Hello,

To my understanding, TaggedPrefetcher is a next-line prefetcher. Only
StridePrefetcher and TaggedPrefetcher are intended to be declared in the
.py config files. For an L3, I'd use a next-line prefetcher with degree=1.

Regards,

--
Fernando A. Endo, Post-doc

INRIA Rennes-Bretagne Atlantique
France


2016-02-26 2:59 GMT+01:00 Will <[email protected]>:

> Hi,
>
> I don't know much about the prefetcher of the cache module in gem5. I have
> searched the Internet and got little about BasePrefetcher, QueuedPrefetcher
> and TaggedPrefetcher.
> Does anybody has some suggestions on what is the resonable configurations
> for the prefetchers in a 3 level cache systems?
> For example, what is the reasonalbe queue_size in QueuedPrefetcher with 4K
> and 32K L1 cache respectively.
> Besides, I wonder about the hardware overheads of these prefetchers, such
> as how much additional memory will be used, and whether there exists some
> reference material about these prefetchers.
> Your help is greatly appreciated. Thank you.
>
> Will
>
>
>
>
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