FFTW

FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark fftw.

Project Site

fftw.org

Test Created

22 January 2015

Last Updated

16 August 2017

Test Maintainer

Michael Larabel 

Test Type

Processor

Average Install Time

1 Minute, 53 Seconds

Average Run Time

2 Minutes, 54 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

100k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsFFTW Popularity Statisticspts/fftw2015.012015.042015.072015.102016.012016.042016.072016.102017.012017.042017.072017.102018.012018.042018.072018.102019.012019.042019.072019.102020.012020.042020.072020.102021.012021.042021.072021.102022.012022.042022.072022.102023.012023.042023.072023.102024.0114K28K42K56K70K
* 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 26 March 2024.
Float + SSE49.1%Stock50.9%Build Option PopularityOpenBenchmarking.org
2D FFT Size 1285.3%2D FFT Size 5125.5%1D FFT Size 10245.5%1D FFT Size 5125.3%2D FFT Size 2565.1%2D FFT Size 645.1%2D FFT Size 10245.7%1D FFT Size 1285.2%2D FFT Size 326.4%2D FFT Size 409611.9%1D FFT Size 2565.0%1D FFT Size 20485.3%2D FFT Size 20485.6%1D FFT Size 328.6%1D FFT Size 40969.3%1D FFT Size 645.1%Size Option PopularityOpenBenchmarking.org

Revision History

pts/fftw-1.2.0   [View Source]   Wed, 16 Aug 2017 10:29:55 GMT
Update against fftw 3.3.6, add AVX2/AVX512 enables

pts/fftw-1.1.0   [View Source]   Sat, 24 Jan 2015 12:28:44 GMT
Switch to using Mflops as a scale.

pts/fftw-1.0.0   [View Source]   Thu, 22 Jan 2015 11:35:11 GMT
Initial commit of fftw.

Suites Using This Test

C/C++ Compiler Tests

HPC - High Performance Computing

CPU Massive

Scientific Computing


Performance Metrics

Analyze Test Configuration:

FFTW 3.3.6

Build: Stock - Size: 2D FFT Size 4096

OpenBenchmarking.org metrics for this test profile configuration based on 1,540 public results since 16 August 2017 with the latest data as of 29 March 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
Mflops (Average)
100th
8
13618 +/- 374
100th
8
10757 +/- 716
100th
10
10642 +/- 1034
96th
40
8417 +/- 698
96th
22
8267 +/- 145
92nd
16
7919 +/- 336
92nd
17
7909 +/- 280
92nd
17
7889 +/- 846
92nd
4
7856 +/- 122
91st
7
7740 +/- 258
89th
9
7482 +/- 191
87th
21
7229 +/- 550
86th
7
7095 +/- 491
86th
5
7076 +/- 108
84th
3
6962 +/- 64
82nd
7
6811 +/- 241
82nd
7
6809 +/- 219
82nd
29
6783 +/- 538
80th
8
6653 +/- 189
79th
15
6650 +/- 333
78th
5
6598 +/- 158
78th
10
6593 +/- 467
Mid-Tier
75th
< 6474
74th
31
6410 +/- 531
74th
11
6374 +/- 264
74th
11
6360 +/- 292
74th
5
6335 +/- 232
73rd
7
6307 +/- 479
69th
3
5998 +/- 142
68th
4
5940 +/- 588
68th
3
5896 +/- 145
65th
7
5740 +/- 61
65th
3
5698 +/- 145
63rd
10
5625 +/- 218
61st
6
5561 +/- 697
61st
12
5553 +/- 397
60th
3
5506 +/- 27
57th
3
5299 +/- 26
55th
5
5225 +/- 125
54th
10
5132 +/- 110
54th
6
5127 +/- 590
52nd
8
5033 +/- 71
Median
50th
5013
50th
6
5008 +/- 68
50th
10
4999 +/- 223
48th
3
4947 +/- 396
48th
16
4904 +/- 333
46th
3
4776 +/- 119
41st
5
4601 +/- 360
41st
3
4597 +/- 165
39th
5
4492 +/- 276
39th
4
4473 +/- 444
38th
4
4460 +/- 443
37th
5
4368 +/- 327
36th
3
4330 +/- 158
35th
5
4285 +/- 34
35th
5
4255 +/- 294
33rd
3
4091 +/- 58
32nd
7
3923 +/- 419
31st
4
3907 +/- 76
31st
3
3863 +/- 198
30th
12
3802 +/- 89
26th
3
3442 +/- 118
Low-Tier
25th
< 3398
24th
3
3217 +/- 115
21st
4
2683 +/- 7
19th
4
2308 +/- 8
17th
3
1952 +/- 56
9th
28
1308 +/- 2
7th
28
869 +/- 15
4th
3
456 +/- 3
OpenBenchmarking.orgDistribution Of Public Results - Build: Stock - Size: 2D FFT Size 40961540 Results Range From 79 To 14069 Mflops7935963991911991479175920392319259928793159343937193999427945594839511953995679595962396519679970797359763979198199847987599039931995999879101591043910719109991127911559118391211912399126791295913239135191379914079306090120150

Based on OpenBenchmarking.org data, the selected test / test configuration (FFTW 3.3.6 - Build: Stock - Size: 2D FFT Size 4096) has an average run-time of 16 minutes. By default this test profile is set to run at least 3 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 BenchmarkBuild: Stock - Size: 2D FFT Size 4096Run-Time1530456075Min: 4 / Avg: 15.03 / Max: 77

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.6%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsBuild: Stock - Size: 2D FFT Size 4096Deviation246810Min: 0 / Avg: 0.59 / Max: 5

Does It Scale Well With Increasing Cores?

No, based on the automated analysis of the collected public benchmark data, this test / test settings does not generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.

IntelAMDOpenBenchmarking.orgRelative Core Scaling To BaseFFTW CPU Core ScalingBuild: Stock - Size: 2D FFT Size 409624681012162432640.49170.98341.47511.96682.4585

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)
SPARC64
sparc64
(Many Processors)
IBM Z
s390x
(Many Processors)
IBM POWER (PowerPC) 64-bit
ppc64le
POWER9 16-Core, POWER9 altivec supported 44-Core
MIPS 64-bit
mips64
ICT Loongson-3A R3
Intel / AMD x86 32-bit
i686
(Many Processors)
ARMv7 32-bit
armv7l
ARMv7 rev 3 4-Core, ARMv7 rev 4 4-Core
DEC Alpha
alpha
Alpha
ARMv8 64-bit
aarch64
ARMv8, ARMv8 Cortex-A53 4-Core, ARMv8 Cortex-A72 4-Core, ARMv8 Cortex-A72 6-Core, ARMv8 Cortex-A76 4-Core, ARMv8 Neoverse-N1 160-Core, ARMv8 rev 0 8-Core

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4 Systems - 153 Benchmark Results

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