lzbench

lzbench is an in-memory benchmark of various compressors. The file used for compression is a Linux kernel source tree tarball.

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

Project Site

github.com

Test Created

8 August 2017

Last Updated

21 January 2021

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

56 Seconds

Average Run Time

3 Minutes, 30 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

50k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventslzbench Popularity Statisticspts/lzbench2017.082017.102017.122018.022018.042018.062018.082018.102018.122019.022019.042019.062019.082019.102019.122020.022020.042020.062020.082020.102020.122021.022021.042021.062021.082021.102021.122022.022022.042022.062022.082022.102022.122023.022023.042023.062023.086K12K18K24K30K
* 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 27 September 2023.
Brotli 014.1%Brotli 214.3%Zstd 814.9%Libdeflate 112.9%XZ 013.7%Crush 014.3%Zstd 115.9%Test Option PopularityOpenBenchmarking.org
Compression50.5%Decompression49.5%Process Option PopularityOpenBenchmarking.org

Revision History

pts/lzbench-1.1.1   [View Source]   Thu, 21 Jan 2021 10:32:16 GMT
Update against point release for build fix.

pts/lzbench-1.1.0   [View Source]   Fri, 28 Feb 2020 17:25:44 GMT
Update against upstream lzbench 1.8, add Windows support.

pts/lzbench-1.0.0   [View Source]   Tue, 08 Aug 2017 14:58:27 GMT
Initial commit of an lzbench test profile, an in-memory compressor comparison benchmark.

Suites Using This Test

Compression Tests

CPU Massive

Single-Threaded


Performance Metrics

Analyze Test Configuration:

lzbench 1.8

Test: Zstd 1 - Process: Decompression

OpenBenchmarking.org metrics for this test profile configuration based on 1,078 public results since 28 February 2020 with the latest data as of 22 September 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
MB/s (Average)
100th
4
2865 +/- 35
100th
3
2810 +/- 46
100th
8
2503 +/- 31
99th
7
2412 +/- 133
96th
3
2220 +/- 61
96th
4
2218 +/- 10
95th
3
2185 +/- 6
95th
5
2184 +/- 131
94th
12
2153 +/- 181
92nd
9
2065 +/- 84
90th
26
2011 +/- 105
90th
8
2004 +/- 15
90th
4
1998 +/- 81
89th
6
1983 +/- 36
88th
4
1934 +/- 172
87th
4
1912 +/- 29
86th
10
1859 +/- 220
85th
4
1821 +/- 171
84th
3
1796 +/- 116
82nd
5
1759 +/- 187
79th
4
1729 +/- 145
78th
3
1708 +/- 1
78th
6
1707 +/- 153
76th
14
1694 +/- 5
Mid-Tier
75th
< 1684
75th
3
1678 +/- 173
75th
8
1677 +/- 29
74th
8
1660 +/- 243
74th
8
1657 +/- 118
73rd
7
1640 +/- 119
72nd
15
1622 +/- 179
72nd
13
1613 +/- 162
72nd
4
1612 +/- 193
71st
4
1609 +/- 196
71st
5
1608 +/- 2
71st
7
1606 +/- 178
70th
3
1602 +/- 3
70th
4
1601 +/- 5
69th
5
1597 +/- 166
69th
3
1586 +/- 7
68th
3
1580 +/- 1
65th
9
1565 +/- 2
63rd
4
1551 +/- 9
63rd
4
1548 +/- 186
62nd
4
1542 +/- 118
62nd
4
1537 +/- 140
59th
4
1503 +/- 106
59th
4
1502 +/- 142
56th
6
1478 +/- 204
55th
3
1463 +/- 9
55th
5
1454 +/- 20
54th
4
1447 +/- 143
53rd
3
1435 +/- 2
53rd
5
1432 +/- 131
51st
3
1400 +/- 20
51st
5
1391 +/- 201
Median
50th
1390
49th
11
1358 +/- 134
48th
6
1349 +/- 116
48th
5
1349 +/- 188
47th
8
1336 +/- 200
45th
4
1323 +/- 130
44th
4
1305 +/- 2
43rd
5
1302 +/- 80
43rd
10
1300 +/- 124
42nd
5
1279 +/- 132
42nd
4
1278 +/- 102
41st
10
1260 +/- 13
40th
4
1255 +/- 127
40th
3
1247 +/- 1
40th
12
1241 +/- 97
39th
4
1234 +/- 29
37th
3
1228 +/- 1
37th
6
1226 +/- 150
37th
3
1219 +/- 12
35th
3
1186 +/- 10
34th
5
1183 +/- 27
32nd
4
1160 +/- 88
30th
4
1150 +/- 106
28th
7
1141 +/- 9
Low-Tier
25th
< 1117
25th
3
1112 +/- 165
25th
3
1108 +/- 1
24th
5
1095 +/- 123
23rd
3
1080 +/- 2
22nd
4
1062 +/- 104
20th
11
1012 +/- 4
20th
3
1011 +/- 23
15th
5
874 +/- 65
14th
6
872 +/- 1
11th
3
801 +/- 4
6th
3
537 +/- 1
5th
3
518 +/- 5
OpenBenchmarking.orgDistribution Of Public Results - Test: Zstd 1 - Process: Decompression1078 Results Range From 148 To 2898 MB/s1482032583133684234785335886436987538088639189731028108311381193124813031358141314681523157816331688174317981853190819632018207321282183223822932348240324582513256826232678273327882843289820406080100

Based on OpenBenchmarking.org data, the selected test / test configuration (lzbench 1.8 - Test: Zstd 1 - Process: Decompression) 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 BenchmarkTest: Zstd 1 - Process: DecompressionRun-Time246810Min: 1 / Avg: 1.09 / Max: 4

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.1%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Zstd 1 - Process: DecompressionDeviation246810Min: 0 / Avg: 0.12 / 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 Baselzbench CPU Core ScalingTest: Zstd 1 - Process: Decompression4681216182032640.46460.92921.39381.85842.323

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)
IBM Z
s390x
(Many Processors)
IBM POWER (PowerPC) 64-bit
ppc64le
POWER8E
ARMv8 64-bit
aarch64
ARMv8 Cortex-A55 4-Core, ARMv8 Cortex-A55 6-Core, ARMv8 Cortex-A72 16-Core, ARMv8 Cortex-A72 4-Core, ARMv8 Cortex-X1C 8-Core, ARMv8 Neoverse-N1, ARMv8 Neoverse-N1 80-Core, ARMv8 rev 0 6-Core, Ampere ARMv8 Neoverse-N1 160-Core, Ampere eMAG ARMv8 32-Core, Apple, Phytium D2000

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