ReplacementPolicies.py revision 12628 
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27# Authors: Daniel Carvalho
28
29from m5.params import *
30from m5.proxy import *
31from m5.SimObject import SimObject
32
33class BaseReplacementPolicy(SimObject):
34    type = 'BaseReplacementPolicy'
35    abstract = True
36    cxx_header = "mem/cache/replacement_policies/base.hh"
37
38class FIFORP(BaseReplacementPolicy):
39    type = 'FIFORP'
40    cxx_class = 'FIFORP'
41    cxx_header = "mem/cache/replacement_policies/fifo_rp.hh"
42
43class LFURP(BaseReplacementPolicy):
44    type = 'LFURP'
45    cxx_class = 'LFURP'
46    cxx_header = "mem/cache/replacement_policies/lfu_rp.hh"
47
48class LRURP(BaseReplacementPolicy):
49    type = 'LRURP'
50    cxx_class = 'LRURP'
51    cxx_header = "mem/cache/replacement_policies/lru_rp.hh"
52
53class MRURP(BaseReplacementPolicy):
54    type = 'MRURP'
55    cxx_class = 'MRURP'
56    cxx_header = "mem/cache/replacement_policies/mru_rp.hh"
57
58class RandomRP(BaseReplacementPolicy):
59    type = 'RandomRP'
60    cxx_class = 'RandomRP'
61    cxx_header = "mem/cache/replacement_policies/random_rp.hh"
62
63class BRRIPRP(BaseReplacementPolicy):
64    type = 'BRRIPRP'
65    cxx_class = 'BRRIPRP'
66    cxx_header = "mem/cache/replacement_policies/brrip_rp.hh"
67    max_RRPV = Param.Unsigned(3, "Maximum RRPV possible")
68    hit_priority = Param.Bool(False,
69        "Prioritize evicting blocks that havent had a hit recently")
70    btp = Param.Percent(3,
71        "Percentage of blocks to be inserted with long RRPV")
72
73class RRIPRP(BRRIPRP):
74    btp = 0
75