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 16 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: Copy

OpenBenchmarking.org metrics for this test profile configuration based on 4,656 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
236233 +/- 10097
99th
4
127355 +/- 9631
98th
3
119746 +/- 5641
98th
10
107886 +/- 16156
97th
6
97339 +/- 12650
95th
19
88066 +/- 11208
93rd
3
83646 +/- 12007
90th
5
74281 +/- 6763
87th
4
65265 +/- 6864
87th
5
62972 +/- 988
86th
6
59288 +/- 4092
82nd
3
52417 +/- 137
77th
3
50270 +/- 319
Mid-Tier
75th
< 49779
62nd
3
43715 +/- 238
59th
3
42383 +/- 6038
Median
50th
31495
49th
5
30967 +/- 115
46th
7
30147 +/- 1291
40th
8
29186 +/- 1013
38th
12
28914 +/- 1342
34th
3
27430 +/- 424
34th
7
27219 +/- 2990
33rd
3
26550 +/- 1312
31st
5
24658 +/- 127
29th
27
23617 +/- 2953
28th
4
22365 +/- 2500
27th
5
20318 +/- 2788
26th
3
19621 +/- 111
Low-Tier
25th
< 19449
24th
10
18960 +/- 631
24th
8
18284 +/- 1076
21st
4
16913 +/- 865
15th
3
14376 +/- 610
14th
7
13190 +/- 1293
11th
6
12617 +/- 1215
11th
10
12306 +/- 1296
11th
4
12214 +/- 802
7th
3
10786 +/- 546
6th
6
9973 +/- 432
6th
3
9624 +/- 500
6th
5
9608 +/- 298
6th
7
9562 +/- 1184
5th
7
9250 +/- 226
5th
9
8974 +/- 150
5th
15
8124 +/- 798
4th
3
6988 +/- 16
4th
3
6489 +/- 181
4th
5
6392 +/- 300
3rd
4
4310 +/- 12
3rd
4
4014 +/- 332
2nd
6
3634 +/- 397
OpenBenchmarking.orgDistribution Of Public Results - Type: Copy4656 Results Range From 21 To 348409 MB/s216989139572092527893348614182948797557656273369701766698363790605975731045411115091184771254451324131393811463491533171602851672531742211811891881571951252020932090612160292229972299652369332439012508692578372648052717732787412857092926772996453066133135813205493275173344853414533484212004006008001000

Based on OpenBenchmarking.org data, the selected test / test configuration (Stream 2013-01-17 - Type: Copy) has an average run-time of 3 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: CopyRun-Time1326395265Min: 1 / Avg: 2.75 / Max: 67

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsType: CopyDeviation246810Min: 0 / Avg: 0.32 / Max: 6

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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