Esempio n. 1
0
    def crossover(self, threshold, time):

        list1 = self.parents[-2][0]
        list2 = self.parents[-1][0]

        parent1 = Node()
        parent1.server_tab = list(list1)

        parent2 = Node()
        parent2.server_tab = list(list2)

        while True:

            index = random.randint(0, len(list2) - 1)
            tmp_cross = parent1.server_tab[index]
            parent1.server_tab[index] = parent2.server_tab[index]
            parent2.server_tab[index] = tmp_cross

            if parent2.calculate_all(time) >= threshold:
                del self.parents[-1]
                break

            elif parent1.calculate_all(time) >= threshold:
                del self.parents[-2]
                break

        self.parents.sort(key=lambda x: x[1])
Esempio n. 2
0
    def generate(self, threshold, time, tab1):
        """ Do mutate and crossover again till I die """

        while len(self.parents) >= 2:
            self.crossover(threshold, time)

        for nodes in self.parents:
            node = Node()
            node.server_tab = list(nodes[0])
            self.mutate(node, tab1, threshold, time)