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 iozone.

Use with caution this test profile is currently marked Deprecated.

Project Site

iozone.org

Test Created

6 December 2010

Last Updated

8 May 2020

Test Maintainer

Michael Larabel 

Test Type

Disk

Average Install Time

8 Seconds

Average Run Time

4 Minutes, 28 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

250k+ Downloads + 20k+ Public Benchmark Results

Supported Platforms


Public Result UploadsTest Completions*Reported Installs*OpenBenchmarking.orgEventsIOzone Popularity Statisticspts/iozone2011.022011.062011.102012.022012.062012.102013.022013.062013.102014.022014.062014.102015.022015.062015.102016.022016.062016.102017.022017.062017.102018.022018.062018.102019.022019.062019.102020.022020.062020.102021.0270K140K210K280K350K
* 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 Sat, 27 Feb 2021 06:23:15 GMT.
4Kb34.7%1MB34.2%64Kb31.1%Record Size Option PopularityOpenBenchmarking.org
4GB20.0%512MB33.1%8GB23.4%2GB23.5%File Size Option PopularityOpenBenchmarking.org
Read Performance48.6%Write Performance51.4%Disk Test Option PopularityOpenBenchmarking.org

Revision History

pts/iozone-1.9.6   [View Source]   Fri, 08 May 2020 20:00:01 GMT
Fix https://github.com/phoronix-test-suite/test-profiles/issues/139 and mark test profile as deprecated.

pts/iozone-1.9.5   [View Source]   Fri, 07 Dec 2018 12:04:58 GMT
Add FreeBSD support https://github.com/phoronix-test-suite/test-profiles/pull/51

pts/iozone-1.9.4   [View Source]   Sat, 07 Apr 2018 20:36:24 GMT
Iozone doesn't work right on BSD out-of-the-box.

pts/iozone-1.9.3   [View Source]   Wed, 28 Feb 2018 17:04:31 GMT
Use the Windows zip package.

pts/iozone-1.9.2   [View Source]   Wed, 28 Feb 2018 17:02:42 GMT
Set the Windows bit.

pts/iozone-1.9.1   [View Source]   Wed, 28 Feb 2018 17:01:40 GMT
Restore Windows support for iozone.

pts/iozone-1.9.0   [View Source]   Wed, 28 Jun 2017 13:33:12 GMT
Fix result parser, update against latest upstream

pts/iozone-1.8.0   [View Source]   Sun, 29 Apr 2012 12:10:47 GMT
Update against upstream IOzone 3.405 and also set -e argument to ensure fsync/flushes are done as part of timing.

pts/iozone-1.7.0   [View Source]   Mon, 06 Dec 2010 14:53:27 GMT
Initial import into OpenBenchmarking.org


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 2,170 public results since 28 June 2017 with the latest data as of 23 February 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
MB/s (Average)
97th
4
1008 +/- 83
95th
5
940 +/- 61
95th
14
927 +/- 25
89th
3
713 +/- 26
81st
47
570 +/- 36
80th
3
558 +/- 72
78th
171
520 +/- 68
Mid-Tier
75th
< 502
74th
3
480 +/- 3
68th
4
434 +/- 20
53rd
3
280 +/- 20
51st
13
255 +/- 1
Median
50th
255
46th
4
216 +/- 12
39th
9
155 +/- 8
36th
8
127 +/- 4
Low-Tier
25th
< 82
20th
3
58 +/- 1
11th
3
25 +/- 1
8th
3
12 +/- 1
7th
4
11
3rd
3
1
OpenBenchmarking.orgDistribution Of Public Results - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance2170 Results Range From 0 To 3320 MB/s067134201268335402469536603670737804871938100510721139120612731340140714741541160816751742180918761943201020772144221122782345241224792546261326802747281428812948301530823149321632833350100200300400500

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-Time1632486480Min: 1 / Avg: 2.15 / Max: 82

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 4.4%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsRecord Size: 4Kb - File Size: 512MB - Disk Test: Write PerformanceDeviation612182430Min: 0 / Avg: 4.35 / Max: 27

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OpenBenchmarking.org Community User Comments

Error running iozone 1.9.4 on Windows

Hello everyone!

I tried to run iozone-1.9.4 on Windows PC and faced the following error:

file_put_contents: failed to open stream: No such file or directory in pts_phoroscript_interpreter:317

The test executable for pts/iozone-1.9.4 could no be located.

Thank you.
Fabián

Post by fabian on 30 May 2018, 14.52.

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