5 Questions
What is the primary purpose of local caches in page-based DSM systems?
To minimize the latency of accesses to remote nodes
Which node is responsible for managing access to a page in a page-based DSM system?
The home node for the page
What is the purpose of explicit replication in page-based DSM systems?
To assist with load balancing and improve performance
How do nodes in a page-based DSM system contribute to the distributed memory?
By contributing part of their main memory pages
What is the responsibility of all nodes in a page-based DSM system?
To manage some portion of the distributed memory and its management
Study Notes
Distributed Shared Memory Systems
- Each node contributes a portion of its main memory pages to the Distributed Shared Memory (DSM) layer.
- Local caches are maintained to minimize latency of accesses to remote nodes, improving performance.
- All nodes are responsible for managing a portion of the distributed memory.
- Each node tracks page ownership and access rights, with a designated "home node" for each page managing accesses and ownership.
- Explicit replication can be used to assist with load balancing and improve performance.
- Replication can also address reliability concerns, providing redundant access to data in case of node failure.
Test your knowledge on the key architectural features of page-based Distributed Shared Memory (DSM) systems. Learn about node contributions, local caches, distributed memory management, and more.
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