因为原子操作指令通过锁总线等手段,确保多线程对同一共享对象的读-修改-写是原子的。所谓“原子(atomic)”就是指,一组操作在执行时作为一个整体进行,而不会被打断。这里举一个简单的例子来说明对某一共享对象的修改采用原子操作与不采用原子操作的差别。 上图中,假定线程A与线程B在不同的核心上并行执行。第一段...
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Define atomic physics. atomic physics synonyms, atomic physics pronunciation, atomic physics translation, English dictionary definition of atomic physics. Noun 1. atomic physics - the branch of physics that studies the internal structure of atomic nuclei
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RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook packing fraction (redirected fromAtomic packing factor) Acronyms Encyclopedia Wikipedia packing fraction n. The difference between the isotopic mass and the mass number of a nuclide, divided by its mass number, often...
Entergy Nuclear Vermont Yankee, LLC, and Entergy Operations, Inc.; Establishment of Atomic Safety and Licensing BoardPursuant to delegation by the Commission dated December 29, 1972, published in theFederal Register, 37 Fed. Reg. 28,710 (1972), and the Co...
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- t.Errorf("offset of %q within struct is %d bytes, which does not align to 64-bit word boundaries (missing %d bytes). Atomic operations will crash on 32-bit systems.", name, offset, 8-(offset%8)) - } -} - -// TestPeerAlignment checks that atomically-accessed fields are ...
While the code is focused, press Alt+F1 for a menu of operations.
offloading schemes under which the processor core executing the atomic-copy-xor instruction offloads operations to other components in the processor or system in which the processor is implemented, including offloading operations to a last level cache (LLC) engine, a memory controller, or a DIMM ...