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

3 Minutes, 23 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/fftw2015.012015.042015.072015.102016.012016.042016.072016.102017.012017.042017.072017.102018.012018.042018.072018.102019.012019.042019.072019.102020.012020.042020.072020.102021.012021.042021.072021.102022.012022.042022.072022.102023.012023.042023.0713K26K39K52K65K
* 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 19 September 2023.
Float + SSE49.1%Stock50.9%Build Option PopularityOpenBenchmarking.org
2D FFT Size 1285.7%2D FFT Size 5126.1%1D FFT Size 10245.9%1D FFT Size 5125.7%2D FFT Size 645.6%2D FFT Size 10246.2%1D FFT Size 1285.6%2D FFT Size 326.9%2D FFT Size 409614.5%1D FFT Size 20485.7%2D FFT Size 20486.1%1D FFT Size 329.5%1D FFT Size 409610.9%1D FFT Size 645.6%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 1,621 public results since 16 August 2017 with the latest data as of 26 September 2023.

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
7
10958 +/- 469
100th
10
10642 +/- 1034
97th
40
8417 +/- 698
94th
16
7919 +/- 336
94th
17
7909 +/- 280
94th
17
7889 +/- 846
94th
4
7856 +/- 122
93rd
7
7740 +/- 258
91st
9
7482 +/- 191
90th
22
7217 +/- 540
88th
7
7095 +/- 491
87th
4
7031 +/- 38
87th
3
6962 +/- 64
85th
7
6811 +/- 241
84th
9
6792 +/- 197
84th
31
6768 +/- 524
82nd
15
6650 +/- 333
81st
10
6593 +/- 467
80th
7
6572 +/- 139
77th
31
6410 +/- 531
77th
11
6374 +/- 264
77th
11
6360 +/- 292
76th
5
6335 +/- 232
76th
7
6307 +/- 479
Mid-Tier
75th
< 6292
74th
6
6200 +/- 282
73rd
8
6082 +/- 255
72nd
3
5998 +/- 142
71st
4
5940 +/- 588
71st
4
5921 +/- 288
71st
3
5896 +/- 145
68th
8
5752 +/- 67
67th
3
5698 +/- 145
67th
6
5696 +/- 61
65th
6
5648 +/- 31
65th
10
5625 +/- 218
63rd
6
5561 +/- 697
63rd
4
5554 +/- 244
61st
3
5506 +/- 27
61st
4
5500 +/- 252
61st
20
5498 +/- 350
60th
4
5457 +/- 295
60th
4
5440 +/- 346
59th
5
5396 +/- 313
59th
4
5367 +/- 287
58th
4
5313 +/- 316
58th
6
5309 +/- 306
58th
3
5299 +/- 26
57th
3
5259 +/- 72
56th
5
5225 +/- 125
56th
8
5225 +/- 286
56th
11
5217 +/- 263
55th
4
5157 +/- 302
55th
9
5131 +/- 236
54th
6
5111 +/- 9
53rd
6
5080 +/- 97
52nd
6
5059 +/- 22
52nd
9
5059 +/- 100
Median
50th
5025
50th
8
5012 +/- 542
49th
10
4999 +/- 223
49th
6
4992 +/- 444
48th
3
4947 +/- 396
47th
16
4904 +/- 333
46th
10
4852 +/- 219
45th
3
4819 +/- 146
44th
3
4776 +/- 119
39th
5
4601 +/- 360
37th
5
4527 +/- 175
36th
5
4492 +/- 276
36th
9
4489 +/- 346
36th
4
4473 +/- 444
36th
4
4460 +/- 443
35th
4
4441 +/- 238
35th
7
4404 +/- 215
34th
5
4368 +/- 327
34th
3
4330 +/- 158
30th
3
4091 +/- 58
30th
4
4083 +/- 238
30th
9
3991 +/- 387
28th
4
3907 +/- 76
28th
3
3863 +/- 198
26th
10
3783 +/- 84
Low-Tier
25th
< 3709
23rd
3
3442 +/- 118
22nd
3
3217 +/- 115
19th
4
2683 +/- 7
17th
4
2308 +/- 8
16th
3
1952 +/- 56
9th
28
1308 +/- 2
6th
28
869 +/- 15
4th
3
456 +/- 3
OpenBenchmarking.orgDistribution Of Public Results - Build: Stock - Size: 2D FFT Size 40961620 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 15 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-Time1428425670Min: 6 / Avg: 14.19 / Max: 71

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.5%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsBuild: Stock - Size: 2D FFT Size 4096Deviation246810Min: 0 / Avg: 0.52 / 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 4096246810121620243248640.69171.38342.07512.76683.4585

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 rev 0 8-Core

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