Re: [gem5-users] Changes in cache resplacement policies

[Dongwoo Lee]

Try to check the following

src/mem/cache/base.cc  (at the bottom)
src/mem/cache/tags/Tags.py
src/mem/cache/tags/BaseCache.py

and use 'configs/common/Caches.py'

for example,

class L1Cache(BaseCache):
    ...
    tags = LRU()


2013-09-23(?) ?? 7:15, Roberto Rodríguez-Rodríguez ? ?:

Hello everyone,

I am working on cache replacement policies using the classic memory model, I was using a gem5 version from April but I have a problem because one Parsec benchmark (canneal) finish incorrectly with LRU based policies.

I tested an updated version of gem5 (the version from today) and the benchmark works perfectly, I tried to implement all my policies into the new version of the simulator but I see that the way the cache replacement policies were definied have changed.

There is not builder.cc, I the old versions I added a new variable in src/mem/cache/BaseCache.py (replPolicy = Param.String("LRU", "")) and I used that variable in src/mem/cache/builder.cc. Could somebody tell me how can I add a new cache replacement policy in the new simulator version?

Thanks in advance

             Roberto


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