespeak: Text-To-Speech Synthesisencode-flac: WAV To FLACoctave-benchmark: octave-benchmark: synthmark: VoiceMark_100graphics-magick: Swirlgraphics-magick: Rotategraphics-magick: Sharpengraphics-magick: Enhancedgraphics-magick: Resizinggraphics-magick: Noise-Gaussiangraphics-magick: HWB Color Spacecompress-gzip: Linux Source Tree Archiving To .tar.gzavifenc: 6compress-lz4: 1 - Compression Speedcompress-lz4: 1 - Decompression Speedcompress-lz4: 3 - Compression Speedcompress-lz4: 3 - Decompression Speedcompress-lz4: 9 - Compression Speedcompress-lz4: 9 - Decompression Speedencode-ape: WAV To APEocrmypdf: Processing 60 Page PDF Documentopenssl: SHA256openssl: RSA4096openssl: RSA4096phpbench: PHP Benchmark Suitepybench: Total For Average Test Timesrnnoise: securemark: SecureMark-TLSsmallpt: Global Illumination Renderer; 128 Samplesstress-ng: MMAPstress-ng: MEMFDstress-ng: Atomicstress-ng: Cryptostress-ng: Mallocstress-ng: Forkingstress-ng: SENDFILEstress-ng: CPU Cachestress-ng: CPU Stressstress-ng: Semaphoresstress-ng: Matrix Mathstress-ng: Vector Mathstress-ng: Memory Copyingstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: Glibc C String Functionsstress-ng: Glibc Qsort Data Sortingstress-ng: System V Message Passingbuild-gdb: Time To Compileencode-wavpack: WAV To WavPackwebp: Defaultwebp: Quality 100webp: Quality 100, Losslesswebp: Quality 100, Highest Compressionx265: Bosphorus 4Kcompress-zstd: 3 - Compression Speedcompress-zstd: 3 - Decompression Speedcompress-zstd: 8 - Compression Speedcompress-zstd: 8 - Decompression Speedcompress-zstd: 19 - Compression Speedcompress-zstd: 19 - Decompression Speedcompress-zstd: 19, Long Mode - Compression Speedcompress-zstd: 19, Long Mode - Decompression SpeedHiFive Unmatched - Ubuntu 21.04HiFive Unmatched - Ubuntu 21.10StarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1143213032.577378842.218390.019438.153264.84552.45589257320621449.730113.69110.43.23109.93.10109.9514.7841189.9796788026327.21990.53311324919216.38316655583.8451.396.7646799.9475.481415782.102341.235664.0012.64169.24109226.27518.49368.5130.91166.81107998.1614526.614.85260082.912114.520838.97739.74751.583255.98092.30236.876.08.1277.91.1370.60.9272.4160515995.449931593.212322.075366.640230.74363.118810288325724377.3081552.057127.34121.53.81122.23.70122.3416.0161008.5727805529732.42365.54105821056180.06520389488.3861.627.4955091.2390.341559514.063000.707439.6516.64206.98118296.13618.44447.4235.11177.82139323.3817541.675.69396600.511909.291704.99134.02843.377215.38078.8530.1139.787.88.8489.41.3581.81.0983.9201319515.657186308.854231.131280.98178.1022145194311038227.8201259.357382.15402.86.30407.26.14407.3347.6977800610033.62254.86345012901131.30726518382.2392.3313.9976939.42105.992157967.645084.738500.8442.00220.34210530.27687.30478.8786.82342.64225169.4716002.186.791300979.51487.18625.51832.369149.51457.4710.1359.7203.310.9208.31.64176.41.39182.3376631713.239462101.643116.44485.264234.7234510317185426136171.70853.01536892732396.27437.1166822395663.04248125124.5572.1314.0576609.39369.042639691.841993.4714732.90192.93447.35223470.891164.424619.3199.47309.62230663.4184724.5612.821067155.47225.6527.56110.86888.40025.4730.6569.412.3OpenBenchmarking.org

7-Zip Compression

Compress Speed Test

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 16.02Compress Speed TestRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.048001600240032004000SE +/- 5.29, N = 3SE +/- 51.19, N = 9SE +/- 26.43, N = 12SE +/- 5.04, N = 337662013160514321. (CXX) g++ options: -pipe -lpthread

Coremark

CoreMark Size 666 - Iterations Per Second

OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.047K14K21K28K35KSE +/- 7.96, N = 3SE +/- 1.73, N = 3SE +/- 23.78, N = 3SE +/- 22.47, N = 331713.2419515.6615995.4513032.581. (CC) gcc options: -O2 -lrt" -lrt

Dolfyn

Computational Fluid Dynamics

OpenBenchmarking.orgSeconds, Fewer Is BetterDolfyn 0.527Computational Fluid DynamicsRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.042004006008001000SE +/- 0.29, N = 3SE +/- 0.70, N = 3SE +/- 11.58, N = 9SE +/- 22.67, N = 9101.64308.85593.21842.22

eSpeak-NG Speech Engine

Text-To-Speech Synthesis

OpenBenchmarking.orgSeconds, Fewer Is BettereSpeak-NG Speech Engine 20200907Text-To-Speech SynthesisRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0480160240320400SE +/- 0.66, N = 4SE +/- 0.18, N = 4SE +/- 1.25, N = 4SE +/- 1.63, N = 4116.44231.13322.08390.021. (CC) gcc options: -O2 -std=c99

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0490180270360450SE +/- 0.37, N = 5SE +/- 1.39, N = 5SE +/- 0.12, N = 5SE +/- 0.08, N = 585.26280.98366.64438.15-logg-logg1. (CXX) g++ options: -O2 -fvisibility=hidden -lm

GNU Octave Benchmark

OpenBenchmarking.orgSeconds, Fewer Is BetterGNU Octave Benchmark 6.1.1~hg.2021.01.26HiFive Unmatched - Ubuntu 21.0460120180240300SE +/- 0.41, N = 5264.85

GNU Octave Benchmark

OpenBenchmarking.orgSeconds, Fewer Is BetterGNU Octave Benchmark 6.2.0HiFive Unmatched - Ubuntu 21.1050100150200250SE +/- 1.31, N = 5230.74

Google SynthMark

Test: VoiceMark_100

OpenBenchmarking.orgVoices, More Is BetterGoogle SynthMark 20201109Test: VoiceMark_100RPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0450100150200250SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.58, N = 3SE +/- 0.33, N = 3234.7278.1063.1252.461. (CXX) g++ options: -lm -lpthread -std=c++11 -Ofast

GraphicsMagick

Operation: Swirl

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SwirlRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.041020304050SE +/- 0.50, N = 4SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.13, N = 154514109-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: Rotate

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0420406080100SE +/- 1.15, N = 3SE +/- 0.39, N = 14SE +/- 0.00, N = 3103512825-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: Sharpen

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SharpenRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0448121620SE +/- 0.00, N = 3SE +/- 0.09, N = 15SE +/- 0.00, N = 317987-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: Enhanced

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: EnhancedRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0448121620SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 318433-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: Resizing

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.041224364860SE +/- 0.00, N = 3SE +/- 0.27, N = 8SE +/- 0.00, N = 354312520-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: Noise-Gaussian

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Noise-GaussianRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04612182430SE +/- 0.00, N = 3SE +/- 0.09, N = 15SE +/- 0.00, N = 3261076-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

GraphicsMagick

Operation: HWB Color Space

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: HWB Color SpaceRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04306090120150SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3136382421-lxml2-pthread1. (CC) gcc options: -fopenmp -O2 -ljpeg -lz -lm -lpthread

Gzip Compression

Linux Source Tree Archiving To .tar.gz

OpenBenchmarking.orgSeconds, Fewer Is BetterGzip CompressionLinux Source Tree Archiving To .tar.gzRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04100200300400500SE +/- 1.54, N = 7SE +/- 0.76, N = 3SE +/- 0.46, N = 3SE +/- 1.17, N = 3171.71227.82377.31449.73

libavif avifenc

Encoder Speed: 6

OpenBenchmarking.orgSeconds, Fewer Is Betterlibavif avifenc 0.9.0Encoder Speed: 6StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.1030060090012001500SE +/- 3.35, N = 3SE +/- 7.17, N = 31259.361552.06-latomic1. (CXX) g++ options: -O3 -fPIC -lm

LZ4 Compression

Compression Level: 1 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 1 - Compression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0480160240320400SE +/- 1.02, N = 3SE +/- 0.50, N = 3SE +/- 0.13, N = 3382.15127.34113.691. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 1 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 1 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0490180270360450SE +/- 0.32, N = 3SE +/- 0.82, N = 3SE +/- 0.00, N = 3402.8121.5110.41. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 3 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Compression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04246810SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 36.303.813.231. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 3 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0490180270360450SE +/- 0.28, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3407.2122.2109.91. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 9 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Compression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 36.143.703.101. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 9 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0490180270360450SE +/- 0.12, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3407.3122.3109.91. (CC) gcc options: -O3

Monkey Audio Encoding

WAV To APE

OpenBenchmarking.orgSeconds, Fewer Is BetterMonkey Audio Encoding 3.99.6WAV To APERPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04110220330440550SE +/- 0.95, N = 25SE +/- 0.70, N = 5SE +/- 0.09, N = 5SE +/- 0.16, N = 553.02347.70416.02514.78-latomic-latomic1. (CXX) g++ options: -O3 -pedantic -rdynamic -lrt

OCRMyPDF

Processing 60 Page PDF Document

OpenBenchmarking.orgSeconds, Fewer Is BetterOCRMyPDF 10.3.1+dfsgProcessing 60 Page PDF DocumentHiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0430060090012001500SE +/- 1.24, N = 3SE +/- 1.62, N = 31008.571189.98

OpenSSL

Algorithm: SHA256

OpenBenchmarking.orgbyte/s, More Is BetterOpenSSL 3.0Algorithm: SHA256RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.0480M160M240M320M400MSE +/- 153644.22, N = 3SE +/- 229553.47, N = 3SE +/- 990884.66, N = 12SE +/- 31477.46, N = 33689273237805529778006100678802631. (CC) gcc options: -pthread -O3 -lssl -lcrypto -ldl

OpenSSL

Algorithm: RSA4096

OpenBenchmarking.orgsign/s, More Is BetterOpenSSL 3.0Algorithm: RSA4096RPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0420406080100SE +/- 0.12, N = 3SE +/- 0.27, N = 9SE +/- 0.00, N = 3SE +/- 0.03, N = 396.233.632.427.21. (CC) gcc options: -pthread -O3 -lssl -lcrypto -ldl

OpenSSL

Algorithm: RSA4096

OpenBenchmarking.orgverify/s, More Is BetterOpenSSL 3.0Algorithm: RSA4096RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.0416003200480064008000SE +/- 0.75, N = 3SE +/- 0.15, N = 3SE +/- 1.01, N = 9SE +/- 0.64, N = 37437.12365.52254.81990.51. (CC) gcc options: -pthread -O3 -lssl -lcrypto -ldl

PHPBench

PHP Benchmark Suite

OpenBenchmarking.orgScore, More Is BetterPHPBench 0.8.1PHP Benchmark SuiteRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0440K80K120K160K200KSE +/- 741.57, N = 3SE +/- 245.40, N = 3SE +/- 402.44, N = 3SE +/- 198.98, N = 3166822634504105833113

PyBench

Total For Average Test Times

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyBench 2018-02-16Total For Average Test TimesRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.045K10K15K20K25KSE +/- 19.97, N = 3SE +/- 36.88, N = 3SE +/- 220.88, N = 3SE +/- 304.53, N = 33956129012105624919

RNNoise

OpenBenchmarking.orgSeconds, Fewer Is BetterRNNoise 2020-06-28RPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0450100150200250SE +/- 0.49, N = 3SE +/- 0.26, N = 3SE +/- 0.46, N = 3SE +/- 0.13, N = 363.04131.31180.07216.381. (CC) gcc options: -O2 -pedantic -fvisibility=hidden

SecureMark

Benchmark: SecureMark-TLS

OpenBenchmarking.orgmarks, More Is BetterSecureMark 1.0.4Benchmark: SecureMark-TLSRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0410K20K30K40K50KSE +/- 281.98, N = 3SE +/- 300.61, N = 3SE +/- 65.35, N = 3SE +/- 128.73, N = 348125265182038916655-latomic-latomic1. (CC) gcc options: -pedantic -O3

Smallpt

Global Illumination Renderer; 128 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04130260390520650SE +/- 0.06, N = 3SE +/- 0.15, N = 3SE +/- 1.32, N = 3SE +/- 1.36, N = 3124.56382.24488.39583.851. (CXX) g++ options: -fopenmp -O3

Stress-NG

Test: MMAP

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: MMAPStarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.040.52431.04861.57292.09722.6215SE +/- 0.02, N = 6SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 32.332.131.621.39-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: MEMFD

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: MEMFDRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0448121620SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.04, N = 314.0513.997.496.76-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Atomic

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: AtomicStarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0416K32K48K64K80KSE +/- 297.22, N = 3SE +/- 3.71, N = 3SE +/- 53.70, N = 3SE +/- 54.09, N = 376939.4276609.3955091.2346799.94-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Crypto

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: CryptoRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0480160240320400SE +/- 0.28, N = 3SE +/- 1.20, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 3369.04105.9990.3475.48-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Malloc

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: MallocRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04600K1200K1800K2400K3000KSE +/- 9138.47, N = 3SE +/- 19462.16, N = 3SE +/- 5560.18, N = 3SE +/- 7930.82, N = 32639691.842157967.641559514.061415782.10-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Forking

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: ForkingStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04RPi4 4GB - Debian 12.111002200330044005500SE +/- 36.69, N = 15SE +/- 26.17, N = 3SE +/- 14.08, N = 3SE +/- 15.73, N = 35084.733000.702341.231993.47-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: SENDFILE

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: SENDFILERPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.043K6K9K12K15KSE +/- 10.30, N = 3SE +/- 107.10, N = 3SE +/- 18.65, N = 3SE +/- 9.41, N = 314732.908500.847439.655664.00-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: CPU Cache

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: CPU CacheRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.044080120160200SE +/- 0.47, N = 3SE +/- 0.43, N = 3SE +/- 0.20, N = 15SE +/- 0.20, N = 15192.9342.0016.6412.64-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: CPU Stress

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: CPU StressRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04100200300400500SE +/- 0.24, N = 3SE +/- 1.88, N = 8SE +/- 0.17, N = 3SE +/- 0.32, N = 3447.35220.34206.98169.24-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Semaphores

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: SemaphoresRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0450K100K150K200K250KSE +/- 376.94, N = 3SE +/- 395.71, N = 3SE +/- 201.55, N = 3SE +/- 271.11, N = 3223470.89210530.27118296.13109226.27-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Matrix Math

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Matrix MathRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0430060090012001500SE +/- 11.24, N = 3SE +/- 7.36, N = 15SE +/- 0.52, N = 3SE +/- 0.42, N = 31164.42687.30618.44518.49-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Vector Math

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Vector MathRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0410002000300040005000SE +/- 0.78, N = 3SE +/- 3.93, N = 8SE +/- 0.60, N = 3SE +/- 0.07, N = 34619.31478.87447.42368.51-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Memory Copying

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Memory CopyingRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0420406080100SE +/- 0.63, N = 3SE +/- 0.33, N = 3SE +/- 0.48, N = 15SE +/- 0.42, N = 1599.4786.8235.1130.91-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Socket ActivityStarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0470140210280350SE +/- 2.52, N = 15SE +/- 0.43, N = 3SE +/- 0.35, N = 3SE +/- 1.57, N = 15342.64309.62177.82166.81-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Context Switching

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Context SwitchingRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0450K100K150K200K250KSE +/- 1019.78, N = 3SE +/- 4710.96, N = 12SE +/- 1611.55, N = 15SE +/- 2356.81, N = 15230663.41225169.47139323.38107998.16-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Glibc C String Functions

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Glibc C String FunctionsRPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.0420K40K60K80K100KSE +/- 29.80, N = 3SE +/- 74.02, N = 3SE +/- 187.56, N = 3SE +/- 31.08, N = 384724.5617541.6716002.1814526.61-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: Glibc Qsort Data Sorting

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Glibc Qsort Data SortingRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.043691215SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 312.826.795.694.85-lz-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Stress-NG

Test: System V Message Passing

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: System V Message PassingStarFive VisionFive2 - Debian 11 SFi Build 202306RPi4 4GB - Debian 12.1HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04300K600K900K1200K1500KSE +/- 16412.46, N = 3SE +/- 2788.13, N = 3SE +/- 4648.34, N = 15SE +/- 9443.62, N = 151300979.511067155.47396600.51260082.91-lz-lz1. (CC) gcc options: -O2 -std=gnu99 -lm -lcrypt -lrt -ldl -pthread -lc -latomic

Timed GDB GNU Debugger Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GDB GNU Debugger Compilation 10.2Time To CompileHiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.045001000150020002500SE +/- 1.42, N = 3SE +/- 1.42, N = 31909.292114.52

WavPack Audio Encoding

WAV To WavPack

OpenBenchmarking.orgSeconds, Fewer Is BetterWavPack Audio Encoding 5.3WAV To WavPackRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.042004006008001000SE +/- 0.09, N = 5SE +/- 0.03, N = 5SE +/- 0.93, N = 5SE +/- 1.47, N = 5225.65487.19704.99838.98-latomic-latomic1. (CXX) g++ options: -rdynamic

WebP Image Encode

Encode Settings: Default

OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: DefaultRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.04918273645SE +/- 0.006, N = 3SE +/- 0.041, N = 3SE +/- 0.055, N = 3SE +/- 0.129, N = 37.56125.51834.02839.747-pthread1. (CC) gcc options: -fvisibility=hidden -O2 -lm -ljpeg -lpng16

WebP Image Encode

Encode Settings: Quality 100

OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100RPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.041224364860SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.62, N = 3SE +/- 0.33, N = 310.8732.3743.3851.58-pthread1. (CC) gcc options: -fvisibility=hidden -O2 -lm -ljpeg -lpng16

WebP Image Encode

Encode Settings: Quality 100, Lossless

OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100, LosslessRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0460120180240300SE +/- 0.54, N = 3SE +/- 0.52, N = 3SE +/- 0.23, N = 3SE +/- 0.32, N = 388.40149.51215.38255.98-pthread1. (CC) gcc options: -fvisibility=hidden -O2 -lm -ljpeg -lpng16

WebP Image Encode

Encode Settings: Quality 100, Highest Compression

OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100, Highest CompressionRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0420406080100SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 1.04, N = 3SE +/- 0.99, N = 325.4757.4778.8592.30-pthread1. (CC) gcc options: -fvisibility=hidden -O2 -lm -ljpeg -lpng16

x265

Video Input: Bosphorus 4K

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.4Video Input: Bosphorus 4KRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.100.14630.29260.43890.58520.7315SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 30.650.130.11-lnuma -latomic1. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl

Zstd Compression

Compression Level: 3 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 3 - Compression SpeedRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.041530456075SE +/- 0.07, N = 3SE +/- 0.33, N = 3SE +/- 0.35, N = 3SE +/- 0.43, N = 469.459.739.736.81. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 3 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 3 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.044080120160200SE +/- 1.34, N = 3SE +/- 0.17, N = 3SE +/- 0.13, N = 4203.387.876.01. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 8 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 8 - Compression SpeedRPi4 4GB - Debian 12.1StarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.043691215SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.04, N = 312.3010.908.848.121. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 8 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 8 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.0450100150200250SE +/- 0.12, N = 3SE +/- 0.15, N = 3SE +/- 0.06, N = 3208.389.477.91. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 19 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 19 - Compression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.040.3690.7381.1071.4761.845SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 31.641.351.131. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 19 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 19 - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.044080120160200SE +/- 0.13, N = 3SE +/- 0.03, N = 3SE +/- 0.17, N = 3176.481.870.61. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 19, Long Mode - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 19, Long Mode - Compression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.040.31280.62560.93841.25121.564SE +/- 0.00, N = 3SE +/- 0.01, N = 5SE +/- 0.00, N = 31.391.090.921. (CC) gcc options: -O3 -pthread -lz

Zstd Compression

Compression Level: 19, Long Mode - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.0Compression Level: 19, Long Mode - Decompression SpeedStarFive VisionFive2 - Debian 11 SFi Build 202306HiFive Unmatched - Ubuntu 21.10HiFive Unmatched - Ubuntu 21.044080120160200SE +/- 0.41, N = 3SE +/- 0.17, N = 5SE +/- 0.09, N = 3182.383.972.41. (CC) gcc options: -O3 -pthread -lz

Phoronix Test Suite v10.8.5