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Document number: N4373

Date: 2015-01-26

Atomic View (Revision to N4142, Atomic Operations on a Very Large Array)

by Carter Edwards and Hans Boehm

Excerpt:

This paper proposes an extension to the atomic operations library [atomics] for atomic operations applied to non-atomic objects. The proposal is in three parts: (1) the concept of an atomic view, (2) application of this concept for atomic operations applied to members of a very large array in a high performance computing (HPC) code, and (3) application of this concept for atomic operations applied to an object in a large legacy code which cannot replace this object with a corresponding atomic object.