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 15 May 2024.
Scale20.7%Triad21.2%Add21.1%Copy37.0%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: Triad

OpenBenchmarking.org metrics for this test profile configuration based on 3,460 public results since 31 May 2016 with the latest data as of 22 May 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
494498 +/- 19559
100th
3
461522 +/- 11087
100th
3
328574 +/- 14358
100th
10
197235 +/- 10440
99th
4
187794 +/- 2634
99th
3
176429 +/- 1217
97th
5
140562 +/- 12206
97th
3
129821 +/- 234
96th
3
122384 +/- 303
95th
3
115684 +/- 1251
94th
9
108886 +/- 15373
93rd
4
102970 +/- 2476
91st
6
93767 +/- 3970
91st
3
93394 +/- 5394
88th
6
83348 +/- 4736
87th
3
81916 +/- 3221
86th
4
80241 +/- 7024
85th
7
73706 +/- 9283
84th
9
73017 +/- 24
80th
5
65734 +/- 6553
77th
7
57774 +/- 7801
76th
4
56194 +/- 8143
Mid-Tier
75th
< 55462
71st
171
52800 +/- 178
70th
65
52761 +/- 133
67th
4
52507 +/- 150
66th
3
51488 +/- 3791
65th
3
50688 +/- 5183
59th
5
48073 +/- 1217
56th
3
45866 +/- 821
56th
7
45123 +/- 3351
55th
4
44584 +/- 17
53rd
3
41616 +/- 133
51st
4
40537 +/- 5473
Median
50th
39761
49th
3
37848 +/- 92
48th
3
37407 +/- 76
40th
5
28603 +/- 245
39th
3
28048 +/- 109
35th
7
25591 +/- 2383
34th
6
24932 +/- 2715
33rd
6
24298 +/- 199
33rd
3
24230 +/- 2701
33rd
5
24166 +/- 172
30th
14
23452 +/- 1123
26th
8
21711 +/- 803
26th
4
21664 +/- 1767
26th
6
21523 +/- 1672
Low-Tier
25th
< 21290
25th
3
21195 +/- 147
24th
7
20724 +/- 2327
23rd
4
19922 +/- 1700
22nd
3
19654 +/- 319
22nd
3
19603 +/- 430
21st
4
18917 +/- 1981
21st
3
18901 +/- 240
20th
7
18348 +/- 2355
20th
3
18290 +/- 456
20th
24
17963 +/- 2115
16th
10
15535 +/- 1024
14th
10
13267 +/- 506
12th
5
12664 +/- 1241
12th
3
12088 +/- 605
11th
6
11617 +/- 132
10th
3
11285 +/- 431
10th
3
11227 +/- 708
10th
6
11091 +/- 982
9th
3
10831 +/- 546
7th
3
8236 +/- 758
6th
14
7755 +/- 134
6th
5
7627 +/- 323
6th
3
7275 +/- 112
6th
7
7196 +/- 566
4th
8
5855 +/- 242
4th
4
4613 +/- 362
3rd
10
3857 +/- 157
OpenBenchmarking.orgDistribution Of Public Results - Type: Triad3458 Results Range From 25 To 829045 MB/s251660633187497686634982930995111160921326731492541658351824161989972155782321592487402653212819022984833150643316453482263648073813883979694145504311314477124642934808744974555140365306175471985637795803605969416135226301036466846632656798466964277130087295897461707627517793327959138124948290752004006008001000

Based on OpenBenchmarking.org data, the selected test / test configuration (Stream 2013-01-17 - Type: Triad) 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: TriadRun-Time3691215Min: 1 / Avg: 3.14 / Max: 10

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: TriadDeviation3691215Min: 0 / Avg: 0.68 / 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-N2 4-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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