WebP Image Encode

This is a test of Google's libwebp with the cwebp image encode utility and using a sample 6000x4000 pixel JPEG image as the input.

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

Test Created

22 September 2020

Last Updated

22 September 2020

Test Maintainer

Michael Larabel

Test Type

Processor

Average Install Time

27 Seconds

Average Run Time

1 Minute, 17 Seconds

Test Dependencies

C/C++ Compiler Toolchain + JPEG Library

Supported Platforms


Public Result UploadsReported Installs*Test Completions*OpenBenchmarking.orgEventsWebP Image Encode Popularity Statisticspts/webp2020.092020.102020.112020.122021.012021.027001400210028003500
* 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.
Data current as of Thu, 25 Feb 2021 07:27:55 GMT.
Default17.8%Quality 100, Lossless21.1%Quality 100, Lossless, Highest Compression21.1%Quality 100, Highest Compression20.9%Quality 10019.0%Encode Settings Option PopularityOpenBenchmarking.org

Revision History

pts/webp-1.0.0   [View Source]   Tue, 22 Sep 2020 15:36:31 GMT
Initial libwebp cwebp benchmark.

Suites Using This Test

Imaging

Creator Workloads


Performance Metrics

Analyze Test Configuration:

WebP Image Encode 1.1

Encode Settings: Quality 100, Lossless

OpenBenchmarking.org metrics for this test profile configuration based on 754 public results since 22 September 2020 with the latest data as of 19 February 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
# Matching Public Results
Encode Time - Seconds (Average)
95th
6
12.9 +/- 0.1
95th
37
12.9 +/- 0.4
94th
23
13.0 +/- 0.4
91st
10
13.3 +/- 0.1
90th
6
14.2 +/- 1.0
87th
20
14.8 +/- 0.2
86th
12
14.9 +/- 0.3
84th
10
15.1 +/- 0.3
84th
5
15.1 +/- 0.4
81st
7
15.4 +/- 0.1
80th
7
15.4 +/- 0.1
80th
4
15.4 +/- 0.1
77th
3
15.7 +/- 0.1
76th
7
15.8 +/- 0.4
Mid-Tier
75th
> 15.8
75th
3
15.8 +/- 0.1
75th
10
15.9 +/- 0.2
74th
3
16.0 +/- 0.1
73rd
5
16.1 +/- 0.1
70th
7
16.4 +/- 0.4
69th
12
16.8 +/- 0.5
67th
8
17.2 +/- 0.3
67th
3
17.2
66th
4
17.4 +/- 1.0
64th
3
17.5 +/- 0.2
63rd
10
17.8 +/- 0.2
63rd
3
17.8 +/- 0.1
63rd
10
17.9 +/- 0.3
61st
3
18.1 +/- 0.1
60th
5
18.2 +/- 0.2
58th
20
18.6 +/- 1.0
57th
7
18.7 +/- 0.1
57th
3
18.7 +/- 0.1
57th
3
18.7 +/- 0.1
56th
14
18.8 +/- 0.3
55th
3
18.9 +/- 0.1
53rd
5
19.0 +/- 0.2
51st
3
19.0 +/- 0.1
Median
50th
19.1
49th
5
19.3 +/- 0.2
49th
3
19.3 +/- 0.1
48th
3
19.5 +/- 0.1
47th
3
19.6 +/- 0.3
46th
3
19.8 +/- 0.1
45th
6
19.8 +/- 0.2
44th
3
20.1 +/- 0.2
41st
4
20.3 +/- 0.5
41st
4
20.3 +/- 0.1
40th
5
20.5 +/- 0.2
37th
6
20.8 +/- 0.1
36th
6
20.8 +/- 0.3
36th
6
20.8 +/- 0.2
33rd
8
20.9 +/- 0.2
33rd
3
21.0 +/- 0.1
33rd
6
21.0 +/- 0.1
32nd
6
21.0 +/- 0.1
31st
6
21.0 +/- 0.1
30th
6
21.1 +/- 0.1
30th
5
21.1 +/- 0.1
29th
6
21.2 +/- 0.1
28th
3
21.4 +/- 0.2
27th
3
21.5 +/- 0.1
Low-Tier
25th
> 21.7
25th
6
21.7 +/- 0.1
25th
3
21.7 +/- 0.1
24th
15
21.7 +/- 0.2
24th
4
21.7 +/- 0.3
24th
3
21.8 +/- 0.2
18th
3
22.6 +/- 0.1
17th
3
22.7 +/- 0.1
17th
3
22.8 +/- 0.1
17th
10
22.9 +/- 0.7
17th
10
23.2 +/- 0.9
13th
6
23.7 +/- 0.2
12th
7
24.3 +/- 0.7
11th
3
24.5 +/- 0.1
9th
3
25.1 +/- 0.1
9th
3
25.1 +/- 0.1
8th
3
25.8 +/- 0.2
8th
3
25.8 +/- 2.5
5th
4
30.3 +/- 0.4
5th
3
32.2 +/- 0.1
4th
3
33.6 +/- 0.1
4th
4
35.6 +/- 0.1
3rd
6
37.6 +/- 0.2
2nd
7
88.0 +/- 5.0
OpenBenchmarking.orgDistribution Of Public Results - Encode Settings: Quality 100, Lossless754 Results Range From 12 To 154 Encode Time - Seconds1224364860728496108120132144156140280420560700

Based on OpenBenchmarking.org data, the selected test / test configuration (WebP Image Encode 1.1 - Encode Settings: Quality 100, Lossless) 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 BenchmarkEncode Settings: Quality 100, LosslessRun-Time246810Min: 1 / Avg: 1.11 / Max: 5

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsEncode Settings: Quality 100, LosslessDeviation246810Min: 0 / Avg: 0.27 / Max: 2

Does It Scale Well With Increasing Cores?

No, based on the automated analysis of the collected public benchmark data, this test / test settings does not 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.

AMDIntelOpenBenchmarking.orgRelative Core Scaling To BaseWebP Image Encode CPU Core ScalingEncode Settings: Quality 100, Lossless4681216243248641.00912.01823.02734.03645.0455

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