[Gems-users] L2_CACHE_NUM_SET_BITS

["Dave Z." <zhu_dave@xxxxxxxxx>]

Hi,


I'm trying to configure a CMP system with L2_CACHE_ASSOC: 16 and L2_CACHE_NUM_SET_BITS:10. This should give me 1MB L2 caches, but due to the following operation, L2_CACHE_NUM_SET_BITS becomes 9 and hence the L2 cache size becomes 512KB. 


L2_CACHE_NUM_SETS_BITS = L2_CACHE_NUM_SETS_BITS - log_int(g_NUM_L2_BANKS_PER_CHIP); 


What is the reason of doing this operation? How can I set my L2 cache size to 1MB?


Thank you,


Dave



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