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[yul-phaser] Add RelativeProgramSize metric

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This commit is contained in:
Kamil Śliwak
2020-03-18 16:28:15 +01:00
parent 7edbbe4edd
commit 0e03839e62
3 changed files with 95 additions and 0 deletions
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test/yulPhaser/FitnessMetrics.cpp
+52
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@@ -26,6 +26,8 @@
#include <boost/test/unit_test.hpp>
#include <cmath>
using namespace std;
using namespace solidity::langutil;
using namespace solidity::util;
@@ -121,6 +123,56 @@ BOOST_FIXTURE_TEST_CASE(evaluate_should_not_optimise_if_number_of_repetitions_is
BOOST_TEST(fitness != m_optimisedProgram.codeSize());
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE(RelativeProgramSizeTest)
BOOST_FIXTURE_TEST_CASE(evaluate_should_compute_the_size_ratio_between_optimised_program_and_original_program, ProgramBasedMetricFixture)
{
BOOST_TEST(RelativeProgramSize(m_program, 3).evaluate(m_chromosome) == round(1000.0 * m_optimisedProgram.codeSize() / m_program.codeSize()));
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_repeat_the_optimisation_specified_number_of_times, ProgramBasedMetricFixture)
{
Program const& programOptimisedOnce = m_optimisedProgram;
Program programOptimisedTwice = optimisedProgram(programOptimisedOnce);
RelativeProgramSize metric(m_program, 3, 2);
size_t fitness = metric.evaluate(m_chromosome);
BOOST_TEST(fitness != 1000);
BOOST_TEST(fitness != RelativeProgramSize(programOptimisedTwice, 3, 1).evaluate(m_chromosome));
BOOST_TEST(fitness == round(1000.0 * programOptimisedTwice.codeSize() / m_program.codeSize()));
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_return_one_if_number_of_repetitions_is_zero, ProgramBasedMetricFixture)
{
RelativeProgramSize metric(m_program, 3, 0);
BOOST_TEST(metric.evaluate(m_chromosome) == 1000);
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_return_one_if_the_original_program_size_is_zero, ProgramBasedMetricFixture)
{
CharStream sourceStream = CharStream("{}", "");
Program program = get<Program>(Program::load(sourceStream));
RelativeProgramSize metric(program, 3);
BOOST_TEST(metric.evaluate(m_chromosome) == 1000);
BOOST_TEST(metric.evaluate(Chromosome("")) == 1000);
BOOST_TEST(metric.evaluate(Chromosome("afcxjLTLTDoO")) == 1000);
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_multiply_the_result_by_scaling_factor, ProgramBasedMetricFixture)
{
double sizeRatio = static_cast<double>(m_optimisedProgram.codeSize()) / m_program.codeSize();
BOOST_TEST(RelativeProgramSize(m_program, 0).evaluate(m_chromosome) == round(1.0 * sizeRatio));
BOOST_TEST(RelativeProgramSize(m_program, 1).evaluate(m_chromosome) == round(10.0 * sizeRatio));
BOOST_TEST(RelativeProgramSize(m_program, 2).evaluate(m_chromosome) == round(100.0 * sizeRatio));
BOOST_TEST(RelativeProgramSize(m_program, 3).evaluate(m_chromosome) == round(1000.0 * sizeRatio));
BOOST_TEST(RelativeProgramSize(m_program, 4).evaluate(m_chromosome) == round(10000.0 * sizeRatio));
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()