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

45 Seconds

Average Run Time

3 Minutes, 30 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

60k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventslzbench Popularity Statisticspts/lzbench2017.082017.112018.022018.052018.082018.112019.022019.052019.082019.112020.022020.052020.082020.112021.022021.052021.082021.112022.022022.052022.082022.112023.022023.052023.082023.112024.022024.052024.0810K20K30K40K50K
* 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 11 October 2024.
Brotli 014.0%Brotli 214.1%Zstd 814.7%Libdeflate 112.7%XZ 014.1%Crush 014.1%Zstd 116.4%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 1,128 public results since 28 February 2020 with the latest data as of 8 October 2024.

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
3
2810 +/- 46
100th
6
2782 +/- 133
100th
3
2742 +/- 22
100th
3
2645 +/- 8
98th
8
2503 +/- 31
98th
7
2412 +/- 133
96th
4
2296 +/- 7
94th
5
2237 +/- 44
94th
7
2222 +/- 125
93rd
3
2220 +/- 61
93rd
3
2185 +/- 6
90th
11
2071 +/- 77
87th
26
2011 +/- 105
87th
8
2004 +/- 15
87th
4
1998 +/- 81
86th
6
1983 +/- 36
85th
4
1934 +/- 172
84th
4
1912 +/- 29
84th
9
1869 +/- 231
82nd
4
1842 +/- 20
82nd
4
1821 +/- 171
81st
3
1796 +/- 116
76th
4
1729 +/- 145
Mid-Tier
75th
< 1711
75th
3
1708 +/- 1
75th
3
1707 +/- 1
75th
6
1707 +/- 153
73rd
14
1694 +/- 5
72nd
3
1678 +/- 173
72nd
8
1677 +/- 29
72nd
7
1670 +/- 121
71st
6
1661 +/- 117
71st
8
1660 +/- 243
70th
3
1641 +/- 3
70th
13
1636 +/- 172
70th
14
1630 +/- 183
69th
4
1612 +/- 193
69th
5
1608 +/- 2
68th
7
1606 +/- 178
68th
3
1602 +/- 3
67th
4
1601 +/- 5
67th
5
1597 +/- 166
66th
3
1586 +/- 7
65th
3
1580 +/- 1
63rd
3
1573 +/- 9
62nd
9
1565 +/- 2
61st
13
1562 +/- 92
61st
3
1556 +/- 1
60th
4
1551 +/- 9
59th
4
1542 +/- 118
54th
6
1478 +/- 204
53rd
3
1463 +/- 9
52nd
5
1454 +/- 20
51st
4
1447 +/- 143
51st
3
1435 +/- 2
Median
50th
1434
50th
5
1432 +/- 131
48th
4
1401 +/- 171
48th
3
1400 +/- 20
48th
5
1391 +/- 201
47th
5
1378 +/- 102
46th
7
1361 +/- 202
46th
11
1358 +/- 134
45th
4
1338 +/- 1
43rd
4
1323 +/- 130
42nd
4
1305 +/- 2
41st
10
1300 +/- 124
40th
5
1279 +/- 132
40th
4
1278 +/- 102
39th
10
1260 +/- 13
38th
4
1255 +/- 127
38th
3
1247 +/- 1
36th
3
1228 +/- 1
36th
6
1226 +/- 150
32nd
3
1169 +/- 26
31st
4
1150 +/- 106
30th
7
1141 +/- 9
28th
3
1112 +/- 165
27th
5
1095 +/- 123
Low-Tier
25th
< 1081
25th
3
1080 +/- 2
25th
4
1062 +/- 104
23rd
11
1012 +/- 4
23rd
3
1011 +/- 23
17th
6
872 +/- 1
14th
3
801 +/- 104
14th
3
801 +/- 4
8th
3
537 +/- 1
7th
3
524 +/- 54
7th
3
518 +/- 5
OpenBenchmarking.orgDistribution Of Public Results - Test: Zstd 1 - Process: Decompression1128 Results Range From 148 To 2943 MB/s1482042603163724284845405966527087648208769329881044110011561212126813241380143614921548160416601716177218281884194019962052210821642220227623322388244425002556261226682724278028362892294820406080100

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-Time1224364860Min: 1 / Avg: 1.56 / Max: 62

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 RunsTest: Zstd 1 - Process: DecompressionDeviation3691215Min: 0 / Avg: 0.24 / Max: 7

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: Decompression468121620640.47080.94161.41241.88322.354

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-A76 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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