diff --git a/src/mem/cache/replacement_policies/ReplacementPolicies.py b/src/mem/cache/replacement_policies/ReplacementPolicies.py index 0bbf1d16bd..f40d1459ba 100644 --- a/src/mem/cache/replacement_policies/ReplacementPolicies.py +++ b/src/mem/cache/replacement_policies/ReplacementPolicies.py @@ -85,10 +85,10 @@ class BRRIPRP(BaseReplacementPolicy): "Percentage of blocks to be inserted with long RRPV") class RRIPRP(BRRIPRP): - btp = 0 + btp = 100 class NRURP(BRRIPRP): - btp = 0 + btp = 100 max_RRPV = 1 class TreePLRURP(BaseReplacementPolicy): diff --git a/src/mem/cache/replacement_policies/brrip_rp.hh b/src/mem/cache/replacement_policies/brrip_rp.hh index 9374742c15..d3746644fe 100644 --- a/src/mem/cache/replacement_policies/brrip_rp.hh +++ b/src/mem/cache/replacement_policies/brrip_rp.hh @@ -66,6 +66,10 @@ class BRRIPRP : public BaseReplacementPolicy { /** * Re-Reference Interval Prediction Value. + * Some values have specific names (according to the paper): + * 0 -> near-immediate re-rereference interval + * max_RRPV-1 -> long re-rereference interval + * max_RRPV -> distant re-rereference interval * A value equal to max_RRPV + 1 indicates an invalid entry. */ int rrpv;