1# Copyright (c) 2018 Inria
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
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
| 1# Copyright (c) 2018 Inria
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
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 LRURP(BaseReplacementPolicy):
44 type = 'LRURP'
45 cxx_class = 'LRURP'
46 cxx_header = "mem/cache/replacement_policies/lru_rp.hh"
47
48class MRURP(BaseReplacementPolicy):
49 type = 'MRURP'
50 cxx_class = 'MRURP'
51 cxx_header = "mem/cache/replacement_policies/mru_rp.hh"
52
53class RandomRP(BaseReplacementPolicy):
54 type = 'RandomRP'
55 cxx_class = 'RandomRP'
56 cxx_header = "mem/cache/replacement_policies/random_rp.hh"
57
58class BRRIPRP(BaseReplacementPolicy):
59 type = 'BRRIPRP'
60 cxx_class = 'BRRIPRP'
61 cxx_header = "mem/cache/replacement_policies/brrip_rp.hh"
62 max_RRPV = Param.Unsigned(3, "Maximum RRPV possible")
63 hit_priority = Param.Bool(False,
64 "Prioritize evicting blocks that havent had a hit recently")
65 btp = Param.Percent(3,
66 "Percentage of blocks to be inserted with long RRPV")
67
68class RRIPRP(BRRIPRP):
69 btp = 0
| 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
|