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

13 October 2021

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

3 Minutes, 48 Seconds

Average Run Time

10 Minutes, 19 Seconds

Test Dependencies

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

Accolades

5k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsKvazaar Popularity Statisticspts/kvazaar2020.102020.112020.122021.012021.022021.032021.042021.052021.062021.072021.082021.092021.102021.112021.125K10K15K20K25K
* 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 December 2021.
Bosphorus 1080p48.9%Bosphorus 4K51.1%Video Input Option PopularityOpenBenchmarking.org
Slow22.4%Very Fast25.8%Ultra Fast26.1%Medium25.6%Video Preset Option PopularityOpenBenchmarking.org

Revision History

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: Ultra Fast

OpenBenchmarking.org metrics for this test profile configuration based on 357 public results since 13 October 2021 with the latest data as of 2 December 2021.

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
4
60.4 +/- 0.3
98th
8
59.5 +/- 0.4
95th
4
56.6 +/- 0.7
93rd
12
53.4 +/- 1.4
92nd
18
52.9 +/- 7.0
84th
4
48.4 +/- 0.2
82nd
9
47.9 +/- 5.5
79th
3
46.2 +/- 0.2
Mid-Tier
75th
< 45.7
70th
10
44.4 +/- 0.2
68th
14
44.1 +/- 0.9
65th
3
41.1 +/- 0.2
60th
9
37.2 +/- 0.8
58th
5
35.8 +/- 1.2
57th
3
35.7 +/- 0.2
56th
6
35.2 +/- 2.5
52nd
3
32.9 +/- 0.3
52nd
8
32.8 +/- 3.7
Median
50th
32.3
47th
3
30.0 +/- 0.1
46th
4
29.0 +/- 0.1
43rd
5
28.6 +/- 1.6
43rd
8
28.5 +/- 0.3
42nd
3
28.3 +/- 0.1
42nd
4
28.3 +/- 1.2
41st
3
28.2 +/- 1.3
36th
4
27.1 +/- 0.6
33rd
3
26.2 +/- 0.1
31st
7
24.7 +/- 2.3
29th
5
23.1 +/- 0.2
Low-Tier
25th
< 20.8
25th
3
20.7 +/- 0.3
24th
4
20.3 +/- 0.1
16th
3
14.0 +/- 0.1
12th
5
12.3 +/- 1.3
10th
4
9.4 +/- 0.1
8th
3
8.0 +/- 0.1
8th
3
8.0 +/- 0.8
7th
3
7.5 +/- 0.1
OpenBenchmarking.orgDistribution Of Public Results - Video Input: Bosphorus 4K - Video Preset: Ultra Fast340 Results Range From 1 To 66 Frames Per Second1713192531374349556167731428425670

Based on OpenBenchmarking.org data, the selected test / test configuration (Kvazaar 2.1 - Video Input: Bosphorus 4K - Video Preset: Ultra Fast) has an average run-time of 2 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: Ultra FastRun-Time246810Min: 1 / Avg: 1.17 / Max: 4

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: Ultra Fast468121624641.34582.69164.03745.38326.729

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