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- Decoupled_architecture abstract "In computer architecture, a decoupled architecture is a processor with out-of-order execution that separates the fetch and decode stages from the execute stage in a pipelined processor by using a buffer. The buffer's purpose is to partition the memory access and execute functions in a computer program and achieve high-performance by exploiting the fine-grain parallelism between the two. In doing so it effectively hides all memory latency from the processor's perspective.A larger buffer can, in theory, increase throughput. However, if the processor has a branch misprediction then the entire buffer may need to be flushed, wasting a lot of clock cycles and reducing the effectiveness. Furthermore, larger buffers create more heat and use more die space. For this reason processor designers today favour a multi-threaded design approach.Decoupled architectures are generally thought of as not useful for general purpose computing as they do not handle control intensive code well. Control intensive code include such things as nested branches which occur frequently in operating system kernels. Decoupled architectures play an important role in scheduling in Very long instruction word (VLIW) architectures.".
- Decoupled_architecture wikiPageID "2078592".
- Decoupled_architecture wikiPageRevisionID "564566677".
- Decoupled_architecture hasPhotoCollection Decoupled_architecture.
- Decoupled_architecture subject Category:Instruction_processing.
- Decoupled_architecture comment "In computer architecture, a decoupled architecture is a processor with out-of-order execution that separates the fetch and decode stages from the execute stage in a pipelined processor by using a buffer. The buffer's purpose is to partition the memory access and execute functions in a computer program and achieve high-performance by exploiting the fine-grain parallelism between the two.".
- Decoupled_architecture label "Architettura disaccoppiata".
- Decoupled_architecture label "Decoupled architecture".
- Decoupled_architecture sameAs Architettura_disaccoppiata.
- Decoupled_architecture sameAs m.06knky.
- Decoupled_architecture sameAs Q3621590.
- Decoupled_architecture sameAs Q3621590.
- Decoupled_architecture wasDerivedFrom Decoupled_architecture?oldid=564566677.
- Decoupled_architecture isPrimaryTopicOf Decoupled_architecture.