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.fi

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, 5 Seconds

Average Run Time

4 Minutes, 2 Seconds

Test Dependencies

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

Accolades

50k+ Downloads

Supported Platforms

Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsKvazaar Popularity Statisticspts/kvazaar2020.102020.122021.022021.042021.062021.082021.102021.122022.022022.042022.062022.082022.102022.122023.022023.042023.062023.082023.102023.122024.022024.042024.062024.082024.102024.1220K40K60K80K100K
* 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 16 January 2025.
Bosphorus 4K61.7%Bosphorus 1080p38.3%Video Input Option PopularityOpenBenchmarking.org
Ultra Fast21.3%Slow17.8%Very Fast21.0%Super Fast16.6%Medium23.4%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 1,752 public results since 4 January 2023 with the latest data as of 13 January 2025.

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)
2 x AMD EPYC 9755 128-Core
100th
13
80.5 +/- 8.7
2 x AMD EPYC 9655 96-Core
100th
5
74.0 +/- 2.2
2 x AMD EPYC 9965 192-Core
100th
3
73.1
AMD EPYC 9965 192-Core
100th
3
68.8
2 x AMD EPYC 9575F 64-Core
98th
3
63.3
2 x AMD EPYC 9684X 96-Core
98th
21
63.3 +/- 1.8
2 x AMD EPYC 9654 96-Core
97th
41
61.4 +/- 6.7
2 x AMD EPYC 9754 128-Core
96th
21
55.9 +/- 2.5
AMD EPYC 9755 128-Core
96th
13
54.7 +/- 1.1
AMD EPYC 9655 96-Core
94th
7
46.8 +/- 1.7
2 x AMD EPYC 9554 64-Core
94th
14
46.3 +/- 0.8
AMD Ryzen Threadripper PRO 7995WX 96-Cores
92nd
27
43.0 +/- 2.7
2 x INTEL XEON PLATINUM 8592
91st
15
41.8 +/- 0.3
AMD EPYC 9575F 64-Core
91st
3
41.3
AMD EPYC 9654 96-Core
89th
17
40.1 +/- 0.8
Intel Xeon 6980P
89th
7
40.0 +/- 0.4
AMD EPYC 9684X 96-Core
89th
12
39.8 +/- 0.8
AMD EPYC 9754 128-Core
88th
14
38.9 +/- 0.1
AMD Ryzen Threadripper 7980X 64-Cores
87th
16
36.6 +/- 0.8
2 x Intel Xeon Platinum 8490H
86th
26
32.5 +/- 0.6
AMD Ryzen Threadripper 7970X 32-Cores
83rd
9
31.8 +/- 0.4
2 x Intel Xeon 6980P
82nd
12
31.0 +/- 1.8
AMD EPYC 9554 64-Core
82nd
5
30.0
2 x INTEL XEON GOLD 6548Y
82nd
3
30.0 +/- 2.9
2 x Intel Xeon 6766E
82nd
3
29.2
2 x Intel Xeon Max 9480
81st
8
28.0 +/- 2.4
2 x Intel Xeon Max 9468
81st
5
25.9 +/- 1.8
AMD Ryzen Threadripper PRO 7965WX 24-Cores
79th
7
25.2 +/- 0.3
AMD Ryzen 9 9950X 16-Core
79th
23
25.1 +/- 1.2
INTEL XEON PLATINUM 8592
78th
13
24.7 +/- 0.1
AMD EPYC 8534P 64-Core
78th
13
24.5 +/- 0.5
AMD EPYC 8534PN 64-Core
77th
12
23.6 +/- 0.6
AMD EPYC 9384X 32-Core
76th
4
23.5
Mid-Tier
75th
< 23.3
AMD Ryzen 9 7950X 16-Core
74th
49
22.8 +/- 0.7
AMD EPYC 4564P 16-Core
73rd
5
22.0 +/- 0.1
Intel Xeon Platinum 8468
70th
5
21.2 +/- 0.1
AMD Ryzen 9 7950X3D 16-Core
69th
34
21.1 +/- 0.5
AMD EPYC 7543 32-Core
69th
3
21.0
Intel Xeon Platinum 8490H
69th
16
21.0 +/- 0.1
AMD EPYC 4584PX 16-Core
68th
4
20.7
Intel Xeon Platinum 8480
67th
9
20.6 +/- 0.1
2 x Intel Xeon Platinum 8380
67th
12
20.5 +/- 0.2
AMD EPYC 7513 32-Core
66th
7
20.3
Intel Core Ultra 9 285K
65th
17
20.1 +/- 1.6
AMD Ryzen Threadripper PRO 5965WX 24-Cores
65th
6
20.0 +/- 0.2
AMD EPYC 8324P 32-Core
65th
3
19.9 +/- 0.6
Intel Xeon Platinum 8471N
65th
3
19.5 +/- 0.1
Intel Core i9-14900K
64th
36
19.4 +/- 0.8
2 x Intel Xeon Gold 6342
63rd
3
19.3
AMD EPYC 7713P 64-Core
62nd
10
19.1 +/- 1.5
AMD Ryzen 9 9900X 12-Core
62nd
8
18.8 +/- 0.3
2 x AMD EPYC 7303 16-Core
62nd
4
18.8 +/- 0.1
Intel Xeon Max 9480
62nd
11
18.8 +/- 0.1
Intel Core i9-13900K
61st
23
18.7 +/- 1.3
2 x Intel Xeon Gold 6346
60th
3
18.4
Intel Xeon Max 9468
59th
6
18.1
AMD Ryzen 9 7945HX
59th
3
18.0 +/- 0.7
AMD Ryzen 9 7900X 12-Core
57th
38
16.8 +/- 0.3
Intel Xeon Gold 6421N
55th
9
16.2 +/- 0.1
AMD EPYC 7413 24-Core
55th
3
16.1
AMD Ryzen 9 5950X 16-Core
55th
30
15.9 +/- 0.6
Intel Xeon Platinum 8380
53rd
5
15.6
Intel Core Ultra 5 245K
52nd
5
15.3
Median
50th
15.2
AMD Ryzen 9 7900X3D 12-Core
50th
28
15.2 +/- 0.3
AMD Ryzen 9 7900 12-Core
50th
26
14.9 +/- 0.5
AMD Ryzen 7 9800X3D 8-Core
49th
7
14.7
AMD EPYC 4464P 12-Core
49th
3
14.7
AMD EPYC 4484PX 12-Core
48th
4
14.4
Intel Core i9-12900K
47th
3
13.9 +/- 0.3
AMD Ryzen 7 9700X 8-Core
46th
8
13.3 +/- 0.9
Intel Core i5-14600K
44th
18
12.8 +/- 0.3
AMD Ryzen 7 7700X 8-Core
44th
24
12.8 +/- 0.2
AMD EPYC 4364P 8-Core
43rd
4
12.5
Intel Core i5-13600K
42nd
7
12.3 +/- 0.5
AMD Ryzen 9 5900X 12-Core
42nd
14
12.2 +/- 0.5
AMD EPYC 4344P 8-Core
42nd
3
12.1
AMD Ryzen 7 7700 8-Core
41st
21
12.1 +/- 0.2
AMD Ryzen 7 7800X3D 8-Core
39th
26
11.4 +/- 0.3
AMD Ryzen Threadripper 3960X 24-Core
39th
3
11.3 +/- 0.1
AMD Ryzen 5 9600X 6-Core
38th
10
11.2 +/- 0.3
AMD Ryzen 7 8700G
37th
19
10.9 +/- 0.4
AMD Ryzen 9 3900XT 12-Core
37th
4
10.7
AMD Ryzen 9 3900X 12-Core
36th
4
10.7 +/- 0.1
AMD Ryzen 7 5800X 8-Core
35th
20
10.1 +/- 0.3
Intel Core i5-12600K
34th
4
10.1 +/- 0.4
Intel Core i9-10980XE
34th
5
10.0 +/- 0.4
AMD Ryzen 7 7840HS
34th
7
10.0 +/- 0.3
AMD EPYC 4244P 6-Core
32nd
3
9.6
AMD Ryzen 5 7600 6-Core
32nd
21
9.6 +/- 0.2
AMD Ryzen 7 5800X3D 8-Core
31st
22
9.5 +/- 0.3
Intel Xeon E E-2488
30th
5
9.3 +/- 0.1
Intel Core i9-10900K
28th
3
8.9 +/- 0.1
AMD Ryzen 5 8400F 6-Core
28th
7
8.9 +/- 0.1
AMD Ryzen 7 5700G
27th
12
8.9 +/- 0.4
AMD Ryzen 5 8600G
27th
16
8.8 +/- 0.5
2 x Intel Xeon Gold 5218
26th
3
8.8 +/- 0.1
Intel Core i5-14500
26th
13
8.7 +/- 1.1
AMD Ryzen 9 5900HX
26th
4
8.7 +/- 0.2
Low-Tier
25th
< 8.6
AMD Ryzen 7 3800XT 8-Core
25th
4
8.6
Intel Core i5-13400
25th
7
8.5 +/- 0.6
AMD Ryzen 7 PRO 7840U
24th
9
8.3 +/- 0.4
AMD Ryzen AI 9 HX 370
24th
7
8.2 +/- 0.6
Intel Core i5-14400F
24th
8
8.2 +/- 0.8
2 x Intel Xeon Gold 6430
23rd
4
8.0 +/- 0.7
AMD EPYC 7F32 8-Core
23rd
3
7.9
AMD Ryzen AI 9 365
22nd
7
7.7 +/- 0.2
AMD Ryzen 5 8500G
21st
5
7.6 +/- 0.2
AMD EPYC 7551 32-Core
21st
3
7.5 +/- 0.1
AMD EPYC 7551P 32-Core
20th
3
7.4
AMD Ryzen 5 5600G
20th
15
7.3 +/- 0.2
AMD Ryzen 5 5600X 6-Core
19th
6
7.1 +/- 0.6
AMD Ryzen 5 5500
19th
8
7.0 +/- 0.1
Intel Core i5-12400
18th
7
6.9 +/- 0.3
Intel Xeon E-2388G
18th
10
6.8
Intel Core Ultra 7 155H
17th
15
6.7 +/- 0.5
Intel Xeon Silver 4216
17th
3
6.7
AMD EPYC 4124P 4-Core
17th
4
6.6
AMD Ryzen 7 PRO 5850U
15th
7
6.1 +/- 0.1
AMD Ryzen 5 3600 6-Core
14th
4
6.0 +/- 0.5
AMD Ryzen 7 PRO 6850U
14th
13
5.9 +/- 0.5
Intel Core i3-14100
13th
11
5.3 +/- 0.2
AMD Ryzen 7 4800U
12th
3
5.2
Intel Core i7-5960X
12th
3
5.1 +/- 0.1
Intel Xeon E-2336
11th
5
4.8
AMD Ryzen 7 4700U
11th
4
4.7 +/- 0.2
Intel Core Ultra 7 256V
11th
7
4.7 +/- 0.6
AMD Ryzen 5 5500U
10th
7
4.6 +/- 0.4
AMD Ryzen 5 4500U
9th
3
4.1 +/- 0.1
AMD EPYC 7251 8-Core
9th
4
4.0 +/- 0.1
Intel Core i7-10700T
9th
3
3.8
Apple M4
8th
7
3.6 +/- 0.1
Intel Core i7-4790K
8th
4
3.2 +/- 0.2
Intel Xeon E3-1280 v5
8th
5
3.1
Intel Core i7-1185G7
7th
8
3.1
Intel Core i7-1165G7
7th
6
2.9 +/- 0.1
2 x Intel Xeon E5-2680 v2
5th
3
2.3
Intel Core i7-8565U
5th
4
2.2 +/- 0.1
Intel Core i7-1065G7
4th
3
2.2 +/- 0.1
2 x Intel Xeon E5-2687W 0
4th
4
2.1
2 x AMD Opteron 6276
3rd
3
1.4
Detailed Performance Overview
OpenBenchmarking.orgDistribution Of Public Results - Video Input: Bosphorus 4K - Video Preset: Medium1752 Results Range From 0 To 88 Frames Per Second81624324048566472808896120240360480600

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: 3.45 / Max: 33

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.2%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsVideo Input: Bosphorus 4K - Video Preset: MediumDeviation246810Min: 0 / Avg: 0.25 / Max: 6

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: Medium4681012141624324864961281923691215

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)
Loongson LoongArch 64-bit
loongarch64
Loongson-3A5000
ARMv8 64-bit
arm64
Apple M1 Pro, Apple M3 Max, Apple M4, Apple M4 Pro

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