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, 19 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 25 July 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 1,397 public results since 4 January 2023 with the latest data as of 25 July 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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2 Systems - 37 Benchmark Results |
AMD Ryzen 9 5950X 16-Core - ASRock X570 Steel Legend - AMD Starship EndeavourOS rolling - 6.9.9-arch1-1 - KDE Plasma 6.1.2 |
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1 System - 28 Benchmark Results |
Intel Core i9-12900K - Gigabyte Z790 UD AX - 2 x 16384MB 4800MHz Corsair CMH32GX5M2B5200C40 Microsoft Windows 11 Pro Build 22631 - 10.0.22631.3880 - 555.99 |
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1 System - 1 Benchmark Result |
AMD Ryzen Threadripper 2990WX 32-Core - MSI X399 GAMING PRO CARBON AC - AMD 17h Ubuntu 22.04 - 5.15.0-113-generic - 1.3.255 |
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1 System - 34 Benchmark Results |
2 x INTEL XEON GOLD 6548Y+ - Dell PowerEdge R660 0NN3RP - Intel Device 1bce RedHatEnterprise 8.8 - 4.18.0-477.15.1.el8_8.x86_64 - GCC 8.5.0 20210514 |
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1 System - 31 Benchmark Results |
AMD EPYC 9684X 96-Core - Dell PowerEdge R7615 0DCCMY - AMD Device 14a4 RedHatEnterprise 8.8 - 4.18.0-477.15.1.el8_8.x86_64 - GCC 8.5.0 20210514 |
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1 System - 34 Benchmark Results |
2 x INTEL XEON GOLD 6548Y+ - Dell PowerEdge R660 0NN3RP - Intel Device 1bce RedHatEnterprise 8.8 - 4.18.0-477.15.1.el8_8.x86_64 - GCC 8.5.0 20210514 |
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1 System - 32 Benchmark Results |
2 x INTEL XEON GOLD 6548Y+ - Dell PowerEdge R660 0NN3RP - Intel Device 1bce RedHatEnterprise 8.8 - 4.18.0-477.15.1.el8_8.x86_64 - GCC 8.5.0 20210514 |
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3 Systems - 141 Benchmark Results |
Intel Xeon Gold 6148 - Supermicro X11SPW-TF v1.03 - Intel Sky Lake-E DMI3 Registers Ubuntu 22.04 - 5.15.0-112-generic - X Server |
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2 Systems - 516 Benchmark Results |
Snapdragon X Elite X1E78100 Qualcomm Oryon - ASUS S5507QAD - 1 x 16384MB 8448MHz Microsoft Windows 11 Home Build 26100 - 10.0.26100.863 - 31.0.56.0 |
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4 Systems - 590 Benchmark Results |
AMD Ryzen Threadripper PRO 7995WX 96-Cores - ASRock WRX90 WS EVO - AMD Device 14a4 Pop 22.04 - 6.8.0-76060800daily20240311-generic - GNOME Shell 42.9 |
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3 Systems - 570 Benchmark Results |
AMD Ryzen Threadripper PRO 7995WX 96-Cores - ASRock WRX90 WS EVO - AMD Device 14a4 Pop 22.04 - 6.8.0-76060800daily20240311-generic - GNOME Shell 42.9 |
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1 System - 37 Benchmark Results |
Intel 0000 - INTEL 13th Raptor Lake PCH B760-M D5 - Intel Alder Lake PCH Ubuntu 24.04 - 6.8.0-35-generic - GCC 13.2.0 |
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1 System - 444 Benchmark Results |
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1 System - 37 Benchmark Results
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AMD Ryzen 5 7600X 6-Core - MSI MAG B650M MORTAR WIFI - AMD Device 14d8 ManjaroLinux 24.0.2 - 6.8.10-lqx2-1-lqx - Cinnamon 6.0.4
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1 System - 1 Benchmark Result
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AMD FX-8370E Eight-Core - MSI 970A-G43 PLUS - AMD RD9x0 Neon 22.04 - 6.5.0-35-generic - KDE Plasma 6.0.5 |
Most Popular Test Results
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12 Systems - 69 Benchmark Results |
2 x Intel Xeon Max 9480 - Supermicro X13DEM v1.10 - Intel Device 1bce Ubuntu 23.04 - 6.2.0-23-generic - GNOME Shell 44.0 |
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5 Systems - 396 Benchmark Results |
AMD Ryzen 9 5950X 16-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 23.04 - 6.2.0-060200rc8daily20230213-generic - GNOME Shell 43.2 |
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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 |
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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6 Systems - 162 Benchmark Results |
AMD Ryzen 5 5600G - ASUS TUF GAMING B550M-PLUS - AMD Renoir Ubuntu 23.10 - 6.7.0-060700-generic - GNOME Shell 45.0 |
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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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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 - 328 Benchmark Results |
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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2 Systems - 244 Benchmark Results |
AMD Ryzen 9 7900X 12-Core - ASRockRack B650D4U-2L2T/BCM - AMD Device 14d8 Ubuntu 22.04 - 6.6.0-060600rc1daily20230913-generic - GNOME Shell 42.9 |
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2 Systems - 201 Benchmark Results |
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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3 Systems - 237 Benchmark Results |
AMD Ryzen 7 4800U - ASRock 4X4-4000 - AMD Renoir Ubuntu 22.04 - 5.19.0-rc6-phx-retbleed - GNOME Shell 42.2 |
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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 |
AMD Ryzen 9 5950X 16-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 7 5800X3D 8-Core - Gigabyte X570 AORUS MASTER - AMD Starship Debian - 6.3.0-1-amd64 - GNOME Shell 43.6 |
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3 Systems - 151 Benchmark Results |
Intel Core i7-10700T - Logic Supply RXM-181 - Intel Comet Lake PCH Ubuntu 22.04 - 5.15.0-56-generic - GNOME Shell 42.2 |