Advanced
Assembly Language
Q66 / 100
What is the hardware prefetcher?
Correct! Well done.
Incorrect.
The correct answer is B) CPU hardware that detects access patterns and automatically loads upcoming data into cache before it is requested
B
Correct Answer
CPU hardware that detects access patterns and automatically loads upcoming data into cache before it is requested
Explanation
Stride prefetchers detect sequential or constant-stride access and prefetch ahead. Random access defeats the prefetcher, causing cache misses. PREFETCHT0 is the software hint.
Progress
66/100