mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/*
|
|
This file is part of solidity.
|
|
|
|
solidity is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
solidity is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
|
|
#include <tools/yulPhaser/FitnessMetrics.h>
|
|
|
|
#include <libsolutil/CommonIO.h>
|
|
|
|
#include <cmath>
|
|
|
|
using namespace std;
|
|
using namespace solidity::util;
|
|
using namespace solidity::yul;
|
|
using namespace solidity::phaser;
|
|
|
|
Program const& ProgramBasedMetric::program() const
|
|
{
|
|
if (m_programCache == nullptr)
|
|
return m_program.value();
|
|
else
|
|
return m_programCache->program();
|
|
}
|
|
|
|
Program ProgramBasedMetric::optimisedProgram(Chromosome const& _chromosome)
|
|
{
|
|
if (m_programCache == nullptr)
|
|
return optimisedProgramNoCache(_chromosome);
|
|
|
|
return m_programCache->optimiseProgram(
|
|
toString(_chromosome),
|
|
m_repetitionCount
|
|
);
|
|
}
|
|
|
|
Program ProgramBasedMetric::optimisedProgramNoCache(Chromosome const& _chromosome) const
|
|
{
|
|
Program programCopy = program();
|
|
for (size_t i = 0; i < m_repetitionCount; ++i)
|
|
programCopy.optimise(_chromosome.optimisationSteps());
|
|
|
|
return programCopy;
|
|
}
|
|
|
|
size_t ProgramSize::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
return optimisedProgram(_chromosome).codeSize(codeWeights());
|
|
}
|
|
|
|
size_t RelativeProgramSize::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
double const scalingFactor = pow(10, m_fixedPointPrecision);
|
|
|
|
size_t unoptimisedSize = optimisedProgram(Chromosome("")).codeSize(codeWeights());
|
|
if (unoptimisedSize == 0)
|
|
return static_cast<size_t>(scalingFactor);
|
|
|
|
size_t optimisedSize = optimisedProgram(_chromosome).codeSize(codeWeights());
|
|
|
|
return static_cast<size_t>(round(
|
|
double(optimisedSize) / double(unoptimisedSize) * scalingFactor
|
|
));
|
|
}
|
|
|
|
size_t FitnessMetricAverage::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
assert(m_metrics.size() > 0);
|
|
|
|
size_t total = m_metrics[0]->evaluate(_chromosome);
|
|
for (size_t i = 1; i < m_metrics.size(); ++i)
|
|
total += m_metrics[i]->evaluate(_chromosome);
|
|
|
|
return total / m_metrics.size();
|
|
}
|
|
|
|
size_t FitnessMetricSum::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
assert(m_metrics.size() > 0);
|
|
|
|
size_t total = m_metrics[0]->evaluate(_chromosome);
|
|
for (size_t i = 1; i < m_metrics.size(); ++i)
|
|
total += m_metrics[i]->evaluate(_chromosome);
|
|
|
|
return total;
|
|
}
|
|
|
|
size_t FitnessMetricMaximum::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
assert(m_metrics.size() > 0);
|
|
|
|
size_t maximum = m_metrics[0]->evaluate(_chromosome);
|
|
for (size_t i = 1; i < m_metrics.size(); ++i)
|
|
maximum = max(maximum, m_metrics[i]->evaluate(_chromosome));
|
|
|
|
return maximum;
|
|
}
|
|
|
|
size_t FitnessMetricMinimum::evaluate(Chromosome const& _chromosome)
|
|
{
|
|
assert(m_metrics.size() > 0);
|
|
|
|
size_t minimum = m_metrics[0]->evaluate(_chromosome);
|
|
for (size_t i = 1; i < m_metrics.size(); ++i)
|
|
minimum = min(minimum, m_metrics[i]->evaluate(_chromosome));
|
|
|
|
return minimum;
|
|
}
|