bip_rp.cc (12634:e69074a3c9b9) | bip_rp.cc (12684:44ebd2bc020f) |
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1/** 2 * Copyright (c) 2018 Inria 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Daniel Carvalho 29 */ 30 31#include "mem/cache/replacement_policies/bip_rp.hh" 32 | 1/** 2 * Copyright (c) 2018 Inria 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Daniel Carvalho 29 */ 30 31#include "mem/cache/replacement_policies/bip_rp.hh" 32 |
33#include <memory> 34 |
|
33#include "base/random.hh" | 35#include "base/random.hh" |
34#include "debug/CacheRepl.hh" | |
35 36BIPRP::BIPRP(const Params *p) 37 : LRURP(p), btp(p->btp) 38{ 39} 40 41void | 36 37BIPRP::BIPRP(const Params *p) 38 : LRURP(p), btp(p->btp) 39{ 40} 41 42void |
42BIPRP::reset(CacheBlk *blk) | 43BIPRP::reset(const std::shared_ptr<ReplacementData>& replacement_data) const |
43{ | 44{ |
44 BaseReplacementPolicy::reset(blk); | 45 std::shared_ptr<LRUReplData> casted_replacement_data = 46 std::static_pointer_cast<LRUReplData>(replacement_data); |
45 | 47 |
46 // Blocks are inserted as MRU if lower than btp, LRU otherwise | 48 // Entries are inserted as MRU if lower than btp, LRU otherwise |
47 if (random_mt.random<unsigned>(1, 100) <= btp) { | 49 if (random_mt.random<unsigned>(1, 100) <= btp) { |
48 blk->lastTouchTick = curTick(); | 50 casted_replacement_data->lastTouchTick = curTick(); |
49 } else { 50 // Make their timestamps as old as possible, so that they become LRU | 51 } else { 52 // Make their timestamps as old as possible, so that they become LRU |
51 blk->lastTouchTick = 0; | 53 casted_replacement_data->lastTouchTick = 1; |
52 } 53} 54 55BIPRP* 56BIPRPParams::create() 57{ 58 return new BIPRP(this); 59} | 54 } 55} 56 57BIPRP* 58BIPRPParams::create() 59{ 60 return new BIPRP(this); 61} |