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• Write_buffer abstract "A write buffer is a type of data buffer used in certain CPU cache architectures.In a CPU cache, a write buffer can be used to hold data being written from the cache to main memory or to the next cache in the memory hierarchy. This is a variation of write-through caching called buffered write-through.Use of a write buffer in this manner frees the cache to service read requests while the write is taking place. It is especially useful for very slow main memory in that subsequent reads are able to proceed without waiting for long main memory latency. When the write buffer is full (i.e. all buffer entries are occupied), subsequent writes still have to wait until slots are freed. Subsequent reads could be served from the write buffer. To further mitigate this stall, one optimization called write buffer merge may be implemented. Write buffer merge combines writes that have consecutive destination addresses into one buffer entry. Otherwise, they would occupy separate entries which increases the chance of pipeline stall.A victim buffer is a type of write buffer that stores dirty evicted lines in write-back caches so that they get written back to main memory. Besides reducing pipeline stall by not waiting for dirty lines to write back as a simple write buffer does, a victim buffer may also serves as a temporary backup storage when subsequent cache accesses exhibit locality, requesting those recently evicted lines, which are still in the victim buffer.".
• Write_buffer wikiPageID "4576285".
• Write_buffer wikiPageLength "1866".
• Write_buffer wikiPageOutDegree "10".
• Write_buffer wikiPageRevisionID "685778573".
• Write_buffer wikiPageWikiLink CPU_cache.
• Write_buffer wikiPageWikiLink Cache_(computing).
• Write_buffer wikiPageWikiLink Category:Computer_memory.
• Write_buffer wikiPageWikiLink Computer_data_storage.
• Write_buffer wikiPageWikiLink Data.
• Write_buffer wikiPageWikiLink Data_buffer.
• Write_buffer wikiPageWikiLink Locality_of_reference.
• Write_buffer wikiPageWikiLink Memory_hierarchy.
• Write_buffer wikiPageWikiLink Write_combining.
• Write_buffer wikiPageWikiLinkText "Write buffer".
• Write_buffer wikiPageWikiLinkText "write buffer".
• Write_buffer wikiPageUsesTemplate Template:Computer-stub.
• Write_buffer wikiPageUsesTemplate Template:Reflist.
• Write_buffer wikiPageUsesTemplate Template:Unreferenced.
• Write_buffer subject Category:Computer_memory.
• Write_buffer hypernym Buffer.
• Write_buffer type ChemicalCompound.
• Write_buffer type Array.
• Write_buffer type Datum.
• Write_buffer comment "A write buffer is a type of data buffer used in certain CPU cache architectures.In a CPU cache, a write buffer can be used to hold data being written from the cache to main memory or to the next cache in the memory hierarchy. This is a variation of write-through caching called buffered write-through.Use of a write buffer in this manner frees the cache to service read requests while the write is taking place.".
• Write_buffer label "Write buffer".
• Write_buffer sameAs Q8038418.
• Write_buffer sameAs m.0c9p6t.
• Write_buffer sameAs Q8038418.
• Write_buffer wasDerivedFrom Write_buffer?oldid=685778573.
• Write_buffer isPrimaryTopicOf Write_buffer.