Subject
Computer Science
Topic
Computer Hardware
Which microarchitecture unit reorders completed results back to program order?
Which microarchitecture unit reorders completed results back to program order?
ক)
Reorder Buffer (ROB)খ)
Branch Target Bufferগ)
L1 Data Cacheঘ)
PrefetcherExplanation
OoO cores execute instructions as operands become ready, but commit state in order via the ROB. This ensures precise exceptions and architectural state consistency. The ROB tracks destination registers and store commits. Size and latency impact ILP and clock speed.Related questions
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