Beispiel #1
0
def solve(input_data, N, NL, m, lambda1):
    lambda2 = 1 - lambda1
    Data = input_data.split("\n")  # load data
    n = len(Data) - 1  # get the amount of items
    items = []
    for j in xrange(n):
        data = Data[j]
        parts = data.split()
        p = int(parts[0])  # get the process time
        s = int(parts[2])  # get the setup time
        d = int(parts[3])  # get the due date
        wt = int(parts[4])  # get the tardiness weights
        wc = int(parts[5])  # get the completion weights
        items.append(Item(p + s, d, wt, wc))  # combine those item data
    print "Data loaded!"
    S, L, completion = generate.initialization(items, n, m)
    lateness = generate.late(completion, items)
    tardiness = generate.tard(lateness)
    item_values = []
    for j in xrange(len(items)):
        item = items[j]
        wt, wc = item.wt, item.wc
        t, c = tardiness[j], completion[j]
        value = h(t, c, wt, wc, lambda1, lambda2)
        item_values.append(value)
    print "Initialization done!"

    G = generate.H(item_values, L)
    line_values = []
    for s in S:
        value = generate.H(item_values, s)
        line_values.append(value)
    print "Initial values done!"

    for l in xrange(m):
        delta, S[l] = basictabu.tabu(1500, NL, S[l], items, completion, tardiness, lambda1, lambda2)
        G += delta
        line_values[l] += delta
    completion, tardiness, item_values = generate.verify(S, items, lambda1, lambda2)
    print "Initial Tabu Search Done!"

    delta, S, L, line_values, item_values, completion, tardiness = tabu(
        N, NL, S, L, items, completion, tardiness, line_values, item_values, G, lambda1, lambda2
    )
    G += delta
    completion, tardiness, item_values = generate.verify(S, items, lambda1, lambda2)
    u = tardiness.count(0)
    cv = u / len(tardiness)
    print tardiness
    return G, cv, S
Beispiel #2
0
def solve(input_data,m,lambda1,NR):
	lambda2 = 1- lambda1
	Data = input_data.split('\n')					# load data
	n = len(Data) -1						# get the amount of items
	items = []	
	for j in xrange(n):
		data = Data[j]
		parts = data.split()
		p = int(parts[0])					# get the process time
		s = int(parts[2])						# get the setup time
		d = int(parts[3])					# get the due date
		wt = int(parts[4])					# get the tardiness weights
		wc = int(parts[5])					# get the completion weights
		items.append(Item(p+s,d,wt,wc))			# combine those item data
	print 'Data loaded!'	
	S,L,completion = generate.initialization(items,n,m)
	print 'Initialization done!'

	lateness = generate.late(completion,items)			# begin the value initialization
	tardiness = generate.tard(lateness)
	item_values = []
	for j in xrange(n):
		item = items[j]
		wt,wc = item.wt,item.wc
		t,c = tardiness[j],completion[j]
		value = h(t,c,wt,wc,lambda1,lambda2)
		item_values.append(value)
	G = generate.H(item_values,L)
	line_values = []
	for s in S:
		value = generate.H(item_values,s)
		line_values.append(value)
	print 'Initial values done!'

	for k in xrange(NR):
		l_p,l_m = generate.reorder(items,S,line_values,item_values)
		S[l_p],c_p = ATC(items,S[l_p])
		S[l_m],c_m = ATC(items,S[l_m])
		for j in S[l_p]:
			completion[j] = c_p.pop(0)
			c = completion[j]
			item = items[j]
			wt,wc = item.wt,item.wc
			late = completion[j] - item.due
			t = generate.tard(late)
			item_values[j] = h(t[0],c,wt,wc,lambda1,lambda2)
		for j in S[l_m]:
			completion[j] = c_m.pop(0)
			c = completion[j]
			item = items[j]
			wt,wc = item.wt,item.wc
			late = completion[j] - item.due
			t = generate.tard(late)
			item_values[j] = h(t[0],c,wt,wc,lambda1,lambda2)
		delta_p = generate.H(item_values,S[l_p]) - line_values[l_p]
		delta_m = generate.H(item_values,S[l_m]) - line_values[l_m]
		line_values[l_p] += delta_p
		line_values[l_m] += delta_m
		G = G + delta_m + delta_p
	lateness = generate.late(completion,items)
	tardiness = generate.tard(lateness)
	u = tardiness.count(0)
	cv = u/len(tardiness)
	return G,cv,S
Beispiel #3
0
def solve(input_data,m,lambda1,N,NL,NR):
	lambda2 = 1- lambda1
	Data = input_data.split('\n')					# load data
	n = len(Data) -1						# get the amount of items
	items = []
	for j in xrange(n):
		data = Data[j]
		parts = data.split()
		p = int(parts[0])					# get the process time
		s = int(parts[2])						# get the setup time
		d = int(parts[3])					# get the due date
		wt = int(parts[4])					# get the tardiness weights
		wc = int(parts[5])					# get the completion weights
		items.append(Item(p+s,d,wt,wc))			# combine those item data
	print 'Data loaded!'	
	S,L,completion = generate.initialization(items,n,m)
	print 'Initialization done!'

	completion,tardiness,item_values = value_generator(S,items,lambda1,lambda2)
	G = generate.H(item_values,L)
	line_values = []
	for s in S:
		value = generate.H(item_values,s)
		line_values.append(value)
	print 'Initial values done!'

	for l in xrange(m):
		delta,S[l]= tabu(N,NL,S[l],items,completion,tardiness,lambda1,lambda2)
		G += delta
		line_values[l] += delta
	completion,tardiness,item_values = value_generator(S,items,lambda1,lambda2)
	print 'Initial Tabu Search done!'

	value = G
	S_temp = [None]*m
	for l in xrange(m):
		S_temp[l] = S[l][:]
	line_values_temp = line_values[:]
	item_values_temp = item_values[:]
	for k in xrange(NR):		
		l_p,l_m = generate.reorder(items,S_temp,line_values_temp,item_values_temp)
		completion_temp,tardiness_temp,item_values_temp = value_generator(S_temp,items,lambda1,lambda2)
		line_values_temp[l_p] = generate.H(item_values_temp,S_temp[l_p])
		line_values_temp[l_m] = generate.H(item_values_temp,S_temp[l_m])
		delta_p,S_temp[l_p] = tabu(N,NL,S_temp[l_p],items,completion_temp,tardiness_temp,lambda1,lambda2)
		delta_m,S_temp[l_m] = tabu(N,NL,S_temp[l_m],items,completion_temp,tardiness_temp,lambda1,lambda2)
		line_values_temp[l_p] += delta_p
		line_values_temp[l_m] += delta_m
		value = generate.H(item_values_temp,L)
		value = value + delta_m + delta_p
		if value < G:
			G = value
			line_values = line_values_temp[:]
			completion,tardiness,item_values = value_generator(S_temp,items,lambda1,lambda2)
			for l in xrange(m):
				S[l] = S_temp[l][:]
	print G
	u = tardiness.count(0)
	cv = u/len(tardiness)
	print tardiness
	return G,cv,S
Beispiel #4
0
def solve(input_data, m, lambda1, NR):
    lambda2 = 1 - lambda1
    Data = input_data.split('\n')  # load data
    n = len(Data) - 1  # get the amount of items
    items = []
    for j in xrange(n):
        data = Data[j]
        parts = data.split()
        p = int(parts[0])  # get the process time
        s = int(parts[2])  # get the setup time
        d = int(parts[3])  # get the due date
        wt = int(parts[4])  # get the tardiness weights
        wc = int(parts[5])  # get the completion weights
        items.append(Item(p + s, d, wt, wc))  # combine those item data
    print 'Data loaded!'
    S, L, completion = generate.initialization(items, n, m)
    print 'Initialization done!'

    lateness = generate.late(completion,
                             items)  # begin the value initialization
    tardiness = generate.tard(lateness)
    item_values = []
    for j in xrange(n):
        item = items[j]
        wt, wc = item.wt, item.wc
        t, c = tardiness[j], completion[j]
        value = h(t, c, wt, wc, lambda1, lambda2)
        item_values.append(value)
    G = generate.H(item_values, L)
    line_values = []
    for s in S:
        value = generate.H(item_values, s)
        line_values.append(value)
    print 'Initial values done!'

    for k in xrange(NR):
        l_p, l_m = generate.reorder(items, S, line_values, item_values)
        S[l_p], c_p = ATC(items, S[l_p])
        S[l_m], c_m = ATC(items, S[l_m])
        for j in S[l_p]:
            completion[j] = c_p.pop(0)
            c = completion[j]
            item = items[j]
            wt, wc = item.wt, item.wc
            late = completion[j] - item.due
            t = generate.tard(late)
            item_values[j] = h(t[0], c, wt, wc, lambda1, lambda2)
        for j in S[l_m]:
            completion[j] = c_m.pop(0)
            c = completion[j]
            item = items[j]
            wt, wc = item.wt, item.wc
            late = completion[j] - item.due
            t = generate.tard(late)
            item_values[j] = h(t[0], c, wt, wc, lambda1, lambda2)
        delta_p = generate.H(item_values, S[l_p]) - line_values[l_p]
        delta_m = generate.H(item_values, S[l_m]) - line_values[l_m]
        line_values[l_p] += delta_p
        line_values[l_m] += delta_m
        G = G + delta_m + delta_p
    lateness = generate.late(completion, items)
    tardiness = generate.tard(lateness)
    u = tardiness.count(0)
    cv = u / len(tardiness)
    return G, cv, S