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, 40 SecondsAverage Run Time
42 Minutes, 48 SecondsTest Dependencies
C/C++ Compiler Toolchain + 7-Zip / p7zip + Libtool + Yasm AssemblerAccolades
50k+ 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 19 September 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 1,543 public results since 4 January 2023 with the latest data as of 16 September 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 0.2%.
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 - 12 Benchmark Results |
Intel Core i5-12450H - Oracle VirtualBox - 10GB Microsoft Windows 11 Home Build 22631 - 10.0.22631.4169 - 7.0.10.8379 |
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1 System - 1043 Benchmark Results |
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1 System - 10 Benchmark Results
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AMD EPYC 9554P 64-Core - Dell 0H7W4K - AMD Device 14a4 CentOS 9 - 5.14.0-503.el9.x86_64 - X Server
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1 System - 15 Benchmark Results
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Intel Core i5-14500 - ASUS ROG STRIX B760-G GAMING WIFI - 1 x 32768MB 6000MHz Team UD5-6000 Microsoft Windows 11 Pro Build 22631 - 10.0.22631.4037 - 31.0.101.5537
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1 System - 35 Benchmark Results
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AMD EPYC 9654 96-Core - Supermicro AS-2015HS-TNR H13SSH - AMD Device 14a4 Ubuntu 24.04 - 6.8.0-41-generic - GCC 13.2.0
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5 Systems - 32 Benchmark Results
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Common KVM - QEMU Standard PC - Intel 82G33 Ubuntu 22.04 - 5.15.0-119-generic - 1.3.255
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2 Systems - 38 Benchmark Results
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2 x Intel Xeon - Google Compute Engine - 128GB Ubuntu 20.04.4 LTS - 6.1.75+ - GCC 9.4.0
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2 Systems - 38 Benchmark Results
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2 x Intel Xeon - Google Compute Engine - 128GB Ubuntu 20.04.4 LTS - 6.1.75+ - GCC 9.4.0
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1 System - 93 Benchmark Results
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2 x AMD EPYC 9554 64-Core - Giga Computing MZ73-LM0-000 - 16 x 65536MB 4800MHz Samsung M321R8GA0PB0-CWMXJ Microsoft Windows Server 2022 Standard Build 20348 - 10.0.20348.2655 - 9.0.10.115
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1 System - 37 Benchmark Results
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AMD Ryzen 7 8700G - 30GB - 0GB Virtual Disk + 9GB Virtual Disk + 1100GB Virtual Disk Ubuntu 24.04 - 6.1.21.2-microsoft-standard-WSL2+ - Wayland
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1 System - 35 Benchmark Results
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Intel Core i7-14700HX - 32GB - 0GB Virtual Disk + 9GB Virtual Disk + 3 x 1100GB Virtual Disk Ubuntu 22.04 - 5.15.153.1-microsoft-standard-WSL2 - X Server + Wayland
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5 Systems - 73 Benchmark Results
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AMD Ryzen 9 9950X 16-Core - ASUS ROG STRIX X670E-E GAMING WIFI - AMD Device 14d8 Arch Linux - 6.10.5-arch1-1 - GNOME Shell 46.4
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4 Systems - 73 Benchmark Results
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AMD Ryzen 9 9950X 16-Core - ASUS ROG STRIX X670E-E GAMING WIFI - AMD Device 14d8 cachyos rolling - 6.10.5-2-cachyos - KDE Plasma 6.1.4
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1 System - 37 Benchmark Results
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AMD Ryzen Threadripper 7970X 32-Cores - ASRock TRX50 WS - AMD Device 14a4 Arch rolling - 6.10.5-arch1-1 - KDE Plasma 6.1.4
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5 Systems - 73 Benchmark Results
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AMD Ryzen 9 7950X 16-Core - ASUS ROG STRIX X670E-E GAMING WIFI - AMD Device 14d8 Ubuntu 24.04 - 6.8.0-40-generic - GNOME Shell 46.0 |
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 7 5800X3D 8-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 23.04 - 6.2.0-060200rc8daily20230213-generic - GNOME Shell 43.2 |
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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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3 Systems - 109 Benchmark Results |
AMD Ryzen 7 7840HS - Framework Laptop 16 - AMD Device 14e8 Ubuntu 23.10 - 6.5.0-27-generic - GNOME Shell 45.2 |
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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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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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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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3 Systems - 413 Benchmark Results |
AMD Ryzen 7 7840HS - Framework Laptop 16 - AMD Device 14e8 Ubuntu 24.04 - 6.10.0-061000rc4daily20240621-generic - GNOME Shell 46.0 |
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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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3 Systems - 273 Benchmark Results |
AMD Ryzen 7 PRO 6850U - LENOVO 21CM0001US - AMD 17h-19h PCIe Root Complex Ubuntu 23.04 - 6.2.0-23-generic - GNOME Shell 44.0 |
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Featured Processor Comparison |
AMD Ryzen 7 7700X 8-Core - ASUS ROG STRIX X670E-E GAMING WIFI - AMD Device 14d8 Ubuntu 23.10 - 6.5.0-9-generic - GNOME Shell 45.0 |
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Featured Processor Comparison |
AMD Ryzen 5 5600G - ASUS ROG CROSSHAIR VIII HERO - AMD Renoir Ubuntu 22.04 - 5.19.0-46-generic - GNOME Shell 42.5 |
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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 |