MBW

This is a basic/simple memory (RAM) bandwidth benchmark for memory copy operations.

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

Project Site

github.com

Test Created

8 September 2018

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

2 Seconds

Average Run Time

3 Minutes, 17 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

30k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsMBW Popularity Statisticspts/mbw2018.092018.102018.112018.122019.012019.022019.032019.042019.052019.062019.072019.082019.092019.102019.112019.122020.012020.022020.032020.042020.052020.062020.072020.082020.092020.102020.112020.122021.012021.022021.032021.042021.052021.062021.072021.082021.092021.10100K200K300K400K500K
* 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 current as of 17 October 2021.
Memory Copy44.9%Memory Copy, Fixed Block Size55.1%Test Option PopularityOpenBenchmarking.org
8192 MiB21.5%4096 MiB15.4%1024 MiB23.1%512 MiB15.9%128 MiB24.1%Array Size Option PopularityOpenBenchmarking.org

Revision History

pts/mbw-1.0.0   [View Source]   Sat, 08 Sep 2018 13:40:44 GMT
Initial commit of memory bandwidth memcopy 'mbw' benchmark.

Suites Using This Test

Memory Test Suite

Common Kernel Benchmarks

CPU Massive


Performance Metrics

Analyze Test Configuration:

MBW 2018-09-08

Test: Memory Copy - Array Size: 128 MiB

OpenBenchmarking.org metrics for this test profile configuration based on 571 public results since 18 September 2018 with the latest data as of 26 September 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
# Compatible Public Results
MiB/s (Average)
97th
7
15628 +/- 381
94th
4
13638 +/- 107
Mid-Tier
75th
< 9595
68th
64
9245 +/- 458
67th
170
9222 +/- 461
57th
6
8856 +/- 110
Median
50th
8752
43rd
3
8524 +/- 465
38th
5
8080 +/- 493
38th
8
7891 +/- 1165
36th
5
7417 +/- 225
34th
4
6993 +/- 108
28th
4
6075 +/- 120
Low-Tier
25th
< 5251
20th
33
5142 +/- 58
13th
4
4936 +/- 38
13th
4
4830 +/- 155
13th
43
4816 +/- 716
OpenBenchmarking.orgDistribution Of Public Results - Test: Memory Copy - Array Size: 128 MiB571 Results Range From 269 To 20458 MiB/s26967310771481188522892693309735013905430947135117552159256329673371377541794583498753915795619965103691077311177115811198512389127931319713601140051440914813152171562116025164291683317237176411804518449188531925719661200652046920406080100

Based on OpenBenchmarking.org data, the selected test / test configuration (MBW 2018-09-08 - Test: Memory Copy - Array Size: 128 MiB) 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: Memory Copy - Array Size: 128 MiBRun-Time246810Min: 1 / Avg: 1 / Max: 1

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.4%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Memory Copy - Array Size: 128 MiBDeviation3691215Min: 0 / Avg: 0.36 / Max: 7

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