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/*
* Copyright (c) 2018-2020 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.
*/
/** @file
* Implementation of a base sim object for the templated dictionary-based
* cache compressor.
*/
#include "mem/cache/compressors/dictionary_compressor.hh"
#include "params/BaseDictionaryCompressor.hh"
namespace Compressor {
BaseDictionaryCompressor::BaseDictionaryCompressor(const Params *p)
: Base(p), dictionarySize(p->dictionary_size),
numEntries(0), dictionaryStats(stats, *this)
{
}
BaseDictionaryCompressor::DictionaryStats::DictionaryStats(
BaseStats& base_group, BaseDictionaryCompressor& _compressor)
: Stats::Group(&base_group), compressor(_compressor),
patterns(this, "pattern",
"Number of data entries that were compressed to this pattern")
{
}
void
BaseDictionaryCompressor::DictionaryStats::regStats()
{
Stats::Group::regStats();
// We store the frequency of each pattern
patterns.init(compressor.getNumPatterns());
for (unsigned i = 0; i < compressor.getNumPatterns(); ++i) {
const std::string name = compressor.getName(i);
patterns.subname(i, name);
patterns.subdesc(i, "Number of data entries that match pattern " +
name);
}
}
} // namespace Compressor