IOzone

The IOzone benchmark tests the hard disk drive / file-system performance.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark system/iozone.

Project Site

iozone.org

Test Created

12 September 2017

Last Updated

8 April 2018

Test Maintainer

Michael Larabel 

Test Type

Disk

Average Install Time

4 Seconds

Average Run Time

3 Minutes, 29 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

20k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsIOzone Popularity Statisticssystem/iozone2017.092017.112018.012018.032018.052018.072018.092018.112019.012019.032019.052019.072019.092019.112020.012020.032020.052020.072020.092020.112021.012021.032021.052021.072021.092021.112022.012022.032022.052022.072022.092022.1120K40K60K80K100K
* 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 28 November 2022.
64Kb30.6%1MB34.7%4Kb34.6%Record Size Option PopularityOpenBenchmarking.org
512MB35.8%8GB15.8%4GB19.7%2GB28.7%File Size Option PopularityOpenBenchmarking.org
Write Performance49.8%Read Performance50.2%Disk Test Option PopularityOpenBenchmarking.org

Revision History

system/iozone-1.9.4   [View Source]   Sun, 08 Apr 2018 13:07:31 GMT
Add SystemDependencies = iozone

system/iozone-1.0.1   [View Source]   Wed, 13 Sep 2017 12:27:28 GMT
system/iozone works fine on BSD

system/iozone-1.0.0   [View Source]   Tue, 12 Sep 2017 19:31:53 GMT
Initial commit of a system/ iozone test profile


Performance Metrics

Analyze Test Configuration:

IOzone 3.465

Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance

OpenBenchmarking.org metrics for this test profile configuration based on 183 public results since 4 May 2018 with the latest data as of 21 November 2022.

Additional benchmark metrics will come after OpenBenchmarking.org has collected a sufficient data-set.

OpenBenchmarking.orgDistribution Of Public Results - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance183 Results Range From 10 To 2563 MB/s106211416621827032237442647853058263468673879084289494699810501102115412061258131013621414146615181570162216741726177818301882193419862038209021422194224622982350240224542506255826101020304050

Based on OpenBenchmarking.org data, the selected test / test configuration (IOzone 3.465 - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance) 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 BenchmarkRecord Size: 4Kb - File Size: 512MB - Disk Test: Write PerformanceRun-Time3691215Min: 1 / Avg: 1.6 / Max: 9

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 4.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsRecord Size: 4Kb - File Size: 512MB - Disk Test: Write PerformanceDeviation714212835Min: 0 / Avg: 4.33 / Max: 33

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)
Intel / AMD x86 32-bit
i686
(Many Processors)

Recent Test Results

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Most Popular Test Results

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