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

1 Minute, 52 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

30k+ Downloads + 5k+ Public Benchmark Results

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsMBW Popularity Statisticspts/mbw2018.092018.112019.012019.032019.052019.072019.092019.112020.012020.032020.052020.072020.092020.112021.012021.032021.052021.072021.092021.112022.012022.032022.052022.072022.092022.112023.012023.032023.052023.072023.092023.112024.012024.03110K220K330K440K550K
* 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 25 March 2024.
Memory Copy46.6%Memory Copy, Fixed Block Size53.4%Test Option PopularityOpenBenchmarking.org
8192 MiB19.5%4096 MiB15.8%1024 MiB24.9%512 MiB16.7%128 MiB23.2%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: 8192 MiB

OpenBenchmarking.org metrics for this test profile configuration based on 1,034 public results since 5 October 2018 with the latest data as of 5 March 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
MiB/s (Average)
100th
7
14318 +/- 214
100th
3
13307 +/- 268
98th
3
11582 +/- 1387
98th
4
11558 +/- 1554
97th
24
11270 +/- 70
93rd
3
9560 +/- 1203
91st
18
9049 +/- 91
83rd
11
8190 +/- 1007
79th
3
8087 +/- 37
Mid-Tier
75th
< 7984
75th
3
7882 +/- 177
75th
64
7859 +/- 308
75th
170
7855 +/- 337
75th
7
7779 +/- 1159
64th
4
7449 +/- 163
62nd
5
7150 +/- 612
Median
50th
6248
36th
33
5356 +/- 166
26th
7
5065 +/- 95
Low-Tier
25th
< 5056
OpenBenchmarking.orgDistribution Of Public Results - Test: Memory Copy, Fixed Block Size - Array Size: 8192 MiB1034 Results Range From 7 To 19180 MiB/s73917751159154319272311269530793463384742314615499953835767615165356919730376878071845588399223960799911037510759111431152711911122951267913063134471383114215145991498315367157511613516519169031728717671180551843918823192074080120160200

Based on OpenBenchmarking.org data, the selected test / test configuration (MBW 2018-09-08 - Test: Memory Copy, Fixed Block Size - Array Size: 8192 MiB) has an average run-time of 16 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: 8192 MiBRun-Time150300450600750Min: 2 / Avg: 15.73 / Max: 881

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 2.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Memory Copy, Fixed Block Size - Array Size: 8192 MiBDeviation48121620Min: 0 / Avg: 2.28 / Max: 17

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)
ARMv8 64-bit
aarch64
ARMv8 Cortex-A72 64-Core, ARMv8 Neoverse-N1, ARMv8 Neoverse-N1 128-Core, ARMv8 Neoverse-V2 72-Core