def __init__(self, path, normalize=True):
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.ci, self.ic = load_vocabulary(path + '.contexts.vocab')
self.m = load_matrix(path)
self.m.data = np.log(self.m.data)
self.normal = normalize
if normalize:
self.normalize()
def __init__(self, path, normalize=True):
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.ci, self.ic = load_vocabulary(path + '.contexts.vocab')
self.m = load_matrix(path)
self.m.data = np.log(self.m.data)
self.normal = normalize
if normalize:
self.normalize()
def __init__(self, path, normalize=True, k=1):
Explicit.__init__(self, path, False)
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.ci, self.ic = load_vocabulary(path + '.contexts.vocab')
self.m = load_matrix(path)
self.m.data = self.m.data - np.log(k)
# self.normal = normalize
if normalize:
self.normalize()
def __init__(self, path, normalize=True, glen=5):
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.ci, self.ic = load_vocabulary(path + '.contexts.vocab')
self.sz, self.ng_freqs = self.load_counts(path)
self.m = load_matrix(path)
self.m.data = np.log(self.m.data)
self.normal = normalize
self.glen = glen
if normalize:
self.normalize()
def __init__(self, path, normalize=True):
Explicit.__init__(self, path, False)
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.ci, self.ic = load_vocabulary(path + '.contexts.vocab')
self.m = load_matrix(path)
self.m.data = np.log(self.m.data)
self.m.data[self.m.data <= 0] = 0
self.m.data[self.m.data > 0] = 1
# self.normal = normalize
if normalize:
self.normalize()
def main():
args = docopt("""
Usage:
word2vecf.py [options] <pairs> <words> <contexts> <outputs>
Options:
--processes_num NUM The number of processes [default: 12]
--negative NUM Negative sampling [default: 5]
--size NUM Embedding size [default: 300]
--iters NUM The number of iterations [default: 1]
""")
words_path = args['<words>']
contexts_path = args['<contexts>']
pairs_path = args['<pairs>']
outputs_path = args['<outputs>']
size = int(args['--size'])
processes_num = int(args['--processes_num'])
negative = int(args['--negative'])
iters = int(args['--iters'])
w2i, i2w = load_vocabulary(words_path)
c2i, i2c = load_vocabulary(contexts_path)
words = load_count_vocabulary(words_path)
contexts = load_count_vocabulary(contexts_path)
pairs_num = 0
with open(pairs_path, 'r') as f:
for l in f:
pairs_num += 1
global_word_count = Value('l', 0)
alpha = 0.025
syn0, syn1 = init_net(size, len(words), len(contexts))
table = UnigramTable(i2c, contexts)
print()
for i in range(iters):
pool = Pool(processes=processes_num,
initializer=__init_process,
initargs=(w2i, c2i, syn0, syn1, table, negative, size,
alpha, processes_num, global_word_count,
pairs_num, iters, pairs_path))
pool.map(train_process, range(processes_num))
save(i2w, syn0, outputs_path)
print("word2vecf finished")
def __init__(self, path, normalize=True):
self.tmp_m = []
self.m = []
for i in range(5):
ind = (i + 1) * 100
self.tmp_m.append(np.load(path + '_' + str(ind) + '.words.npy'))
self.wi, self.iw = load_vocabulary(path + '_500.words.vocab')
diff_norms = np.linalg.norm(self.tmp_m[4], ord=2, axis=1)
p_scores = [
np.percentile(diff_norms, i)
for i in [0.0, 20.0, 40.0, 60.0, 80.0, 100.0]
]
for i in range(self.tmp_m[0].shape[0]):
norm = diff_norms[i]
ind = 5
for j in range(len(p_scores)):
if norm < p_scores[j]:
ind = j
break
self.m.append(
np.concatenate(
(self.tmp_m[ind - 1][i], np.zeros(500 - (ind) * 100))))
self.m = np.asarray(self.m)
if normalize:
self.normalize()
self.dim = self.m.shape[1]
def load(cls, path, normalize=True, restricted_context=None, **kwargs):
mat = load_matrix(path)
word_vocab, context_vocab = load_vocabulary(mat, path)
return cls(mat,
word_vocab,
context_vocab,
normalize=normalize,
restricted_context=restricted_context)
def __init__(self, path):
self.m = []
for line in open(path, 'r'):
self.m.append([float(elem) for elem in line.split()[1:]])
self.m = np.asarray(self.m)
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.dim = self.m.shape[1]
self.normalize()
def __init__(self, path, normalize=True, glen=5):
self.m = np.load(path + '.npy')
self.sz, self.ng_freqs = self.load_counts(path)
self.glen = glen
if normalize:
self.normalize()
self.dim = self.m.shape[1]
self.wi, self.iw = load_vocabulary(path + '.vocab')
def main():
args = docopt("""
Usage:
word2vecf.py [options] <pairs> <words> <contexts> <outputs>
Options:
--processes_num NUM The number of processes [default: 12]
--negative NUM Negative sampling [default: 5]
--size NUM Embedding size [default: 300]
--iters NUM The number of iterations [default: 1]
""")
words_path = args['<words>']
contexts_path = args['<contexts>']
pairs_path = args['<pairs>']
outputs_path = args['<outputs>']
size = int(args['--size'])
processes_num = int(args['--processes_num'])
negative = int(args['--negative'])
iters = int(args['--iters'])
w2i, i2w = load_vocabulary(words_path)
c2i, i2c = load_vocabulary(contexts_path)
words = load_count_vocabulary(words_path)
contexts = load_count_vocabulary(contexts_path)
pairs_num = 0
with open(pairs_path, 'r') as f:
for l in f:
pairs_num += 1
global_word_count = Value('l', 0)
alpha = 0.025
syn0, syn1 = init_net(size, len(words), len(contexts))
table = UnigramTable(i2c, contexts)
print ()
for i in range(iters):
pool = Pool(processes=processes_num, initializer=__init_process, initargs=(w2i, c2i, syn0, syn1, table, negative, size, alpha, processes_num, global_word_count, pairs_num, iters, pairs_path))
pool.map(train_process, range(processes_num))
save(i2w, syn0, outputs_path)
print ("word2vecf finished")
def __init__(self, path, normalize=True, eig=0.0, transpose=False):
if transpose:
ut = np.load(path + '.vt.npy')
self.wi, self.iw = load_vocabulary(path + '.contexts.vocab')
else:
ut = np.load(path + '.ut.npy')
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
s = np.load(path + '.s.npy')
if eig == 0.0:
self.m = ut.T
elif eig == 1.0:
self.m = s * ut.T
else:
self.m = np.power(s, eig) * ut.T
self.dim = self.m.shape[1]
diff_norms = np.linalg.norm(self.m, ord=2, axis=1)
p_scores = [
np.percentile(diff_norms, i)
for i in [0.0, 20.0, 40.0, 60.0, 80.0, 100.0]
]
print(self.m.shape)
dim = [600, 700, 800, 900, 1000]
#dim = [1000, 1000, 1000, 1000, 1000]
for i in range(self.m.shape[0]):
norm = diff_norms[i]
#ind = [j for j in range(len(p_scores)) if (p_scores[j] > norm) ]
#ind = ind[0]
ind = 0
for j in range(len(p_scores)):
if norm < p_scores[j]:
ind = j
break
#print (ind)
self.m[i] = ut.T[i] * np.power(
np.concatenate(
(s[:dim[ind - 1]], np.zeros(self.dim - dim[ind - 1]))),
eig)
if normalize:
self.normalize()
def __init__(self, path, pmi, normalize=True, neg=1):
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
self.m = pmi
self.m.data = np.log(self.m.data)
self.m.data -= np.log(neg)
self.m.data[self.m.data < 0] = 0
self.m.eliminate_zeros()
if normalize:
self.normalize()
def read_counts_matrix(words_path, contexts_path, counts_path):
wi, iw = load_vocabulary(words_path)
ci, ic = load_vocabulary(contexts_path)
counts_num = 0
row = []
col = []
data = []
with open(counts_path) as f:
print str(counts_num/1000**2) + "M counts processed."
for line in f:
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(counts_num/1000**2) + "M counts processed."
word, context, count = line.strip().split()
row.append(int(word))
col.append(int(context))
data.append(int(float(count)))
counts_num += 1
counts = csr_matrix((data, (row, col)), shape=(len(wi), len(ci)), dtype=np.float32)
return counts
def __init__(self, path, normalize=True, eig=0.0, transpose=False):
if transpose:
ut = np.load(path + '.vt.npy')
self.wi, self.iw = load_vocabulary(path + '.contexts.vocab')
else:
ut = np.load(path + '.ut.npy')
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
s = np.load(path + '.s.npy')
if eig == 0.0:
self.m = ut.T
elif eig == 1.0:
self.m = s * ut.T
else:
self.m = np.power(s, eig) * ut.T
self.dim = self.m.shape[1]
if normalize:
self.normalize()
def __init__(self, path, normalize=True, eig=0.0, transpose=False):
if transpose:
ut = np.load(path + '.vt.npy')
self.wi, self.iw = load_vocabulary(path + '.contexts.vocab')
else:
ut = np.load(path + '.ut.npy')
self.wi, self.iw = load_vocabulary(path + '.words.vocab')
s = np.load(path + '.s.npy')
if eig == 0.0:
self.m = ut.T
elif eig == 1.0:
self.m = s * ut.T
else:
self.m = np.power(s, eig) * ut.T
self.dim = self.m.shape[1]
if normalize:
self.normalize()
def read_counts_matrix(words_path, contexts_path, counts_path):
wi, iw = load_vocabulary(words_path)
ci, ic = load_vocabulary(contexts_path)
counts_num = 0
row = []
col = []
data = []
with open(counts_path) as f:
print str(counts_num / 1000**2) + "M counts processed."
for line in f:
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(
counts_num / 1000**2) + "M counts processed."
word, context, count = line.strip().split()
row.append(int(word))
col.append(int(context))
data.append(int(float(count)))
counts_num += 1
counts = csr_matrix((data, (row, col)),
shape=(len(wi), len(ci)),
dtype=np.float32)
return counts
def main():
args = docopt("""
Usage:
word2vecf.py [options] <pairs> <words> <contexts> <outputs>
Options:
--negative NUM Negative sampling [default: 5]
--size NUM Embedding size [default: 100]
--iters NUM The number of iterations [default: 1]
""")
words_path = args['<words>']
contexts_path = args['<contexts>']
pairs_path = args['<pairs>']
outputs_path = args['<outputs>']
size = int(args['--size'])
negative = int(args['--negative'])
iters = int(args['--iters'])
w2i, i2w = load_vocabulary(words_path)
c2i, i2c = load_vocabulary(contexts_path)
words = load_count_vocabulary(words_path)
contexts = load_count_vocabulary(contexts_path)
pairs_num = 0
with open(pairs_path, 'r') as f:
for l in f:
pairs_num += 1
alpha = 0.025
syn0, syn1 = init_net(size, len(words), len(contexts))
table = UnigramTable(i2c, contexts)
for i in range(iters):
train_process(pairs_path, size, syn0, syn1, w2i, c2i, table, alpha,
negative, pairs_num, iters)
save(i2w, syn0, outputs_path)
print("word2vecf finished")
def load(cls,
path,
normalize=True,
restricted_context=None,
thresh=None,
neg=1):
mat = load_matrix(path, thresh)
word_vocab, context_vocab = load_vocabulary(mat, path)
return cls(mat,
word_vocab,
context_vocab,
normalize,
restricted_context,
neg=neg)
def main():
args = docopt("""
Usage:
word2vecf.py [options] <pairs> <words> <contexts> <outputs>
Options:
--negative NUM Negative sampling [default: 5]
--size NUM Embedding size [default: 100]
--iters NUM The number of iterations [default: 1]
""")
words_path = args['<words>']
contexts_path = args['<contexts>']
pairs_path = args['<pairs>']
outputs_path = args['<outputs>']
size = int(args['--size'])
negative = int(args['--negative'])
iters = int(args['--iters'])
w2i, i2w = load_vocabulary(words_path)
c2i, i2c = load_vocabulary(contexts_path)
words = load_count_vocabulary(words_path)
contexts = load_count_vocabulary(contexts_path)
pairs_num = 0
with open(pairs_path, 'r') as f:
for l in f:
pairs_num += 1
alpha = 0.025
syn0, syn1 = init_net(size, len(words), len(contexts))
table = UnigramTable(i2c, contexts)
for i in range(iters):
train_process(pairs_path, size, syn0, syn1, w2i, c2i, table, alpha, negative, pairs_num, iters)
save(i2w, syn0, outputs_path)
print ("word2vecf finished")
def main():
args = docopt("""
Usage:
text2numpy.py <path>
""")
path = args['<path>']
matrix = read_vectors(path)
wi, iw = load_vocabulary(path + ".vocab")
new_matrix = np.zeros(shape=(len(iw), len(matrix[iw[0]])), dtype=np.float32)
for i, word in enumerate(iw):
if word in matrix:
new_matrix[i, :] = matrix[word]
np.save(path + '.npy', new_matrix)
def load(cls,
path,
normalize=True,
restricted_context=None,
thresh=None,
neg=1):
#This line produces an error because load_matrix takes only one argument
#mat = load_matrix(path, thresh)
#Changing the line:
mat = load_matrix(path)
word_vocab, context_vocab = load_vocabulary(mat, path)
return cls(mat,
word_vocab,
context_vocab,
normalize,
restricted_context,
neg=neg)
def __init__(self, path, normalize=True):
self.m = np.load(path + '.npy')
if normalize:
self.normalize()
self.dim = self.m.shape[1]
self.wi, self.iw = load_vocabulary(path + '.vocab')
def main():
# get all parameters.
args = docopt("""
Usage:
pairs2counts.py [options] <pairs> <vocab_word> <vocab_context> <counts>
Options:
--memory_size NUM Memory size available [default: 8.0]
""")
print "**********************"
print "pairs2counts"
wi, iw =load_vocabulary(args['<vocab_word>'])
ci, ic = load_vocabulary(args['<vocab_context>'])
max_product = 10000
memory_size = float(args['--memory_size']) * 1000**3
D = {} #store bottom-right part of co-occurrence matrix in dictionary
tmpfile_num = 1
memory_size_used = 0
#store top-left corner of co-occurrence matrix in array, which is the strategy used in GloVe
lookup = [0,]
for i in xrange(len(iw)):
if max_product / (i + 1) == 0:
break
if max_product / (i + 1) > len(iw):
lookup.append(lookup[-1] + len(iw))
else:
lookup.append(lookup[-1] + max_product / (i + 1))
M = np.zeros(lookup[-1] + 1, dtype=np.int32)
with open(args['<pairs>']) as f:
pairs_num = 0
print str(pairs_num/1000**2) + "M pairs processed."
for line in f:
pairs_num += 1
if pairs_num % 1000**2 == 0:
print "\x1b[1A" + str(pairs_num/1000**2) + "M pairs processed."
if getsizeof(D) + memory_size_used + getsizeof(M) > memory_size * 0.8: #write dictionary to disk when memory is insufficient
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
memory_size_used = 0
tmpfile_num += 1
pair = line.strip().split()
word_index = wi[pair[0]]
context_index = ci[pair[1]]
if (word_index + 1) * (context_index + 1) <= max_product: #store top-left corner in M, which stays in memory all time
M[lookup[word_index] + context_index] += 1
else: #store bottom-right part in D, which is written to disk when memory is insufficient
if word_index in D:
tmp_size = getsizeof(D[word_index])
D[word_index].update({context_index: 1})
memory_size_used += getsizeof(D[word_index]) - tmp_size #estimate the size of memory used
else:
D[word_index] = Counter({context_index: 1})
memory_size_used += getsizeof(D[word_index])
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
tmpfile_num += 1
for i in xrange(len(lookup)): #transform M to dictionary structure
D[i] = Counter()
if i == len(lookup) - 1:
if M[lookup[i] + j] > 0:
D[i].update({j: M[lookup[i] + j]})
break
for j in xrange(lookup[i+1] - lookup[i]):
if M[lookup[i] + j] > 0:
D[i].update({j: M[lookup[i] + j]})
with open(args['<counts>'] + '_' + str(0), 'wb') as f: #write top-left corner to disk
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
#merge tmpfiles to co-occurrence matrix
tmpfiles = []
top_buffer = [] #store top elements of tmpfiles
counts_num = 0
counts_file = open(args['<counts>'], 'w')
for i in xrange(tmpfile_num):
tmpfiles.append(open(args['<counts>'] + '_' + str(i), 'rb'))
top_buffer.append(pickle.load(tmpfiles[i]))
old = top_buffer[0]
top_buffer[0] = pickle.load(tmpfiles[0])
print str(counts_num/1000**2) + "M counts processed."
while True:
arg_min = np.argmin(np.asarray([c[0] for c in top_buffer])) #find the element with smallest key (center word)
if top_buffer[arg_min][0] == old[0]: #merge values when keys are the same
old[1].update(top_buffer[arg_min][1])
else:
tmp_sorted = sorted(old[1].keys()) #write the old element when keys are different (which means all pairs whose center words are [old.key] are aggregated)
for w in tmp_sorted:
counts_num += 1
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(counts_num/1000**2) + "M counts processed."
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
old = top_buffer[arg_min]
try:
top_buffer[arg_min] = pickle.load(tmpfiles[arg_min])
except EOFError: #when elements in file are exhausted
top_buffer[arg_min] = (np.inf, Counter())
tmpfile_num -= 1
if tmpfile_num == 0:
tmp_sorted = sorted(old[1].keys())
for w in tmp_sorted:
counts_num += 1
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
break
counts_file.close()
print "number of counts: ", counts_num
for i in xrange(len(top_buffer)): #remove tmpfiles
os.remove(args['<counts>'] + '_' + str(i))
print "pairs2counts finished"
def main():
# get all parameters.
args = docopt("""
Usage:
pairs2counts.py [options] <pairs> <vocab_word> <vocab_context> <counts>
Options:
--memory_size NUM Memory size available [default: 8.0]
""")
print "**********************"
print "pairs2counts"
wi, iw = load_vocabulary(args['<vocab_word>'])
ci, ic = load_vocabulary(args['<vocab_context>'])
memory_size = float(args['--memory_size']) * 1000**3
D = {} #store co-occurrence matrix in dictionary
tmpfile_num = 0
memory_size_used = 0
with open(args['<pairs>']) as f:
pairs_num = 0
print str(pairs_num / 1000**2) + "M pairs processed."
for line in f:
pairs_num += 1
if pairs_num % 1000**2 == 0:
print "\x1b[1A" + str(
pairs_num / 1000**2) + "M pairs processed."
if getsizeof(
D
) + memory_size_used > memory_size * 0.8: #write dictionary to disk when memory is insufficient
with open(args['<counts>'] + '_' + str(tmpfile_num),
'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
memory_size_used = 0
tmpfile_num += 1
pair = line.strip().split()
word_index = wi[pair[0]]
context_index = ci[pair[1]]
if word_index in D:
tmp_size = getsizeof(D[word_index])
D[word_index].update({context_index: 1})
memory_size_used += getsizeof(
D[word_index]
) - tmp_size #estimate the size of memory used
else:
D[word_index] = Counter({context_index: 1})
memory_size_used += getsizeof(D[word_index])
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
tmpfile_num += 1
#merge tmpfiles to co-occurrence matrix
tmpfiles = []
top_buffer = [] #store top elements of tmpfiles
counts_num = 0
counts_file = open(args['<counts>'], 'w')
for i in xrange(tmpfile_num):
tmpfiles.append(open(args['<counts>'] + '_' + str(i), 'rb'))
top_buffer.append(pickle.load(tmpfiles[i]))
old = top_buffer[0]
top_buffer[0] = pickle.load(tmpfiles[0])
print str(counts_num / 1000**2) + "M counts processed."
while True:
arg_min = np.argmin(np.asarray([
c[0] for c in top_buffer
])) #find the element with smallest key (center word)
if top_buffer[arg_min][0] == old[
0]: #merge values when keys are the same
old[1].update(top_buffer[arg_min][1])
else:
tmp_sorted = sorted(
old[1].keys()
) #write the old element when keys are different (which means all pairs whose center words are [old.key] are aggregated)
for w in tmp_sorted:
counts_num += 1
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(
counts_num / 1000**2) + "M counts processed."
counts_file.write(
str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
old = top_buffer[arg_min]
try:
top_buffer[arg_min] = pickle.load(tmpfiles[arg_min])
except EOFError: #when elements in file are exhausted
top_buffer[arg_min] = (np.inf, Counter())
tmpfile_num -= 1
if tmpfile_num == 0:
tmp_sorted = sorted(old[1].keys())
for w in tmp_sorted:
counts_num += 1
counts_file.write(
str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
break
counts_file.close()
print "number of counts: ", counts_num
for i in xrange(len(top_buffer)): #remove tmpfiles
os.remove(args['<counts>'] + '_' + str(i))
print "pairs2counts finished"
def main():
# get all parameters.
args = docopt("""
Usage:
pairs2counts.py [options] <pairs> <vocab_word> <vocab_context> <counts>
Options:
--memory_size NUM Memory size available [default: 8.0]
""")
print "**********************"
print "pairs2counts"
wi, iw =load_vocabulary(args['<vocab_word>'])
ci, ic = load_vocabulary(args['<vocab_context>'])
max_product = 10000
memory_size = float(args['--memory_size']) * 1000**3
D = {} #store bottom-right part of co-occurrence matrix in dictionary
tmpfile_num = 1
memory_size_used = 0
#store top-left corner of co-occurrence matrix in array, which is the strategy used in GloVe
lookup = [0,]
for i in xrange(len(iw)):
if max_product / (i + 1) == 0:
break
if max_product / (i + 1) > len(iw):
lookup.append(lookup[-1] + len(iw))
else:
lookup.append(lookup[-1] + max_product / (i + 1))
M = np.zeros(lookup[-1] + 1, dtype=np.int32)
with open(args['<pairs>']) as f:
pairs_num = 0
print str(pairs_num/1000**2) + "M pairs processed."
for line in f:
pairs_num += 1
if pairs_num % 1000**2 == 0:
print "\x1b[1A" + str(pairs_num/1000**2) + "M pairs processed."
if getsizeof(D) + memory_size_used + getsizeof(M) > memory_size * 0.8: #write dictionary to disk when memory is insufficient
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
memory_size_used = 0
tmpfile_num += 1
pair = line.strip().split()
word_index = wi[pair[0]]
context_index = ci[pair[1]]
if (word_index + 1) * (context_index + 1) <= max_product: #store top-left corner in M, which stays in memory all time
M[lookup[word_index] + context_index] += 1
else: #store bottom-right part in D, which is written to disk when memory is insufficient
if word_index in D:
tmp_size = getsizeof(D[word_index])
D[word_index].update({context_index: 1})
memory_size_used += getsizeof(D[word_index]) - tmp_size #estimate the size of memory used
else:
D[word_index] = Counter({context_index: 1})
memory_size_used += getsizeof(D[word_index])
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
tmpfile_num += 1
for i in xrange(len(lookup)): #transform M to dictionary structure
D[i] = Counter()
if i == len(lookup) - 1:
if M[lookup[i] + j] > 0:
D[i].update({j: M[lookup[i] + j]})
break
for j in xrange(lookup[i+1] - lookup[i]):
if M[lookup[i] + j] > 0:
D[i].update({j: M[lookup[i] + j]})
with open(args['<counts>'] + '_' + str(0), 'wb') as f: #write top-left corner to disk
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
#merge tmpfiles to co-occurrence matrix
tmpfiles = []
top_buffer = [] #store top elements of tmpfiles
counts_num = 0
counts_file = open(args['<counts>'], 'w')
for i in xrange(tmpfile_num):
tmpfiles.append(open(args['<counts>'] + '_' + str(i), 'rb'))
top_buffer.append(pickle.load(tmpfiles[i]))
old = top_buffer[0]
top_buffer[0] = pickle.load(tmpfiles[0])
print str(counts_num/1000**2) + "M counts processed."
while True:
arg_min = np.argmin(np.asarray([c[0] for c in top_buffer])) #find the element with smallest key (center word)
if top_buffer[arg_min][0] == old[0]: #merge values when keys are the same
old[1].update(top_buffer[arg_min][1])
else:
tmp_sorted = sorted(old[1].keys()) #write the old element when keys are different (which means all pairs whose center words are [old.key] are aggregated)
for w in tmp_sorted:
counts_num += 1
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(counts_num/1000**2) + "M counts processed."
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
old = top_buffer[arg_min]
try:
top_buffer[arg_min] = pickle.load(tmpfiles[arg_min])
except EOFError: #when elements in file are exhausted
top_buffer[arg_min] = (np.inf, Counter())
tmpfile_num -= 1
if tmpfile_num == 0:
tmp_sorted = sorted(old[1].keys())
for w in tmp_sorted:
counts_num += 1
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
break
counts_file.close()
print "number of counts: ", counts_num
for i in xrange(len(top_buffer)): #remove tmpfiles
os.remove(args['<counts>'] + '_' + str(i))
print "pairs2counts finished"
def __init__(self, path, normalize=True):
self.m = np.load(path + '.npy')
if normalize:
self.normalize()
self.dim = self.m.shape[1]
self.wi, self.iw = load_vocabulary(path + '.vocab')
def load(cls, path, normalize=True, restricted_context=None, **kwargs):
mat = load_matrix(path)
word_vocab, context_vocab = load_vocabulary(mat, path)
return cls(mat, word_vocab, context_vocab, normalize=normalize, restricted_context=restricted_context)
def load(cls, path, normalize=True, restricted_context=None, thresh=None, neg=1):
mat = load_matrix(path, thresh)
word_vocab, context_vocab = load_vocabulary(mat, path)
return cls(mat, word_vocab, context_vocab, normalize, restricted_context, neg=neg)
def main():
# get all parameters.
args = docopt("""
Usage:
pairs2counts.py [options] <pairs> <vocab_word> <vocab_context> <counts>
Options:
--memory_size NUM Memory size available [default: 8.0]
""")
print "**********************"
print "pairs2counts"
wi, iw =load_vocabulary(args['<vocab_word>'])
ci, ic = load_vocabulary(args['<vocab_context>'])
memory_size = float(args['--memory_size']) * 1000**3
D = {} #store co-occurrence matrix in dictionary
tmpfile_num = 0
memory_size_used = 0
with open(args['<pairs>']) as f:
pairs_num = 0
print str(pairs_num/1000**2) + "M pairs processed."
for line in f:
pairs_num += 1
if pairs_num % 1000**2 == 0:
print "\x1b[1A" + str(pairs_num/1000**2) + "M pairs processed."
if getsizeof(D) + memory_size_used > memory_size * 0.8: #write dictionary to disk when memory is insufficient
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
memory_size_used = 0
tmpfile_num += 1
pair = line.strip().split()
word_index = wi[pair[0]]
context_index = ci[pair[1]]
if word_index in D:
tmp_size = getsizeof(D[word_index])
D[word_index].update({context_index: 1})
memory_size_used += getsizeof(D[word_index]) - tmp_size #estimate the size of memory used
else:
D[word_index] = Counter({context_index: 1})
memory_size_used += getsizeof(D[word_index])
with open(args['<counts>'] + '_' + str(tmpfile_num), 'wb') as f:
tmp_sorted = sorted(D.keys())
for i in tmp_sorted:
pickle.dump((i, D[i]), f, True)
D.clear()
tmpfile_num += 1
#merge tmpfiles to co-occurrence matrix
tmpfiles = []
top_buffer = [] #store top elements of tmpfiles
counts_num = 0
counts_file = open(args['<counts>'], 'w')
for i in xrange(tmpfile_num):
tmpfiles.append(open(args['<counts>'] + '_' + str(i), 'rb'))
top_buffer.append(pickle.load(tmpfiles[i]))
old = top_buffer[0]
top_buffer[0] = pickle.load(tmpfiles[0])
print str(counts_num/1000**2) + "M counts processed."
while True:
arg_min = np.argmin(np.asarray([c[0] for c in top_buffer])) #find the element with smallest key (center word)
if top_buffer[arg_min][0] == old[0]: #merge values when keys are the same
old[1].update(top_buffer[arg_min][1])
else:
tmp_sorted = sorted(old[1].keys()) #write the old element when keys are different (which means all pairs whose center words are [old.key] are aggregated)
for w in tmp_sorted:
counts_num += 1
if counts_num % 1000**2 == 0:
print "\x1b[1A" + str(counts_num/1000**2) + "M counts processed."
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
old = top_buffer[arg_min]
try:
top_buffer[arg_min] = pickle.load(tmpfiles[arg_min])
except EOFError: #when elements in file are exhausted
top_buffer[arg_min] = (np.inf, Counter())
tmpfile_num -= 1
if tmpfile_num == 0:
tmp_sorted = sorted(old[1].keys())
for w in tmp_sorted:
counts_num += 1
counts_file.write(str(old[0]) + " " + str(w) + " " + str(old[1][w]) + "\n")
break
counts_file.close()
print "number of counts: ", counts_num
for i in xrange(len(top_buffer)): #remove tmpfiles
os.remove(args['<counts>'] + '_' + str(i))
print "pairs2counts finished"
