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- Cache-only_memory_architecture abstract "Cache only memory architecture (COMA) is a computer memory organization for use in multiprocessors in which the local memories (typically DRAM) at each node are used as cache. This is in contrast to using the local memories as actual main memory, as in NUMA organizations.In NUMA, each address in the global address space is typically assigned a fixed home node. When processors access some data, a copy is made in their local cache, but space remains allocated in the home node. Instead, with COMA, there is no home. An access from a remote node may cause that data to migrate. Compared to NUMA, this reduces the number of redundant copies and may allow more efficient use of the memory resources. On the other hand, it raises problems of how to find a particular data (there is no longer a home node) and what to do if a local memory fills up (migrating some data into the local memory then needs to evict some other data, which doesn't have a home to go to). Hardware memory coherence mechanisms are typically used to implement the migration.A huge body of research has explored these issues. Various forms of directories, policies for maintaining free space in the local memories, migration policies, and policies for read-only copies have been developed. Hybrid NUMA-COMA organizations have also been proposed, such as Reactive NUMA, which allows pages to start in NUMA mode and switch to COMA mode if appropriate and is implemented in the Sun Microsystems's WildFire. A software-based Hybrid NUMA-COMA implementation was proposed and implemented by ScaleMP, allowing for the creation of a shared-memory multiprocessor system out of a cluster of commodity nodes.".
- Cache-only_memory_architecture wikiPageExternalLink ddm.pdf.
- Cache-only_memory_architecture wikiPageID "910307".
- Cache-only_memory_architecture wikiPageLength "3441".
- Cache-only_memory_architecture wikiPageOutDegree "20".
- Cache-only_memory_architecture wikiPageRevisionID "611350440".
- Cache-only_memory_architecture wikiPageWikiLink Anders_Landin.
- Cache-only_memory_architecture wikiPageWikiLink Babak_Falsafi.
- Cache-only_memory_architecture wikiPageWikiLink Category:Computer_memory.
- Cache-only_memory_architecture wikiPageWikiLink Category:Parallel_computing.
- Cache-only_memory_architecture wikiPageWikiLink Computer_(magazine).
- Cache-only_memory_architecture wikiPageWikiLink Computer_memory.
- Cache-only_memory_architecture wikiPageWikiLink DRAM.
- Cache-only_memory_architecture wikiPageWikiLink David_A._Wood_(computer_scientist).
- Cache-only_memory_architecture wikiPageWikiLink Dynamic_random-access_memory.
- Cache-only_memory_architecture wikiPageWikiLink Erik_Hagersten.
- Cache-only_memory_architecture wikiPageWikiLink Fredrik_Dahlgren.
- Cache-only_memory_architecture wikiPageWikiLink IEEE_Computer.
- Cache-only_memory_architecture wikiPageWikiLink International_Symposium_on_Computer_Architecture.
- Cache-only_memory_architecture wikiPageWikiLink Josep_Torrellas.
- Cache-only_memory_architecture wikiPageWikiLink Memory_coherence.
- Cache-only_memory_architecture wikiPageWikiLink Multiprocessing.
- Cache-only_memory_architecture wikiPageWikiLink Multiprocessor.
- Cache-only_memory_architecture wikiPageWikiLink Non-Uniform_Memory_Access.
- Cache-only_memory_architecture wikiPageWikiLink Non-uniform_memory_access.
- Cache-only_memory_architecture wikiPageWikiLink ScaleMP.
- Cache-only_memory_architecture wikiPageWikiLink Seif_Haridi.
- Cache-only_memory_architecture wikiPageWikiLink Uniform_memory_access.
- Cache-only_memory_architecture wikiPageWikiLinkText "COMA".
- Cache-only_memory_architecture wikiPageWikiLinkText "Cache-only memory architecture".
- Cache-only_memory_architecture wikiPageWikiLinkText "cache-only memory architecture".
- Cache-only_memory_architecture hasPhotoCollection Cache-only_memory_architecture.
- Cache-only_memory_architecture wikiPageUsesTemplate Template:Cite_conference.
- Cache-only_memory_architecture wikiPageUsesTemplate Template:Cite_journal.
- Cache-only_memory_architecture wikiPageUsesTemplate Template:Compu-hardware-stub.
- Cache-only_memory_architecture wikiPageUsesTemplate Template:Parallel_computing.
- Cache-only_memory_architecture wikiPageUsesTemplate Template:Reflist.
- Cache-only_memory_architecture subject Category:Computer_memory.
- Cache-only_memory_architecture subject Category:Parallel_computing.
- Cache-only_memory_architecture hypernym Organization.
- Cache-only_memory_architecture type Organisation.
- Cache-only_memory_architecture type Array.
- Cache-only_memory_architecture type Datum.
- Cache-only_memory_architecture comment "Cache only memory architecture (COMA) is a computer memory organization for use in multiprocessors in which the local memories (typically DRAM) at each node are used as cache. This is in contrast to using the local memories as actual main memory, as in NUMA organizations.In NUMA, each address in the global address space is typically assigned a fixed home node. When processors access some data, a copy is made in their local cache, but space remains allocated in the home node.".
- Cache-only_memory_architecture label "Cache-only memory architecture".
- Cache-only_memory_architecture sameAs معماری_حافظه_فقط_پنهان.
- Cache-only_memory_architecture sameAs m.03p1x4.
- Cache-only_memory_architecture sameAs Q5015937.
- Cache-only_memory_architecture sameAs Q5015937.
- Cache-only_memory_architecture wasDerivedFrom Cache-only_memory_architecture?oldid=611350440.
- Cache-only_memory_architecture isPrimaryTopicOf Cache-only_memory_architecture.