What are prefetching techniques in computer science?
Prefetching techniques are strategies used to load data or instructions into cache before they are actually needed, improving performance.
Can you give me some examples of prefetching techniques?
Sure! Some common examples include instruction prefetching, data prefetching, and stream prefetching.
How do these techniques improve performance?
They reduce wait times by anticipating data needs, allowing the CPU to access data more quickly when required.
Are there any downsides to using prefetching?
Yes, if not managed properly, prefetching can lead to cache pollution and increased memory bandwidth usage.
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