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Cycle stealing

In computing, traditionally cycle stealing is a method of memory (RAM) or bus access without interfering with the CPU. It is similar to direct memory access (DMA) for allowing I/O controllers to read or write RAM without CPU intervention. Clever exploitation of specific CPU or bus timings can permit the CPU to run at full speed without any delay if…

Examples in actual computer systems, Common implementations & Overview

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Examples in actual computer systems

Apollo 11Guidance ComputerIBM 1130Sinclair QLRAM
8 related topics

Common implementations

Motorola 6800MOS 6502Main memoryFramebufferBBC Micro
7 related topics

Overview

ComputingMemoryBusDirect memory accessI/O controllers
14 related topics

Modern architecture

Pipelining
1 related topics

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Overview

Common implementations

Modern architecture

Examples in actual computer systems

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Map overview Semantic statistics

Cycle stealing

Nodes35
Edges34
Triples45
Avg. degree1.94
Density0.057143
Components1

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Cycle stealing

Top relations

related to Common implementations · 19
Cycle stealing → Another, Common RAM, CPU, CPUs, I/O, In, M1, MHz, MHz RAM, MOS, Motorola, One, RAM, ROM, Some, The BBC Micro, This, Using RAM, Zilog Z80
related to Examples in actual computer systems · 10
Cycle stealing → Apollo, CPU, DMA, Guidance Computer, Most, RAM, Several I/O, The IBM, They, Unexpected
related to Modern architecture · 7
Cycle stealing → CPU, Cycle, DMA, I/O, MHz, RAM, This
is a · 1
Cycle stealing → method of memory

Important terminology Word statistics

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Important terminology

cpu access memory ram cycle systems stealing modern run without common bus device dma controllers different system used cycles architecture

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Cycle stealingis amethod of memory0.90text
pipelininginstance ofModern architectureCycle stealing is difficult to achieve in modern systems due to many factors0.80text
where pre-fetchinstance ofModern architectureCycle stealing is difficult to achieve in modern systems due to many factors0.80text
concurrent elements are constantly accessing memoryinstance ofModern architectureCycle stealing is difficult to achieve in modern systems due to many factors0.80text
leaving few predictable idle times to sneak in memory accessinstance ofModern architectureCycle stealing is difficult to achieve in modern systems due to many factors0.80text
the Sinclair QLinstance ofseveral I/O operations may be overlapped with each other and with other CPU functions.Cycle stealing has been the cause of major performance degradation on machine0.80text
whereinstance ofseveral I/O operations may be overlapped with each other and with other CPU functions.Cycle stealing has been the cause of major performance degradation on machine0.80text
for economy reasonsinstance ofseveral I/O operations may be overlapped with each other and with other CPU functions.Cycle stealing has been the cause of major performance degradation on machine0.80text
the video RAM was not dual accessinstance ofseveral I/O operations may be overlapped with each other and with other CPU functions.Cycle stealing has been the cause of major performance degradation on machine0.80text
Cycle stealingrelated to Common implementationsSome0.60section
Cycle stealingrelated to Common implementationsThis0.60section
Cycle stealingrelated to Common implementationsMotorola0.60section

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