JMM

  • Web描述(Java Memory Model)

Web Definition

1.
描述(Java Memory Model)
在JavaSE5（JSR133）中定义的Java Memory Model（JMM）是为了确保当编写并发代码的时候能够提供Java程序员一个可用 …
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1.
The other major area where the existing JMM caused some very confusing results was with memory operation reordering on volatile fields.
另一个主要领域是与volatile字段的内存操作重新排序有关，这个领域中现有JMM引起了一些非常混乱的结果。
lìng yī gè zhǔ yào lǐng yù shì yǔ volatile zì duàn de nèi cún cāo zuò chóng xīn pái xù yǒu guān , zhè ge lǐng yù zhōng xiàn yǒu JMM yǐn qǐ le yì xiē fēi cháng hùn luàn de jié guǒ 。
www.ibm.com
2.
But synchronization also has another aspect: It enforces certain memory visibility rules as specified by the JMM.
但是同步还有另一个方面：正如JMM所指定，它强制实施某些内存可见性规则。
dàn shì tóng bù hái yǒu lìng yī gè fāng miàn : zhèng rú JMM suǒ zhǐ dìng , tā qiáng zhì shí shī mǒu xiē nèi cún kě jiàn xìng guī zé 。
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3.
The JMM defines an ordering on the operations of a program called happens-before.
JMM在一个称为happens-before的程序的操作上定义一个排序。
JMM zài yī gè chēng wéi happens-before de chéng xù de cāo zuò shàng dìng yì yī gè pái xù 。
www.ibm.com
4.
Classes were written by concurrency experts and have been extensively peer-reviewed for JMM safety.
类是由并发专家编写的，并且在JMM安全性方面经过了严格的同行评审。
lèi shì yóu bìng fā zhuān jiā biān xiě de , bìng qiě zài JMM ān quán xìng fāng miàn jīng guò le yán gé de tóng háng píng shěn 。
www-128.ibm.com
5.
The shipment came from China JMM Import & Export Shanghai Pudong Corp. , which didn't appear on any sanctions list until Thursday.
那批货来自ChinaJMM进出口上海浦东公司（ChinaJMMImport&ExportShanghaiPudongCorp.）。直到上周四之前，这家公司看来都不在任何制裁名单中。
nà pī huò lái zì ChinaJMM jìn chū kǒu shàng hǎi pǔ dōng gōng sī ( ChinaJMMImport&ExportShanghaiPudongCorp . ) 。 zhí dào shàng zhōu sì zhī qián , zhè jiā gōng sī kàn lái dōu bù zài rèn hé zhì cái míng dān zhōng 。
c.wsj.com
6.
Until July 2009, Kohler purchased lawn-mower parts from a Shanghai firm that used China JMM as its export broker.
直到2009年7月，科勒从一家上海公司购买除草机部件。这家上海公司用ChinaJMM作为自己的出口代理商。
zhí dào èr líng líng jiǔ nián qī yuè , kē lè cóng yì jiā shàng hǎi gōng sī gòu mǎi chú cǎo jī bù jiàn 。 zhè jiā shàng hǎi gōng sī yòng ChinaJMM zuò wéi zì jǐ de chū kǒu dài lǐ shāng 。
c.wsj.com
7.
Lets face it, JMM is abetter boxer than Pac, but Pac has abetter punch than JMM.
马奎兹是个比帕奎奥更好的拳手，但帕奎奥的拳更有杀伤力。
mǎ kuí zī shì gè bǐ pà kuí ào gèng hǎo de quán shǒu , dàn pà kuí ào de quán gèng yǒu shā shāng lì 。
www.yycz.net
8.
It is because after 24 rounds, JMM were down 4times, and we know the score if a boxer is down once, twice or thrice in a single round.
24回合打斗，马奎兹共倒地四次，我们知道拳手在一回合中倒地一次二次三次他该得几分。
èr shí sì huí hé dǎ dòu , mǎ kuí zī gòng dǎo dì sì cì , wǒ men zhī dào quán shǒu zài yī huí hé zhōng dǎo dì yī cì èr cì sān cì tā gāi dé jǐ fēn 。
www.yycz.net
9.
One of the key concepts needed to understand the JMM is that of
理解JMM所需要的一个关键概念是
lǐ jiě JMM suǒ xū yào de yī gè guān jiàn gài niàn shì
www-128.ibm.com
10.
The locks are created when the map is created (there would be JMM problems if they were not. )
锁在创建map的时候被创建（如果不在此时创建锁，将会出现JMM问题。）
suǒ zài chuàng jiàn map de shí hou bèi chuàng jiàn ( rú guǒ bù zài cǐ shí chuàng jiàn suǒ , jiāng huì chū xiàn JMM wèn tí 。 )
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