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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BEYOND PENTIUM–MORE ADVANCED PROCESSORS 17-3
iv) Wider Address Bus: The address bus on the Pentium Pro is widened to 36 bits,
giving it a maximum addressability of 64 GB of memory.
v) Greater Multiprocessing: Quad ‘multiprocessor’ configurations are supported with
the Pentium Pro compared to only dual with the Pentium. This means that four
Pentium Pro processors can be interconnected on the Pentium Pro processor bus.
vi) Out of Order Completion (Section 15.2.6): Instructions flowing down the execu-
tion pipelines can be executed ‘out of order’.
vii) Superior Branch Prediction Unit (Section 15.2.7): The branch target buffer is dou-
ble the size of that of Pentium and its accuracy is higher, as much as 94%.
viii) Register Renaming (Section ...
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