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

12 December 2021

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

3 Minutes, 43 Seconds

Average Run Time

10 Minutes, 12 Seconds

Test Dependencies

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

Accolades

10k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsKvazaar Popularity Statisticspts/kvazaar2020.102020.112020.122021.012021.022021.032021.042021.052021.062021.072021.082021.092021.102021.112021.122022.012022.022022.032022.042022.052022.062022.072022.082022.092022.108K16K24K32K40K
* 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 current as of 3 October 2022.
Bosphorus 1080p46.8%Bosphorus 4K53.2%Video Input Option PopularityOpenBenchmarking.org
Slow20.5%Very Fast27.4%Ultra Fast27.4%Medium24.7%Video Preset Option PopularityOpenBenchmarking.org

Revision History

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

C/C++ Compiler Tests

Video Encoding

Encoding

Multi-Core

Creator Workloads


Performance Metrics

Analyze Test Configuration:

Kvazaar 2.1

Video Input: Bosphorus 4K - Video Preset: Very Fast

OpenBenchmarking.org metrics for this test profile configuration based on 1,085 public results since 13 October 2021 with the latest data as of 3 October 2022.

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)
100th
21
57.0 +/- 1.6
99th
5
54.3 +/- 0.9
98th
11
49.1 +/- 5.3
98th
4
48.0 +/- 0.2
97th
3
45.8 +/- 0.4
97th
5
44.6 +/- 2.7
95th
11
40.9 +/- 0.6
94th
11
39.8 +/- 1.3
93rd
4
38.6 +/- 0.1
92nd
6
37.0 +/- 0.6
91st
5
35.9 +/- 0.8
91st
9
35.9 +/- 0.6
87th
46
30.5 +/- 1.7
81st
35
28.5 +/- 1.1
81st
6
28.4 +/- 0.1
80th
8
28.2 +/- 3.2
79th
13
27.8 +/- 1.1
77th
23
26.4 +/- 0.6
Mid-Tier
75th
< 26.2
72nd
3
25.6 +/- 0.1
72nd
8
25.4 +/- 0.7
71st
3
25.2 +/- 0.5
67th
5
23.2 +/- 2.4
65th
19
22.1 +/- 1.8
65th
11
22.0 +/- 1.4
64th
10
21.6 +/- 0.1
62nd
16
21.0 +/- 1.1
60th
10
20.6 +/- 1.0
60th
8
20.6 +/- 0.5
57th
8
20.0 +/- 1.4
56th
13
19.5 +/- 0.5
55th
5
19.2 +/- 1.7
54th
8
18.7 +/- 0.3
53rd
16
18.5 +/- 0.6
53rd
6
18.4 +/- 0.2
53rd
14
18.3 +/- 1.4
Median
50th
17.4
50th
10
17.1 +/- 0.5
49th
10
16.9 +/- 0.3
46th
11
16.2 +/- 1.0
45th
9
16.1 +/- 2.2
42nd
8
15.1 +/- 1.2
42nd
7
15.1 +/- 0.1
41st
8
14.9 +/- 0.1
40th
4
14.5 +/- 0.7
39th
8
14.1 +/- 0.1
38th
10
13.8 +/- 1.1
38th
6
13.7 +/- 0.1
32nd
29
12.0 +/- 1.1
32nd
6
11.9 +/- 0.1
32nd
7
11.9 +/- 0.1
27th
9
9.7 +/- 1.1
Low-Tier
25th
< 9.2
25th
6
9.1 +/- 0.1
25th
3
9.1 +/- 1.0
23rd
9
8.7 +/- 0.1
22nd
7
8.4 +/- 0.4
22nd
9
8.3 +/- 0.1
20th
6
7.7 +/- 0.1
19th
6
7.4 +/- 0.4
18th
5
7.1 +/- 0.9
16th
3
6.4 +/- 0.1
15th
4
5.7 +/- 0.5
12th
3
4.6 +/- 0.5
10th
6
4.3 +/- 0.1
10th
5
4.2 +/- 0.5
10th
11
3.7 +/- 0.3
8th
7
3.4 +/- 0.1
OpenBenchmarking.orgDistribution Of Public Results - Video Input: Bosphorus 4K - Video Preset: Very Fast1065 Results Range From 0 To 60 Frames Per Second510152025303540455055604080120160200

Based on OpenBenchmarking.org data, the selected test / test configuration (Kvazaar 2.1 - Video Input: Bosphorus 4K - Video Preset: Very Fast) 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: Very FastRun-Time714212835Min: 1 / Avg: 3.22 / Max: 35

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: Very FastDeviation246810Min: 0 / Avg: 0.06 / 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: Very Fast2468121624641283691215

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 M2

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