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, 50 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/fftw2015.012015.052015.092016.012016.052016.092017.012017.052017.092018.012018.052018.092019.012019.052019.092020.012020.052020.092021.012021.052021.092022.012022.052022.092023.012023.052023.092024.012024.0516K32K48K64K80K
* 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 22 June 2024.
Float + SSE49.1%Stock50.9%Build Option PopularityOpenBenchmarking.org
2D FFT Size 1285.4%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 409611.8%1D FFT Size 2565.1%1D FFT Size 20485.4%2D FFT Size 20485.6%1D FFT Size 328.5%1D FFT Size 40969.2%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: 1D FFT Size 4096

OpenBenchmarking.org metrics for this test profile configuration based on 1,219 public results since 16 August 2017 with the latest data as of 25 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
Mflops (Average)
100th
22
24220 +/- 484
99th
8
18313 +/- 199
98th
3
14123 +/- 1548
98th
10
14001 +/- 1968
96th
3
13577 +/- 334
94th
34
12747 +/- 1328
94th
9
12652 +/- 1271
93rd
15
12181 +/- 757
91st
12
11705 +/- 158
91st
13
11683 +/- 1000
88th
5
11267 +/- 151
88th
4
11012 +/- 136
87th
4
10902 +/- 10
87th
14
10644 +/- 1191
85th
10
10073 +/- 807
85th
6
9973 +/- 415
83rd
8
9436 +/- 142
81st
20
9141 +/- 833
81st
5
9113 +/- 242
80th
8
9071 +/- 333
78th
7
8870 +/- 270
78th
3
8865 +/- 164
76th
8
8799 +/- 36
Mid-Tier
75th
< 8768
75th
5
8749 +/- 73
74th
3
8676 +/- 100
73rd
7
8611 +/- 468
73rd
3
8611 +/- 53
73rd
3
8544 +/- 27
70th
5
8124 +/- 1024
69th
3
8070 +/- 965
60th
10
7455 +/- 847
59th
3
7402 +/- 46
57th
3
7094 +/- 683
56th
10
6977 +/- 216
56th
5
6974 +/- 46
55th
3
6926 +/- 38
54th
3
6828 +/- 910
52nd
3
6779 +/- 13
51st
5
6709 +/- 223
Median
50th
6708
48th
7
6667 +/- 31
48th
6
6654 +/- 13
44th
4
6299 +/- 604
37th
3
5953 +/- 14
36th
7
5803 +/- 166
33rd
4
5577 +/- 145
31st
12
5377 +/- 156
29th
4
5089 +/- 38
27th
3
4759 +/- 190
Low-Tier
25th
< 4668
23rd
3
4350 +/- 253
22nd
4
4010 +/- 95
22nd
3
3957 +/- 53
21st
11
3915 +/- 18
7th
28
1133 +/- 25
3rd
3
674 +/- 3
OpenBenchmarking.orgDistribution Of Public Results - Build: Stock - Size: 1D FFT Size 40961219 Results Range From 206 To 25050 Mflops20670312001697219426913188368541824679517656736170666771647661815886559152964910146106431114011637121341263113128136251412214619151161561316110166071710417601180981859519092195892008620583210802157722074225712306823565240622455925056306090120150

Based on OpenBenchmarking.org data, the selected test / test configuration (FFTW 3.3.6 - Build: Stock - Size: 1D FFT Size 4096) has an average run-time of 2 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: 1D FFT Size 4096Run-Time246810Min: 1 / Avg: 1 / Max: 1

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 RunsBuild: Stock - Size: 1D FFT Size 4096Deviation246810Min: 0 / Avg: 0.38 / 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: 1D FFT Size 40964681012162432640.66671.33342.00012.66683.3335

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
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 6-Core, ARMv8 Cortex-A76 4-Core, ARMv8 Neoverse-N1 160-Core, ARMv8 rev 0 8-Core

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