The instruction cycle (also known as the fetch–decode–execute cycle, or simply the fetch–execute cycle) is the cycle that the central processing unit (CPU)...
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instructions per cycle (IPC), commonly called instructions per clock, is one aspect of a processor's performance: the average number of instructions executed...
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In computer architecture, cycles per instruction (aka clock cycles per instruction, clocks per instruction, or CPI) is one aspect of a processor's performance:...
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one stage for each step of the von Neumann cycle: Fetch the instruction, fetch the operands, do the instruction, write the results. A pipelined computer...
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elements involved in executing the instruction. In the instruction cycle, the instruction is loaded into the instruction register after the processor fetches...
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Execution (computing) (section Instruction cycle)
"fetch–decode–execute" cycle for each instruction done by the control unit. As the executing machine follows the instructions, specific effects are produced...
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instruction cycle is very rigid, and runs exactly as specified by the programmer. In the instruction fetch part of the cycle, the value of the instruction pointer...
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Program counter (redirect from Instruction pointer)
sections. Branch prediction Instruction cache Instruction cycle Instruction unit Instruction pipeline Instruction register Instruction scheduling Program status...
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system which provided instruction stepping Instrumentation (computer programming) Instruction set simulator Program status word Instruction cycle v t e...
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Central processing unit (redirect from Instruction decoder)
collectively known as the instruction cycle. After the execution of an instruction, the entire process repeats, with the next instruction cycle normally fetching...
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flower parts may be arranged Menstrual cycle Cycles, a render engine for the software Blender Instruction cycle, the time period during which a computer...
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In computer science, an instruction set architecture (ISA) is an abstract model that generally defines how software controls the CPU in a computer or...
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{\text{clock}}\times {\frac {\text{Is}}{\text{cycle}}}} However, the instructions/cycle measurement depends on the instruction sequence, the data and external factors...
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COP8 (section Instruction set)
byte, and most 1-byte instructions operate in one instruction cycle. Some, particularly branch instructions, take one or two cycles more. Some models include...
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Microarchitecture (category Instruction processing)
the control logic, the combination of cycle counter, cycle state (high or low) and the bits of the instruction decode register determine exactly what...
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Signetics 8X300 (section Instruction set)
execute an instruction in only 250 ns. Data could be input from one device, modified, and output to another device during one instruction cycle. In 1982...
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ARM architecture family (redirect from Arm instruction set)
register-register move) instructions, so that, for example, the statement in C language: a += (j << 2); could be rendered as a one-word, one-cycle instruction: ADD Ra...
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one branch. Each of them can issue one instruction per basic instruction cycle, but can have several instructions in process. These are what correspond...
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instruction per clock cycle, a superscalar processor can execute or start executing more than one instruction during a clock cycle by simultaneously dispatching...
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some high-performance CISC "supercomputers" in order to reduce the instruction cycle time (despite the complications of implementing within the limited...
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topic of: Multi Cycle Processors A multi-cycle processor is a processor that carries out one instruction over multiple clock cycles, often without starting...
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Out-of-order execution (redirect from Instruction dispatch)
execution) is an instruction scheduling paradigm used in high-performance central processing units to make use of instruction cycles that would otherwise...
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Very long instruction word (VLIW) refers to instruction set architectures that are designed to exploit instruction-level parallelism (ILP). A VLIW processor...
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computer's instruction stream", thus seeking to deliver an average throughput approaching one instruction per cycle for any single instruction stream. Other...
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fetch and decode instructions, as well as load data operands from memory (as part of the instruction cycle), to execute the instructions constituting the...
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PIC microcontrollers (section Instruction set)
instruction cycles. External interrupts have to be synchronized with the four-clock instruction cycle, otherwise there can be a one instruction cycle...
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Delay slot (category Instruction processing)
intermediate states of the instruction as it flows through the units. While this does not improve the cycle timing of any single instruction, the idea is to allow...
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serviced. The processor samples the interrupt input signal during each instruction cycle. The processor will recognize the interrupt request if the signal...
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COP400 (section Instruction set)
technology. It was typically packaged in 24- or 28-pin DIP packages. Instruction cycle time of the faster family members is 4 microseconds. The COP400 family...
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Wider instruction fetch, up to 6 instructions/cycle (From 4 instructions/cycle) Execution engine Wider instruction fetch, Up to 6 instructions/cycle (From...
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