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

Last Updated

8 September 2018

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

2 Seconds

Average Run Time

3 Minutes, 21 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

30k+ Downloads

Supported Platforms


Public Result UploadsReported Installs*Test Completions*OpenBenchmarking.orgEventsMBW Popularity Statisticspts/mbw2018.092018.102018.112018.122019.012019.022019.032019.042019.052019.062019.072019.082019.092019.102019.112019.122020.012020.022020.032020.042020.052020.062020.072020.082020.092020.102020.112020.122021.012021.022021.032021.0470K140K210K280K350K
* 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 Mon, 12 Apr 2021 20:11:23 GMT.
Memory Copy39.4%Memory Copy, Fixed Block Size60.6%Test Option PopularityOpenBenchmarking.org
8192 MiB23.5%4096 MiB10.5%1024 MiB25.5%512 MiB11.7%128 MiB28.8%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 607 public results since 18 September 2018 with the latest data as of 9 April 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
MiB/s (Average)
98th
24
9132 +/- 22
93rd
6
8831 +/- 112
89th
7
8224 +/- 201
89th
12
8155 +/- 933
88th
3
8135 +/- 411
86th
7
7759 +/- 951
86th
5
7639 +/- 489
86th
4
7627 +/- 31
Mid-Tier
75th
< 6804
Median
50th
5522
Low-Tier
25th
< 4754
25th
4
4748 +/- 61
18th
24
4437 +/- 547
OpenBenchmarking.orgDistribution Of Public Results - Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB607 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 4%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Memory Copy, Fixed Block Size - Array Size: 128 MiBDeviation510152025Min: 0 / Avg: 3.95 / Max: 19

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