glibc bench

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more.

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

Project Site

gnu.org

Test Created

29 June 2017

Last Updated

3 September 2019

Test Maintainer

Victor Rodriguez 

Test Type

Processor

Average Install Time

1 Second

Average Run Time

16 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

60k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsglibc bench Popularity Statisticspts/glibc-bench2017.062017.082017.102017.122018.022018.042018.062018.082018.102018.122019.022019.042019.062019.082019.102019.122020.022020.042020.062020.082020.102020.122021.022021.042021.062021.0820K40K60K80K100K
* 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 21 September 2021.
sqrt13.0%ffs7.5%cos7.4%ffsll39.8%pthread_once14.9%tanh10.4%sin6.9%Benchmark Option PopularityOpenBenchmarking.org

Revision History

pts/glibc-bench-1.6.1   [View Source]   Tue, 03 Sep 2019 20:08:13 GMT
Add more test options per https://github.com/phoronix-test-suite/test-profiles/issues/92

pts/glibc-bench-1.6.0   [View Source]   Sat, 01 Dec 2018 09:01:20 GMT
Fix https://github.com/phoronix-test-suite/test-profiles/issues/44

pts/glibc-bench-1.5.1   [View Source]   Mon, 07 May 2018 15:33:25 GMT
Add cos and sin tests https://github.com/phoronix-test-suite/test-profiles/pull/18

pts/glibc-bench-1.5.0   [View Source]   Thu, 29 Jun 2017 11:24:53 GMT
Initial commit.

Suites Using This Test

CPU Massive

Server CPU Tests

Single-Threaded


Performance Metrics

Analyze Test Configuration:

glibc bench 1.0

Benchmark: ffsll

OpenBenchmarking.org metrics for this test profile configuration based on 3,981 public results since 1 December 2018 with the latest data as of 21 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
nanoseconds (Average)
100th
7
1.084 +/- 0.062
100th
3
1.192 +/- 0.009
100th
3
1.260 +/- 0.053
100th
11
1.310 +/- 0.005
100th
3
1.330 +/- 0.010
99th
13
1.378 +/- 0.028
99th
12
1.430 +/- 0.100
98th
9
1.525 +/- 0.202
98th
13
1.540 +/- 0.110
98th
4
1.557 +/- 0.009
98th
21
1.598 +/- 0.012
98th
5
1.613 +/- 0.135
97th
7
1.660 +/- 0.120
97th
4
1.665 +/- 0.009
96th
24
1.694 +/- 0.054
95th
3
1.713 +/- 0.135
95th
7
1.714 +/- 0.051
95th
27
1.732 +/- 0.068
95th
38
1.732 +/- 0.097
94th
6
1.776 +/- 0.074
93rd
6
1.793 +/- 0.136
93rd
3
1.795 +/- 0.017
92nd
4
1.810 +/- 0.070
92nd
30
1.843 +/- 0.115
92nd
4
1.850 +/- 0.140
92nd
3
1.855 +/- 0.074
92nd
6
1.860 +/- 0.012
91st
6
1.892 +/- 0.102
91st
20
1.912 +/- 0.139
91st
3
1.927 +/- 0.122
90th
6
1.953 +/- 0.119
90th
5
1.958 +/- 0.026
90th
4
1.959 +/- 0.011
89th
4
2.013 +/- 0.163
88th
38
2.033 +/- 0.025
88th
3
2.040 +/- 0.210
87th
3
2.095 +/- 0.012
87th
5
2.169 +/- 0.047
86th
12
2.178 +/- 0.021
86th
6
2.180 +/- 0.150
86th
3
2.192 +/- 0.031
86th
3
2.200 +/- 0.190
86th
7
2.209 +/- 0.029
85th
22
2.250 +/- 0.014
85th
5
2.282 +/- 0.004
84th
8
2.301 +/- 0.182
84th
6
2.317 +/- 0.006
78th
8
2.362 +/- 0.139
Mid-Tier
75th
> 2.375
74th
3
2.389 +/- 0.001
74th
3
2.390 +/- 0.001
74th
5
2.390 +/- 0.140
73rd
4
2.400 +/- 0.148
72nd
5
2.407 +/- 0.149
70th
12
2.430 +/- 0.030
70th
17
2.445 +/- 0.173
68th
3
2.500 +/- 0.090
67th
4
2.520 +/- 0.240
67th
4
2.548 +/- 0.027
67th
4
2.600 +/- 0.180
66th
4
2.630 +/- 0.150
66th
3
2.740 +/- 0.010
65th
3
2.824 +/- 0.201
64th
4
2.905 +/- 0.109
64th
4
2.920 +/- 0.230
53rd
3
3.053 +/- 0.001
Median
50th
3.085
47th
3
3.167 +/- 0.009
47th
5
3.171 +/- 0.165
46th
5
3.191 +/- 0.177
Low-Tier
25th
> 3.952
1st
38
6.150 +/- 0.010
OpenBenchmarking.orgDistribution Of Public Results - Benchmark: ffsll3980 Results Range From 1 To 25 nanoseconds135791113151719212325400800120016002000

Based on OpenBenchmarking.org data, the selected test / test configuration (glibc bench 1.0 - Benchmark: ffsll) 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 BenchmarkBenchmark: ffsllRun-Time246810Min: 1 / Avg: 1.18 / Max: 3

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 RunsBenchmark: ffsllDeviation246810Min: 0 / Avg: 0.63 / 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 Baseglibc bench CPU Core ScalingBenchmark: ffsll468161832640.43130.86261.29391.72522.1565

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