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.

Source Repository

github.com

Test Created

16 October 2020

Last Updated

4 January 2023

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

3 Minutes, 15 Seconds

Average Run Time

33 Minutes, 40 Seconds

Test Dependencies

C/C++ Compiler Toolchain + 7-Zip / p7zip + Libtool + Yasm Assembler

Accolades

40k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsKvazaar Popularity Statisticspts/kvazaar2020.102020.122021.022021.042021.062021.082021.102021.122022.022022.042022.062022.082022.102022.122023.022023.042023.062023.082023.102023.122024.022024.042024.0616K32K48K64K80K
* Uploading of benchmark result data to OpenBenchmarking.org is always optional (opt-in) via the Phoronix Test Suite for users wishing to share their results publicly.
** 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 7 June 2024.
Bosphorus 4K64.9%Bosphorus 1080p35.1%Video Input Option PopularityOpenBenchmarking.org
Ultra Fast21.9%Slow16.3%Very Fast21.1%Super Fast16.8%Medium23.9%Video Preset Option PopularityOpenBenchmarking.org

Revision History

pts/kvazaar-1.2.0   [View Source]   Wed, 04 Jan 2023 10:52:55 GMT
Update against Kvazaar 2.2 upstream.

pts/kvazaar-1.1.1   [View Source]   Sun, 12 Dec 2021 19:24:06 GMT
Fix for filename collision on Windows.

pts/kvazaar-1.1.0   [View Source]   Wed, 13 Oct 2021 09:21:18 GMT
Update against upstream kvazaar 2.1, has some performance optimizations.

pts/kvazaar-1.0.0   [View Source]   Fri, 16 Oct 2020 18:33:23 GMT
Initial commit of Kvazaar H.265 video encoder benchmark.

Suites Using This Test

Video Encoding

C/C++ Compiler Tests

Encoding

Multi-Core

Creator Workloads


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 1,293 public results since 4 January 2023 with the latest data as of 9 June 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.

Component
Percentile Rank
# Compatible Public Results
Frames Per Second (Average)
99th
17
63.4 +/- 1.7
98th
38
61.3 +/- 6.9
97th
18
56.2 +/- 2.5
95th
12
46.3 +/- 0.8
92nd
13
40.2 +/- 0.7
91st
8
39.7 +/- 0.7
90th
12
38.9 +/- 0.1
83rd
8
28.0 +/- 2.4
83rd
5
25.9 +/- 1.8
81st
12
24.7 +/- 0.1
80th
13
24.5 +/- 0.5
79th
12
23.6 +/- 0.6
76th
42
22.7 +/- 0.7
Mid-Tier
75th
< 22.4
75th
5
22.0 +/- 0.1
72nd
5
21.2 +/- 0.1
71st
28
21.1 +/- 0.5
70th
16
21.0 +/- 0.1
68th
9
20.6 +/- 0.1
66th
3
19.9 +/- 0.6
65th
30
19.6 +/- 0.6
65th
3
19.5 +/- 0.1
62nd
10
19.1 +/- 1.5
61st
20
18.9 +/- 1.3
61st
4
18.8 +/- 0.1
61st
11
18.8 +/- 0.1
57th
33
16.9 +/- 0.3
55th
9
16.2 +/- 0.1
54th
22
15.9 +/- 0.6
Median
50th
15.3
50th
23
15.1 +/- 0.3
50th
21
15.0 +/- 0.5
45th
13
13.0 +/- 0.2
43rd
20
12.7 +/- 0.3
43rd
4
12.7 +/- 0.1
41st
16
12.1 +/- 0.2
41st
8
12.1 +/- 0.7
37th
14
10.8 +/- 0.8
36th
4
10.7 +/- 0.1
35th
14
10.1 +/- 0.3
34th
4
10.1 +/- 0.4
34th
5
10.0 +/- 0.4
33rd
5
10.0 +/- 0.3
31st
14
9.6 +/- 0.2
30th
5
9.3 +/- 0.1
27th
3
8.9 +/- 0.1
27th
12
8.9 +/- 0.4
26th
3
8.8 +/- 0.1
26th
11
8.7 +/- 0.5
Low-Tier
25th
< 8.7
25th
8
8.6 +/- 1.1
23rd
9
8.3 +/- 0.4
21st
5
7.6 +/- 0.2
21st
3
7.5 +/- 0.1
20th
13
7.4 +/- 0.1
19th
3
6.9 +/- 0.2
19th
7
6.9 +/- 0.3
18th
11
6.9 +/- 0.4
18th
13
6.8 +/- 0.9
14th
7
6.1 +/- 0.1
14th
4
6.0 +/- 0.5
14th
13
5.9 +/- 0.5
11th
3
5.1 +/- 0.1
10th
3
4.8 +/- 0.2
9th
7
4.6 +/- 0.4
9th
3
4.1 +/- 0.1
8th
4
4.0 +/- 0.1
6th
6
2.9 +/- 0.1
4th
4
2.2 +/- 0.1
4th
3
2.2 +/- 0.1
OpenBenchmarking.orgDistribution Of Public Results - Video Input: Bosphorus 4K - Video Preset: Medium1289 Results Range From 0 To 67 Frames Per Second6121824303642485460667270140210280350

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.

OpenBenchmarking.orgMinutesTime Required To Complete BenchmarkVideo Input: Bosphorus 4K - Video Preset: MediumRun-Time714212835Min: 1 / Avg: 3.19 / Max: 33

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.1%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsVideo Input: Bosphorus 4K - Video Preset: MediumDeviation246810Min: 0 / Avg: 0.14 / Max: 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.

IntelAMDOpenBenchmarking.orgRelative Core Scaling To BaseKvazaar CPU Core ScalingVideo Input: Bosphorus 4K - Video Preset: Medium4681012141624324864962.014.026.038.0410.05

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.

CPU Architecture
Kernel Identifier
Verified On
Intel / AMD x86 64-bit
x86_64
(Many Processors)
ARMv8 64-bit
arm64
Apple M1 Pro, Apple M3 Max

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