Double-checked locking

en

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Double-checked locking

Quality:

Double-checked locking - design pattern only locking if the locking criterion check indicates that locking is required. Article “Double-checked locking” in English Wikipedia has 30.1 points for quality (as of July 1, 2025). The article contains 16 references and 9 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Double-checked locking” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Double-checked locking”, its content was written by 95 registered users of English Wikipedia and edited by 204 registered Wikipedia users in all languages.

The article is cited 109 times in English Wikipedia and cited 317 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #14326 in January 2004
  • Global: #24019 in January 2003

The highest popularity rank from 2008:

  • Local (English): #96699 in March 2015
  • Global: #146077 in March 2015

There are 9 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Double-checked locking
30.1201
2Hungarian (hu)
Duplán ellenőrzött zárolás minta
28.7372
3Chinese (zh)
双重检查锁定模式
20.3974
4German (de)
Doppelt überprüfte Sperrung
20.2343
5Polish (pl)
Blokada z podwójnym zatwierdzeniem
15.0768
6French (fr)
Double-checked locking
12.2406
7Russian (ru)
Блокировка с двойной проверкой
8.2001
8Italian (it)
Interblocco ricontrollato
6.7915
9Lithuanian (lt)
Tikrintas rakinimas
3.8531
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Double-checked locking" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Double-checked locking
1 148 502
2Russian (ru)
Блокировка с двойной проверкой
144 264
3Chinese (zh)
双重检查锁定模式
40 176
4German (de)
Doppelt überprüfte Sperrung
35 358
5French (fr)
Double-checked locking
24 810
6Polish (pl)
Blokada z podwójnym zatwierdzeniem
23 566
7Italian (it)
Interblocco ricontrollato
13 492
8Lithuanian (lt)
Tikrintas rakinimas
2 296
9Hungarian (hu)
Duplán ellenőrzött zárolás minta
1 127
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Double-checked locking" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Double-checked locking
3 083
2Russian (ru)
Блокировка с двойной проверкой
210
3Chinese (zh)
双重检查锁定模式
90
4German (de)
Doppelt überprüfte Sperrung
57
5French (fr)
Double-checked locking
31
6Lithuanian (lt)
Tikrintas rakinimas
17
7Polish (pl)
Blokada z podwójnym zatwierdzeniem
15
8Hungarian (hu)
Duplán ellenőrzött zárolás minta
13
9Italian (it)
Interblocco ricontrollato
12
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Double-checked locking" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Double-checked locking
95
2Italian (it)
Interblocco ricontrollato
26
3Russian (ru)
Блокировка с двойной проверкой
23
4German (de)
Doppelt überprüfte Sperrung
19
5French (fr)
Double-checked locking
13
6Polish (pl)
Blokada z podwójnym zatwierdzeniem
11
7Hungarian (hu)
Duplán ellenőrzött zárolás minta
7
8Chinese (zh)
双重检查锁定模式
6
9Lithuanian (lt)
Tikrintas rakinimas
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Double-checked locking" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Double-checked locking
1
2German (de)
Doppelt überprüfte Sperrung
0
3French (fr)
Double-checked locking
0
4Hungarian (hu)
Duplán ellenőrzött zárolás minta
0
5Italian (it)
Interblocco ricontrollato
0
6Lithuanian (lt)
Tikrintas rakinimas
0
7Polish (pl)
Blokada z podwójnym zatwierdzeniem
0
8Russian (ru)
Блокировка с двойной проверкой
0
9Chinese (zh)
双重检查锁定模式
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Double-checked locking" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Double-checked locking
109
2Chinese (zh)
双重检查锁定模式
60
3Russian (ru)
Блокировка с двойной проверкой
50
4French (fr)
Double-checked locking
48
5Italian (it)
Interblocco ricontrollato
40
6German (de)
Doppelt überprüfte Sperrung
5
7Polish (pl)
Blokada z podwójnym zatwierdzeniem
3
8Hungarian (hu)
Duplán ellenőrzött zárolás minta
2
9Lithuanian (lt)
Tikrintas rakinimas
0
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Doppelt überprüfte Sperrung
enEnglish
Double-checked locking
frFrench
Double-checked locking
huHungarian
Duplán ellenőrzött zárolás minta
itItalian
Interblocco ricontrollato
ltLithuanian
Tikrintas rakinimas
plPolish
Blokada z podwójnym zatwierdzeniem
ruRussian
Блокировка с двойной проверкой
zhChinese
双重检查锁定模式

Popularity rank trends

Best Rank English:
#96699
03.2015
Global:
#146077
03.2015

AI rank trends

Best Rank English:
#14326
01.2004
Global:
#24019
01.2003

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Double-checked locking from Wikipedia articles about Anti-pattern, Memory barrier, Singleton pattern, Software design pattern and Initialization-on-demand holder idiom. Whereas reading the article about Double-checked locking people most often go to Wikipedia articles on Initialization-on-demand holder idiom, Test and test-and-set, Volatile variable, Race condition and Java Memory Model.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information