非统一内存访问的行为类型

IF 0.1 4区 历史学 0 ARCHAEOLOGY Journal of Historic Buildings and Places Pub Date : 2016-02-11 DOI:10.4204/EPTCS.203.9
Juliana Franco, S. Drossopoulou
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引用次数: 5

摘要

在NUMA架构上执行的并发程序由并发实体(例如线程、actor)和放置在不同节点上的数据组成。这些并发实体的执行通常从远程节点读取或更新状态。这类系统的性能取决于并发实体可以并行执行的程度,以及远程读写的数量。我们考虑了一种基于参与者的面向对象语言,并提出了一种类型系统来表达程序的拓扑结构(参与者和数据在节点上的位置),以及一种效果系统来表征远程读写(根据哪个节点从哪个节点读取/写入)。我们对拓扑使用了所有权类型的变体,对效果系统使用了行为和所有权类型的组合。
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Behavioural types for non-uniform memory accesses
Concurrent programs executing on NUMA architectures consist of concurrent entities (e.g. threads, actors) and data placed on different nodes. Execution of these concurrent entities often reads or updates states from remote nodes. The performance of such systems depends on the extent to which the concurrent entities can be executing in parallel, and on the amount of the remote reads and writes. We consider an actor-based object oriented language, and propose a type system which expresses the topology of the program (the placement of the actors and data on the nodes), and an effect system which characterises remote reads and writes (in terms of which node reads/writes from which other nodes). We use a variant of ownership types for the topology, and a combination of behavioural and ownership types for the effect system.
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