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

1 Minute, 6 Seconds

Average Run Time

2 Minutes, 37 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

40k+ Downloads + Recently Updated Test Profile

Supported Platforms


Public Result UploadsReported Installs*Test Completions*OpenBenchmarking.orgEventslzbench Popularity Statisticspts/lzbench2017.082017.092017.102017.112017.122018.012018.022018.032018.042018.052018.062018.072018.082018.092018.102018.112018.122019.012019.022019.032019.042019.052019.062019.072019.082019.092019.102019.112019.122020.012020.022020.032020.042020.052020.062020.072020.082020.092020.102020.112020.122021.012K4K6K8K10K
* 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 Wed, 27 Jan 2021 16:43:09 GMT.
Brotli 013.9%Brotli 214.9%Zstd 815.1%Libdeflate 112.8%XZ 013.2%Crush 014.9%Zstd 115.2%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: Compression

OpenBenchmarking.org metrics for this test profile configuration based on 513 public results since 28 February 2020 with the latest data as of 27 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
MB/s (Average)
95th
10
611 +/- 34
95th
3
607 +/- 4
94th
4
596 +/- 12
93rd
4
578 +/- 2
85th
8
554 +/- 9
79th
3
540 +/- 4
78th
6
539 +/- 72
77th
3
535 +/- 2
76th
4
531 +/- 19
76th
4
530 +/- 4
Mid-Tier
75th
< 529
74th
3
527 +/- 4
72nd
6
519 +/- 11
66th
4
508 +/- 9
66th
7
508 +/- 12
63rd
4
492 +/- 18
59th
7
476 +/- 46
59th
5
475 +/- 3
57th
3
471 +/- 3
57th
6
468 +/- 20
53rd
4
459 +/- 8
52nd
4
457 +/- 2
51st
4
456 +/- 2
51st
6
454 +/- 8
Median
50th
454
47th
5
449 +/- 3
46th
4
447 +/- 13
45th
3
446 +/- 3
39th
5
431 +/- 5
36th
5
424 +/- 5
Low-Tier
25th
< 406
25th
3
404 +/- 1
23rd
4
401 +/- 7
20th
4
393 +/- 1
17th
4
382 +/- 6
16th
4
375 +/- 13
2nd
3
169 +/- 3
OpenBenchmarking.orgDistribution Of Public Results - Test: Zstd 1 - Process: Compression507 Results Range From 125 To 704 MB/s1251491731972212452692933173413653894134374614855095335575816056296536777017251428425670

Based on OpenBenchmarking.org data, the selected test / test configuration (lzbench 1.8 - Test: Zstd 1 - Process: Compression) 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: CompressionRun-Time246810Min: 1 / Avg: 1.04 / Max: 3

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: CompressionDeviation246810Min: 0 / Avg: 0.12 / Max: 3

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: Compression468121632640.72151.4432.16452.8863.6075

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