LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark encode-mp3.

Test Created

6 December 2010

Last Updated

3 September 2019

Test Maintainer

Michael Larabel

Test Type

Average Install Time

37 Seconds

Average Run Time

2 Minutes, 21 Seconds

Accolades

300k+ Downloads + 20k+ Public Benchmark Results

Supported Platforms


Public Result UploadsTest Completions*Reported Installs*OpenBenchmarking.orgEventsLAME MP3 Encoding Popularity Statisticspts/encode-mp32011.012011.052011.092012.012012.052012.092013.012013.052013.092014.012014.052014.092015.012015.052015.092016.012016.052016.092017.012017.052017.092018.012018.052018.092019.012019.052019.092020.012020.052020.092021.0180K160K240K320K400K
* 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 Mon, 18 Jan 2021 15:48:06 GMT.

Revision History

pts/encode-mp3-1.7.4   [View Source]   Tue, 03 Sep 2019 20:05:20 GMT
Fix for autoconf to help Arm patch, per https://github.com/phoronix-test-suite/test-profiles/issues/91

pts/encode-mp3-1.7.3   [View Source]   Thu, 17 Jan 2019 10:54:19 GMT
Add Windows support.

pts/encode-mp3-1.7.2   [View Source]   Sat, 03 Nov 2018 10:12:04 GMT
Fix patch from previous test profile update. Ref: https://github.com/phoronix-test-suite/test-profiles/issues/36

pts/encode-mp3-1.7.1   [View Source]   Sun, 23 Sep 2018 19:48:19 GMT
Build system fixes/updates for IBM POWER.

pts/encode-mp3-1.7.0   [View Source]   Wed, 07 Feb 2018 12:19:00 GMT
Update against upstream LAME 3.100 release.

pts/encode-mp3-1.6.0   [View Source]   Sat, 09 Sep 2017 11:32:43 GMT
Update against 3.99.5, include more download references

pts/encode-mp3-1.5.0   [View Source]   Mon, 15 Aug 2016 16:06:43 GMT
Add --enable-expopt=full to LAME build

pts/encode-mp3-1.4.0   [View Source]   Wed, 07 Dec 2011 11:52:31 GMT
Update encode-mp3 against upstream LAME 3.99.3

pts/encode-mp3-1.3.1   [View Source]   Mon, 06 Dec 2010 14:41:15 GMT
Initial import into OpenBenchmarking.org

Suites Using This Test

Audio Encoding

C/C++ Compiler Tests

Encoding

CPU Massive

Creator Workloads

Single-Threaded


Performance Metrics

Analyze Test Configuration:

LAME MP3 Encoding 3.100

WAV To MP3

OpenBenchmarking.org metrics for this test profile configuration based on 7,121 public results since 7 February 2018 with the latest data as of 17 January 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
Seconds (Average)
81st
8
10 +/- 1
80th
10
11 +/- 2
78th
13
11 +/- 1
77th
14
11 +/- 1
77th
13
12 +/- 1
76th
7
12 +/- 3
Mid-Tier
75th
> 12
74th
6
12 +/- 1
68th
12
14 +/- 1
67th
18
14 +/- 1
55th
7
27 +/- 2
54th
12
28 +/- 8
53rd
5
29 +/- 8
51st
9
30 +/- 8
Median
50th
31
48th
8
32 +/- 2
47th
10
32 +/- 1
43rd
8
34 +/- 4
42nd
7
35 +/- 10
42nd
11
35 +/- 1
37th
4
37 +/- 1
34th
10
38 +/- 2
33rd
8
39 +/- 11
31st
9
40 +/- 10
31st
20
41 +/- 4
28th
7
43 +/- 4
26th
4
45 +/- 2
Low-Tier
25th
> 45
23rd
5
47 +/- 2
22nd
6
48 +/- 6
19th
5
50 +/- 4
17th
6
58 +/- 6
16th
7
59 +/- 12
11th
4
86 +/- 1
10th
7
98 +/- 3
6th
18
137 +/- 12
5th
4
154 +/- 1
5th
9
155 +/- 42
5th
5
164 +/- 32
3rd
4
296 +/- 1
2nd
64
320 +/- 24
1st
25
482 +/- 61
OpenBenchmarking.orgDistribution Of Public Results - WAV To MP37121 Results Range From 5 To 1719 Seconds5468712816921025129233337441545649753857962066170274378482586690794898910301071111211531194123512761317135813991440148115221563160416451686172712002400360048006000

Based on OpenBenchmarking.org data, the selected test / test configuration (LAME MP3 Encoding 3.100 - WAV To MP3) 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 BenchmarkWAV To MP3Run-Time48121620Min: 1 / Avg: 1.69 / Max: 13

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 RunsWAV To MP3Deviation3691215Min: 0 / Avg: 0.31 / Max: 7

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