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

2 Minutes, 41 Seconds

Average Run Time

5 Minutes, 57 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/fftw2015.012015.042015.072015.102016.012016.042016.072016.102017.012017.042017.072017.102018.012018.042018.072018.102019.012019.042019.072019.102020.012020.042020.072020.102021.012021.042021.077K14K21K28K35K
* 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 current as of 16 September 2021.
Float + SSE51.1%Stock48.9%Build Option PopularityOpenBenchmarking.org
2D FFT Size 3211.6%2D FFT Size 409640.8%1D FFT Size 3221.2%1D FFT Size 409626.4%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

CPU Massive

Scientific Computing

HPC - High Performance 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 660 public results since 16 August 2017 with the latest data as of 16 September 2021.

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)
98th
32
12797 +/- 1355
98th
9
12652 +/- 1271
97th
14
12241 +/- 749
95th
9
11781 +/- 1211
94th
6
11680 +/- 230
90th
5
11267 +/- 151
89th
14
10644 +/- 1191
87th
10
10073 +/- 807
87th
6
9973 +/- 415
83rd
7
9120 +/- 327
83rd
22
9112 +/- 800
80th
4
8976 +/- 113
78th
11
8892 +/- 247
76th
8
8799 +/- 36
Mid-Tier
75th
< 8794
74th
5
8749 +/- 73
71st
3
8676 +/- 100
70th
7
8611 +/- 468
70th
3
8611 +/- 53
69th
3
8544 +/- 27
63rd
3
8100 +/- 346
63rd
5
8048 +/- 357
62nd
6
7963 +/- 997
51st
11
7432 +/- 807
Median
50th
7428
50th
3
7383 +/- 349
47th
3
7094 +/- 683
45th
5
6974 +/- 46
45th
8
6964 +/- 243
44th
3
6926 +/- 38
42nd
3
6828 +/- 910
39th
3
6779 +/- 13
39th
6
6776 +/- 258
33rd
7
6667 +/- 31
33rd
6
6654 +/- 13
26th
4
6299 +/- 604
Low-Tier
25th
< 6232
23rd
7
5803 +/- 166
20th
4
5577 +/- 145
12th
3
4350 +/- 253
11th
4
4010 +/- 95
10th
3
3957 +/- 53
OpenBenchmarking.orgDistribution Of Public Results - Build: Stock - Size: 1D FFT Size 4096658 Results Range From 206 To 15721 Mflops20651782811391450176120722383269430053316362739384249456048715182549358046115642667377048735976707981829286038914922595369847101581046910780110911140211713120241233512646129571326813579138901420114512148231513415445157561428425670

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: 0.37 / Max: 4

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 409646812162432640.46670.93341.40011.86682.3335

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