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

2 Minutes, 8 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/mbw2018.092018.122019.032019.062019.092019.122020.032020.062020.092020.122021.032021.062021.092021.122022.032022.062022.092022.122023.032023.062023.092023.122024.032024.062024.09120K240K360K480K600K
* 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 22 November 2024.
Memory Copy46.8%Memory Copy, Fixed Block Size53.2%Test Option PopularityOpenBenchmarking.org
8192 MiB19.3%4096 MiB15.9%1024 MiB25.3%512 MiB16.7%128 MiB22.8%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 1,281 public results since 18 September 2018 with the latest data as of 19 November 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)
12 x 64GB DDR5-6000MT
100th
4
23831 +/- 83
1 x 480GB DRAM-6400MT
100th
3
16928 +/- 150
2 x 16384 MB DDR4-3200MT
99th
22
14774 +/- 329
2 x 16 GB 6000MT
98th
7
14308 +/- 21
2 x 8 GB DDR4-4400MT
98th
4
13510 +/- 21
2 x 32 GB 4000MT
97th
4
11961 +/- 1129
4 x 32 GB DDR5-3600MT
97th
3
11631 +/- 1286
16 x 32 GB DDR4-2933MHz
90th
24
9132 +/- 22
8 x 16384 MB DDR4-3200MT
86th
6
8831 +/- 112
8 x GB DDR4-3200MT
80th
170
8386 +/- 389
8 x 8192 MB DDR4-3200MT
80th
64
8348 +/- 353
8 x 16384 MB DDR4-2933MT
76th
12
8155 +/- 933
Mid-Tier
75th
< 8151
6 x 4096 MB DDR4-2666MT
74th
3
8135 +/- 411
2 x 8192 MB DDR4-3000MT
67th
7
7759 +/- 951
6 x 32 GB DDR4-2933MT
66th
5
7639 +/- 489
8 x 16384 MB DDR4-2400MT
66th
4
7627 +/- 31
12 x 32 GB DDR4-2666MHz HMA84GR7AFR4N-VK
59th
54
6816 +/- 140
8 x 16384 MB DDR4-2400MHz HMA82GR7AFR8N-VK
52nd
30
6084 +/- 471
1.96875 x 32768 MB DDR4-2400MT
52nd
4
5917 +/- 77
Median
50th
5829
8 x 16384 MB DDR4-2133MHz HMA42GR7MFR4N-TF
44th
47
5522 +/- 263
8 x 32 GB DDR4-2133MHz Samsung M386A4G40DM0-CPB
44th
23
5481 +/- 309
8 x 8192 MB 2133MHz 18ASF1G72PZ-2G1A2
36th
24
5094 +/- 462
4 x 16 GB DDR4-2933MT
35th
33
5064 +/- 79
12 x 16384 MB DDR4-3200MT
32nd
3
5017 +/- 21
8 x 16384 MB DDR3-1600MT
30th
7
4982 +/- 133
8 x 8192 MB DDR4-2133MHz Micron 18ASF1G72PZ-2G1A2
30th
93
4977 +/- 491
Low-Tier
25th
< 4862
8 x 32 GB DDR4-2400MT
23rd
9
4760 +/- 534
1 x 8192 MB DDR4-2400MT
23rd
4
4748 +/- 61
12 x 16384 MB DDR4-2666MT
18th
4
4585 +/- 13
16 x 16384 MB DDR4-2400MHz M393A2K43BB1-CTD
16th
26
4442 +/- 326
8 x 32 GB 2133MT
16th
24
4437 +/- 547
12 x 16384 MB DDR4-2934MT
7th
4
2883 +/- 5
OpenBenchmarking.orgDistribution Of Public Results - Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB1281 Results Range From 668 To 23904 MiB/s6681133159820632528299334583923438848535318578362486713717876438108857390389503996810433108981136311828122931275813223136881415314618150831554816013164781694317408178731833818803192681973320198206632112821593220582252322988234532391850100150200250

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 0.8%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Memory Copy, Fixed Block Size - Array Size: 128 MiBDeviation48121620Min: 0 / Avg: 0.81 / Max: 13

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)
Loongson LoongArch 64-bit
loongarch64
Loongson-3A5000, Loongson-3A5000LL, Loongson-3C5000
Intel / AMD x86 32-bit
i686
(Many Processors)
ARMv8 64-bit
aarch64
ARMv8 Cortex-A72 64-Core, ARMv8 Neoverse-N1 128-Core, ARMv8 Neoverse-V2 72-Core

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