Title:
A Characterization of Scalable Shared Memories
A Characterization of Scalable Shared Memories
Author(s)
Kohli, Prince
Neiger, Gil
Ahamad, Mustaque
Neiger, Gil
Ahamad, Mustaque
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Abstract
The traditional consistency requirements of shared memory are expensive
to provide both in large scale multiprocessor systems and also in
distributed systems that implement a shared memory abstraction in
software. As a result, several memory systems have been proposed that
enhance performance and scalability of shared memories by providing
weaker consistency guarantees. Often, different models are used to
describe such memories which makes it difficult to relate and compare
them. We develop a simple non-operational model and identify parameters
that can be varied to describe not only the existing memories but also
to identify new ones. We show how such a uniform framework makes it
easy to compare and relate the various memories. We also use the model
to show that a well known software solution to the critical section
problem can be used to distinguish the RC[subscript sc] and RC[subscript pc] memories explored
in the DASH architecture.
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Date Issued
1993
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216285 bytes
Resource Type
Text
Resource Subtype
Technical Report