Kvazaar
This is a test of Kvazaar as a CPU-based H.265/HEVC video encoder written in the C programming language and optimized in Assembly. Kvazaar is the winner of the 2016 ACM Open-Source Software Competition and developed at the Ultra Video Group, Tampere University, Finland.
To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark kvazaar.
Project Site
ultravideo.cs.tut.fiSource Repository
github.comTest Created
16 October 2020Last Updated
4 January 2023Test Maintainer
Michael LarabelTest Type
ProcessorAverage Install Time
3 Minutes, 57 SecondsAverage Run Time
33 Minutes, 40 SecondsTest Dependencies
C/C++ Compiler Toolchain + 7-Zip / p7zip + Libtool + Yasm AssemblerAccolades
40k+ DownloadsSupported Platforms
** Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
*** Test profile page view reporting began March 2021.
Data updated weekly as of 13 April 2024.
Suites Using This Test
Performance Metrics
Analyze Test Configuration:Kvazaar 2.2
Video Input: Bosphorus 4K - Video Preset: Medium
OpenBenchmarking.org metrics for this test profile configuration based on 1,061 public results since 4 January 2023 with the latest data as of 12 April 2024.
Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.
Based on OpenBenchmarking.org data, the selected test / test configuration (Kvazaar 2.2 - Video Input: Bosphorus 4K - Video Preset: Medium) has an average run-time of 4 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.1%.
Does It Scale Well With Increasing Cores?
Yes, based on the automated analysis of the collected public benchmark data, this test / test settings does generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.
Tested CPU Architectures
This benchmark has been successfully tested on the below mentioned architectures. The CPU architectures listed is where successful OpenBenchmarking.org result uploads occurred, namely for helping to determine if a given test is compatible with various alternative CPU architectures.
Recent Test Results
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1 System - 293 Benchmark Results |
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1 System - 158 Benchmark Results
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AMD Ryzen 7 7840HS - Framework FRANMZCP07 - 2 x 8192MB 5600MHz A-DATA AD5S56008G-B Microsoft Windows 11 Home Build 22631 - 10.0.22631.3296 - 31.0.22024.15004
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1 System - 250 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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1 System - 250 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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1 System - 250 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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1 System - 250 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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1 System - 250 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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76 Systems - 921 Benchmark Results
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1 System - 93 Benchmark Results
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AMD Ryzen Threadripper PRO 7965WX 24-Cores - ASUS Pro WS WRX90E-SAGE SE - AMD Device 14a4 Arch Linux - 6.8.1-arch1-1 - GCC 13.2.1 20230801 + Clang 17.0.6
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1 System - 32 Benchmark Results
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Intel Core i9-14900K - ASUS PRIME Z790-P - Intel Device 7a27 SystemRescue 10.01 - 6.1.30-1-lts - X Server 1.21.1.8
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1 System - 43 Benchmark Results
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AMD Ryzen Threadripper 7980X 64-Cores - System76 Thelio Major - AMD Device 14a4 Ubuntu 23.10 - 6.5.0-26-generic - GNOME Shell 45.2
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AMD Ryzen 9 7950X 16-Core - Supermicro H13SAE-MF v1.00 - AMD Device 14d8 Debian 12 - 6.1.0-18-amd64 - GCC 12.2.0
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1 System - 37 Benchmark Results
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1 System - 37 Benchmark Results
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AMD Ryzen 9 7950X 16-Core - Supermicro H13SAE-MF v1.00 - AMD Device 14d8 Debian 12 - 6.1.0-18-amd64 - GCC 12.2.0 |
Most Popular Test Results
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12 Systems - 69 Benchmark Results |
2 x AMD EPYC 9654 96-Core - AMD Titanite_4G - AMD Device 14a4 Ubuntu 23.04 - 6.2.0-23-generic - GNOME Shell 44.0 |
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5 Systems - 396 Benchmark Results |
AMD Ryzen 9 7950X 16-Core - ASUS ROG CROSSHAIR X670E HERO - AMD Device 14d8 Ubuntu 23.04 - 6.2.0-060200rc8daily20230213-generic - GNOME Shell 43.2 |
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4 Systems - 20 Benchmark Results |
AMD Ryzen 7 PRO 6850U - LENOVO 21CM0001US - AMD Device 14b5 Ubuntu 22.10 - 6.1.0-060100rc2daily20221028-generic - GNOME Shell 43.0 |
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1 System - 35 Benchmark Results |
AMD Ryzen 7 7840U - Framework FRANMDCP07 - AMD Device 14e8 Fedora Linux 39 - 6.5.6-300.fc39.x86_64 - KDE Plasma 5.27.8 |
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4 Systems - 20 Benchmark Results |
2 x AMD EPYC 9654 96-Core - AMD Titanite_4G - AMD Device 14a4 Ubuntu 23.04 - 5.19.0-21-generic - GNOME Shell 43.1 |
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2 Systems - 89 Benchmark Results |
AMD Ryzen 7 3800XT 8-Core - MSI X370 XPOWER GAMING TITANIUM - AMD Starship Debian 11 - 5.10.0-20-amd64 - X Server 1.20.11 |
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Featured Processor Comparison |
AMD Ryzen 7 7800X3D 8-Core - Gigabyte X670 AORUS ELITE AX - AMD Device 14d8 Pop 22.04 - 6.2.6-76060206-generic - GNOME Shell 42.5 |
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Featured Processor Comparison |
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AMD Ryzen 9 3900XT 12-Core - MSI MEG X570 GODLIKE - AMD Starship Ubuntu 22.04 - 5.15.0-53-generic - GNOME Shell 42.2 |
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AMD Ryzen 7 5800X3D 8-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 22.04 - 5.17.0-1019-oem - GNOME Shell 42.2 |
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8 Systems - 271 Benchmark Results |
AMD Ryzen 9 5900X 12-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 22.04 - 5.19.0-46-generic - GNOME Shell 42.5 |
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10 Systems - 272 Benchmark Results |
AMD Ryzen 5 5500 - ASUS ROG CROSSHAIR VIII HERO - AMD Renoir Ubuntu 22.04 - 5.19.0-46-generic - GNOME Shell 42.5 |
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4 Systems - 20 Benchmark Results |
Intel Core i7-1185G7 - Dell 0DXP1F - Intel Tiger Lake-LP Ubuntu 22.04 - 5.18.8-051808-generic - GNOME Shell 42.2 |
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3 Systems - 99 Benchmark Results |
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3 Systems - 191 Benchmark Results
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Intel Core i5-12600K - ASUS PRIME Z690-P WIFI D4 - Intel Device 7aa7 Ubuntu 22.04 - 5.19.0-051900rc6daily20220716-generic - GNOME Shell 42.1 |