def test_solve_is_not_crashing(self):
values = []
for i in range(0,5):
x = i
values.append(({'x': x}, x * x ))
f = FitnessFunction(values)
exchanger = SimpleRandomExchanger(
lambda: [Expression.generate_random(max_height=2, variables=['x'])
for i in range(0, 5)])
config = ExpressionsImmuneSystemConfig()
config.number_of_lymphocytes = 10
config.number_of_iterations = 5
immuneSystem = ExpressionsImmuneSystem(exact_values=values,
variables=['x'],
exchanger=exchanger,
config=config)
best = immuneSystem.solve()
self.assertGreaterEqual(f.expression_value(best), 0)
max_height = 4
DataFileStorageHelper.save_to_file(
'test_x_y.txt', ['x', 'y'],
lambda x, y: x * x + x * y * math.sin(x * y), 100)
variables, values = DataFileStorageHelper.load_from_file('test_x_y.txt')
f = FitnessFunction(values)
exchanger = SimpleRandomExchanger(lambda: [
Expression.generate_random(max_height=max_height, variables=variables)
for i in range(0, number_of_lymphocytes // 2)
])
config = ExpressionsImmuneSystemConfig()
results = []
iterations = 5
start = time.clock()
for i in range(0, iterations):
immuneSystem = ExpressionsImmuneSystem(exact_values=values,
variables=variables,
exchanger=exchanger,
config=config)
best = immuneSystem.solve()
results.append((f.expression_value(best), str(best)))
update_progress(int((i + 1) / iterations * 100))
end = time.clock()
print('\n{0} seconds'.format(end - start))
for result in sorted(results):
print(result, sep='\n')
__author__ = 'Stanislav Ushakov'
from immune import ExpressionsImmuneSystem, DataFileStorageHelper, ExpressionsImmuneSystemConfig
from exchanger import PeerToPeerExchanger, LocalhostNodesManager
import sys
#start as "python node_main.py node_num number_of_nodes"
if __name__ == '__main__':
number = int(sys.argv[1])
number_of_nodes = int(sys.argv[2])
nodes_manager = LocalhostNodesManager(number, number_of_nodes)
config = ExpressionsImmuneSystemConfig()
config.number_of_lymphocytes = 200
config.number_of_iterations = 200
config.number_of_iterations_to_exchange = 30
config.maximal_height = 5
variables, values = DataFileStorageHelper.load_from_file('test_x_y.txt')
exchanger = PeerToPeerExchanger(nodes_manager)
results = []
immuneSystem = ExpressionsImmuneSystem(exact_values=values,
variables=variables,
exchanger=exchanger,
config=config)
best = immuneSystem.solve()
print(best)
