Hi, I am using M5 to study cache replacement policy. And I want M5 to skip
first 40 billion instructions and then running in the detailed mode.

As my may configure different L2 cache for each simulation (e.g. different
associativity and different replacement policy). Is it possible to make a
checkpoint suitable for all?

for example:
Can I first simulate a system with atomic CPU and no caches for 40 billion
instructions and then switch to detailed CPU with cache system?

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