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

16 November 2021

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

2 Seconds

Average Run Time

15 Minutes, 43 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

300k+ Downloads + 30k+ Public Benchmark Results

Supported Platforms


Public Result Uploads *Reported Test Completions **Reported Installs **Test Profile Page Views ***OpenBenchmarking.orgEventsStream Popularity Statisticspts/stream2010.122011.042011.082011.122012.042012.082012.122013.042013.082013.122014.042014.082014.122015.042015.082015.122016.042016.082016.122017.042017.082017.122018.042018.082018.122019.042019.082019.122020.042020.082020.122021.042021.082021.122022.042022.0840K80K120K160K200K
* 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 27 September 2022.
Scale19.8%Triad20.2%Add20.1%Copy39.9%Type Option PopularityOpenBenchmarking.org

Revision History

pts/stream-1.3.3   [View Source]   Tue, 16 Nov 2021 16:55:33 GMT
Fix install-exit-status handling with newer distros like Ubuntu 21.10.

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 5,469 public results since 31 May 2016 with the latest data as of 22 September 2022.

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
100th
3
231477 +/- 3454
100th
5
146973 +/- 3437
100th
5
146479 +/- 20566
98th
4
127355 +/- 9631
98th
3
119746 +/- 5641
97th
10
107886 +/- 16156
94th
19
88066 +/- 11208
92nd
3
83646 +/- 12007
91st
9
80267 +/- 25
89th
5
74281 +/- 6763
86th
4
65265 +/- 6864
85th
4
64178 +/- 125
85th
5
62972 +/- 988
81st
64
61512 +/- 1391
81st
171
61271 +/- 1629
80th
6
59288 +/- 4092
79th
4
55728 +/- 50
76th
3
52417 +/- 137
Mid-Tier
75th
< 51999
72nd
3
50270 +/- 319
58th
3
43715 +/- 238
55th
3
42383 +/- 6038
Median
50th
37225
47th
6
33556 +/- 278
47th
3
33228 +/- 278
45th
5
30967 +/- 115
42nd
3
30280 +/- 4463
41st
8
29986 +/- 1279
38th
14
29444 +/- 914
35th
12
28914 +/- 1342
33rd
4
28346 +/- 3909
31st
3
27430 +/- 424
31st
3
27280 +/- 3679
31st
7
27219 +/- 2990
30th
3
26550 +/- 1312
29th
5
24658 +/- 127
27th
27
23617 +/- 2953
26th
4
22365 +/- 2500
Low-Tier
25th
< 22289
24th
5
20318 +/- 2788
24th
3
19621 +/- 111
22nd
10
18960 +/- 631
22nd
11
18646 +/- 1096
18th
5
16401 +/- 1369
16th
3
15706 +/- 1007
14th
3
14376 +/- 610
12th
6
13243 +/- 159
12th
7
13190 +/- 1293
10th
6
12617 +/- 1215
10th
4
12214 +/- 802
7th
3
10786 +/- 546
6th
8
9743 +/- 562
5th
3
9624 +/- 500
5th
5
9608 +/- 298
5th
7
9562 +/- 1184
5th
7
9546 +/- 1192
5th
7
9250 +/- 226
5th
9
8974 +/- 150
4th
15
8124 +/- 798
4th
3
6988 +/- 16
3rd
3
6489 +/- 181
3rd
5
6392 +/- 300
3rd
4
4310 +/- 12
2nd
4
4014 +/- 332
2nd
6
3634 +/- 397
OpenBenchmarking.orgDistribution Of Public Results - Type: Copy5469 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 4 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-Time1428425670Min: 1 / Avg: 3.17 / Max: 71

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.4%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsType: CopyDeviation246810Min: 0 / Avg: 0.36 / 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
Used by default on supported hardware.
Found on Intel processors since Haswell (2013).
Found on AMD processors since Excavator (2016).

 
VINSERTI128 VPBROADCASTD VEXTRACTI128 VPBROADCASTQ
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 VFMADD213SD
Advanced Vector Extensions 512 (AVX512)
Requires passing a supported compiler/build flag (verified with targets: cascadelake, sapphirerapids).
 
(ZMM REGISTER USE)
The test / benchmark does honor compiler flag changes.
Last automated analysis: 18 January 2022

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

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)
MIPS 64-bit
mips64
Loongson-3A R4
Loongson LoongArch 64-bit
loongarch64
Loongson-3C5000LL
Intel / AMD x86 32-bit
i686
(Many Processors)
ARMv8 64-bit
aarch64
ARMv8 Cortex-A72 64-Core, ARMv8 Neoverse-N1, ARMv8 Neoverse-N1 128-Core, ARMv8 Neoverse-N1 64-Core, ARMv8 Neoverse-N1 80-Core, Ampere ARMv8 Neoverse-N1 160-Core, Ampere Altra ARMv8 Neoverse-N1 160-Core, Ampere Altra ARMv8 Neoverse-N1 64-Core, Ampere Altra ARMv8 Neoverse-N1 80-Core, Ampere eMAG ARMv8 32-Core, Cavium ThunderX, HUAWEI Kunpeng 920, Phytium FT-2000, Phytium FT2000A 4-Core, Phytium S2500

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