词汇 | atomicity |
释义 | atomicity noun[ U ] uk /æt.əˈmɪs.ɪ.ti/ us /æt̬.əˈmɪs.ɪ.t̬i/ atomicitynoun[U] (ATOMS)chemistry specialized the number of atoms in one molecule of an element(一个分子中的)原子数 Chemistry - general words acceptor aerosol aerosolize allotrope amphiprotic balanced equation chemical equation electrolyte endothermic epitaxial epitaxially epitaxy exothermic inorganic chemistry ionic bond nonelectrolyte nonreactive preatomic reactive reactivity atomicitynoun[U] (COMPUTING)computing specialized in an electronic transaction (= an operation that changes data), the fact of occurring either completely or not at all: 原子性(一个原子事务要么完整执行,要么不执行) database updates that require atomicity要求原子性的数据库更新 Computer concepts 2FA 2SV 3-D printing adaptive learning additive manufacturing HCI hex hexadecimal hill climbing home automation infection simulation stack telematic telematics telerobotics teraflop tether texture word processing Examples of atomicityatomicity Continuous scattering and non-atomicity of a face-homogeneous random walk. Although implementations vary depending on factors such as concurrency issues, the principle of atomicity i.e. complete success or complete failure remain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, if a failure occurs, then due to atomicity, the amount will either be transferred completely or will not even start. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atomicity may be achieved by using a machine instruction that is able to read, modify and write the semaphore in a single operation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Both are done to ensure atomicity and durability of transactions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All "distributed transactional systems" rely on some atomic commitment protocol to coordinate atomicity (whether to commit or abort) among processes in a distributed transaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example of atomicity is ordering an airline ticket where two actions are required: payment, and a seat reservation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Transaction consistency is also frequently referred to as atomicity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In write ahead logging, atomicity is guaranteed by copying the original (unchanged) data to a log before changing the database. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Finally, atomicity itself relies on durability to ensure the atomicity of transactions even in the face of external failures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The atomicity of these elements is not specifically mentioned and it appears that they were actually taken to be continuous. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atomic commitment protocols are intended and designed to achieve atomicity without considering database concurrency control. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atomicity is commonly enforced by mutual exclusion, whether at the hardware level building on a cache coherency protocol, or the software level using semaphores or locks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In other words, atomicity means "indivisibility" and "irreducibility". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. We simply allow interleaving of atomic actions, whose atomicity plays a vital role in the system. See all examples of atomicity These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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