About: Hazard (computer architecture)

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In the domain of central processing unit (CPU) design, hazards are problems with the instruction pipeline in CPU microarchitectures when the next instruction cannot execute in the following clock cycle, and can potentially lead to incorrect computation results. Three common types of hazards are data hazards, structural hazards, and control hazards (branching hazards). There are several methods used to deal with hazards, including pipeline stalls/pipeline bubbling, , and in the case of out-of-order execution, the scoreboarding method and the Tomasulo algorithm.

Attributes	Values
rdf:type	disease
rdfs:label	Hazard (computer architecture) (en)
rdfs:comment	In the domain of central processing unit (CPU) design, hazards are problems with the instruction pipeline in CPU microarchitectures when the next instruction cannot execute in the following clock cycle, and can potentially lead to incorrect computation results. Three common types of hazards are data hazards, structural hazards, and control hazards (branching hazards). There are several methods used to deal with hazards, including pipeline stalls/pipeline bubbling, , and in the case of out-of-order execution, the scoreboarding method and the Tomasulo algorithm. (en)
sameAs	Hazard (computer architecture)
dbp:wikiPageUsesTemplate	dbt:Anchor dbt:CPU_technologies dbt:Cite_book dbt:Cite_web dbt:Div_col dbt:Div_col_end dbt:Further dbt:Main dbt:Mono dbt:More_citations_needed dbt:Refbegin dbt:Refend dbt:Reflist dbt:Section_link dbt:Sfn dbt:Short_description
Subject	Instruction processing
gold:hypernym	Problems
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Hazard_(computer_architecture)?oldid=1034770091&ns=0
Wikipage page ID	390569 (xsd:integer)
page length (characters) of wiki page	12466 (xsd:nonNegativeInteger)
Wikipage revision ID	1034770091 (xsd:integer)
Link from a Wikipage to another Wikipage	NOP (code) Processor design Morgan Kaufmann Publishers Branch predictor Central processing unit Instruction processing Delay slot Pipeline (computing) Pipeline stall Predication (computer architecture) Tomasulo algorithm Concurrent computing Microarchitecture Operand forwarding Out-of-order execution Speculative execution Data dependency Scoreboarding Feed forward (control) Hazard (logic) Hazard pointer Instruction pipelining Instruction set architecture Latency (engineering) Race condition Register renaming
has abstract	In the domain of central processing unit (CPU) design, hazards are problems with the instruction pipeline in CPU microarchitectures when the next instruction cannot execute in the following clock cycle, and can potentially lead to incorrect computation results. Three common types of hazards are data hazards, structural hazards, and control hazards (branching hazards). There are several methods used to deal with hazards, including pipeline stalls/pipeline bubbling, , and in the case of out-of-order execution, the scoreboarding method and the Tomasulo algorithm. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Hazard_(computer_architecture)
is Wikipage redirect of	Write after read Pipeline flush Control hazard Structural hazard Hazard (digital circuit) Branch hazard Data hazard Pipeline break Pipeline hazard Read after write (Hazard) Write after read (hazard) Write after write (hazard) Control hazards RAW conflict
is Link from a Wikipage to another Wikipage of	NOP (code) Nvidia Barrel processor Central processing unit Classic RISC pipeline Delay slot Computer engineering compendium Control hazard Data dependency GeForce 900 series Dependence analysis Hazard (disambiguation) Hazard (logic) Hazard pointer Instruction pipelining Instruction scheduling Instruction unit Interlock (engineering) Loop dependence analysis Memory dependence prediction Memory disambiguation Hazard (digital circuit) Latency oriented processor architecture Branch hazard Data hazard Control hazards
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Hazard_(computer_architecture)

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