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- Instruction_prefetch abstract "In computer architecture, instruction prefetch is a technique used in central processor units to speed up the execution of a program by reducing wait states.Modern microprocessors are much faster than the memory where the program is kept, meaning that the program's instructions cannot be read fast enough to keep the microprocessor busy. Adding a cache can provide faster access to needed instructions.Prefetching occurs when a processor requests an instruction from main memory before it is actually needed. Once the instruction comes back from memory, it is placed in a cache. When an instruction is actually needed, the instruction can be accessed much more quickly from the cache than if it had to make a request from memory.Since programs are generally executed sequentially, performance is likely to be best when instructions are prefetched in program order. Alternatively, the prefetch may be part of a complex branch prediction algorithm, where the processor tries to anticipate the result of a calculation and fetch the right instructions in advance. In the case of dedicated hardware (like a Graphics Processing Unit) the prefetch can take advantage of the spatial coherence usually found in the texture mapping process. In this case, the prefetched data are not instructions, but texture elements (texels) that are candidates to be mapped on a polygon.The first mainstream microprocessors to use some form of instruction prefetch were the Intel 8086 (six bytes) and the Motorola 68000 (four bytes).".
- Instruction_prefetch wikiPageExternalLink download?doi=10.1.1.37.6152&rep=rep1&type=pdf.
- Instruction_prefetch wikiPageExternalLink citation.cfm?id=106979.
- Instruction_prefetch wikiPageExternalLink v6paper7.pdf.
- Instruction_prefetch wikiPageID "330255".
- Instruction_prefetch wikiPageLength "3605".
- Instruction_prefetch wikiPageOutDegree "20".
- Instruction_prefetch wikiPageRevisionID "701973992".
- Instruction_prefetch wikiPageWikiLink Algorithm.
- Instruction_prefetch wikiPageWikiLink Association_for_Computing_Machinery.
- Instruction_prefetch wikiPageWikiLink Branch_predictor.
- Instruction_prefetch wikiPageWikiLink CPU_cache.
- Instruction_prefetch wikiPageWikiLink Category:Instruction_processing.
- Instruction_prefetch wikiPageWikiLink Central_processing_unit.
- Instruction_prefetch wikiPageWikiLink Coherence_(physics).
- Instruction_prefetch wikiPageWikiLink Computer_architecture.
- Instruction_prefetch wikiPageWikiLink Computer_data_storage.
- Instruction_prefetch wikiPageWikiLink Graphics_processing_unit.
- Instruction_prefetch wikiPageWikiLink Intel.
- Instruction_prefetch wikiPageWikiLink Intel_8086.
- Instruction_prefetch wikiPageWikiLink Motorola.
- Instruction_prefetch wikiPageWikiLink Motorola_68000.
- Instruction_prefetch wikiPageWikiLink Polygon.
- Instruction_prefetch wikiPageWikiLink Random-access_memory.
- Instruction_prefetch wikiPageWikiLink Texel_(graphics).
- Instruction_prefetch wikiPageWikiLink Texture_mapping.
- Instruction_prefetch wikiPageWikiLink Wait_state.
- Instruction_prefetch wikiPageWikiLinkText "Instruction prefetch".
- Instruction_prefetch wikiPageWikiLinkText "instruction prefetch".
- Instruction_prefetch wikiPageWikiLinkText "memory".
- Instruction_prefetch wikiPageWikiLinkText "pre-fetching of the next instruction".
- Instruction_prefetch wikiPageWikiLinkText "prefetch instructions".
- Instruction_prefetch wikiPageWikiLinkText "prefetch unit".
- Instruction_prefetch wikiPageWikiLinkText "prefetch".
- Instruction_prefetch wikiPageWikiLinkText "prefetchers".
- Instruction_prefetch wikiPageWikiLinkText "prefetches".
- Instruction_prefetch wikiPageWikiLinkText "prefetching".
- Instruction_prefetch wikiPageUsesTemplate Template:Cite_book.
- Instruction_prefetch wikiPageUsesTemplate Template:Cite_conference.
- Instruction_prefetch wikiPageUsesTemplate Template:Cite_journal.
- Instruction_prefetch wikiPageUsesTemplate Template:Comp-sci-stub.
- Instruction_prefetch wikiPageUsesTemplate Template:Merge_to.
- Instruction_prefetch wikiPageUsesTemplate Template:Nofootnotes.
- Instruction_prefetch subject Category:Instruction_processing.
- Instruction_prefetch hypernym Technique.
- Instruction_prefetch type TopicalConcept.
- Instruction_prefetch comment "In computer architecture, instruction prefetch is a technique used in central processor units to speed up the execution of a program by reducing wait states.Modern microprocessors are much faster than the memory where the program is kept, meaning that the program's instructions cannot be read fast enough to keep the microprocessor busy.".
- Instruction_prefetch label "Instruction prefetch".
- Instruction_prefetch sameAs Q13566977.
- Instruction_prefetch sameAs 선반입.
- Instruction_prefetch sameAs m.01wtq3.
- Instruction_prefetch sameAs Предвыборка_кода.
- Instruction_prefetch sameAs Q13566977.
- Instruction_prefetch wasDerivedFrom Instruction_prefetch?oldid=701973992.
- Instruction_prefetch isPrimaryTopicOf Instruction_prefetch.