def IO_update(ID, generation, pop, max_gens):
# Print update to stdout:
print "\rL: %f a: %f (%%%i done.)" \
% ( mtr.fitness(pop[0]), pop[0]['amplitude'],
100.0 * float(generation)/(max_gens-1)),
sys.stdout.flush()
# Log stuff to file with shelve
d = shelve.open("dat/" + str(ID) + "/" +
str(ID) + "." + str(generation) + ".pop" )
d['pop'] = pop
d.close()
def IO_update(ID, generation, pop, max_gens):
print "\rL:", mtr.fitness(pop[0]), "a:", pop[0]['amplitude'],
print "%", 100.0 * float(generation)/(max_gens-1),
print " First:", first,
sys.stdout.flush()
# Print stuff to stdout:
# print ID
# print "generation: ", generation
# print " best:", mtr.fitness(pop[0]), "a:", pop[0]['amplitude']
# print " secn:", mtr.fitness(pop[1]), "a:", pop[1]['amplitude']
# print " wrst:", mtr.fitness(pop[-1]), "a:", pop[-1]['amplitude']
# Log stuff to file with shelve
d = shelve.open("dat/" + str(ID) + "." + str(generation) + ".pop" )
d['pop'] = pop
d.close()
def initialize_pop():
# Some initialization constants:
lower_size = 2
upper_size = 50
num = 100
pop = []
for j in range(num):
print "\rInitializing Population %", 100*float(j)/(num-1),
sys.stdout.flush()
org = { 'org':
[[random()*2-1 for i in range(randint(lower_size, upper_size))],
[0,0,0]],
'amplitude' : random() * 0.1 + 0.05 }
org['fitness'] = mtr.fitness(org)
pop.append(org)
print " Done."
return pop
