def score(jobman, path): hp = jobman.state nsenna = 30000 PATH = "/scratch/rifaisal/msrtest/test/" delta = hp["wsize"] / 2 rest = hp["wsize"] % 2 sent = T.matrix() embedding = cae(i_size=nsenna, h_size=hp["embedsize"], e_act=identity) H = ae(i_size=hp["embedsize"] * hp["wsize"], h_size=hp["hsize"], e_act=T.tanh) L = logistic(i_size=hp["hsize"], h_size=1, act=identity) load(embedding, path + "/embedding.pkl") load(H, path + "/hidden.pkl") load(L, path + "/logistic.pkl") posit_embed = T.dot(sent, embedding.params["e_weights"]).reshape((1, hp["embedsize"] * hp["wsize"])) posit_score = H.encode(posit_embed) scoreit = theano.function([sent], posit_score) sentences = parse_data() scores = [] esims = [] msim = [] hsim = [] Em = embedding.params["e_weights"].get_value(borrow=True) for i, (sc, w1, w2, c1, c2) in enumerate(sentences): sys.stdout.flush() c1 = [29999] * 10 + c1 + [29999] * 10 c2 = [29999] * 10 + c2 + [29999] * 10 w1seqs = [c1[10 + idx - delta : 10 + idx + delta + rest] for idx in w1] w2seqs = [c2[10 + idx - delta : 10 + idx + delta + rest] for idx in w2] c = [] w1em = Em[c1[10 + w1[0]]] w2em = Em[c2[10 + w2[0]]] w1sc = numpy.concatenate([scoreit(idx2mat(w1seqs[0], nsenna)).flatten(), Em[c1[10 + w1[0]]]]) w2sc = numpy.concatenate([scoreit(idx2mat(w2seqs[0], nsenna)).flatten(), Em[c2[10 + w2[0]]]]) metric = L.params["weights"].get_value(borrow=True).flatten() sim = -(((w1sc - w2sc)) ** 2).sum() esim = -((w1em - w2em) ** 2).sum() msim.append(sim) esims.append(esim) hsim.append(numpy.mean(sc)) print "Model:", scipy.stats.spearmanr(numpy.array(hsim), numpy.array(msim))[ 0 ], ", Embeddings:", scipy.stats.spearmanr(numpy.array(hsim), numpy.array(esims))[0]
def run(jobman,debug = False): expstart = time.time() hp = jobman.state # Symbolic variables s_bow = T.matrix() s_posit = T.matrix()#theano.sparse.csr_matrix() s_negat = T.matrix()#theano.sparse.csr_matrix() sentences = cPickle.load(open('/scratch/rifaisal/data/guten/guten_subset_idx.pkl')) senna = cPickle.load(open('/scratch/rifaisal/data/guten/senna.pkl')) gsubset = cPickle.load(open('/scratch/rifaisal/data/guten/guten_vocab_subset.pkl')).flatten().tolist() hashtab = dict( zip( gsubset, range( len( gsubset)))) senna = numpy.array(senna)[gsubset].tolist() s_valid = theano.sparse.csr_matrix() validsentence = sentences[-10:] sentences = sentences[:-10] nsent = len(sentences) nsenna = len(senna) # Layers embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act = T.nnet.sigmoid) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = rect, d_act = hardtanh) L = logistic(i_size = hp['hsize'], h_size = 1) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act = T.nnet.sigmoid) valid_embedding.params['weights'] = embedding.params['e_weights'] valid_embedding.params['bias'] = embedding.params['e_bias'] lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = embedding.encode(s_posit).reshape((1,hp['embedsize']*hp['wsize'])) negat_embed = embedding.encode(s_negat).reshape((hp['nneg'],hp['embedsize']*hp['wsize'])) valid_embed = valid_embedding.encode(s_valid).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) rec = embedding.reconstruct(s_bow, loss='ce') CC = (rect(C)).mean() + hp['lambda'] * rec opt = theano.function([s_posit, s_negat, s_bow], [C.mean(),rec], updates = dict( L.update(CC,lr) + H.update(CC,lr) + embedding.update(CC,lr)) ) validfct = theano.function([s_valid],valid_score) def saveexp(): save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl') print 'Saved successfully' delta = hp['wsize']/2 rest = hp['wsize']%2 freq_idx = cPickle.load(open('/scratch/rifaisal/data/guten/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [ hashtab[idx] for idx in freq_idx ] fname = sys.argv[0]+'_' for e in range(hp['epoch']): c = [] r = [] for i in range(nsent): rsent = numpy.random.randint(nsent-1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low = delta, high = nword-delta) pchunk = sentences[rsent][pidx-delta:pidx+delta+rest] nchunk = [] st = sentences[rsent][pidx-delta:pidx] en = sentences[rsent][pidx+1:pidx+delta+rest] rndidx = numpy.random.randint(nsenna, size = (hp['nneg'],)) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk)*hp['nneg'] p, n, b = (idx2mat(pchunk,nsenna), idx2mat(nchunk,nsenna), idx2vec(sentences[rsent],nsenna)) l,g = opt(p,n,b) c.append(l) r.append(g) if (time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (i+1)%(50*hp['freq']) == 0: mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk hp['e'] = e hp['i'] = i jobman.save() saveexp() print 'Random Valid Mean rank',mrk if i%hp['freq'] == 0: hp['score'] = numpy.array(c).mean() hp['rec'] = numpy.array(r).mean() print e,i,'NN Score:', hp['score'], 'Reconstruction:', hp['rec'] ne = knn(freq_idx,embedding.params['e_weights'].get_value(borrow=True)) open('files/'+fname+'nearest.txt','w').write(display(ne,senna)) saveexp() sys.stdout.flush() jobman.save() save()
def run(jobman, debug=False): expstart = time.time() hp = jobman.state # Symbolic variables s_bow = T.matrix() s_posit = T.matrix() #theano.sparse.csr_matrix() s_negat = T.matrix() #theano.sparse.csr_matrix() sentences = cPickle.load( open('/scratch/rifaisal/data/guten/guten_subset_idx.pkl')) senna = cPickle.load(open('/scratch/rifaisal/data/guten/senna.pkl')) gsubset = cPickle.load( open('/scratch/rifaisal/data/guten/guten_vocab_subset.pkl')).flatten( ).tolist() hashtab = dict(zip(gsubset, range(len(gsubset)))) senna = numpy.array(senna)[gsubset].tolist() s_valid = theano.sparse.csr_matrix() validsentence = sentences[-10:] sentences = sentences[:-10] nsent = len(sentences) nsenna = len(senna) # Layers embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act=T.nnet.sigmoid) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=rect, d_act=hardtanh) L = logistic(i_size=hp['hsize'], h_size=1) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act=T.nnet.sigmoid) valid_embedding.params['weights'] = embedding.params['e_weights'] valid_embedding.params['bias'] = embedding.params['e_bias'] lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = embedding.encode(s_posit).reshape( (1, hp['embedsize'] * hp['wsize'])) negat_embed = embedding.encode(s_negat).reshape( (hp['nneg'], hp['embedsize'] * hp['wsize'])) valid_embed = valid_embedding.encode(s_valid).reshape( (nsenna, hp['embedsize'] * hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) rec = embedding.reconstruct(s_bow, loss='ce') CC = (rect(C)).mean() + hp['lambda'] * rec opt = theano.function([s_posit, s_negat, s_bow], [C.mean(), rec], updates=dict( L.update(CC, lr) + H.update(CC, lr) + embedding.update(CC, lr))) validfct = theano.function([s_valid], valid_score) def saveexp(): save(embedding, fname + 'embedding.pkl') save(H, fname + 'hidden.pkl') save(L, fname + 'logistic.pkl') print 'Saved successfully' delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 freq_idx = cPickle.load( open('/scratch/rifaisal/data/guten/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [hashtab[idx] for idx in freq_idx] fname = sys.argv[0] + '_' for e in range(hp['epoch']): c = [] r = [] for i in range(nsent): rsent = numpy.random.randint(nsent - 1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low=delta, high=nword - delta) pchunk = sentences[rsent][pidx - delta:pidx + delta + rest] nchunk = [] st = sentences[rsent][pidx - delta:pidx] en = sentences[rsent][pidx + 1:pidx + delta + rest] rndidx = numpy.random.randint(nsenna, size=(hp['nneg'], )) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk) * hp['nneg'] p, n, b = (idx2mat(pchunk, nsenna), idx2mat(nchunk, nsenna), idx2vec(sentences[rsent], nsenna)) l, g = opt(p, n, b) c.append(l) r.append(g) if (time.time() - expstart) > (3600 * 24 * 6 + 3600 * 20) or ( i + 1) % (50 * hp['freq']) == 0: mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk hp['e'] = e hp['i'] = i jobman.save() saveexp() print 'Random Valid Mean rank', mrk if i % hp['freq'] == 0: hp['score'] = numpy.array(c).mean() hp['rec'] = numpy.array(r).mean() print e, i, 'NN Score:', hp['score'], 'Reconstruction:', hp[ 'rec'] ne = knn(freq_idx, embedding.params['e_weights'].get_value(borrow=True)) open('files/' + fname + 'nearest.txt', 'w').write(display(ne, senna)) saveexp() sys.stdout.flush() jobman.save() save()
def run(jobman, debug=False): expstart = time.time() hp = jobman.state if not os.path.exists('files/'): os.mkdir('files/') # Symbolic variables s_bow = T.matrix() s_idx = T.iscalar() s_tf = T.scalar() s_posit = T.matrix() #theano.sparse.csr_matrix() s_negat = T.matrix() #theano.sparse.csr_matrix() sentences = cPickle.load( open('/scratch/rifaisal/data/guten/guten_subset_idx.pkl')) senna = cPickle.load(open('/scratch/rifaisal/data/guten/senna.pkl')) gsubset = cPickle.load( open('/scratch/rifaisal/data/guten/guten_vocab_subset.pkl')).flatten( ).tolist() hashtab = dict(zip(gsubset, range(len(gsubset)))) tfidf_data = numpy.load('/scratch/rifaisal/data/guten/guten_tfidf.npy' ).item().tocsr().astype('float32') #tfidf = cPickle.load(open('/scratch/rifaisal/repos/senna/gutentokenizer.pkl')) senna = numpy.array(senna)[gsubset].tolist() s_valid = theano.sparse.csr_matrix() validsentence = sentences[10000:10010] nsent = len(sentences) nsenna = len(senna) # Layers embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act=identity) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=T.tanh) L = logistic(i_size=hp['hsize'], h_size=1, act=identity) S = logistic(i_size=hp['embedsize'], h_size=nsenna, act=T.nnet.softmax) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act=identity) valid_embedding.params['weights'] = sp.shared( value=scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value( borrow=True))) valid_embedding.params['bias'] = embedding.params['e_bias'] lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = T.dot(s_posit, embedding.params['e_weights']).reshape( (1, hp['embedsize'] * hp['wsize'])) negat_embed = T.dot(s_negat, embedding.params['e_weights']).reshape( (hp['nneg'], hp['embedsize'] * hp['wsize'])) valid_embed = sp.dot(s_valid, valid_embedding.params['weights']).reshape( (nsenna, hp['embedsize'] * hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) s_bow_pred = S.encode(embedding.encode(s_bow)) pred = s_tf * nllsoft(s_bow_pred, s_idx) CC = (rect(C)).mean() + hp['lambda'] * pred opt = theano.function( [s_posit, s_negat, s_bow, s_idx, s_tf], [(rect(C)).mean(), pred], updates=dict( S.update(CC, lr) + L.update(CC, lr) + H.update(CC, lr) + embedding.update_norm(CC, lr))) #validfct = theano.function([s_valid],valid_score) def saveexp(): save(embedding, fname + 'embedding.pkl') save(H, fname + 'hidden.pkl') save(L, fname + 'logistic.pkl') delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 freq_idx = cPickle.load( open('/scratch/rifaisal/data/guten/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [hashtab[idx] for idx in freq_idx] fname = '' for e in range(hp['epoch']): c = [] r = [] count = 1 for i in range(nsent): rsent = numpy.random.randint(nsent - 1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low=delta, high=nword - delta) pchunk = sentences[rsent][pidx - delta:pidx + delta + rest] nchunk = [] st = sentences[rsent][pidx - delta:pidx] en = sentences[rsent][pidx + 1:pidx + delta + rest] rndidx = numpy.random.randint(nsenna, size=(hp['nneg'], )) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk) * hp['nneg'] tfidf_chunk = tfidf_data[rsent:rsent + 1].toarray() #pdb.set_trace() tfidf_value = tfidf_chunk[0, sentences[rsent][pidx]] tfidf_chunk[0, sentences[rsent][pidx]] = 0. tfidx = sentences[rsent][ pidx] # numpy.zeros(tfidf_chunk.shape).astype('float32') #tfidx[0,sentences[rsent][pidx]] = 1. p, n, b, iidx, tfval = (idx2mat(pchunk, nsenna), idx2mat(nchunk, nsenna), tfidf_chunk, tfidx, tfidf_value) count += tfval != 0 l, g = opt(p, n, b, iidx, tfval) c = c c.append(l) r.append(g) """ if (time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (i+1)%(20*hp['freq']) == 0 and debug==False: valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk jobman.save() saveexp() print 'Random Valid Mean rank',mrk """ if (i + 1) % hp['freq'] == 0 or debug: hp['score'] = numpy.array(c).sum() / (numpy.array(c) > 0).sum() hp['pred'] = numpy.array(r).sum() / float(count) hp['e'] = e hp['i'] = i print '' print e, i, 'NN Score:', hp['score'], 'Reconstruction:', hp[ 'pred'] if debug != True: ne = knn( freq_idx, embedding.params['e_weights'].get_value(borrow=True)) open('files/' + fname + 'nearest.txt', 'w').write(display(ne, senna)) saveexp() sys.stdout.flush() jobman.save() saveexp()
def msrerror(vocab, jobman): hp = jobman.state nsenna = 30000 PATH = '/scratch/rifaisal/msrtest/test/' delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 sent = T.matrix() embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act=identity) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=T.tanh) L = logistic(i_size=hp['hsize'], h_size=1, act=identity) path = hp['loadpath'] load(embedding, path + '/embedding.pkl') load(H, path + '/hidden.pkl') load(L, path + '/logistic.pkl') posit_embed = T.dot(sent, embedding.params['e_weights']).reshape( (1, hp['embedsize'] * hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) fct = theano.function([sent], posit_score) sentences = idxdataset(vocab) scores = [] for i, s in enumerate(sentences): print i, sys.stdout.flush() nword = len(s) if nword < hp['wsize'] + 2: #print i,'Failure' s += [29999] * 3 c = [] for j in range(delta, nword - delta): pchunk = s[j - delta:j + delta + rest] p = idx2mat(pchunk, nsenna) l = fct(p) c.append(l) if not len(c): print 'pas bim' scores.append(0) else: scores.append(numpy.mean(c)) #if i%5 == 0: # print scores[i-5:i] score_template = open(PATH + 'data/Holmes.lm_format.questions.txt') score_output = open('energy.lm_output.txt', 'w') sentencelist = score_template.readlines() for sc, sentence in zip(scores, sentencelist): score_output.write(sentence.split('\n')[0] + '\t' + str(sc) + '\n') score_output.close() pipebestof5 = subprocess.Popen( ['perl', PATH + 'bestof5.pl', './energy.lm_output.txt'], stdout=subprocess.PIPE) energyanswer = open('./energy.answers', 'w') for line in pipebestof5.stdout: energyanswer.write(line) energyanswer.close() pipescore = subprocess.Popen([ 'perl', PATH + 'score.pl', './energy.answers', PATH + 'data/Holmes.lm_format.answers.txt' ], stdout=subprocess.PIPE) legend = ['correct', '%correct', 'valid', 'test'] out = zip(legend, [r.split('\n')[0] for r in pipescore.stdout.readlines()[-4:]]) res = dict(out) res = dict((k, float(v)) for k, v in res.iteritems()) print res print out
def run(jobman, debug=False): hp = jobman.state # Symbolic variables s_posit = T.matrix() #theano.sparse.csr_matrix() s_negat = T.matrix() #theano.sparse.csr_matrix() s_valid = theano.sparse.csr_matrix() sentences = cPickle.load( open('/data/lisatmp2/rifaisal/guten_subset_idx.pkl')) validsentence = sentences[-10:] sentences = sentences[:-10] senna = cPickle.load(open('/data/lisatmp2/rifaisal/senna.pkl')) gsubset = cPickle.load( open('/data/lisatmp2/rifaisal/guten_vocab_subset.pkl')).flatten( ).tolist() hashtab = dict(zip(gsubset, range(len(gsubset)))) senna = numpy.array(senna)[gsubset].tolist() nsent = len(sentences) nsenna = len(senna) # Layers embedding = logistic(i_size=nsenna, h_size=hp['embedsize'], act=identity) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=rect, d_act=hardtanh) L = logistic(i_size=hp['hsize'], h_size=1) #, act = identity) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act=identity) #valid_embedding.params['weights'].set_value(embedding.params['weights'].get_value(borrow=True)) #valid_embedding.params['bias'].set_value(embedding.params['bias'].get_value(borrow=True)) lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = embedding.encode(s_posit).reshape( (1, hp['embedsize'] * hp['wsize'])) negat_embed = embedding.encode(s_negat).reshape( (hp['nneg'], hp['embedsize'] * hp['wsize'])) #valid_embed = valid_embedding.encode(s_valid).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) #valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) CC = (rect(C)).mean() opt = theano.function([s_posit, s_negat], C.mean(), updates=dict( L.update(CC, lr) + H.update(CC, lr) + embedding.update_norm(CC, lr))) #validfct = theano.function([s_valid],valid_score) #print 'Random Valid Mean rank',evaluation.error(validsentence, validfct, nsenna, hp['wsize']) #load(valid_embedding,'files/gutensubsetdense_exp.py_embedding.pkl') load(embedding, 'files/gutensubsetdense_exp.py_embedding.pkl') load(H, 'files/gutensubsetdense_exp.py_hidden.pkl') load(L, 'files/gutensubsetdense_exp.py_logistic.pkl') delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 freq_idx = cPickle.load( open('/data/lisatmp2/rifaisal/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [hashtab[idx] for idx in freq_idx] fname = sys.argv[0] + '_' for e in range(hp['epoch']): c = [] for i in range(nsent): rsent = numpy.random.randint(nsent - 1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low=delta, high=nword - delta) pchunk = sentences[rsent][pidx - delta:pidx + delta + rest] nchunk = [] st = sentences[rsent][pidx - delta:pidx] en = sentences[rsent][pidx + 1:pidx + delta + rest] rndidx = numpy.random.randint(nsenna, size=(hp['nneg'], )) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk) * hp['nneg'] #start = time.time() p, n = (idx2mat(pchunk, nsenna), idx2mat(nchunk, nsenna)) #print 'Select row:',time.time()-start, #start = time.time() c.append(opt(p, n)) #print 'grad up:',time.time()-start if i % hp['freq'] == 0: print e, i, numpy.array(c).mean(0) ne = knn(freq_idx, embedding.params['weights'].get_value(borrow=True)) save(embedding, fname + 'embedding.pkl') save(H, fname + 'hidden.pkl') save(L, fname + 'logistic.pkl') sys.stdout.flush() open('files/' + fname + 'nearest.txt', 'w').write(display(ne, senna)) #print 'Valid Mean rank',evaluation.error(validsentence, validfct, nsenna, hp['wsize']) save(embedding, fname + 'embedding.pkl') save(H, fname + 'hidden.pkl') save(L, fname + 'logistic.pkl')
def run(jobman,debug = False): expstart = time.time() hp = jobman.state if not os.path.exists('files/'): os.mkdir('files/') # Symbolic variables s_posit = T.matrix() s_negat = T.matrix() idx_start = T.lscalar() idx_stop = T.lscalar() s_valid = theano.sparse.csr_matrix() w2i = cPickle.load(open('/mnt/scratch/bengio/bengio_group/data/gutenberg/merged_word2idx.pkl')) i2w = dict( (v,k) for k,v in w2i.iteritems() ) i2w[0] = 'UNK' senna = [ i2w[i] for i in range(len(i2w.keys())) ] nsenna = len(senna) embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act = identity) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = T.tanh) L = logistic(i_size = hp['hsize'], h_size = 1, act = identity) del H.params['d_bias'] del embedding.params['d_bias'] del embedding.params['e_bias'] minsize = hp['minsize'] maxsize = hp['maxsize'] dsize = maxsize - minsize +1 H.params['e_bias'] = theano.shared( numpy.array(numpy.zeros((dsize,hp['hsize'])),dtype=theano.config.floatX),name='e_bias') path = hp['loadpath'] if path: load(embedding,path+'/embedding.pkl') #load(H,path+'/hidden.pkl') #load(L,path+'/logistic.pkl') hp['embedsize'] = embedding.params['e_weights'].get_value(borrow=True).shape[1] #hp['hsize'] = H.params['e_weights'].get_value(borrow=True).shape[1] jobman.save() H.params['e_bias'] = theano.shared( numpy.array(numpy.zeros((dsize,hp['hsize'])),dtype=theano.config.floatX),name='e_bias') valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act = identity) valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = T.dot(s_posit, embedding.params['e_weights']).reshape((1,hp['embedsize']*hp['wsize'])) negat_embed = T.dot(s_negat, embedding.params['e_weights']).reshape((hp['nneg'],hp['embedsize']*hp['wsize'])) valid_embed = sp.dot(s_valid,valid_embedding.params['weights']).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_embed_left = T.concatenate([posit_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']], T.zeros_like(posit_embed[:,idx_stop*hp['embedsize']:]) ],axis=1) negat_embed_left = T.concatenate([negat_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']], T.zeros_like(negat_embed[:,idx_stop*hp['embedsize']:]) ],axis=1) posit_embed_right = T.concatenate([ T.zeros_like(posit_embed[:,:idx_start*hp['embedsize']]), posit_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']]],axis=1) negat_embed_right = T.concatenate([ T.zeros_like(negat_embed[:,:idx_start*hp['embedsize']]), negat_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']]],axis=1) posit_embed = T.concatenate([ T.zeros_like(posit_embed[:,:idx_start*hp['embedsize']]), posit_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']], T.zeros_like(posit_embed[:,idx_stop*hp['embedsize']:]) ],axis=1) negat_embed = T.concatenate([ T.zeros_like(negat_embed[:,:idx_start*hp['embedsize']]), negat_embed[:,idx_start*hp['embedsize']:idx_stop*hp['embedsize']], T.zeros_like(negat_embed[:,idx_stop*hp['embedsize']:]) ],axis=1) #posit_embed = ifelse(T.eq(idx_start, 0), posit_embed_left, posit_embed) #posit_embed = ifelse(T.eq(idx_stop, hp['maxsize']), posit_embed_right, posit_embed) #negat_embed = ifelse(T.eq(idx_start, 0), negat_embed_left, negat_embed) #negat_embed = ifelse(T.eq(idx_stop, hp['maxsize']), negat_embed_right, negat_embed) Hposit = T.tanh(T.dot(posit_embed,H.params['e_weights']) + H.params['e_bias'][idx_stop-idx_start-minsize,:]) Hnegat = T.tanh(T.dot(negat_embed,H.params['e_weights']) + H.params['e_bias'][idx_stop-idx_start-minsize,:]) posit_score = L.encode(Hposit) negat_score = L.encode(Hnegat) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) CC = (rect(C)).mean() opt = theano.function([s_posit, s_negat, idx_start, idx_stop], (rect(C)).mean(), updates = dict( L.update(CC,lr) + H.update(CC,lr) + embedding.update_norm(CC,lr)) ) validfct = theano.function([s_valid],valid_score) def saveexp(): save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl') delta = hp['wsize']/2 rest = hp['wsize']%2 freq_idx = cPickle.load(open('/mnt/scratch/bengio/bengio_group/data/gutenberg/sorted_vocab.pkl'))[:2000] fname = '' validsentence = []# cPickle.load(open('/scratch/rifaisal/data/wiki_april_2010/valid_debug.pkl')) tseenwords = not debug for e in range(hp['epoch']): hp['split'] = numpy.random.randint(45) sentences = cPickle.load(open('/mnt/scratch/bengio/bengio_group/data/gutenberg/ints_50000/split'+str(hp['split'])+'.pkl')) nsent = len(sentences) bigc = [] bigr = [] seen_words = 0 for i,s in enumerate(sentences): nword = len(s) seen_words += nword tseenwords += nword if nword < hp['maxsize'] + 2: continue rndsize = numpy.random.randint(low=hp['minsize']+1,high=hp['maxsize']-1) idxsta = numpy.random.randint(low=1, high=hp['maxsize']-rndsize) idxsto = idxsta+rndsize print 'r',rndsize,'b',idxsta,'e',idxsto,'shape',H.params['e_bias'].get_value().shape c =[] r =[] if debug: print ' *** Processing document',i,'with',nword, sys.stdout.flush() for j in range(delta,nword-delta): nd = rndsize/2 rd = rndsize%2 pchunk = s[j-delta:j+delta+rest] nchunk = [] rndidx = numpy.random.randint(nsenna, size = (hp['nneg'],)) nchunk = [] for kk in range(hp['nneg']): tmpchunk = copy.copy(pchunk) tmpchunk[idxsta+nd] = rndidx[kk] nchunk += tmpchunk assert len(nchunk) == len(pchunk)*hp['nneg'] p, n = (idx2mat(pchunk,nsenna), idx2mat(nchunk,nsenna)) l = opt(p,n, idxsta, idxsto) c.append(l) if debug: print '.', break if debug: print '' bigc += [numpy.array(c).sum()] if 0:#(time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (tseenwords)>(10*hp['freq']): tseenwords = 0 valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk jobman.save() saveexp() print 'Random Valid Mean rank',mrk if seen_words > hp['freq'] or debug: seen_words = 0 hp['score'] = numpy.array(bigc).mean() hp['e'] = e hp['i'] = i print '' print e,i,'NN Score:', hp['score'] if not debug: ne = knn(freq_idx,embedding.params['e_weights'].get_value(borrow=True)) open('files/'+fname+'nearest.txt','w').write(display(ne,senna)) saveexp() sys.stdout.flush() jobman.save() saveexp()
def run(jobman, debug=False): expstart = time.time() hp = jobman.state if not os.path.exists('files/'): os.mkdir('files/') # Symbolic variables s_posit = T.matrix() s_negat = T.matrix() idx_start = T.lscalar() idx_stop = T.lscalar() s_valid = theano.sparse.csr_matrix() w2i = cPickle.load( open( '/mnt/scratch/bengio/bengio_group/data/gutenberg/merged_word2idx.pkl' )) i2w = dict((v, k) for k, v in w2i.iteritems()) i2w[0] = 'UNK' senna = [i2w[i] for i in range(len(i2w.keys()))] nsenna = len(senna) embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act=identity) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=T.tanh) L = logistic(i_size=hp['hsize'], h_size=1, act=identity) del H.params['d_bias'] del embedding.params['d_bias'] del embedding.params['e_bias'] minsize = hp['minsize'] maxsize = hp['maxsize'] dsize = maxsize - minsize + 1 H.params['e_bias'] = theano.shared(numpy.array(numpy.zeros( (dsize, hp['hsize'])), dtype=theano.config.floatX), name='e_bias') path = hp['loadpath'] if path: load(embedding, path + '/embedding.pkl') #load(H,path+'/hidden.pkl') #load(L,path+'/logistic.pkl') hp['embedsize'] = embedding.params['e_weights'].get_value( borrow=True).shape[1] #hp['hsize'] = H.params['e_weights'].get_value(borrow=True).shape[1] jobman.save() H.params['e_bias'] = theano.shared(numpy.array(numpy.zeros( (dsize, hp['hsize'])), dtype=theano.config.floatX), name='e_bias') valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act=identity) valid_embedding.params['weights'] = sp.shared( value=scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value( borrow=True))) lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = T.dot(s_posit, embedding.params['e_weights']).reshape( (1, hp['embedsize'] * hp['wsize'])) negat_embed = T.dot(s_negat, embedding.params['e_weights']).reshape( (hp['nneg'], hp['embedsize'] * hp['wsize'])) valid_embed = sp.dot(s_valid, valid_embedding.params['weights']).reshape( (nsenna, hp['embedsize'] * hp['wsize'])) posit_embed_left = T.concatenate([ posit_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']], T.zeros_like(posit_embed[:, idx_stop * hp['embedsize']:]) ], axis=1) negat_embed_left = T.concatenate([ negat_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']], T.zeros_like(negat_embed[:, idx_stop * hp['embedsize']:]) ], axis=1) posit_embed_right = T.concatenate([ T.zeros_like(posit_embed[:, :idx_start * hp['embedsize']]), posit_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']] ], axis=1) negat_embed_right = T.concatenate([ T.zeros_like(negat_embed[:, :idx_start * hp['embedsize']]), negat_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']] ], axis=1) posit_embed = T.concatenate([ T.zeros_like(posit_embed[:, :idx_start * hp['embedsize']]), posit_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']], T.zeros_like(posit_embed[:, idx_stop * hp['embedsize']:]) ], axis=1) negat_embed = T.concatenate([ T.zeros_like(negat_embed[:, :idx_start * hp['embedsize']]), negat_embed[:, idx_start * hp['embedsize']:idx_stop * hp['embedsize']], T.zeros_like(negat_embed[:, idx_stop * hp['embedsize']:]) ], axis=1) #posit_embed = ifelse(T.eq(idx_start, 0), posit_embed_left, posit_embed) #posit_embed = ifelse(T.eq(idx_stop, hp['maxsize']), posit_embed_right, posit_embed) #negat_embed = ifelse(T.eq(idx_start, 0), negat_embed_left, negat_embed) #negat_embed = ifelse(T.eq(idx_stop, hp['maxsize']), negat_embed_right, negat_embed) Hposit = T.tanh( T.dot(posit_embed, H.params['e_weights']) + H.params['e_bias'][idx_stop - idx_start - minsize, :]) Hnegat = T.tanh( T.dot(negat_embed, H.params['e_weights']) + H.params['e_bias'][idx_stop - idx_start - minsize, :]) posit_score = L.encode(Hposit) negat_score = L.encode(Hnegat) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) CC = (rect(C)).mean() opt = theano.function([s_posit, s_negat, idx_start, idx_stop], (rect(C)).mean(), updates=dict( L.update(CC, lr) + H.update(CC, lr) + embedding.update_norm(CC, lr))) validfct = theano.function([s_valid], valid_score) def saveexp(): save(embedding, fname + 'embedding.pkl') save(H, fname + 'hidden.pkl') save(L, fname + 'logistic.pkl') delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 freq_idx = cPickle.load( open('/mnt/scratch/bengio/bengio_group/data/gutenberg/sorted_vocab.pkl' ))[:2000] fname = '' validsentence = [ ] # cPickle.load(open('/scratch/rifaisal/data/wiki_april_2010/valid_debug.pkl')) tseenwords = not debug for e in range(hp['epoch']): hp['split'] = numpy.random.randint(45) sentences = cPickle.load( open( '/mnt/scratch/bengio/bengio_group/data/gutenberg/ints_50000/split' + str(hp['split']) + '.pkl')) nsent = len(sentences) bigc = [] bigr = [] seen_words = 0 for i, s in enumerate(sentences): nword = len(s) seen_words += nword tseenwords += nword if nword < hp['maxsize'] + 2: continue rndsize = numpy.random.randint(low=hp['minsize'] + 1, high=hp['maxsize'] - 1) idxsta = numpy.random.randint(low=1, high=hp['maxsize'] - rndsize) idxsto = idxsta + rndsize print 'r', rndsize, 'b', idxsta, 'e', idxsto, 'shape', H.params[ 'e_bias'].get_value().shape c = [] r = [] if debug: print ' *** Processing document', i, 'with', nword, sys.stdout.flush() for j in range(delta, nword - delta): nd = rndsize / 2 rd = rndsize % 2 pchunk = s[j - delta:j + delta + rest] nchunk = [] rndidx = numpy.random.randint(nsenna, size=(hp['nneg'], )) nchunk = [] for kk in range(hp['nneg']): tmpchunk = copy.copy(pchunk) tmpchunk[idxsta + nd] = rndidx[kk] nchunk += tmpchunk assert len(nchunk) == len(pchunk) * hp['nneg'] p, n = (idx2mat(pchunk, nsenna), idx2mat(nchunk, nsenna)) l = opt(p, n, idxsta, idxsto) c.append(l) if debug: print '.', break if debug: print '' bigc += [numpy.array(c).sum()] if 0: #(time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (tseenwords)>(10*hp['freq']): tseenwords = 0 valid_embedding.params['weights'] = sp.shared( value=scipy.sparse.csr_matrix( embedding.params['e_weights'].get_value(borrow=True))) mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk jobman.save() saveexp() print 'Random Valid Mean rank', mrk if seen_words > hp['freq'] or debug: seen_words = 0 hp['score'] = numpy.array(bigc).mean() hp['e'] = e hp['i'] = i print '' print e, i, 'NN Score:', hp['score'] if not debug: ne = knn( freq_idx, embedding.params['e_weights'].get_value(borrow=True)) open('files/' + fname + 'nearest.txt', 'w').write(display(ne, senna)) saveexp() sys.stdout.flush() jobman.save() saveexp()
def score(jobman, path): hp = jobman.state nsenna = 30000 PATH = '/scratch/rifaisal/msrtest/test/' delta = hp['wsize'] / 2 rest = hp['wsize'] % 2 sent = T.matrix() embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act=identity) H = ae(i_size=hp['embedsize'] * hp['wsize'], h_size=hp['hsize'], e_act=T.tanh) L = logistic(i_size=hp['hsize'], h_size=1, act=identity) load(embedding, path + '/embedding.pkl') load(H, path + '/hidden.pkl') load(L, path + '/logistic.pkl') posit_embed = T.dot(sent, embedding.params['e_weights']).reshape( (1, hp['embedsize'] * hp['wsize'])) posit_score = H.encode(posit_embed) scoreit = theano.function([sent], posit_score) sentences = parse_data() scores = [] esims = [] msim = [] hsim = [] Em = embedding.params['e_weights'].get_value(borrow=True) for i, (sc, w1, w2, c1, c2) in enumerate(sentences): sys.stdout.flush() c1 = [29999] * 10 + c1 + [29999] * 10 c2 = [29999] * 10 + c2 + [29999] * 10 w1seqs = [c1[10 + idx - delta:10 + idx + delta + rest] for idx in w1] w2seqs = [c2[10 + idx - delta:10 + idx + delta + rest] for idx in w2] c = [] w1em = Em[c1[10 + w1[0]]] w2em = Em[c2[10 + w2[0]]] w1sc = numpy.concatenate([ scoreit(idx2mat(w1seqs[0], nsenna)).flatten(), Em[c1[10 + w1[0]]] ]) w2sc = numpy.concatenate([ scoreit(idx2mat(w2seqs[0], nsenna)).flatten(), Em[c2[10 + w2[0]]] ]) metric = L.params['weights'].get_value(borrow=True).flatten() sim = -(((w1sc - w2sc))**2).sum() esim = -((w1em - w2em)**2).sum() msim.append(sim) esims.append(esim) hsim.append(numpy.mean(sc)) print 'Model:', scipy.stats.spearmanr( numpy.array(hsim), numpy.array(msim))[0], ', Embeddings:', scipy.stats.spearmanr( numpy.array(hsim), numpy.array(esims))[0]
def msrerror(vocab,jobman): hp = jobman.state nsenna = 30000 PATH = '/scratch/rifaisal/msrtest/test/' delta = hp['wsize']/2 rest = hp['wsize']%2 sent = T.matrix() embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act = identity) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = T.tanh) L = logistic(i_size = hp['hsize'], h_size = 1, act = identity) path = hp['loadpath'] load(embedding,path+'/embedding.pkl') load(H,path+'/hidden.pkl') load(L,path+'/logistic.pkl') posit_embed = T.dot(sent, embedding.params['e_weights']).reshape((1,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) fct = theano.function([sent],posit_score) sentences = idxdataset(vocab) scores = [] for i,s in enumerate(sentences): print i, sys.stdout.flush() nword = len(s) if nword < hp['wsize'] + 2: #print i,'Failure' s += [29999]*3 c =[] for j in range(delta,nword-delta): pchunk = s[j-delta:j+delta+rest] p = idx2mat(pchunk,nsenna) l = fct(p) c.append(l) if not len(c): print 'pas bim' scores.append(0) else: scores.append(numpy.mean(c)) #if i%5 == 0: # print scores[i-5:i] score_template = open(PATH+'data/Holmes.lm_format.questions.txt') score_output = open('energy.lm_output.txt','w') sentencelist = score_template.readlines() for sc,sentence in zip(scores, sentencelist): score_output.write(sentence.split('\n')[0]+'\t'+str(sc)+'\n') score_output.close() pipebestof5 = subprocess.Popen(['perl', PATH+'bestof5.pl','./energy.lm_output.txt'],stdout=subprocess.PIPE) energyanswer = open('./energy.answers','w') for line in pipebestof5.stdout: energyanswer.write(line) energyanswer.close() pipescore = subprocess.Popen(['perl', PATH+'score.pl','./energy.answers',PATH+'data/Holmes.lm_format.answers.txt'],stdout=subprocess.PIPE) legend = ['correct','%correct','valid','test'] out = zip(legend,[ r.split('\n')[0] for r in pipescore.stdout.readlines()[-4:] ]) res = dict(out) res = dict( (k,float(v)) for k,v in res.iteritems()) print res print out
def run(jobman,debug = False): hp = jobman.state # Symbolic variables s_posit = T.matrix()#theano.sparse.csr_matrix() s_negat = T.matrix()#theano.sparse.csr_matrix() s_valid = theano.sparse.csr_matrix() sentences = cPickle.load(open('/data/lisatmp2/rifaisal/guten_subset_idx.pkl')) validsentence = sentences[-10:] sentences = sentences[:-10] senna = cPickle.load(open('/data/lisatmp2/rifaisal/senna.pkl')) gsubset = cPickle.load(open('/data/lisatmp2/rifaisal/guten_vocab_subset.pkl')).flatten().tolist() hashtab = dict( zip( gsubset, range( len( gsubset)))) senna = numpy.array(senna)[gsubset].tolist() nsent = len(sentences) nsenna = len(senna) # Layers embedding = logistic(i_size=nsenna, h_size=hp['embedsize'], act = identity) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = rect, d_act = hardtanh) L = logistic(i_size = hp['hsize'], h_size = 1)#, act = identity) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act = identity) #valid_embedding.params['weights'].set_value(embedding.params['weights'].get_value(borrow=True)) #valid_embedding.params['bias'].set_value(embedding.params['bias'].get_value(borrow=True)) lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = embedding.encode(s_posit).reshape((1,hp['embedsize']*hp['wsize'])) negat_embed = embedding.encode(s_negat).reshape((hp['nneg'],hp['embedsize']*hp['wsize'])) #valid_embed = valid_embedding.encode(s_valid).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) #valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) CC = (rect(C)).mean() opt = theano.function([s_posit, s_negat], C.mean(), updates = dict( L.update(CC,lr) + H.update(CC,lr) + embedding.update_norm(CC,lr)) ) #validfct = theano.function([s_valid],valid_score) #print 'Random Valid Mean rank',evaluation.error(validsentence, validfct, nsenna, hp['wsize']) #load(valid_embedding,'files/gutensubsetdense_exp.py_embedding.pkl') load(embedding,'files/gutensubsetdense_exp.py_embedding.pkl') load(H,'files/gutensubsetdense_exp.py_hidden.pkl') load(L,'files/gutensubsetdense_exp.py_logistic.pkl') delta = hp['wsize']/2 rest = hp['wsize']%2 freq_idx = cPickle.load(open('/data/lisatmp2/rifaisal/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [ hashtab[idx] for idx in freq_idx ] fname = sys.argv[0]+'_' for e in range(hp['epoch']): c = [] for i in range(nsent): rsent = numpy.random.randint(nsent-1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low = delta, high = nword-delta) pchunk = sentences[rsent][pidx-delta:pidx+delta+rest] nchunk = [] st = sentences[rsent][pidx-delta:pidx] en = sentences[rsent][pidx+1:pidx+delta+rest] rndidx = numpy.random.randint(nsenna, size = (hp['nneg'],)) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk)*hp['nneg'] #start = time.time() p, n = (idx2mat(pchunk,nsenna), idx2mat(nchunk,nsenna)) #print 'Select row:',time.time()-start, #start = time.time() c.append(opt(p,n)) #print 'grad up:',time.time()-start if i%hp['freq'] == 0: print e,i, numpy.array(c).mean(0) ne = knn(freq_idx,embedding.params['weights'].get_value(borrow=True)) save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl') sys.stdout.flush() open('files/'+fname+'nearest.txt','w').write(display(ne,senna)) #print 'Valid Mean rank',evaluation.error(validsentence, validfct, nsenna, hp['wsize']) save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl')
def run(jobman,debug = False): expstart = time.time() hp = jobman.state if not os.path.exists('files/'): os.mkdir('files/') # Symbolic variables s_bow = T.matrix() s_idx = T.iscalar() s_tf = T.scalar() s_posit = T.matrix()#theano.sparse.csr_matrix() s_negat = T.matrix()#theano.sparse.csr_matrix() sentences = cPickle.load(open('/scratch/rifaisal/data/guten/guten_subset_idx.pkl')) senna = cPickle.load(open('/scratch/rifaisal/data/guten/senna.pkl')) gsubset = cPickle.load(open('/scratch/rifaisal/data/guten/guten_vocab_subset.pkl')).flatten().tolist() hashtab = dict( zip( gsubset, range( len( gsubset)))) tfidf_data = numpy.load('/scratch/rifaisal/data/guten/guten_tfidf.npy').item().tocsr().astype('float32') #tfidf = cPickle.load(open('/scratch/rifaisal/repos/senna/gutentokenizer.pkl')) senna = numpy.array(senna)[gsubset].tolist() s_valid = theano.sparse.csr_matrix() validsentence = sentences[10000:10010] nsent = len(sentences) nsenna = len(senna) # Layers embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act = identity) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = T.tanh) L = logistic(i_size = hp['hsize'], h_size = 1, act = identity) S = logistic(i_size = hp['embedsize'], h_size = nsenna, act= T.nnet.softmax) valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act = identity) valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) valid_embedding.params['bias'] = embedding.params['e_bias'] lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = T.dot(s_posit, embedding.params['e_weights']).reshape((1,hp['embedsize']*hp['wsize'])) negat_embed = T.dot(s_negat, embedding.params['e_weights']).reshape((hp['nneg'],hp['embedsize']*hp['wsize'])) valid_embed = sp.dot(s_valid,valid_embedding.params['weights']).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) s_bow_pred = S.encode(embedding.encode(s_bow)) pred = s_tf * nllsoft(s_bow_pred,s_idx) CC = (rect(C)).mean() + hp['lambda'] * pred opt = theano.function([s_posit, s_negat, s_bow, s_idx, s_tf], [(rect(C)).mean(),pred], updates = dict( S.update(CC,lr) + L.update(CC,lr) + H.update(CC,lr) + embedding.update_norm(CC,lr)) ) #validfct = theano.function([s_valid],valid_score) def saveexp(): save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl') delta = hp['wsize']/2 rest = hp['wsize']%2 freq_idx = cPickle.load(open('/scratch/rifaisal/data/guten/gutten_sorted_vocab.pkl'))[:1000] freq_idx = [ hashtab[idx] for idx in freq_idx ] fname = '' for e in range(hp['epoch']): c = [] r = [] count = 1 for i in range(nsent): rsent = numpy.random.randint(nsent-1) nword = len(sentences[rsent]) if nword < hp['wsize'] + 2: continue pidx = numpy.random.randint(low = delta, high = nword-delta) pchunk = sentences[rsent][pidx-delta:pidx+delta+rest] nchunk = [] st = sentences[rsent][pidx-delta:pidx] en = sentences[rsent][pidx+1:pidx+delta+rest] rndidx = numpy.random.randint(nsenna, size = (hp['nneg'],)) nchunk = [] for j in range(hp['nneg']): nchunk += en + [rndidx[j]] + st assert len(nchunk) == len(pchunk)*hp['nneg'] tfidf_chunk = tfidf_data[rsent:rsent+1].toarray() #pdb.set_trace() tfidf_value = tfidf_chunk[0,sentences[rsent][pidx]] tfidf_chunk[0,sentences[rsent][pidx]] = 0. tfidx = sentences[rsent][pidx] # numpy.zeros(tfidf_chunk.shape).astype('float32') #tfidx[0,sentences[rsent][pidx]] = 1. p, n, b, iidx, tfval = (idx2mat(pchunk,nsenna), idx2mat(nchunk,nsenna), tfidf_chunk, tfidx, tfidf_value ) count += tfval!=0 l,g = opt(p,n,b, iidx, tfval) c = c c.append(l) r.append(g) """ if (time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (i+1)%(20*hp['freq']) == 0 and debug==False: valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk jobman.save() saveexp() print 'Random Valid Mean rank',mrk """ if (i+1)%hp['freq'] == 0 or debug: hp['score'] = numpy.array(c).sum() / (numpy.array(c)>0).sum() hp['pred'] = numpy.array(r).sum()/float(count) hp['e'] = e hp['i'] = i print '' print e,i,'NN Score:', hp['score'], 'Reconstruction:', hp['pred'] if debug != True: ne = knn(freq_idx,embedding.params['e_weights'].get_value(borrow=True)) open('files/'+fname+'nearest.txt','w').write(display(ne,senna)) saveexp() sys.stdout.flush() jobman.save() saveexp()
def run(jobman,debug = False): expstart = time.time() hp = jobman.state if not os.path.exists('files/'): os.mkdir('files/') # Symbolic variables s_posit = T.matrix() s_negat = T.matrix() s_valid = theano.sparse.csr_matrix() #vocab = cPickle.load(open('/scratch/rifaisal/data/guten/senna.pkl')) #senna = cPickle.load(open('/scratch/rifaisal/data/wiki_april_2010/WestburyLab.wikicorp.201004_vocab30k.pkl')) w2i = cPickle.load(open('/scratch/rifaisal/data/gutenberg_aistats/merged_word2idx.pkl')) i2w = dict( (v,k) for k,v in w2i.iteritems() ) i2w[0] = 'UNK' senna = [ i2w[i] for i in range(len(i2w.keys())) ] nsenna = len(senna) embedding = cae(i_size=nsenna, h_size=hp['embedsize'], e_act = identity) H = ae(i_size = hp['embedsize']*hp['wsize'], h_size=hp['hsize'], e_act = T.tanh) L = logistic(i_size = hp['hsize'], h_size = 1, act = identity) path = hp['loadpath'] if path: load(embedding,path+'/embedding.pkl') load(H,path+'/hidden.pkl') load(L,path+'/logistic.pkl') hp['embedsize'] = embedding.params['e_weights'].get_value(borrow=True).shape[1] hp['hsize'] = H.params['e_weights'].get_value(borrow=True).shape[1] jobman.save() valid_embedding = sparse.supervised.logistic(i_size=nsenna, h_size=hp['embedsize'], act = identity) valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) valid_embedding.params['bias'] = embedding.params['e_bias'] lr = hp['lr'] h_size = hp['hsize'] bs = hp['bs'] posit_embed = T.dot(s_posit, embedding.params['e_weights']).reshape((1,hp['embedsize']*hp['wsize'])) negat_embed = T.dot(s_negat, embedding.params['e_weights']).reshape((hp['nneg'],hp['embedsize']*hp['wsize'])) valid_embed = sp.dot(s_valid,valid_embedding.params['weights']).reshape((nsenna,hp['embedsize']*hp['wsize'])) posit_score = L.encode(H.encode(posit_embed)) negat_score = L.encode(H.encode(negat_embed)) valid_score = L.encode(H.encode(valid_embed)) C = (negat_score - posit_score.flatten() + hp['margin']) CC = (rect(C)).mean() opt = theano.function([s_posit, s_negat], (rect(C)).mean(), updates = dict( L.update(CC,lr) + H.update(CC,lr) + embedding.update_norm(CC,lr)) ) #validfct = theano.function([s_valid],valid_score) def saveexp(): save(embedding,fname+'embedding.pkl') save(H,fname+'hidden.pkl') save(L,fname+'logistic.pkl') delta = hp['wsize']/2 rest = hp['wsize']%2 #freq_idx = range(29000,30000) freq_idx = cPickle.load(open('/scratch/rifaisal/data/gutenberg_aistats/sorted_vocab.pkl'))[:2000] fname = '' #validsentence = cPickle.load(open('/scratch/rifaisal/data/gutenberg_aistats/valid.pkl')) tseenwords = not debug for e in range(hp['epoch']): hp['split'] = numpy.random.randint(45) sentences = cPickle.load(open('/scratch/rifaisal/data/gutenberg_aistats/split'+str(hp['split'])+'.pkl')) nsent = len(sentences) bigc = [] bigr = [] seen_words = 0 for i,s in enumerate(sentences): nword = len(s) seen_words += nword tseenwords += nword if nword < hp['wsize'] + 2: continue c =[] r =[] if debug: print ' *** Processing document',i,'with',nword, sys.stdout.flush() for j in range(delta,nword-delta): pchunk = s[j-delta:j+delta+rest] nchunk = [] st = s[j-delta:j] en = s[j+1:j+delta+rest] rndidx = numpy.random.randint(nsenna, size = (hp['nneg'],)) nchunk = [] for kk in range(hp['nneg']): nchunk += st + [rndidx[kk]] + en assert len(nchunk) == len(pchunk)*hp['nneg'] p, n = (idx2mat(pchunk,nsenna), idx2mat(nchunk,nsenna)) l = opt(p,n) c.append(l) if debug: print '.', break if debug: print '' bigc += [numpy.array(c).sum()] if 0:#(time.time() - expstart) > ( 3600 * 24 * 6 + 3600*20) or (tseenwords)>(10*hp['freq']): tseenwords = 0 valid_embedding.params['weights'] = sp.shared(value = scipy.sparse.csr_matrix(embedding.params['e_weights'].get_value(borrow=True))) mrk = evaluation.error(validsentence, validfct, nsenna, hp['wsize']) hp['mrk'] = mrk jobman.save() saveexp() print 'Random Valid Mean rank',mrk if seen_words > hp['freq'] or debug: seen_words = 0 hp['score'] = numpy.array(bigc).mean() hp['e'] = e hp['i'] = i print '' print e,i,'NN Score:', hp['score'] if not debug: ne = knn(freq_idx,embedding.params['e_weights'].get_value(borrow=True)) open('files/'+fname+'nearest.txt','w').write(display(ne,senna)) saveexp() sys.stdout.flush() jobman.save() saveexp()