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 23 June 2024.
Scale20.7%Triad21.2%Add21.1%Copy36.9%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: Copy

OpenBenchmarking.org metrics for this test profile configuration based on 6,081 public results since 31 May 2016 with the latest data as of 24 June 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
5
621452 +/- 26882
100th
3
335286 +/- 12215
100th
4
257627 +/- 2148
100th
10
236233 +/- 10097
100th
3
231477 +/- 3454
100th
4
214746 +/- 3663
100th
3
184066 +/- 15461
99th
5
146479 +/- 20566
98th
3
133078 +/- 227
97th
3
125324 +/- 10695
97th
3
125241 +/- 268
96th
3
119746 +/- 5641
95th
10
107886 +/- 16156
93rd
3
94823 +/- 2386
92nd
7
90432 +/- 10792
90th
3
83646 +/- 12007
89th
6
81244 +/- 3332
88th
9
80267 +/- 25
86th
5
74281 +/- 6763
83rd
4
65265 +/- 6864
82nd
4
64178 +/- 125
81st
5
62972 +/- 988
78th
65
61512 +/- 1391
78th
171
61271 +/- 1629
77th
5
59713 +/- 6841
77th
3
59131 +/- 6966
77th
7
58665 +/- 5782
76th
4
55728 +/- 50
Mid-Tier
75th
< 55253
73rd
3
52417 +/- 137
70th
3
50270 +/- 319
64th
4
47216 +/- 2420
63rd
3
46705 +/- 789
56th
3
43715 +/- 238
51st
6
40535 +/- 2543
Median
50th
39827
50th
7
39556 +/- 1526
46th
3
34503 +/- 865
45th
6
33556 +/- 278
45th
3
33228 +/- 278
43rd
5
30967 +/- 115
39th
8
29986 +/- 1279
36th
15
29444 +/- 914
34th
12
28914 +/- 1342
32nd
4
28346 +/- 3909
31st
3
28085 +/- 574
31st
8
27933 +/- 3388
30th
3
27280 +/- 3679
30th
7
27219 +/- 2990
29th
3
26550 +/- 1312
28th
3
25493 +/- 796
27th
5
24848 +/- 3548
27th
5
24658 +/- 127
26th
26
23554 +/- 2993
Low-Tier
25th
< 23509
24th
4
22365 +/- 2500
23rd
5
20318 +/- 2788
22nd
3
19621 +/- 111
21st
10
18960 +/- 631
20th
11
18646 +/- 1096
17th
5
16401 +/- 1369
15th
3
15706 +/- 1007
13th
3
14376 +/- 610
12th
6
13243 +/- 159
12th
7
13190 +/- 1293
10th
6
12617 +/- 1215
9th
4
12214 +/- 802
7th
3
10786 +/- 546
5th
8
9743 +/- 562
5th
3
9624 +/- 500
5th
5
9608 +/- 298
5th
7
9562 +/- 1184
5th
7
9546 +/- 1192
5th
7
9250 +/- 226
4th
9
8974 +/- 150
4th
15
8124 +/- 798
4th
3
6988 +/- 16
3rd
5
6392 +/- 300
3rd
4
6385 +/- 255
2nd
4
4310 +/- 12
2nd
6
3634 +/- 397
OpenBenchmarking.orgDistribution Of Public Results - Type: Copy6080 Results Range From 21 To 917394 MB/s211836936717550657341391761110109128457146805165153183501201849220197238545256893275241293589311937330285348633366981385329403677422025440373458721477069495417513765532113550461568809587157605505623853642201660549678897697245715593733941752289770637788985807333825681844029862377880725899073917421400800120016002000

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-Time1530456075Min: 1 / Avg: 3.4 / Max: 76

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: CopyDeviation3691215Min: 0 / Avg: 0.41 / Max: 7

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 64-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 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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