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, 46 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/stream2010.122011.052011.102012.032012.082013.012013.062013.112014.042014.092015.022015.072015.122016.052016.102017.032017.082018.012018.062018.112019.042019.092020.022020.072020.122021.052021.102022.032022.082023.012023.062023.112024.042024.0950K100K150K200K250K
* 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 16 January 2025.
Scale20.9%Triad21.4%Add21.4%Copy36.3%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 6,313 public results since 31 May 2016 with the latest data as of 15 January 2025.

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
210411 +/- 12679
100th
3
184066 +/- 15461
99th
4
175676 +/- 7361
98th
5
146479 +/- 20566
98th
7
144725 +/- 13380
97th
3
133078 +/- 227
96th
3
125324 +/- 10695
96th
3
125241 +/- 268
95th
3
119746 +/- 5641
94th
10
107886 +/- 16156
94th
4
107755 +/- 839
93rd
4
103099 +/- 12872
92nd
3
94823 +/- 2386
91st
7
90432 +/- 10792
88th
3
83646 +/- 12007
87th
6
81244 +/- 3332
87th
9
80267 +/- 25
87th
3
79553 +/- 2681
85th
5
74281 +/- 6763
83rd
3
67728 +/- 3571
82nd
3
66083 +/- 5287
81st
4
65265 +/- 6864
81st
4
64178 +/- 125
80th
4
63863 +/- 3980
80th
5
62972 +/- 988
77th
65
61512 +/- 1391
77th
171
61271 +/- 1629
76th
5
59713 +/- 6841
76th
5
59566 +/- 6179
76th
7
58665 +/- 5782
Mid-Tier
75th
< 58190
74th
4
55728 +/- 50
72nd
3
52417 +/- 137
68th
3
50270 +/- 319
63rd
4
47216 +/- 2420
62nd
3
46705 +/- 789
56th
3
43715 +/- 238
Median
50th
40820
50th
7
39556 +/- 1526
45th
3
34503 +/- 865
45th
6
33556 +/- 278
44th
3
33228 +/- 278
43rd
15
31942 +/- 3466
42nd
5
30967 +/- 115
38th
8
29986 +/- 1279
35th
15
29444 +/- 914
33rd
12
28914 +/- 1342
31st
4
28346 +/- 3909
31st
3
28085 +/- 574
30th
3
27280 +/- 3679
29th
7
27219 +/- 2990
29th
3
26666 +/- 2804
29th
3
26550 +/- 1312
28th
4
26102 +/- 1381
27th
5
24848 +/- 3548
27th
5
24658 +/- 127
Low-Tier
25th
< 23899
25th
26
23554 +/- 2993
24th
4
22365 +/- 2500
22nd
5
20318 +/- 2788
21st
3
19621 +/- 111
20th
10
18960 +/- 631
20th
11
18646 +/- 1096
16th
5
16401 +/- 1369
15th
3
15706 +/- 1007
14th
4
15130 +/- 670
13th
3
14376 +/- 610
11th
6
13243 +/- 159
11th
7
13190 +/- 1293
10th
6
12617 +/- 1215
9th
4
12214 +/- 802
6th
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
Detailed Performance Overview
OpenBenchmarking.orgDistribution Of Public Results - Type: Copy6313 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: 3.39 / 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-3A5000, 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, Qualcomm

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