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, 20 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/mbw2018.092018.102018.112018.122019.012019.022019.032019.042019.052019.062019.072019.082019.092019.102019.112019.122020.012020.022020.032020.042020.052020.062020.072020.082020.092020.102020.112020.122021.012021.022021.032021.042021.052021.062021.07100K200K300K400K500K
* 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 27 July 2021.
Memory Copy39.7%Memory Copy, Fixed Block Size60.3%Test Option PopularityOpenBenchmarking.org
8192 MiB23.3%4096 MiB10.6%1024 MiB25.9%512 MiB11.8%128 MiB28.5%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, Fixed Block Size - Array Size: 128 MiB

OpenBenchmarking.org metrics for this test profile configuration based on 616 public results since 18 September 2018 with the latest data as of 23 July 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)
98th
24
9132 +/- 22
93rd
6
8831 +/- 112
90th
3
8383 +/- 127
89th
7
8224 +/- 201
89th
12
8155 +/- 933
88th
3
8135 +/- 411
86th
7
7759 +/- 951
85th
5
7639 +/- 489
85th
4
7627 +/- 31
Mid-Tier
75th
< 6805
Median
50th
5521
Low-Tier
25th
< 4749
25th
4
4748 +/- 61
18th
24
4437 +/- 547
OpenBenchmarking.orgDistribution Of Public Results - Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB616 Results Range From 668 To 12225 MiB/s668900113213641596182820602292252427562988322034523684391641484380461248445076530855405772600462366468670069327164739676287860809283248556878890209252948497169948101801041210644108761110811340115721180412036122681428425670

Based on OpenBenchmarking.org data, the selected test / test configuration (MBW 2018-09-08 - Test: Memory Copy, Fixed Block Size - 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, Fixed Block Size - 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 3.9%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Memory Copy, Fixed Block Size - Array Size: 128 MiBDeviation510152025Min: 0 / Avg: 3.9 / Max: 19

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