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http://reviews.gem5.org/r/3502/
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Review request for Default.


Repository: gem5


Description
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Split the hit latency into tag lookup latency and RAM access latency.

If the cache access mode is parallel ("sequential_access" parameter set to 
"False"), tags and RAMs are accessed in parallel. Therefore, the hit latency is 
the maximum latency between tag lookup latency and RAM access latency. On the 
other hand, if the cache access mode is sequential ("sequential_access" 
parameter set to "True"), tags and RAM are accessed sequentially. Therefore, 
the hit latency is the sum of tag lookup latency plus RAM access latency.


Diffs
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  configs/common/Caches.py 629fe6e6c781 
  src/mem/cache/BaseCache.py 629fe6e6c781 
  src/mem/cache/base.hh 629fe6e6c781 
  src/mem/cache/base.cc 629fe6e6c781 
  src/mem/cache/tags/Tags.py 629fe6e6c781 
  src/mem/cache/tags/base.hh 629fe6e6c781 
  src/mem/cache/tags/base.cc 629fe6e6c781 
  src/mem/cache/tags/base_set_assoc.hh 629fe6e6c781 
  src/mem/cache/tags/fa_lru.cc 629fe6e6c781 
  src/mem/cache/tags/fa_lru.hh 629fe6e6c781 

Diff: http://reviews.gem5.org/r/3502/diff/


Testing
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Tested using --Debug-flags=Cache


Thanks,

Sophiane SENNI

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