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

7 November 2022

Test Maintainer

Michael Larabel 

Test Type

Memory

Average Install Time

2 Seconds

Average Run Time

1 Minute, 50 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

300k+ Downloads + 40k+ Public Benchmark Results

Supported Platforms


Public Result Uploads *Reported Test Completions **Reported Installs **Test Profile Page Views ***OpenBenchmarking.orgEventsStream Popularity Statisticspts/stream2010.122011.052011.102012.032012.082013.012013.062013.112014.042014.092015.022015.072015.122016.052016.102017.032017.082018.012018.062018.112019.042019.092020.022020.072020.122021.052021.102022.032022.082023.012023.062023.112024.0450K100K150K200K250K
* 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 updated weekly as of 13 April 2024.
Scale20.7%Triad21.2%Add21.1%Copy37.1%Type Option PopularityOpenBenchmarking.org

Revision History

pts/stream-1.3.4   [View Source]   Mon, 07 Nov 2022 14:50:10 GMT
Compile with -mcmodel=medium flag added if first build fails. Closes: https://github.com/phoronix-test-suite/test-profiles/pull/257

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: Scale

OpenBenchmarking.org metrics for this test profile configuration based on 3,341 public results since 31 May 2016 with the latest data as of 17 April 2024.

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
3
331989 +/- 10785
100th
10
179463 +/- 5991
99th
3
158746 +/- 2140
98th
5
140665 +/- 12578
97th
3
123741 +/- 277
96th
3
108830 +/- 722
96th
3
107835 +/- 1705
95th
10
97462 +/- 12575
93rd
4
93286 +/- 2348
93rd
6
91086 +/- 4076
92nd
3
84141 +/- 3186
87th
6
74475 +/- 2876
87th
4
72162 +/- 5757
84th
9
69554 +/- 20
83rd
7
65753 +/- 7721
80th
5
59173 +/- 5989
76th
4
50570 +/- 6988
Mid-Tier
75th
< 50483
73rd
4
47286 +/- 252
70th
171
46596 +/- 283
70th
3
46573 +/- 876
70th
65
46567 +/- 249
64th
3
45698 +/- 3206
62nd
3
45061 +/- 4858
60th
5
44826 +/- 933
59th
4
44658 +/- 8
58th
7
43535 +/- 3529
56th
3
41256 +/- 1715
51st
3
37423 +/- 86
Median
50th
37026
49th
3
35239 +/- 24
47th
3
32835 +/- 73
38th
5
25278 +/- 238
37th
3
24763 +/- 35
34th
3
22456 +/- 2314
33rd
6
21975 +/- 168
30th
5
21247 +/- 297
30th
14
21185 +/- 840
27th
8
19998 +/- 696
26th
4
19631 +/- 1559
Low-Tier
25th
< 19223
25th
3
19111 +/- 176
24th
5
18783 +/- 2255
22nd
7
17944 +/- 1686
22nd
4
17873 +/- 1324
21st
3
17418 +/- 133
21st
3
17390 +/- 198
21st
3
17218 +/- 624
20th
4
16911 +/- 1860
20th
6
16730 +/- 2172
19th
24
16021 +/- 1825
19th
3
15424 +/- 234
16th
10
13948 +/- 946
13th
10
11992 +/- 355
12th
5
11516 +/- 887
12th
3
10959 +/- 461
11th
3
10240 +/- 364
10th
6
10097 +/- 18
9th
3
9873 +/- 338
9th
6
9764 +/- 1052
9th
3
9660 +/- 475
7th
3
7219 +/- 590
6th
14
6653 +/- 402
6th
5
6542 +/- 310
6th
7
6369 +/- 481
4th
5
4961 +/- 116
4th
4
4072 +/- 502
3rd
6
3133 +/- 162
OpenBenchmarking.orgDistribution Of Public Results - Type: Scale3338 Results Range From 20 To 873253 MB/s2017485349505241569880873451048101222751397401572051746701921352096002270652445302619952794602969253143903318553493203667853842504017154191804366454541104715754890405065055239705414355589005763655938306112956287606462256636906811556986207160857335507510157684807859458034108208758383408558058732702004006008001000

Based on OpenBenchmarking.org data, the selected test / test configuration (Stream 2013-01-17 - Type: Scale) has an average run-time of 5 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-Time3691215Min: 3 / Avg: 4.33 / Max: 7

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: 0.7 / Max: 9

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: 17 November 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, ARMv8 Cortex-A72 64-Core, ARMv8 Neoverse-N1, ARMv8 Neoverse-N1 128-Core, ARMv8 Neoverse-N1 80-Core, ARMv8 Neoverse-N2, ARMv8 Neoverse-N2 2-Core, ARMv8 Neoverse-V2 144-Core, ARMv8 Neoverse-V2 72-Core, Ampere ARMv8 Neoverse-N1 160-Core, Ampere ARMv8 Neoverse-N1 256-Core, Ampere Altra ARMv8 Neoverse-N1 160-Core, Ampere eMAG ARMv8 32-Core, Cavium ThunderX, HUAWEI Kunpeng 920, Phytium FT-2000, Phytium FT2000A 4-Core, Phytium S2500

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