N-Queens

This is a test of the OpenMP version of a test that solves the N-queens problem. The board problem size is 18.

Learn more about this test at the upstream project site: http://www.arch.cs.titech.ac.jp/~kise/nq/index.htm.

This utility test profile is maintained by Michael Larabel. This OpenBenchmarking.org test profile was created on 6 December 2010 and last updated on 11 October 2019. To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark n-queens.

This test has an average install time of 2 seconds and an average run-time of 8 minutes, 2 seconds.

150k+ Downloads

Public Result UploadsTest Completions*Reported Installs*OpenBenchmarking.orgEventsN-Queens Popularity Statisticspts/n-queens2011.012011.052011.092012.012012.052012.092013.012013.052013.092014.012014.052014.092015.012015.052015.092016.012016.052016.092017.012017.052017.092018.012018.052018.092019.012019.052019.092020.012020.052020.092021.018K16K24K32K40K

* 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.
Data current as of Sat, 16 Jan 2021 17:17:17 GMT.

Revision History

pts/n-queens-1.2.1   [View Source]   Fri, 11 Oct 2019 11:15:32 GMT
Enable Windows support.

pts/n-queens-1.2.0   [View Source]   Thu, 25 Aug 2016 13:50:26 GMT
Update CFLAGS handling, update download links

pts/n-queens-1.1.0   [View Source]   Wed, 23 Jan 2013 11:48:38 GMT
Ensure OpenMP flag is passed to the C compiler.

pts/n-queens-1.0.0   [View Source]   Mon, 06 Dec 2010 15:00:36 GMT
Initial import into OpenBenchmarking.org

Suites Using This Test

Chess Test Suite

Multi-Core


Performance Metrics

Analyze Test Configuration:

N-Queens 1.0

Elapsed Time

OpenBenchmarking.org metrics for this test profile configuration based on 1,399 public results since 25 August 2016 with the latest data as of 12 January 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
# Matching Public Results
Seconds (Average)
Mid-Tier
75th
> 7
60th
22
10 +/- 1
Median
50th
14
49th
11
14 +/- 1
39th
5
19 +/- 1
37th
15
21 +/- 2
37th
3
21 +/- 1
32nd
14
26 +/- 1
31st
10
29 +/- 2
31st
3
29 +/- 1
30th
3
31 +/- 2
29th
3
31 +/- 1
28th
3
32 +/- 1
27th
6
34 +/- 3
27th
4
34 +/- 1
27th
3
35 +/- 2
26th
4
36 +/- 1
Low-Tier
25th
> 37
25th
3
38 +/- 4
23rd
15
44 +/- 2
22nd
3
46 +/- 8
21st
3
48 +/- 1
20th
3
49 +/- 5
20th
3
51 +/- 1
19th
5
52 +/- 5
19th
5
55 +/- 1
16th
5
59 +/- 3
15th
15
63 +/- 8
13th
5
80 +/- 1
12th
5
84 +/- 19
10th
5
99 +/- 18
10th
4
102 +/- 11
4th
6
201 +/- 14
2nd
10
258 +/- 10
OpenBenchmarking.orgDistribution Of Public Results - Elapsed Time1399 Results Range From 0 To 13286 Seconds026653279810641330159618622128239426602926319234583724399042564522478850545320558658526118638466506916718274487714798082468512877890449310957698421010810374106401090611172114381170411970122361250212768130341330030060090012001500

Based on OpenBenchmarking.org data, the selected test / test configuration (N-Queens 1.0 - Elapsed Time) 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 BenchmarkElapsed TimeRun-Time3691215Min: 1 / Avg: 1.38 / Max: 9

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsElapsed TimeDeviation246810Min: 0 / Avg: 0.26 / Max: 5

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