Daniel Carvalho has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/37898 )
Change subject: mem-cache: Add the DRRIP replacement policy
......................................................................
mem-cache: Add the DRRIP replacement policy
Instantiate the Dynamic Re-Reference Interval Prediction, as defined
in "High Performance Cache Replacement Using Re-Reference Interval
Prediction (RRIP)", by Jaleel et al.
Change-Id: Id1d354c01e63ae49739263647ff25e5665f60d8c
Signed-off-by: Daniel R. Carvalho <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/37898
Tested-by: kokoro <[email protected]>
Reviewed-by: Bobby R. Bruce <[email protected]>
Maintainer: Bobby R. Bruce <[email protected]>
---
M src/mem/cache/replacement_policies/ReplacementPolicies.py
1 file changed, 10 insertions(+), 0 deletions(-)
Approvals:
Bobby R. Bruce: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/mem/cache/replacement_policies/ReplacementPolicies.py
b/src/mem/cache/replacement_policies/ReplacementPolicies.py
index 74709f2..34c8a1e 100644
--- a/src/mem/cache/replacement_policies/ReplacementPolicies.py
+++ b/src/mem/cache/replacement_policies/ReplacementPolicies.py
@@ -100,6 +100,16 @@
class RRIPRP(BRRIPRP):
btp = 100
+class DRRIPRP(DuelingRP):
+ # The constituency_size and the team_size must be manually provided,
where:
+ # constituency_size = num_cache_entries /
+ # (num_dueling_sets * num_entries_per_set)
+ # The paper assumes that:
+ # num_dueling_sets = 32
+ # team_size = num_entries_per_set
+ replacement_policy_a = BRRIPRP()
+ replacement_policy_b = RRIPRP()
+
class NRURP(BRRIPRP):
btp = 100
num_bits = 1
6 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the
submitted one.
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Id1d354c01e63ae49739263647ff25e5665f60d8c
Gerrit-Change-Number: 37898
Gerrit-PatchSet: 8
Gerrit-Owner: Daniel Carvalho <[email protected]>
Gerrit-Reviewer: Bobby R. Bruce <[email protected]>
Gerrit-Reviewer: Daniel Carvalho <[email protected]>
Gerrit-Reviewer: Nikos Nikoleris <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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