Stream

This is a benchmark of Stream, the popular system memory (RAM) benchmark.

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

Project Site

cs.virginia.edu

Test Created

6 December 2010

Last Updated

24 April 2021

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

2 Seconds

Average Run Time

2 Minutes, 14 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

250k+ Downloads + 30k+ Public Benchmark Results

Supported Platforms


Public Result Uploads *Reported Test Completions **Reported Installs **Test Profile Page Views ***OpenBenchmarking.orgEventsStream Popularity Statisticspts/stream2010.122011.042011.082011.122012.042012.082012.122013.042013.082013.122014.042014.082014.122015.042015.082015.122016.042016.082016.122017.042017.082017.122018.042018.082018.122019.042019.082019.122020.042020.082020.122021.0440K80K120K160K200K
* 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 19 June 2021.
Scale18.3%Triad18.8%Add18.7%Copy44.2%Type Option PopularityOpenBenchmarking.org

Revision History

pts/stream-1.3.2   [View Source]   Sat, 24 Apr 2021 09:17:21 GMT
Allow Stream to use larger STREAM_ARRAY_SIZE on todays larger cache systems.

pts/stream-1.3.1   [View Source]   Thu, 25 Aug 2016 13:45:50 GMT
Update CFLAGS handling

pts/stream-1.3.0   [View Source]   Tue, 31 May 2016 10:25:02 GMT
Increase array size, other minor adjustments

pts/stream-1.2.0   [View Source]   Thu, 05 Dec 2013 11:54:00 GMT
Update against latest upstream STREAM memory benchmark.

pts/stream-1.1.0   [View Source]   Mon, 06 Dec 2010 15:22:16 GMT
Initial import into OpenBenchmarking.org

Suites Using This Test

Memory Test Suite

CPU Massive

Server CPU Tests


Performance Metrics

Analyze Test Configuration:

Stream 2013-01-17

Type: Scale

OpenBenchmarking.org metrics for this test profile configuration based on 1,924 public results since 31 May 2016 with the latest data as of 4 June 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)
100th
10
179463 +/- 5991
99th
9
136214 +/- 19252
98th
4
109587 +/- 3770
97th
10
97462 +/- 12575
94th
3
84141 +/- 3186
89th
4
73547 +/- 3215
88th
4
72162 +/- 5757
86th
19
64071 +/- 7421
83rd
5
59173 +/- 5989
79th
4
50570 +/- 6988
79th
6
50295 +/- 5573
76th
3
45698 +/- 3206
Mid-Tier
75th
< 45589
72nd
5
44826 +/- 933
62nd
3
37423 +/- 86
60th
3
35239 +/- 24
60th
3
35118 +/- 104
57th
3
32835 +/- 73
Median
50th
25911
49th
5
25278 +/- 238
42nd
3
21460 +/- 75
41st
8
21158 +/- 1095
38th
7
20170 +/- 537
36th
3
19483 +/- 1875
35th
3
19111 +/- 176
34th
5
18783 +/- 2255
31st
7
17944 +/- 1686
31st
4
17873 +/- 1324
30th
3
17390 +/- 198
30th
3
17218 +/- 624
29th
4
16911 +/- 1860
27th
25
16027 +/- 1787
26th
3
15424 +/- 234
Low-Tier
25th
< 14941
22nd
7
13792 +/- 1113
19th
10
11992 +/- 355
18th
4
11876 +/- 430
17th
3
10959 +/- 461
15th
3
10240 +/- 364
14th
3
9873 +/- 338
14th
6
9764 +/- 1052
13th
3
9660 +/- 475
13th
9
9576 +/- 903
10th
3
7219 +/- 590
9th
14
6653 +/- 402
8th
5
6542 +/- 310
8th
5
6195 +/- 463
6th
5
4961 +/- 116
5th
4
3994 +/- 294
3rd
6
3133 +/- 162
OpenBenchmarking.orgDistribution Of Public Results - Type: Scale1924 Results Range From 20 To 282282 MB/s2056661131216958226042825033896395424518850834564806212667772734187906484710903569600210164810729411294011858612423212987813552414117014681615246215810816375416940017504618069218633819198419763020327620892221456822021422586023150623715224279824844425409025973626538227102827667428232070140210280350

Based on OpenBenchmarking.org data, the selected test / test configuration (Stream 2013-01-17 - Type: Scale) has an average run-time of 2 minutes. By default this test profile is set to run at least 5 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 BenchmarkType: ScaleRun-Time246810Min: 1 / Avg: 1 / Max: 1

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.7%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsType: ScaleDeviation3691215Min: 0 / Avg: 0.73 / Max: 8

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
Used by default on supported hardware.
Found on Intel processors since Sandy Bridge (2011).
Found on AMD processors since Bulldozer (2011).

 
VINSERTF128 VZEROUPPER VBROADCASTSD VEXTRACTF128
Used by default on supported hardware.
Found on Intel processors since Haswell (2013).
Found on AMD processors since Excavator (2016).

 
VINSERTI128 VEXTRACTI128 VPERM2I128
FMA (FMA)
Used by default on supported hardware.
Found on Intel processors since Haswell (2013).
Found on AMD processors since Bulldozer (2011).

 
VFMADD132SD VFMADD213PD VFMADD132PD
Last automated analysis: 31 January 2021

This test profile binary relies on the shared libraries libgomp.so.1, libpthread.so.0, libc.so.6, libdl.so.2.

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