def main(args):
'''
:param args:
:return:none , output is a dir includes 3 .txt files
'''
[train_, val_, test_] = args.proportion
out_num = args.num
if train_ + val_ + test_ - 1. > 0.01: #delta
print('erro')
return
if args.reference:
ref_df = pd.read_csv(args.reference, index_col='scences')
print('load refs ok')
else:
ref_df = None
out_dir = Path(args.out_dir)
out_dir.mkdir_p()
train_txt_p = out_dir / 'train.txt'
val_txt_p = out_dir / 'val.txt'
test_txt_p = out_dir / 'test.txt'
dataset_path = Path(args.dataset_path)
trajs = dataset_path
item_list = [] #
# filtering and combination
scenes = trajs.dirs()
scenes.sort() #blocks
scenes = scene_fileter(scenes)
for scene in scenes:
files = scene.files()
files.sort()
files = file_fileter(args.dataset_path, files, ref_df)
item_list += files
#list constructed
random.seed(args.rand_seed)
random.shuffle(item_list)
if out_num and out_num < len(item_list):
item_list = item_list[:out_num]
for i in range(len(item_list)):
item_list[i] = item_list[i].relpath(dataset_path)
length = len(item_list)
train_bound = int(length * args.proportion[0])
val_bound = int(length * args.proportion[1]) + train_bound
test_bound = int(length * args.proportion[2]) + val_bound
print(" train items:{}\n val items:{}\n test items:{}".format(
len(item_list[:train_bound]), len(item_list[train_bound:val_bound]),
len(item_list[val_bound:test_bound])))
writelines(item_list[:train_bound], train_txt_p)
writelines(item_list[train_bound:val_bound], val_txt_p)
writelines(item_list[val_bound:test_bound], test_txt_p)
def generate_failure_network2():
g = nx.read_weighted_edgelist('edgelist/ninux/0', nodetype=int)
index = 0
for i in range(10):
random.seed(1234)
bc = nx.betweenness_centrality(g)
nodes = [(k, v) for k, v in bc.items()]
nodes.sort(key=lambda x: x[1], reverse=True)
to_rem = 0
i = 0
for node in nodes:
g1 = g.copy()
to_rem = node[0]
g1.remove_node(node[0])
if nx.is_connected(g1):
print(i)
break
i += 1
g.remove_node(to_rem)
#print(nx.number_connected_components(g))
for j in range(4):
nx.write_weighted_edgelist(g, 'edgelist/testdata2/' + str(index))
nx.write_weighted_edgelist(
g, 'edgelist/testdata2/' + str(40 * 2 - 1 - index))
index += 1
def main():
args = parse_args()
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
if args.cuda and torch.cuda.is_available():
torch.cuda.manual_seed_all(args.seed)
device = torch.device("cuda" if args.cuda and torch.cuda.is_available() else "cpu")
ent2id_dict, pre_alignments, triples, pred_subjs, pred_objs, id_lists = read_data(args.file_dir, args.lang_num)
np.random.shuffle(pre_alignments)
train_pre_alignments = np.array(pre_alignments[:int(len(pre_alignments) // 1 * args.train_split)], dtype=np.int32)
test_pre_alignments = np.array(pre_alignments[int(len(pre_alignments) // 1 * args.train_split):], dtype=np.int32)
ent_num = len(ent2id_dict)
rel_num = len(pred_subjs)
config = GBertConfig(ent_num, rel_num, args.entity_embedding_dim, args.entity_embedding_dim)
adjacency_matrix = get_adjacency_matrix(ent_num, triples, norm=True).to(device)
g_bert = GBert(config).to(device)
optimizer = optim.Adagrad(g_bert.parameters(), lr=args.lr, weight_decay=args.weight_decay)
entity_indices = torch.LongTensor(np.arange(ent_num)).to(device)
for epoch in range(args.epochs):
g_bert.train()
optimizer.zero_grad()
output = g_bert(entity_indices)
# Loss function, cost function goes here
optimizer.step()
def get_filelist_dict(self, face_list):
""" Parse list of face images into a filelist dictionary
Inputs:
face_list -- a list of paths to face images (list)
Outputs:
filelists_dict -- a dictionary of image paths organized by category (dict)
"""
# -- Organize images into the appropriate categories
cats = {}
for f in face_list:
cat = "/".join(f.split('/')[:-1])
name = f.split('/')[-1]
if cat not in cats:
cats[cat] = [name]
else:
cats[cat] += [name]
# -- Shuffle the images into a new random order
filelists_dict = {}
seed = 1
for cat in cats:
filelist = cats[cat]
if self._rand_gallery:
random.seed(seed)
random.shuffle(filelist)
seed += 1
filelist = [ cat + '/' + f for f in filelist ]
filelists_dict[cat] = filelist
return filelists_dict
def fit(self, train_data):
#TO DO: Learn the parameters from the training data
self.w = [0.0] * (self.vocab_size)
self.b = 0
for x in range(0, self.mi):
#print("here")
tr_size = len(train_data[0]) #699
indices = list(range(tr_size))
random.seed(5)
np.random.shuffle(indices)
train_data = ([train_data[0][i] for i in indices],
[train_data[1][i] for i in indices])
x, y = train_data
words_bin_form = np.asarray(get_feature_vectors(x, self.binFeats))
y = np.asarray(y)
for i in range(len(words_bin_form)):
single = words_bin_form[i]
label = y[i]
gw = [0.0] * (len(words_bin_form[0]))
gb = 0
if label * (np.dot(self.w, single) + self.b) <= 1:
dg = np.multiply(-1 * label, single)
db = -1 * label
t = LA.norm(dg)
if t < 0.00001:
break
self.w = np.subtract(self.w, np.multiply(self.lr, dg))
self.b -= db * self.lr
def seedit(seed=0):
""" Fixed seed makes for repeatability, but there may be two different
random number generators involved. """
import random
import numpy
random.seed(seed)
numpy.random.seed(seed)
def parallel(index):
nb_anchors = all_parameters[index][0]
tics = all_parameters[index][1]
ga = GA(
fitness_func=Work,
n_individu=nb_ind,
CrossThreshold=0.2,
MutationThreshold=0.3,
gen=nb_gen,
dim=nb_anchors,
MAX_X=max_x,
MAX_Y=max_y,
TICS=tics
)
random.seed(index)
start = time.time()
optimal_anchors = ga.run()
end = time.time()
# getting the optimal area and the minavg from optimal anchors
l = getAllSubRegions(optimal_anchors)
optimal_areas = getDisjointSubRegions(l)
minAvgRA = getExpectation(optimal_areas)
# drawNetwork(optimal_anchors, optimal_areas, algo_="p_genetic",max_x_=max_x, max_y_=max_y)
print("**Optimal Anchor Pos.:" + str(optimal_anchors), minAvgRA)
print('Runinig Times : ' + str(round((end - start) / 60.0, 2)) + ' (min.)')
f_res = open('./TXT/p_genetic.txt', 'a')
f_res.write(str(optimal_anchors)+';'+str(minAvgRA)+';'+str(end - start)+';'+str(nb_anchors)+';'+str(tics)+'\n')
f_res.close()
def randomString(stringLength=10, n = 10):
random.seed(1)
keyVal = []
for x in range(n):
letters = string.ascii_lowercase
keyVal.append(''.join(random.choice(letters) for i in range(stringLength)))
return keyVal
def seedit(seed=0):
""" Fixed seed makes for repeatability, but there may be two different
random number generators involved. """
import random
import numpy
random.seed(seed)
numpy.random.seed(seed)
def __init__(self, environment, phase_lengths, min_phase_length, seed=0):
self.environment = environment
self.phase_lengths = phase_lengths
self.min_phase_length = min_phase_length
self.seed = seed
self.edge_lower_bounds = None # Used in context generation
np.random.seed(self.seed)
random.seed(self.seed)
def generate(self):
best_policy = None
best_reward = -float('Inf')
candidates = []
eps = 1 # equal to actions space resolution, eps is step size
pop_size = 4
cross_prob = 1
exchange_prob = 1
mutation_pob = 1
generation = 4
tmp_reward = []
tmp_policy = []
random.seed(54)
turb = 5
try:
# Agents should make use of 20 episodes in each training run, if making sequential decisions
# Define population
indv_template = DecimalIndividual(ranges=[(0, 1), (0, 1), (0, 1), (0, 1), (0, 1), (0, 1), (0, 1), (0, 1),(0, 1), (0, 1)], eps=eps)
population = Population(indv_template=indv_template, size = pop_size)
population.init() # Initialize population with individuals.
# Create genetic operators
# Use built-in operators here.
selection = RouletteWheelSelection()
crossover = UniformCrossover(pc=cross_prob, pe=exchange_prob) # PE = Gene exchange probability
mutation = FlipBitMutation(pm=mutation_pob) # 0.1 todo The probability of mutation
# Create genetic algorithm engine to run optimization
engine = GAEngine(population=population, selection=selection,
crossover=crossover, mutation=mutation,)
# Define and register fitness function
@engine.fitness_register
def fitness(indv):
p = [0 for _ in range(10)]
p = indv.solution
policy = {'1': [p[0], p[1]], '2': [p[2], p[3]], '3': [p[4], p[5]], '4': [p[6], p[7]], '5': [p[8], p[9]]}xw
reward = self.environment.evaluatePolicy(policy) # Action in Year 1 only
print('Sequential Result : ', reward)
tmp_reward.append(reward)
tmp_policy.append(policy)
tmp_single = []
return reward + uniform(-turb, turb)
# run
engine.run(ng = generation)
best_reward = max(tmp_reward)
best_policy = tmp_policy[-pop_size]
except (KeyboardInterrupt, SystemExit):
print(exc_info())
return best_policy, best_reward
def main(x):
# 1st r
random.seed(1)
l = np.asarray(x)
print(l)
_test_LDA(l)
# 2nd method
#another_method()
jaccard(int(l[0]))
def querry(self, bt, tt):
if not self.noise_amp:
for i in range(bt, tt):
yield self.reconstituted_wf[i % self.win_size]
else:
# a random seed is chosen for each i, this allows for consistency between queries
# the drawback is that it slows down the iterator quite a bit: 30 times slower for 1 millions samples
for i in range(bt, tt):
random.seed(a=i)
noise = random.random() * self.noise_amp
yield self.reconstituted_wf[i % self.win_size] + noise
def _set_seed(seed: int) -> None:
"""
Set experiment seed.
Args:
seed: seed
"""
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
np.random.seed(seed)
random.seed(seed)
def get_initial_centers_from_data_set(data, k):
if CHOOSE_INITIAL_CENTERS_RANDOMLY:
random.seed(8)
return np.array(random.choices(data, k=k), dtype=np.float64)
min_point = data.min(0)
max_point = data.max(0)
centers = []
for i in range(k):
centers.append(min_point + (max_point - min_point) / k)
return centers
def __init__(self,
G,
expRate,
infRate,
recRate,
rngSeed=None,
tallyFuncs=None,
logSim=False):
self.G = G
self.expRate = expRate
self.infRate = infRate
self.recRate = recRate
self.tallyFuncs = tallyFuncs
self.logSim = logSim
self.rngSeed = rngSeed
self.nodeStates = np.zeros(len(G.nodes()))
self.exposedList = []
self.infectiousList = []
self.siList = []
if not self.rngSeed is None:
random.seed(self.rngSeed)
#Mark a single node as infectious
validSourceNodes = np.where(self.nodeStates == 0)
sourceNode = choice(validSourceNodes[0])
self.sourceNode = sourceNode
self.nodeStates[sourceNode] = 2
self.infectiousList.append(sourceNode)
for edge in G.edges(sourceNode):
if self.nodeStates[edge[1]] == 0:
self.siList.append(edge)
#A list of simulation state arrays
if self.logSim:
self.simStates = []
self.simState = [self.nodeStates.copy(), self.siList.copy()]
self.simStates.append(self.simState)
self.t = 0
self.useTally = not tallyFuncs is None
if (self.useTally):
self.tallyStats = []
self.recordTallyStats()
def genId(nodeIdList):
collisionCheck = []
#generation of ids is the privilege of the initiator only
if(Initiator == True):
#generate rand id for every node in nodelist
for node in nodeIdList:
random.seed([node.ip_addr])
node.id = randint(9,10000000)
#if the random number has already been generated
while node.id in collisionCheck:
node.id = randint(1000,10000000)
#append the newly generated unique id to the list
collisionCheck.append(node.id)
return nodeIdList
def act_as_baboon(my_id, init_side):
side = init_side
random.seed(my_id)
global westers
global easters
for i in xrange(NUM_CROSSINGS):
print (side)
print (westers)
print (easters)
if side == 0:
westqueue.acquire()
else:
eastqueue.acquire()
with mutex:
if (easters > westers) or (westers <= 0):
#print ("east")
eastqueue.release()
elif (easters <= westers) or (easters <= 0):
westqueue.release()
#print ("west")
#print("Got here")
with turnstile:
switches[side].lock(rope)
with multiplex:
sleep(random.random()) # crossing; Seeded random number
switches[side].unlock(rope)
with mutex2:
if side == 0:
easters += 1
westers -= 1
else:
westers += 1
easters -= 1
side = 1 - side
if (easters > westers) or (westers <= 0):
#print ("east")
eastqueue.release()
elif (easters <= westers) or (easters <= 0):
westqueue.release()
#print ("west")
#print("Got to run")
print ("Baboon %d finished" % my_id)
def generate_failure_network():
g = nx.read_weighted_edgelist('edgelist/ninux/0', nodetype=int)
index = 0
for i in range(10):
random.seed(1234)
bc = nx.betweenness_centrality(g)
max_node = (max(bc, key=bc.get))
nodes = [(k, v) for k, v in bc.items()]
nodes.sort(key=lambda x: x[1], reverse=True)
node_key = nodes[15:25][random.randint(0, 10)][0]
g.remove_node(node_key)
#print(nx.number_connected_components(g))
for j in range(4):
nx.write_weighted_edgelist(g, 'edgelist/testdata/' + str(index))
nx.write_weighted_edgelist(
g, 'edgelist/testdata/' + str(40 * 2 - 1 - index))
index += 1
def _gen_filenames(self):
"""
返回要处理的文件的文件名
:return: filenames list
"""
filenames = tf.gfile.Glob(self.glob)
# Shuffle the ordering of all image files in order to guarantee
# random ordering of the images with respect to label in the
# saved TFRecord files. Make the randomization repeatable.
if self.shuffle:
shuffled_index = list(range(len(filenames)))
random.seed(12345)
random.shuffle(shuffled_index)
filenames = [filenames[i] for i in shuffled_index]
print('Found %d files ' % len(filenames))
return filenames
def load_data(img_rows, img_cols):
# img_rows, img_cols = 336, 456
datPaths = []
for root, dirs, files in os.walk(r"data/train", topdown=False):
for name in files:
if (name != ".DS_Store"):
l = os.path.join(root, name)
datPaths.append(l)
for name in dirs:
print(os.path.join(root, name))
datPaths = sorted(datPaths)
random.seed(2020)
random.shuffle(datPaths)
print(datPaths[0])
#
data = []
for imagePath in datPaths:
image = cv2.imread(imagePath, cv2.IMREAD_GRAYSCALE)
image = cv2.resize(image, (img_cols, img_rows))
data.append(image)
data = np.array(data, dtype="float")
print(data.shape)
print("[INFO] data matrix: {:.2f}MB".format(data.nbytes / (1024 * 1000.0)))
train_data = data
print(train_data.shape[0], ' samples')
# 测试数据
X_train = train_data.astype('float32')
print('X_train shape:', X_train.shape)
print(X_train[0], 'train samples')
X_train = (X_train - 127.5) / 127.5
X_train = X_train.reshape(-1, img_rows, img_cols, 1)
print(X_train.shape, 'X_train.shape')
return X_train
from datetime import datetime
from csv import DictReader
from math import exp, log, sqrt
from random import random,shuffle
import pickle
import sys
from ngram import getUnigram
import string
import random
from config import path
import networkx as nx
seed =1024
random.seed(seed)
def prepare_graph(paths):
G = nx.Graph()
pr_dict = dict()
for path in paths:
print(path)
c = 0
start = datetime.now()
for t, row in enumerate(DictReader(open(path), delimiter=',')):
if c%100000==0:
print('finished',c)
q1 = str(row['question1_hash'])
q2 = str(row['question2_hash'])
G.add_edge(q1,q2)
c+=1
from matplotlib.animation import FuncAnimation
from PIL import Image as im
import matplotlib.pyplot as plt
import numpy as np
import cv2
import time
import os
import sys
import tkinter as tk
from datetime import datetime
from random import random
from graphics import *
from particle import *
import threading
random.seed(datetime.now())
img_dir = "imgs/"
def bounce(particles):
color = ["white", "green", "yellow", "red", "blue", "orange", "pink"]
for i in range(100):
xi = engine.width / 2
yi = engine.width / 2
dxi = random.randint(-10, 10) * random.random()
dyi = random.randint(-10, 10) * random.random()
r = random.randint(0, 5)
ball = Particle(engine.canvas,
def _generate_vals(count, token):
random.seed(token)
return random.shuffle([1 for __ in range(count // 2)] + [-1 for __ in range(count // 2)])
for i in range(N):
r = random()
n = randint(0, V // 2) # 在个体的前半段随机选取一个点进行变异
m = randint(V // 2, V - 1) # 在个体的后半段随机选取一个点进行变异
if r <= belta:
if population[i][n] + 1 <= max_num:
population[i][n] = population[i][n] + 1 # 整数编码,随机+1或者减1
if population[i][m] - 1 >= 0:
population[i][m] = population[i][m] - 1
for i in range(N):
m = len(set(population[i]))
# print(m)
if m < V:
# print(population[i],old_population[i])
population[i] = old_population[i]
# 以下是测试用例
if __name__ == "__main__":
from numpy import random
random.seed(0)
xN = 5
yN = 3
belta = 1
p = population(4, 7)
print(p)
mutation(p, belta, 29)
print(p)
device = torch.device("cpu")
if not os.path.exists(save_path):
os.makedirs(save_path)
if not os.path.exists(hyp_path):
os.makedirs(hyp_path)
if not os.path.exists(ref_path):
os.makedirs(ref_path)
print('load training data.')
attnmap_type = args.alternative_attnmap
print('Alternative attention type: %s' % (attnmap_type))
if args.num_train_data != None:
all_files = sorted(os.listdir(inputs_dir))
random.seed(args.random_seed)
idx = [
random.randint(0,
len(all_files) - 1)
for i in range(0, args.num_train_data)
]
idx = [0]
print(idx)
inputs_dir = [inputs_dir + '/' + all_files[i] for i in idx]
warmup_steps = 1000 * args.num_train_data // (batch_size) * 2
print('Warmup steps: %d' % (warmup_steps))
train = SummarizationDataset(inputs_dir,
is_test=False,
dataset_type='train',
dataset=args.dataset,
def set_seed(args):
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
if args.n_gpu > 0:
torch.cuda.manual_seed_all(args.seed)
def main(start_time):
random.seed(1000)
count1 = -1
best_sw_archive = []
nodes = create_nodes() # create mesh
links = create_mesh() # create mesh
traffic = load_traffic() # load benchmark
mesh_mean, mesh_dev = calc_params(nodes, links, traffic)
elapsed = timeit.default_timer() - start_time
best_sw = [1, 1, deepcopy(nodes), deepcopy(links), elapsed] # normalizing
amosa_flag = 1
for i in range(0, 5):
v = random.randint(0, 10)
for j in range(0, v):
nodes, links = perturb(nodes, links)
tm, td, = calc_params(nodes, links, traffic)
tm = tm / mesh_mean
td = td / mesh_dev
elapsed = timeit.default_timer() - start_time
sw = [tm, td, deepcopy(nodes), deepcopy(links), elapsed]
best_sw_archive.append(sw) # initializing the archive
################################################ Enter AMOSA ############################################
temp=500
z = 0
el = timeit.default_timer() - start_time
x = int((el / 1200) + 1) * 1200
while 1:
temp=temp*0.95
### cluster/prune if size becomes too big
score=[]
for i in range(0,len(best_sw_archive)):
s=best_sw_archive[i][0]*0.7+best_sw_archive[i][1]*0.3 #custom scoring
score.append(s)
if len(best_sw_archive) > 30:
b_num = numpy.array(score)
b_ind = b_num.argsort()[:20] # index of lowest 20 phv
reduced_archive = []
for i in range(0, len(b_ind)):
reduced_archive.append(deepcopy(best_sw_archive[b_ind[i]]))
best_sw_archive = deepcopy(reduced_archive)
### terminate
z = z + 1
if z == 2500: ## put stop condition here, currently just letting it run for ~infinity
quit(0)
r = random.randint(0, len(best_sw_archive) - 1)
best_sw = deepcopy(best_sw_archive[r]) # best_sw is the randomly picked current pt
for i in range(0, 500): # make num_iter perturbations
### print out after some time e.g. every ~20 mins
el = timeit.default_timer() - start_time
if el > x:
x=x+1200
max_print=-1
if len(best_sw_archive)>10:
max_print=10
else:
max_print=len(best_sw_archive)
for k in range(0, max_print): #printing to file
count1=count1+1
text_file = open("Output" + str(count1) + ".txt", "w")
text_file.write("mean= %f \n" % best_sw_archive[k][0])
text_file.write("dev= %f \n" % best_sw_archive[k][1])
text_file.write("timestamp= %f \n" % best_sw_archive[k][4])
for asd in range(0, 64):
text_file.write("%s, " % best_sw_archive[k][2][asd])
if asd % 16 == 15:
text_file.write("\n")
text_file.write("\n")
for asd in range(0, 64):
for j in range(0, 64):
text_file.write("%d, " % best_sw_archive[k][3][asd][j])
text_file.write("\n")
text_file.close()
nodes = deepcopy(best_sw[2])
links = deepcopy(best_sw[3])
### do perturbation
nodes, links = perturb(nodes, links)
tm, td = calc_params(nodes, links, traffic)
tm = tm / mesh_mean
td = td / mesh_dev
elapsed = timeit.default_timer() - start_time
new_sw = [tm, td, deepcopy(nodes), deepcopy(links), elapsed]
# check dominance
if best_sw[0] < new_sw[0] and best_sw[1] < new_sw[1]: # current point dominates new point
d=0
c1=0
for i in range(0,len(best_sw_archive)):
d_temp=delta_dom(best_sw_archive[i], new_sw)
if (d_temp!=0):
c1=c1+1
d = d+d_temp
d=d+delta_dom(best_sw,new_sw)
d_avg=d/(c1+1)
m_factor=0
if d_avg*temp>5:
m_factor=5
else:
m_factor=d_avg*temp
prob = float(1 / (1+2.718**m_factor))
rp = random.random()
if rp < prob: # set new point as current point
best_sw = deepcopy(new_sw)
elif new_sw[0] < best_sw[0] and new_sw[1] < best_sw[1]: # new point dominates current point
d=0
for j in range(0,len(best_sw_archive)):
archive_point=[best_sw_archive[j][0],best_sw_archive[j][1]]
new_point=[new_sw[0],new_sw[1]]
if(dominates(archive_point,new_point,0)):
d=d+1
if d > 1: # new point dominated by k points in archive
min1=999
ind_min1=-1
for j in range(0, len(best_sw_archive)):
archive_point = [best_sw_archive[j][0], best_sw_archive[j][1]]
new_point = [new_sw[0], new_sw[1]]
if (dominates(archive_point, new_point, 0)):
dom=delta_dom(archive_point,new_point)
if dom<min1:
min1=dom
ind_min1=j
prob = float(1 / (2.718**(-min1)))
rp=random.random()
if rp < prob: # set new point as current point
best_sw = deepcopy(best_sw_archive[ind_min1])
else:
best_sw = deepcopy(new_sw)
else: # new point either dominates or non-dominates other points
# anyone that is dominated by new point is bad
temp_archive = []
for j in range(0, len(best_sw_archive)):
if not (new_sw[0] < best_sw_archive[j][0] and new_sw[1] < best_sw_archive[j][1]): # new point does not dominate these archive points
temp_archive.append(deepcopy(best_sw_archive[j]))
best_sw_archive = deepcopy(temp_archive)
best_sw_archive.append(deepcopy(new_sw))
best_sw = deepcopy(new_sw)
else: # non-dominance stand-off
d = 0
for j in range(0, len(best_sw_archive)):
archive_point = [best_sw_archive[j][0], best_sw_archive[j][1]]
new_point = [new_sw[0], new_sw[1]]
if (dominates(archive_point, new_point, 0)):
d = d + 1
if d > 1: # new point dominated by k points in archive
sum1=0
for i in range(0,len(best_sw_archive)):
archive_point = [best_sw_archive[j][0], best_sw_archive[j][1]]
new_point = [new_sw[0], new_sw[1]]
if (dominates(archive_point, new_point, 0)):
sum1=sum1+delta_dom(archive_point,new_point)
sum1=sum1/d #delta_dom_avg
m_factor=0
if sum1*temp>5:
m_factor=5
else:
m_factor=sum1*temp
prob = float(1 / (1+2.718**(m_factor)))
rp=random.random()
if rp < prob: # set new point as current point
best_sw = deepcopy(new_sw)
else: # new point either dominates or non-dominates other points
# anyone that is dominated by new point is bad
temp_archive = []
for j in range(0, len(best_sw_archive)):
if not (new_sw[0] < best_sw_archive[j][0] and new_sw[1] < best_sw_archive[j][1]): # new point does not dominate these archive points
temp_archive.append(deepcopy(best_sw_archive[j]))
best_sw_archive = deepcopy(temp_archive)
best_sw_archive.append(deepcopy(new_sw))
best_sw = deepcopy(new_sw)
def perform(self,
num_days,
learner_type,
context_structure=None,
lower_bound_type=LowerBoundType.Hoeffding,
context_generation_every_day=-1,
debug_info=False,
monitoring_on=True):
if debug_info:
print("\n--------- Starting experiment with " + learner_type.name +
" ---------")
self.environment.restore(
) # Restore the environment (so that randomization doesn't affect different algorithms)
np.random.seed(self.seed)
random.seed(self.seed)
###############################################
# Setup the experiment
###############################################
# Setup the context
day_length = sum(self.phase_lengths)
if context_structure == None:
context_structure = [day_length]
# Instatiate DDA class with the selected matching algorithm
Dda = DDA(Hungarian_algorithm())
# Instantiate the main Graph
graph = Graph()
# Setup the monitoring for the experiment
monitor = ExperimentMonitor(num_days, day_length, monitoring_on)
###############################################
# Utility functions (NOTE: some are implemented as clojures)
###############################################
# Build the Class_Algos from the ids of the Class_Envs (given a context structure)
def build_contextualized_algo_classes(context_structure):
contextualized_algo_classes = {
} # Dictionary to map rounds to corresponding algo_class (when using context)
for (context_id, context) in enumerate(context_structure):
left_classes_ids = [
c.id for c in self.environment.classes[0] if c.is_left
]
right_classes_ids = [
c.id for c in self.environment.classes[0] if not c.is_left
]
algo_classes = [
Class_Algo(id, True) for id in left_classes_ids
] + [Class_Algo(id, False) for id in right_classes_ids]
for i in left_classes_ids:
for j in right_classes_ids:
distribution = Beta(
) if learner_type == LearnerType.ThompsonSampling else UCB1(
)
class_edge = Class_Algo_Edge(distribution)
l_class = [c for c in algo_classes if c.id == i][0]
r_class = [c for c in algo_classes if c.id == j][0]
l_class.set_edge_data(r_class, class_edge)
r_class.set_edge_data(l_class, class_edge)
for i in range(context):
round_id = i + sum(context_structure[:context_id])
contextualized_algo_classes[round_id] = algo_classes
return contextualized_algo_classes
def get_algo_class(contextualized_algo_classes, class_id, round_id):
return [
c for c in contextualized_algo_classes[round_id]
if c.id == class_id
][0]
def get_env_class(class_id, phase_id):
return [
c for c in self.environment.classes[phase_id]
if c.id == class_id
][0]
def update_UCB1_current_time(contextualized_algo_classes,
iteration_number):
for algo_classes in contextualized_algo_classes.values():
for c in algo_classes:
for ed in c.edge_data.values():
ed.distribution.current_time = iteration_number
def is_beginning_of_context(round_id, context_structure):
if len(context_structure) <= 1:
return False
for context in context_structure:
if round_id == 0:
return True
round_id -= context
return False
###############################################
# Main experiment loop
###############################################
contextualized_algo_classes = build_contextualized_algo_classes(
context_structure)
rewards_by_context = {
} # Save all the reward data with context labels (i.e. round_id and class_id pair)
all_rewards = []
iteration_number = 0
for day in range(num_days): # For every day the experiment is run
if debug_info:
print("------ Day " + str(day + 1) + " ------")
round_id = 0
for (phase_id, phase_length) in enumerate(
self.phase_lengths): # For every phase of the day
# print("---- Phase " + str(phase_id + 1) + " ----")
for _ in range(phase_length): # For every round in the phase
# print("-- Round " + str(round_id) + " --")
iteration_number += 1
round_reward = 0
# Sample new nodes from the environment
new_nodes = self.environment.get_new_nodes(phase_id)
# Experiment monitoring
monitor.new_nodes_added(day, round_id, new_nodes)
# Add those new nodes to the graph (mapping the id returned by the environment into the correct Class_Algo)
for (class_id, time_to_stay) in new_nodes:
node_class = get_algo_class(
contextualized_algo_classes, class_id, round_id)
graph.add_node(node_class, time_to_stay)
# Experiment monitoring
monitor.graph_size_pre_matching(day, round_id,
len(graph.nodes),
len(graph.edges))
# Update the distribution used by each edge to match the current context structure
if len(context_structure) > 1 and learner_type in [
LearnerType.ThompsonSampling, LearnerType.UCB1
]:
for node in graph.nodes:
node_class = get_algo_class(
contextualized_algo_classes,
node.node_class.id, round_id)
node.node_class = node_class
# Update the estimates of the weights of the graph
if learner_type == LearnerType.ThompsonSampling:
# beta sample
graph.update_weights(
is_beginning_of_context(round_id,
context_structure))
elif learner_type == LearnerType.UCB1:
# UCB1 bound
update_UCB1_current_time(contextualized_algo_classes,
iteration_number)
graph.update_weights(
is_beginning_of_context(round_id,
context_structure))
elif learner_type == LearnerType.Clairvoyant:
# Update the clairvoyant graph with the real weights
for edge in graph.edges:
node1_env_class = get_env_class(
edge.node1.node_class.id, phase_id)
edge_data = node1_env_class.edge_data[
edge.node2.node_class.id]
edge.weight = edge_data.weight_distribution.p * edge_data.constant_weight
elif learner_type == LearnerType.ContextEvaluation:
# Update the graph with the Hoeffding lower bound estimated from old data
for edge in graph.edges:
edge_context = (round_id,
min(edge.node1.node_class.id,
edge.node2.node_class.id),
max(edge.node1.node_class.id,
edge.node2.node_class.id))
lower_bound = self.edge_lower_bounds[edge_context]
edge.weight = lower_bound
# Whenever a node is going to exit the experiment run the DDA (Deferred Dynamic Acceptance) algorithm
if len(graph.edges) > 0 and Dda.is_there_critical_node(
graph.nodes):
matching_edges, full_matching_edges = Dda.perform_matching(
graph)
# Experiment monitoring
monitor.matching_performed(day, round_id,
matching_edges,
full_matching_edges)
# Given the results of DDA (if and what nodes to match), actually perform the matching
for edge in matching_edges:
if learner_type in [
LearnerType.ThompsonSampling,
LearnerType.UCB1
]:
# Draw rewards and update distributions for each matching performed
matching_result, matching_weight = self.environment.get_reward(
edge.node1.node_class.id,
edge.node2.node_class.id, phase_id)
reward = matching_result * matching_weight
# Experiment monitoring
monitor.reward_collected(
day, round_id, phase_id,
edge.node1.node_class.id,
edge.node2.node_class.id, matching_result,
matching_weight)
# Save contextualized reward
reward_context = (
round_id,
min(edge.node1.node_class.id,
edge.node2.node_class.id),
max(edge.node1.node_class.id,
edge.node2.node_class.id))
if reward_context not in rewards_by_context:
rewards_by_context[reward_context] = []
rewards_by_context[reward_context].append(
(matching_result, matching_weight))
elif learner_type in [
LearnerType.Clairvoyant,
LearnerType.ContextEvaluation
]:
# For clairvoyant algorithms there is no need to sample rewards from the environment
reward = edge.weight
# Experiment monitoring
monitor.reward_collected(
day, round_id, phase_id,
edge.node1.node_class.id,
edge.node2.node_class.id, 1, reward)
round_reward += reward
node1_class = get_algo_class(
contextualized_algo_classes,
edge.node1.node_class.id, round_id)
edge_data = node1_class.edge_data[
edge.node2.node_class.id]
if learner_type == LearnerType.ThompsonSampling:
# TS update
edge_data.distribution.update_parameters(
[matching_result, 1 - matching_result])
# Update estimate of constant weight
edge_data.update_estimated_weight(
matching_weight)
elif learner_type == LearnerType.UCB1:
# UCB1 update
edge_data.distribution.update_parameters(
matching_result)
# Update estimate of constant weight
edge_data.update_estimated_weight(
matching_weight)
# Remove matched nodes from the graph
graph.remove_node(edge.node1)
graph.remove_node(edge.node2)
# Run the end_round routine of the graph, to update the time_to_stay for each node
graph.end_round_routine()
# Experiment monitoring
monitor.graph_size_post_matching(day, round_id,
len(graph.nodes),
len(graph.edges))
all_rewards.append(round_reward)
round_id += 1
# End of phase
# Context generation
if context_generation_every_day > 0 and (
day + 1) % context_generation_every_day == 0:
if debug_info:
print(
"----- Generating new optimal context structure -----")
all_context_structures = generate_context_structures(
day_length, self.min_phase_length)
env_copy = self.environment.copy()
context_generation_exp = Experiment(env_copy,
self.phase_lengths,
self.min_phase_length)
def evaluate_context_structure(context_structure):
# Build lower bounds on expected reward per edge
left_classes_ids = [
c.id for c in env_copy.classes[0] if c.is_left
]
right_classes_ids = [
c.id for c in env_copy.classes[0] if not c.is_left
]
context_generation_exp.edge_lower_bounds = {}
for (context_id, context) in enumerate(context_structure):
for left_id in left_classes_ids:
for right_id in right_classes_ids:
rewards = []
for i in range(context):
round_id = i + sum(
context_structure[:context_id])
context_key = (round_id,
min(left_id, right_id),
max(left_id, right_id))
if context_key in rewards_by_context:
rewards += rewards_by_context[
context_key]
if len(rewards) > 0:
# Hoeffding lower bound
bernoulli_rewards = list(
map(lambda el: el[0], rewards))
weight_rewards = list(
map(lambda el: el[1], rewards))
bernoulli_mean = np.mean(bernoulli_rewards)
weight_mean = np.mean(weight_rewards)
hoeffding_bound = np.sqrt(
-np.log(0.05) /
(2 * len(bernoulli_rewards)))
# Gaussian lower bound
full_rewards = list(
map(lambda el: el[0] * el[1], rewards))
mean_reward = np.mean(full_rewards)
reward_std = np.std(full_rewards)
n = len(full_rewards)
z = 1.96 # for a 95% confidence interval
gaussian_bound = mean_reward - (
z * (reward_std / np.sqrt(n)))
# Gaussian lower bound on weight
gaussian_weight_bound = weight_mean - (
z *
(np.std(weight_rewards) / np.sqrt(n)))
if lower_bound_type == LowerBoundType.Hoeffding:
total_lower_bound = weight_mean * (
bernoulli_mean - hoeffding_bound)
elif lower_bound_type == LowerBoundType.Gaussian:
total_lower_bound = gaussian_bound
elif lower_bound_type == LowerBoundType.Hybrid:
total_lower_bound = gaussian_weight_bound * (
bernoulli_mean - hoeffding_bound)
total_lower_bound = max(
0, total_lower_bound)
else:
total_lower_bound = 0 # minus infinity
for i in range(context):
round_id = i + sum(
context_structure[:context_id])
context_key = (round_id,
min(left_id, right_id),
max(left_id, right_id))
context_generation_exp.edge_lower_bounds[
context_key] = total_lower_bound
rewards, _ = context_generation_exp.perform(
day + 1,
LearnerType.ContextEvaluation,
context_structure,
monitoring_on=False)
if debug_info:
print("-- Context structure " +
str(context_structure) +
" has an expected reward of " +
str(sum(rewards)))
return sum(rewards)
best_context_structure = max(all_context_structures,
key=evaluate_context_structure)
context_structure = best_context_structure
if debug_info:
print("Best context structure is " +
str(best_context_structure))
# Experiment monitoring
monitor.context_generation_performed(day,
best_context_structure)
contextualized_algo_classes = build_contextualized_algo_classes(
best_context_structure)
# Re-feed old data to the newly built algo_classes
for ((round_id, left_class_id, right_class_id),
results) in rewards_by_context.items():
for (matching_result, matching_weight) in results:
left_class = get_algo_class(
contextualized_algo_classes, left_class_id,
round_id)
edge_data = left_class.edge_data[right_class_id]
if learner_type == LearnerType.ThompsonSampling:
# TS update
edge_data.distribution.update_parameters(
[matching_result, 1 - matching_result])
elif learner_type == LearnerType.UCB1:
# UCB1 update
edge_data.distribution.update_parameters(
matching_result)
edge_data.update_estimated_weight(matching_weight)
# End of day
return all_rewards, monitor
def __init__(self):
random.seed()
self.hypha = []
def _attack(self, manager, turn):
random.seed(str(manager.json) + str(turn))
if random() < self._percent_chance_attack:
self.bucket.attacked = True
# http://www.coppeliarobotics.com/helpFiles/en/remoteApiConstants.htm
opmode = vrep.simx_opmode_oneshot_wait
# Try to retrieve motors and robot handlers
# http://www.coppeliarobotics.com/helpFiles/en/remoteApiFunctionsPython.htm#simxGetObjectHandle
ret1, wristHandle = vrep.simxGetObjectHandle(clientID, "WristMotor",
opmode)
ret2, elbowHandle = vrep.simxGetObjectHandle(clientID, "ElbowMotor",
opmode)
ret3, shoulderHandle = vrep.simxGetObjectHandle(clientID, "ShoulderMotor",
opmode)
ret4, robotHandle = vrep.simxGetObjectHandle(clientID, "2W1A", opmode)
# If handlers are OK, execute three random simulations
if ret1 == 0 and ret2 == 0 and ret3 == 0:
random.seed()
for i in range(0, 3):
# Start the simulation
# http://www.coppeliarobotics.com/helpFiles/en/remoteApiFunctionsPython.htm#simxStartSimulation
vrep.simxStartSimulation(clientID, opmode)
print("----- Simulation started -----")
# Start getting the robot position
# Unlike other commands, we will use a streaming operating mode
# http://www.coppeliarobotics.com/helpFiles/en/remoteApiFunctionsPython.htm#simxGetObjectPosition
pret, robotPos = vrep.simxGetObjectPosition(
clientID, robotHandle, -1, vrep.simx_opmode_streaming)
print ("2w1a position: (x = " + str(robotPos[0]) +\
", y = " + str(robotPos[1]) + ")")
# Start getting the robot orientation
def train(self, epochs=1, log_dir='log', dataset_split=0.1):
# tokenizer
self.tokenizing(mode='train', dataset_split=dataset_split)
writer = SummaryWriter(log_dir)
model = self.model
optimizer = AdamW(model.parameters(), lr=3e-5, eps=1e-8)
# 총 훈련 스텝 : 배치반복 횟수 * 에폭
total_steps = len(self.train_dataloader) * epochs
# 학습률을 조금씩 감소시키는 스케줄러 생성
scheduler = get_linear_schedule_with_warmup(
optimizer, num_warmup_steps=0, num_training_steps=total_steps)
# 재현을 위해 랜덤시드 고정
seed_val = 42
random.seed(seed_val)
np.random.seed(seed_val)
torch.manual_seed(seed_val)
torch.cuda.manual_seed_all(seed_val)
# 그래디언트 초기화
model.zero_grad()
# 에폭만큼 반복
for epoch_i in range(0, epochs):
print("")
print('======== Epoch {:} / {:} ========'.format(
epoch_i + 1, epochs))
print('Training...')
t0 = time.time()
total_loss = 0
train_accuracy, nb_train_steps = 0, 0
model.train()
# 데이터로더에서 배치만큼 반복하여 가져옴
for step, batch in enumerate(self.train_dataloader):
# 경과 정보 표시
if step % 100 == 0 and not step == 0:
elapsed = format_time(time.time() - t0)
print(
' Batch {:>5,} of {:>5,}. Elapsed: {:}.'.format(
step, len(self.train_dataloader), elapsed))
batch = tuple(t.to(self.device) for t in batch) # 배치를 GPU에 넣음
b_input_ids, b_input_mask, b_labels = batch # 배치에서 데이터 추출
outputs = model(b_input_ids,
token_type_ids=None,
attention_mask=b_input_mask,
labels=b_labels) # Forward 수행
loss = outputs[0] # 로스 구함
total_loss += loss.item() # 총 로스 계산
loss.backward() # Backward 수행으로 그래디언트 계산
torch.nn.utils.clip_grad_norm_(model.parameters(),
1.0) # 그래디언트 클리핑
optimizer.step() # 그래디언트를 통해 가중치 파라미터 업데이트
scheduler.step() # 스케줄러로 학습률 감소
model.zero_grad() # 그래디언트 초기화
##accuracy
logits = outputs[1]
# CPU로 데이터 이동
logits = logits.detach().cpu().numpy()
label_ids = b_labels.to('cpu').numpy()
# 출력 로짓과 라벨을 비교하여 정확도 계산
train_accuracy += flat_accuracy(logits, label_ids)
nb_train_steps += 1
# 평균 로스 계산
avg_train_loss = total_loss / len(self.train_dataloader)
print("")
print(" Train loss: {0:.2f}, Train Accuracy: {1:.2f}".format(
avg_train_loss, train_accuracy / nb_train_steps))
print(" Training epcoh took: {:}".format(
format_time(time.time() - t0)))
# ========================================
# Validation
# ========================================
print("")
print("Running Validation...")
t0 = time.time()
model.eval()
# 변수 초기화
eval_loss, eval_accuracy = 0, 0
nb_eval_steps = 0
labels_accuracy, preds_accuracy = [], []
# 데이터로더에서 배치만큼 반복하여 가져옴
for batch in self.validation_dataloader:
batch = tuple(t.to(self.device) for t in batch)
b_input_ids, b_input_mask, b_labels = batch
with torch.no_grad():
outputs = model(b_input_ids,
token_type_ids=None,
attention_mask=b_input_mask)
logits = outputs[0]
# CPU로 데이터 이동
logits = logits.detach().cpu().numpy()
label_ids = b_labels.to('cpu').numpy()
# 출력 로짓과 라벨을 비교하여 정확도 계산
tmp_eval_accuracy = flat_accuracy(logits, label_ids)
eval_accuracy += tmp_eval_accuracy
nb_eval_steps += 1
labels_accuracy.append(label_ids.flatten())
preds_accuracy.append(np.argmax(logits, axis=1).flatten())
print(" Validation Accuracy: {0:.2f}".format(eval_accuracy /
nb_eval_steps))
print(" Validation took: {:}".format(format_time(time.time() -
t0)))
# precision and recall
labels_accuracy = [y for x in labels_accuracy
for y in x] # list flatten
preds_accuracy = [y for x in preds_accuracy for y in x]
print(classification_report(labels_accuracy, preds_accuracy))
writer.add_scalar('Avg_loss(training)', avg_train_loss,
epoch_i + 1)
writer.add_scalars(
'Accuracy', {
'Train': train_accuracy / nb_train_steps,
'Val': eval_accuracy / nb_eval_steps
}, epoch_i + 1)
if (epoch_i + 1) % 3 == 0 and (
epoch_i + 1) != epochs: ##마지막 iteration은 아래에서 수행.
save_path = os.path.join(self.save_path, str(epoch_i + 1))
if not os.path.exists(save_path): os.makedirs(save_path)
model.save_pretrained(save_path)
print("")
print("Training complete!")
writer.close()
save_path = os.path.join(self.save_path, str(epochs))
if not os.path.exists(save_path): os.makedirs(save_path)
model.save_pretrained(save_path)
def make_ssa_synthetic(fname='data/Baby-Names-SSA.csv'):
# Repeatable random
import random
random.seed(1)
# Date for age calculation
now = 2020
# Population adjustment by year in 20Ms
population = np.linspace(5, 16, 100)
years = np.linspace(1919, 2018, 100, dtype=int)
year_to_pop = dict(zip(years, population))
# Rank to count
rank_to_freq = {'1': 1.0, '2': 0.9, '3': 0.8,
'4': 0.7, '5': 0.6}
# Read the rank popularity of names by year
df = pd.read_csv('data/Baby-Names-SSA.csv')
df = df.set_index('Year').sort_index()
unstack = df.unstack()
# Random features
colors = ('Red', 'Green', 'Blue',
'Yellow', 'Purple', 'Black')
flowers = ('Daisy', 'Orchid', 'Rose',
'Violet', 'Lily')
# Python list-of-lists to construct new data
rows = []
for (rank_gender, year), name in unstack.iteritems():
rank, gender = rank_gender
age = now - year
count = int(year_to_pop[year] *
rank_to_freq[rank])
for _ in range(count):
color = random.choice(colors)
flower = random.choice(flowers)
rows.append(
(age, gender, name, color, flower))
df = pd.DataFrame(rows)
df.columns = ('Age', 'Gender', 'Name',
'Favorite_Color', 'Favorite_Flower')
df = df.sample(frac=0.8, random_state=1)
df.to_parquet('data/usa_names_all.parq', index=False)
# Add age-correlated flower preference
old = df[df.Age > 70].sample(frac=0.2, random_state=1)
df.loc[old.index, 'Favorite_Flower'] = 'Orchid'
young =df[df.Age < 30].sample(frac=0.1, random_state=1)
df.loc[young.index, 'Favorite_Flower'] = 'Rose'
# Make some data missing selectively by age
# Missing color for all but forty 30-40 yos
drop = df[(df.Age > 30) & (df.Age <= 40)].index[:-40]
df.loc[drop, 'Favorite_Color'] = None
# Missing flower for all but forty 20-30 yos
drop = df[(df.Age > 20) & (df.Age <= 30)].index[:-40]
df.loc[drop, 'Favorite_Flower'] = None
# Jumble the order but keep all rows then write
df = df.sample(frac=1.0, random_state=1)
df.to_parquet('data/usa_names.parq', index=False)
def fibonacci_sphere(samples, rseed):
# http://stackoverflow.com/a/26127012/1243487
rnd = 5.
random.seed(rseed)
rnd = random.random() * samples
# maximum number of terms in q0
MAX_SEQUENCE_LENGTH = 15
WORD_EMBEDDING_PATH = "wsj-collection-vectors"
METRIC = " -mMAP@40"
annealing_steps = 10000.
start_eps = 1.0
end_eps = 0.1
eps = start_eps
stepDrop = (start_eps - end_eps) / annealing_steps
PADDING = np.zeros(WORD_VECTOR_DIMENSIONS)
random.seed(500)
# HYPERPARAMETERS:
atire.init("atire -a " + ASSESSMENT_FILE + METRIC)
def write_to_file(filename, information):
"""
:param filename:
:param v: a 2d list of training information
:return:
"""
with open(filename, "a") as f:
message = ""
for row in information:
def _generate_indices(bound, count, token):
random.seed(token)
return random.sample(range(bound), count)
def __getitem__(self, idx):
random.seed(a=idx)
return self.reconstituted_wf(idx % self.win_size) + random.random() * self.noise_amp
for stat, value in data.items():
sampled_data[stat] = "{0}|@{1}".format(value, sample_rate)
return sampled_data
return {}
@staticmethod
def send(_dict, addr):
"""
Sends key/value pairs via UDP.
>>> StatsdClient.send({"example.send":"11|c"}, ("127.0.0.1", 8125))
"""
# TODO(rbtz@): IPv6 support
udp_sock = socket(AF_INET, SOCK_DGRAM)
# TODO(rbtz@): Add batch support
for item in _dict.items():
print(":".join(item).encode('utf-8'))
udp_sock.sendto(":".join(item).encode('utf-8'), addr)
if __name__ == "__main__":
import random
import time
random.seed(int(time.time()))
client = StatsdClient()
for i in xrange(random.randrange(100000)):
client.timing("stats.sample.timing", random.randrange(500))
for i in xrange(random.randrange(100000)):
client.count("stats.sample.count", random.randrange(500))