Hi
I am using GEMS for studying effect of L2 cache parameters on performance of
CMPs. Right now I am using the protocol MESI_CMP_filter_directory. The L2
misses obtained as output is suspiciously close to the sum of L1D and L1I cache
misses. I am quoting the misses obtained for a 16 processor machine.
L1D_cache cache stats:
L1D_cache_total_misses: 1334256
L1D_cache_total_demand_misses: 1334256
L1I_cache cache stats:
L1I_cache_total_misses: 2010
L1I_cache_total_demand_misses: 2010
L2_cache cache stats:
L2_cache_total_misses: 1336262
L2_cache_total_demand_misses: 1336262
Has anyone used GEMS for profiling L2 misses? What might be going on wrong
here?
--
Nilay
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