Distributed Shared-Memory Threads: DSM-Threads

Abstract

This paper is, to our knowledge, the first description of a system to support distributed threads on top of POSIX Threads (Pthreads) via distributed virtual shared memory (DSM). The aim of DSMThreads is to provide an easy way for a programmer to migrate from a concurrent programming model with shared memory (Pthreads) to a distributed model with minimal changes of the application code. Thus, a programmer may continue to use the shared-memory algorithms and exploit to processing power of a distributed system without dealing with the more complex (and harder to understand) models of distributed algorithms. This paper discusses design goals, design decisions, and implementation choices of DSM-Threads. As the DSM runtime system is itself implemented as a multi-threaded system over Pthreads on each node and copes without compiler or operating system modifications, several problems arise and their solutions are discussed. Several data consistency models are supported to facilitate ports fro...

Cite this paper

@article{mueller1997distributed,
  title = {{Distributed Shared-Memory Threads: DSM-Threads}},
  author = {Mueller, Frank},
  year = {1997}
}

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