May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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MICROARCHITECTURAL TECHNIQUES OF ADVANCED PROCESSORS 15-41
l True data dependency is the only data hazard that can occur in a scalar pipeline.
l Forwarding is the technique used for resolving true data dependency.
l Superscalar processing is aimed at taking the IPC to values above 1.
l In SSAs, multiple instructions are fetched, decoded, issued and executed.
l Data dependencies have to be resolved before instructions are issued.
l In SSAs, WAR, WAW and RAW hazards can occur.
l Dynamic scheduling of instructions is done to resolve dependencies in superscalar
processors.
l An instruction window forms part of the dynamic execution core.
l P
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