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- Processor_register abstract "In computer architecture, a processor register is a small amount of storage available as part of a CPU or other digital processor. Such registers are (typically) addressed by mechanisms other than main memory and can be accessed more quickly. Almost all computers, load-store architecture or not, load data from a larger memory into registers where it is used for arithmetic, manipulated, or tested, by some machine instruction. Manipulated data is then often stored back in main memory, either by the same instruction or a subsequent one. Modern processors use either static or dynamic RAM as main memory, the latter often being implicitly accessed via one or more cache levels. A common property of computer programs is locality of reference: the same values are often accessed repeatedly and frequently used values held in registers improves performance. This is what makes fast registers (and caches) meaningful.Processor registers are normally at the top of the memory hierarchy, and provide the fastest way to access data. The term normally refers only to the group of registers that are directly encoded as part of an instruction, as defined by the instruction set. However, modern high performance CPUs often have duplicates of these "architectural registers" in order to improve performance via register renaming, allowing parallel and speculative execution. Modern x86 is perhaps the most well known example of this technique.Allocating frequently used variables to registers can be critical to a program's performance. This register allocation is either performed by a compiler, in the code generation phase, or manually, by an assembly language programmer.".
- Processor_register wikiPageID "486432".
- Processor_register wikiPageRevisionID "600938834".
- Processor_register cleanup "January 2012".
- Processor_register hasPhotoCollection Processor_register.
- Processor_register refimprove "March 2008".
- Processor_register subject Category:Central_processing_unit.
- Processor_register subject Category:Digital_registers.
- Processor_register type Abstraction100002137.
- Processor_register type Communication100033020.
- Processor_register type DigitalRegisters.
- Processor_register type Evidence106643408.
- Processor_register type Indication106797169.
- Processor_register type Record106647206.
- Processor_register type Register106507041.
- Processor_register type WrittenRecord106502378.
- Processor_register comment "In computer architecture, a processor register is a small amount of storage available as part of a CPU or other digital processor. Such registers are (typically) addressed by mechanisms other than main memory and can be accessed more quickly. Almost all computers, load-store architecture or not, load data from a larger memory into registers where it is used for arithmetic, manipulated, or tested, by some machine instruction.".
- Processor_register label "Processor register".
- Processor_register label "Register (Computer)".
- Processor_register label "Registergeheugen".
- Processor_register label "Registrador (informática)".
- Processor_register label "Registre de processeur".
- Processor_register label "Registro (hardware)".
- Processor_register label "Registro (informatica)".
- Processor_register label "Rejestr procesora".
- Processor_register label "Регистр процессора".
- Processor_register label "سجل المعالج".
- Processor_register label "レジスタ (コンピュータ)".
- Processor_register label "寄存器".
- Processor_register sameAs Registr_procesoru.
- Processor_register sameAs Register_(Computer).
- Processor_register sameAs Καταχωρητής.
- Processor_register sameAs Registro_(hardware).
- Processor_register sameAs Erregistro_(hardware).
- Processor_register sameAs Registre_de_processeur.
- Processor_register sameAs Register_prosesor.
- Processor_register sameAs Registro_(informatica).
- Processor_register sameAs レジスタ_(コンピュータ).
- Processor_register sameAs 프로세서_레지스터.
- Processor_register sameAs Registergeheugen.
- Processor_register sameAs Rejestr_procesora.
- Processor_register sameAs Registrador_(informática).
- Processor_register sameAs m.02g8zx.
- Processor_register sameAs Q187466.
- Processor_register sameAs Q187466.
- Processor_register sameAs Processor_register.
- Processor_register wasDerivedFrom Processor_register?oldid=600938834.
- Processor_register isPrimaryTopicOf Processor_register.