x265

This is a simple test of the x265 encoder run on the CPU with 1080p and 4K options for H.265 video encode performance with x265.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark x265.

Project Site

x265.org

Test Created

28 July 2018

Last Updated

16 October 2020

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

2 Minutes, 53 Seconds

Average Run Time

10 Minutes, 33 Seconds

Test Dependencies

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

Accolades

50k+ Downloads + 5k+ Public Benchmark Results

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsx265 Popularity Statisticspts/x2652018.072018.092018.112019.012019.032019.052019.072019.092019.112020.012020.032020.052020.072020.092020.112021.012021.032021.052021.072021.092021.112022.012022.032022.052022.072022.092022.112023.012023.038K16K24K32K40K
* 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 20 March 2023.
Bosphorus 4K53.3%Bosphorus 1080p46.7%Video Input Option PopularityOpenBenchmarking.org

Revision History

pts/x265-1.3.0   [View Source]   Fri, 16 Oct 2020 17:48:37 GMT
Update against x265 3.4 upstream, add 1080p/4K video option input.

pts/x265-1.2.0   [View Source]   Sun, 08 Sep 2019 18:43:32 GMT
Update against upstream per https://github.com/phoronix-test-suite/test-profiles/pull/99

pts/x265-1.1.0   [View Source]   Mon, 04 Feb 2019 12:47:16 GMT
Update against x265 v3.0, also fixes building on POWER9.

pts/x265-1.0.0   [View Source]   Sat, 28 Jul 2018 12:09:00 GMT
Finally got around to uploading this x265 video encode test profile.

Suites Using This Test

C/C++ Compiler Tests

Video Encoding

Encoding

Multi-Core

Common Workstation Benchmarks

CPU Massive

Creator Workloads

Server CPU Tests


Performance Metrics

Analyze Test Configuration:

x265 3.4

Video Input: Bosphorus 4K

OpenBenchmarking.org metrics for this test profile configuration based on 3,219 public results since 16 October 2020 with the latest data as of 26 March 2023.

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
30
35.2 +/- 2.5
100th
6
34.3 +/- 0.4
100th
20
34.2 +/- 2.3
99th
4
31.4 +/- 0.2
98th
10
30.6 +/- 0.8
98th
10
30.3 +/- 0.1
97th
3
30.1 +/- 0.3
96th
19
29.7 +/- 1.8
95th
3
29.1 +/- 1.4
94th
23
28.7 +/- 1.7
94th
3
28.7 +/- 1.7
92nd
11
28.3 +/- 1.3
92nd
3
28.2 +/- 0.2
92nd
22
28.1 +/- 1.1
92nd
47
28.1 +/- 1.6
92nd
5
28.1 +/- 0.2
91st
8
27.9 +/- 0.1
91st
14
27.9 +/- 1.7
91st
230
27.8 +/- 1.9
90th
3
27.6 +/- 0.7
88th
5
27.0 +/- 0.4
85th
5
26.3 +/- 0.2
82nd
4
25.4 +/- 0.3
82nd
3
25.4 +/- 2.0
82nd
5
25.2 +/- 0.9
81st
6
25.0 +/- 0.4
81st
15
24.8 +/- 2.6
80th
5
24.8 +/- 1.0
79th
12
24.6 +/- 2.2
79th
3
24.6 +/- 0.1
79th
9
24.3 +/- 1.1
78th
9
24.1 +/- 1.5
78th
7
24.1 +/- 1.2
78th
9
24.0 +/- 1.2
77th
4
23.9 +/- 1.5
76th
3
23.6 +/- 0.8
76th
3
23.6 +/- 0.8
76th
32
23.5 +/- 1.7
Mid-Tier
75th
< 23.5
75th
3
23.4 +/- 1.4
74th
31
23.2 +/- 2.2
74th
120
23.1 +/- 1.7
74th
6
23.0 +/- 0.6
73rd
8
23.0 +/- 0.3
73rd
4
22.9 +/- 1.3
73rd
15
22.8 +/- 1.5
73rd
8
22.8 +/- 0.9
72nd
6
22.7 +/- 1.7
72nd
9
22.5 +/- 1.2
72nd
6
22.5 +/- 0.6
71st
20
22.1 +/- 1.3
68th
28
21.4 +/- 1.9
68th
30
21.3 +/- 3.0
67th
20
21.0 +/- 0.6
67th
3
20.8 +/- 0.1
64th
12
19.9 +/- 0.7
64th
18
19.9 +/- 0.6
64th
3
19.8 +/- 0.2
64th
5
19.7 +/- 1.5
64th
39
19.7 +/- 0.8
63rd
6
19.4 +/- 0.1
62nd
16
19.3 +/- 0.7
62nd
11
19.2 +/- 0.8
59th
20
18.5 +/- 0.4
59th
6
18.5 +/- 0.2
59th
12
18.3 +/- 1.1
58th
7
17.7 +/- 0.3
58th
4
17.6 +/- 0.1
57th
7
17.4 +/- 0.7
57th
28
17.3 +/- 1.3
56th
7
16.6 +/- 0.6
56th
14
16.3 +/- 0.3
55th
4
16.2 +/- 0.4
54th
3
15.9 +/- 0.4
53rd
37
15.5 +/- 0.4
53rd
11
15.5 +/- 1.1
52nd
5
15.1 +/- 0.1
52nd
3
15.1 +/- 0.1
51st
42
14.9 +/- 0.9
51st
7
14.6 +/- 0.4
51st
55
14.6 +/- 1.2
Median
50th
14.5
49th
3
14.2 +/- 0.1
47th
3
13.5 +/- 1.2
47th
4
13.5 +/- 0.9
46th
16
13.1 +/- 0.6
46th
20
13.0 +/- 1.0
46th
7
12.9 +/- 1.1
45th
4
12.8 +/- 0.6
45th
11
12.7 +/- 1.9
44th
16
12.5 +/- 0.3
44th
11
12.4 +/- 0.4
43rd
4
12.2 +/- 0.1
42nd
13
12.0 +/- 0.5
42nd
10
12.0 +/- 0.7
42nd
24
11.9 +/- 1.5
41st
5
11.7 +/- 1.1
41st
12
11.7 +/- 0.2
41st
4
11.7 +/- 0.3
41st
7
11.6 +/- 1.2
41st
30
11.6 +/- 0.7
39th
7
11.1 +/- 0.7
38th
23
10.7 +/- 0.9
38th
11
10.7 +/- 1.4
37th
4
10.3 +/- 0.5
36th
24
10.3 +/- 0.6
36th
7
10.1 +/- 1.0
36th
16
10.0 +/- 0.1
34th
12
9.6 +/- 0.9
34th
5
9.3 +/- 0.3
32nd
3
8.8 +/- 0.1
32nd
9
8.8 +/- 0.5
32nd
7
8.8 +/- 0.3
32nd
16
8.7 +/- 0.5
32nd
4
8.6 +/- 0.5
32nd
11
8.6 +/- 0.8
31st
4
8.4 +/- 0.1
30th
3
8.3 +/- 0.2
29th
4
8.0 +/- 0.2
29th
5
7.8 +/- 1.0
28th
4
7.7 +/- 0.3
28th
4
7.7 +/- 0.3
28th
4
7.5 +/- 0.1
27th
6
7.3 +/- 0.2
26th
5
7.2 +/- 0.2
26th
10
7.2 +/- 0.2
26th
4
7.2 +/- 0.5
Low-Tier
25th
< 7.1
25th
22
7.0 +/- 0.2
24th
3
6.8 +/- 0.4
24th
5
6.6 +/- 0.2
23rd
6
6.4 +/- 0.3
23rd
3
6.4 +/- 0.1
22nd
10
6.2 +/- 0.5
22nd
8
6.2 +/- 0.2
20th
10
6.0 +/- 0.1
19th
4
5.9 +/- 0.1
19th
3
5.8 +/- 0.5
18th
47
5.6 +/- 0.3
17th
4
5.4 +/- 0.1
16th
5
5.1 +/- 0.4
15th
4
4.7 +/- 0.3
13th
12
4.5 +/- 0.2
13th
3
4.4 +/- 0.1
12th
4
4.4 +/- 0.3
12th
3
4.3 +/- 0.1
12th
4
4.2 +/- 0.1
10th
4
3.4 +/- 0.2
8th
3
2.8 +/- 0.4
7th
6
2.6 +/- 0.1
OpenBenchmarking.orgDistribution Of Public Results - Video Input: Bosphorus 4K3219 Results Range From 0 To 39 Frames Per Second4812162024283236404448120240360480600

Based on OpenBenchmarking.org data, the selected test / test configuration (x265 3.4 - Video Input: Bosphorus 4K) has an average run-time of 5 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 4KRun-Time1530456075Min: 1 / Avg: 5.03 / Max: 81

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.7%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsVideo Input: Bosphorus 4KDeviation3691215Min: 0 / Avg: 0.75 / Max: 7

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 Basex265 CPU Core ScalingVideo Input: Bosphorus 4K2468101216243248641281.43962.87924.31885.75847.198

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)
RISC-V 64-bit
riscv64
SiFive RISC-V, rv64imafdcsu
IBM POWER (PowerPC) 64-bit
ppc64le
POWER9 4-Core, POWER9 44-Core
MIPS 64-bit
mips64
Loongson-3A R4
Loongson LoongArch 64-bit
loongarch64
Loongson-3A5000-HV, Loongson-3C5000L
Intel / AMD x86 32-bit
i686
(Many Processors)
ARMv7 32-bit
armv7l
ARMv7 Cortex-A72 4-Core, ARMv7 rev 3 4-Core
ARMv8 64-bit
arm64
Apple M1, Apple M1 Pro, Apple M2
ARMv8 64-bit
aarch64
ARMv8, ARMv8 Cortex-A53 4-Core, ARMv8 Cortex-A55 4-Core, ARMv8 Cortex-A72, ARMv8 Cortex-A72 16-Core, ARMv8 Cortex-A72 4-Core, ARMv8 Cortex-A72 6-Core, ARMv8 Cortex-A73 6-Core, ARMv8 Neoverse-N1, ARMv8 Neoverse-N1 16-Core, ARMv8 Neoverse-N1 32-Core, ARMv8 Neoverse-N1 4-Core, ARMv8 Neoverse-N1 8-Core, ARMv8 Neoverse-N2, ARMv8 Neoverse-V1, ARMv8 Neoverse-V1 4-Core, ARMv8 rev 0 6-Core, ARMv8 rev 0 8-Core, Ampere Altra ARMv8 Neoverse-N1 160-Core, Ampere eMAG ARMv8 32-Core, Apple M1, Apple M2, Rockchip ARMv8 Cortex-A76 6-Core

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