Advanced
Assembly Language
Q92 / 100
What is the µop cache (decoded instruction cache) and its benefit?
Correct! Well done.
Incorrect.
The correct answer is B) A cache storing decoded micro-ops, allowing the CPU to bypass front-end decode for hot loops, improving throughput and power efficiency
B
Correct Answer
A cache storing decoded micro-ops, allowing the CPU to bypass front-end decode for hot loops, improving throughput and power efficiency
Explanation
The µop cache (e.g., Intel's Decoded ICache) holds ~1500 µops. Hot loops that fit in the µop cache bypass x86 decode entirely, enabling higher throughput.
Progress
92/100