Intel Memory Latency Checker

Intel Memory Latency Checker (MLC) is a binary-only system memory bandwidth and latency benchmark.

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

Project Site

software.intel.com

Test Created

22 April 2021

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

3 Seconds

Average Run Time

3 Minutes, 4 Seconds

Supported Platforms

Supported Architectures

x86_64

Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page ViewsOpenBenchmarking.orgEventsIntel Memory Latency Checker Popularity Statisticspts/intel-mlc2021.042021.052021.062021.072021.082021.092021.1014002800420056007000
* 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.
Data current as of 26 October 2021.
Peak Injection Bandwidth46.1%Max Bandwidth44.6%Idle Latency9.4%Test Option PopularityOpenBenchmarking.org

Revision History

pts/intel-mlc-1.0.0   [View Source]   Thu, 22 Apr 2021 17:27:00 GMT
Initial commit of Intel MLC.


Performance Metrics

Analyze Test Configuration:

Intel Memory Latency Checker

Test: Peak Injection Bandwidth - 1:1 Reads-Writes

OpenBenchmarking.org metrics for this test profile configuration based on 435 public results since 22 April 2021 with the latest data as of 25 October 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
MB/s (Average)
94th
15
149423 +/- 33
91st
6
138534 +/- 354
83rd
33
68370 +/- 1887
81st
43
67303 +/- 1993
Mid-Tier
75th
< 66707
61st
64
63580 +/- 911
57th
174
63476 +/- 811
Median
50th
63370
14th
3
57914 +/- 2803
Low-Tier
25th
< 63069
13th
5
52216 +/- 4058
11th
3
39080 +/- 18
9th
3
31650 +/- 24
6th
6
26578 +/- 2543
4th
7
23499 +/- 214
OpenBenchmarking.orgDistribution Of Public Results - Test: Peak Injection Bandwidth - 1:1 Reads-Writes434 Results Range From 235 To 449555 MB/s23592221820927196361834517054157631447213181118901059909210807911706612605313504014402715301416200117098817997518896219794920693621592322491023389724288425187126085826984527883228781929680630579331478032376733275434174135072835971536870237768938667639566340465041363742262443161144059844958550100150200250

Based on OpenBenchmarking.org data, the selected test / test configuration (Intel Memory Latency Checker - Test: Peak Injection Bandwidth - 1:1 Reads-Writes) 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: Peak Injection Bandwidth - 1:1 Reads-WritesRun-Time246810Min: 1 / Avg: 1.12 / Max: 3

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.1%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: Peak Injection Bandwidth - 1:1 Reads-WritesDeviation3691215Min: 0 / Avg: 0.11 / Max: 10

Notable Instruction Set Usage

Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.

Instruction Set
Support
Instructions Detected
SSE2 (SSE2)
Used by default on supported hardware.
 
CVTSI2SD DIVSD UCOMISD CVTTSD2SI CVTSS2SD SUBSD MOVAPD MOVDQA MOVNTDQ MULSD ADDSD CLFLUSH
Used by default on supported hardware.
Found on Intel processors since Sandy Bridge (2011).
Found on AMD processors since Bulldozer (2011).

 
VZEROUPPER
Last automated analysis: 10 May 2021

This test profile binary relies on the shared libraries libpthread.so.0, libc.so.6.

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