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/**
* Copyright (c) 2018 Metempsy Technology Consulting
* 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.
*/
#ifndef __MEM_CACHE_PREFETCH_SLIM_AMPM_HH__
#define __MEM_CACHE_PREFETCH_SLIM_AMPM_HH__
#include "mem/cache/prefetch/access_map_pattern_matching.hh"
#include "mem/cache/prefetch/delta_correlating_prediction_tables.hh"
#include "mem/cache/prefetch/queued.hh"
/**
* The SlimAMPM Prefetcher
* Reference:
* Towards Bandwidth-Efficient Prefetching with Slim AMPM.
* Young, Vinson, and A. Krishna.
* The 2nd Data Prefetching Championship (2015).
*
* This prefetcher uses two other prefetchers, the AMPM and the DCPT.
*/
struct SlimAMPMPrefetcherParams;
namespace Prefetcher {
class SlimAMPM : public Queued
{
/** AMPM prefetcher object */
AccessMapPatternMatching &ampm;
/** DCPT prefetcher object */
DeltaCorrelatingPredictionTables &dcpt;
public:
SlimAMPM(const SlimAMPMPrefetcherParams &p);
~SlimAMPM() = default;
void calculatePrefetch(const PrefetchInfo &pfi,
std::vector<AddrPriority> &addresses) override;
};
} // namespace Prefetcher
#endif//__MEM_CACHE_PREFETCH_SLIM_AMPM_HH__