On Mon, 19 Nov 2012, Roberto Rodríguez-Rodríguez wrote:
Hi, I have problems changing the replacement policy to be used by the
simulator. I just want to change the LLC policy.
I saw the options for se.py: "./build/X86/gem5.opt configs/example/se.py
-h" but there is not an option for the replacement policy, there are
Providing option for every single attribute that can be configured does
not appear to be a scalable approach.
options for the cache size and assoc. Also the files CacheConfig.py and
Caches.py used by se.py have not defined the replacement policy to be used.
I have tried looking for "repl" and "replacement" using grep through the
entire gem_stable tree, after analyzing the results I found many examples
where repl is set to NULL.
Did you try to figure what happens in case repl is set to NULL?
I just want to know how to change the replacement policy from LRU to
fa_lru, both of them defined in src/mem/cache/tags/. I really appreciate
your help.
If you read the documentation provided on the following webpage, I think
you would be able to gather how parameters for different simulation
objects (CPUs, caches, interconnect) can be set.
http://www.gem5.org/Simulation_Scripts_Explained
--
Nilay
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