[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-30 Thread Daniel Carvalho (Gerrit) 
Daniel Carvalho has submitted this change and it was merged. (  
https://gem5-review.googlesource.com/8891 )


Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Reviewed-on: https://gem5-review.googlesource.com/8891
Reviewed-by: Nikos Nikoleris 
Maintainer: Nikos Nikoleris 
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 261 insertions(+), 0 deletions(-)

Approvals:
  Nikos Nikoleris: Looks good to me, approved; Looks good to me, approved



diff --git a/src/mem/cache/blk.hh b/src/mem/cache/blk.hh
index a1e4502..65f32ff 100644
--- a/src/mem/cache/blk.hh
+++ b/src/mem/cache/blk.hh
@@ -129,6 +129,11 @@
  */
 Tick lastTouchTick;

+/**
+ * Re-Reference Interval Prediction Value. Used with RRIP repl policy.
+ */
+unsigned rrpv;
+
   protected:
 /**
  * Represents that the indicated thread context has a "lock" on
diff --git a/src/mem/cache/replacement_policies/ReplacementPolicies.py  
b/src/mem/cache/replacement_policies/ReplacementPolicies.py

index be9f2de..9176d2b 100644
--- a/src/mem/cache/replacement_policies/ReplacementPolicies.py
+++ b/src/mem/cache/replacement_policies/ReplacementPolicies.py
@@ -54,3 +54,13 @@
 type = 'RandomRP'
 cxx_class = 'RandomRP'
 cxx_header = "mem/cache/replacement_policies/random_rp.hh"
+
+class BRRIPRP(BaseReplacementPolicy):
+type = 'BRRIPRP'
+cxx_class = 'BRRIPRP'
+cxx_header = "mem/cache/replacement_policies/brrip_rp.hh"
+max_RRPV = Param.Unsigned(3, "Maximum RRPV possible")
+hit_priority = Param.Bool(False,
+"Prioritize evicting blocks that havent had a hit recently")
+btp = Param.Percent(3,
+"Percentage of blocks to be inserted with long RRPV")
diff --git a/src/mem/cache/replacement_policies/SConscript  
b/src/mem/cache/replacement_policies/SConscript

index 45a7b4f..4ac8fe8 100644
--- a/src/mem/cache/replacement_policies/SConscript
+++ b/src/mem/cache/replacement_policies/SConscript
@@ -33,6 +33,7 @@
 SimObject('ReplacementPolicies.py')

 Source('base.cc')
+Source('brrip_rp.cc')
 Source('fifo_rp.cc')
 Source('lru_rp.cc')
 Source('mru_rp.cc')
diff --git a/src/mem/cache/replacement_policies/brrip_rp.cc  
b/src/mem/cache/replacement_policies/brrip_rp.cc

new file mode 100644
index 000..9185638
--- /dev/null
+++ b/src/mem/cache/replacement_policies/brrip_rp.cc
@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) 2018 Inria
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Daniel Carvalho
+ */
+
+#include "mem/cache/replacement_policies/brrip_rp.hh"
+
+#include "base/random.hh"
+#include "debug/CacheRepl.hh"
+
+BRRIPRP::BRRIPRP(const Params *p)
+: BaseReplacementPolicy(p),
+  maxRRPV(p->max_RRPV), hitPriority(p->hit_priority), btp(p->btp)
+{
+if (maxRRPV == 0){
+fatal("max_RRPV should be greater than zero.\n");
+}
+}
+
+void
+BRRIPRP::touch(CacheBlk *blk)
+{
+BaseReplacementPolicy::touch(blk);
+
+// Update RRPV if not 0 yet
+// Every hit in HP mode makes the block the last to be evicted, while
+

[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-30 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#10).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 261 insertions(+), 0 deletions(-)


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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Gerrit-Change-Number: 8891
Gerrit-PatchSet: 10
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
Gerrit-Reviewer: Jason Lowe-Power 
Gerrit-Reviewer: Nikos Nikoleris 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-29 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#9).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 263 insertions(+), 0 deletions(-)


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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Gerrit-Change-Number: 8891
Gerrit-PatchSet: 9
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
Gerrit-Reviewer: Jason Lowe-Power 
Gerrit-Reviewer: Nikos Nikoleris 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-29 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#8).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 263 insertions(+), 0 deletions(-)


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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Gerrit-Change-Number: 8891
Gerrit-PatchSet: 8
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
Gerrit-Reviewer: Jason Lowe-Power 
Gerrit-Reviewer: Nikos Nikoleris 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-27 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#6).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 257 insertions(+), 0 deletions(-)


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Gerrit-Branch: master
Gerrit-Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Gerrit-Change-Number: 8891
Gerrit-PatchSet: 6
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
Gerrit-Reviewer: Jason Lowe-Power 
Gerrit-Reviewer: Nikos Nikoleris 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-20 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#5).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 257 insertions(+), 0 deletions(-)


--
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Gerrit-Branch: master
Gerrit-Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Gerrit-Change-Number: 8891
Gerrit-PatchSet: 5
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
Gerrit-Reviewer: Jason Lowe-Power 
Gerrit-Reviewer: Nikos Nikoleris 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP replacement policy

2018-03-20 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power, Nikos Nikoleris,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8891

to look at the new patch set (#4).

Change subject: mem-cache: Create BRRIP replacement policy
..

mem-cache: Create BRRIP replacement policy

Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.

Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
---
M src/mem/cache/blk.hh
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
5 files changed, 247 insertions(+), 0 deletions(-)


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Gerrit-Change-Number: 8891
Gerrit-PatchSet: 4
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP Replacement Policy

2018-03-19 Thread Daniel Carvalho (Gerrit) 

Hello Jason Lowe-Power,

I'd like you to reexamine a change. Please visit

https://gem5-review.googlesource.com/8981

to look at the new patch set (#4).

Change subject: mem-cache: Create BRRIP Replacement Policy
..

mem-cache: Create BRRIP Replacement Policy

Implementation of a Bimodal RRIP replacement policy.

Change-Id: Iba716eb5df2bf2be156e765f889d94f6ad00c91b
---
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
4 files changed, 145 insertions(+), 0 deletions(-)


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Gerrit-Change-Number: 8981
Gerrit-PatchSet: 4
Gerrit-Owner: Daniel Carvalho 
Gerrit-Reviewer: Daniel Carvalho 
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[gem5-dev] Change in public/gem5[master]: mem-cache: Create BRRIP Replacement Policy

2018-03-12 Thread Daniel Carvalho (Gerrit) 
Daniel Carvalho has uploaded a new patch set (#3). (  
https://gem5-review.googlesource.com/8981 )


Change subject: mem-cache: Create BRRIP Replacement Policy
..

mem-cache: Create BRRIP Replacement Policy

Implementation of a Bimodal RRIP replacement policy.

Change-Id: Iba716eb5df2bf2be156e765f889d94f6ad00c91b
---
M src/mem/cache/replacement_policies/ReplacementPolicies.py
M src/mem/cache/replacement_policies/SConscript
A src/mem/cache/replacement_policies/brrip_rp.cc
A src/mem/cache/replacement_policies/brrip_rp.hh
4 files changed, 141 insertions(+), 0 deletions(-)


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Gerrit-Change-Id: Iba716eb5df2bf2be156e765f889d94f6ad00c91b
Gerrit-Change-Number: 8981
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Gerrit-Owner: Daniel Carvalho 
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