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- Runahead abstract "Runahead is a technique that allows a microprocessor to pre-process instructions during cache miss cycles instead of stalling. The pre-processed instructions are used to generate instruction and data stream prefetches by detecting cache misses before they would otherwise occur by using the idle execution resources to calculate instruction and data stream fetch addresses using the available information that is independent of the cache miss.The principal hardware cost is a means of checkpointing the register file state and preventing pre-processed stores from modifying memory. This checkpointing can be accomplished using very little hardware since all results computed during runahead are discarded after the cache miss has been serviced, at which time normal execution resumes using the checkpointed register file state.Branch outcomes computed during runahead mode can be saved into a shift register, which can be used as a highly accurate branch predictor when normal operation resumes.Runahead was initially investigated in the context of an in-order microprocessor, however this technique has been extended for use with out of order microprocessors.".
- Runahead wikiPageExternalLink 465945.html.
- Runahead wikiPageExternalLink freeabs_all.jsp?isnumber=26557&arnumber=1183532.
- Runahead wikiPageExternalLink citation.cfm?id=263597&coll=portal&dl=ACM.
- Runahead wikiPageID "18019528".
- Runahead wikiPageLength "5644".
- Runahead wikiPageOutDegree "20".
- Runahead wikiPageRevisionID "500587634".
- Runahead wikiPageWikiLink Application_checkpointing.
- Runahead wikiPageWikiLink Branch_predictor.
- Runahead wikiPageWikiLink CPU_cache.
- Runahead wikiPageWikiLink Category:Instruction_processing.
- Runahead wikiPageWikiLink Computer_data_storage.
- Runahead wikiPageWikiLink Data_stream.
- Runahead wikiPageWikiLink FlashCopy.
- Runahead wikiPageWikiLink Hardware_register.
- Runahead wikiPageWikiLink Hardware_scout.
- Runahead wikiPageWikiLink Instruction_(computer_science).
- Runahead wikiPageWikiLink Instruction_prefetch.
- Runahead wikiPageWikiLink Instruction_set.
- Runahead wikiPageWikiLink Memory_address.
- Runahead wikiPageWikiLink Memory_hierarchy.
- Runahead wikiPageWikiLink Microprocessor.
- Runahead wikiPageWikiLink Out-of-order_execution.
- Runahead wikiPageWikiLink Register_file.
- Runahead wikiPageWikiLink Rock_(processor).
- Runahead wikiPageWikiLink Rock_processor.
- Runahead wikiPageWikiLink Shift_register.
- Runahead wikiPageWikiLinkText "Runahead".
- Runahead wikiPageWikiLinkText "runahead".
- Runahead hasPhotoCollection Runahead.
- Runahead wikiPageUsesTemplate Template:Expert-verify.
- Runahead wikiPageUsesTemplate Template:No_footnotes.
- Runahead subject Category:Instruction_processing.
- Runahead hypernym Technique.
- Runahead type Article.
- Runahead type Software.
- Runahead type Article.
- Runahead comment "Runahead is a technique that allows a microprocessor to pre-process instructions during cache miss cycles instead of stalling.".
- Runahead label "Runahead".
- Runahead sameAs m.04gth36.
- Runahead sameAs Q7379612.
- Runahead sameAs Q7379612.
- Runahead wasDerivedFrom Runahead?oldid=500587634.
- Runahead isPrimaryTopicOf Runahead.