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import math | |
import torch | |
import torch.nn as nn | |
import torch.nn.functional as F | |
from torch.nn import TransformerEncoder, TransformerEncoderLayer | |
class TransformerModel(nn.Module): | |
def __init__(self, ntoken, ninp, nhead, nhid, nlayers, dropout=0.5): |
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# Implementation of a chinese restaurant process function for a given list of word vectors. | |
def crp(vecs): | |
clusterVec = [[0.0] * 25] # tracks sum of vectors in a cluster | |
clusterIdx = [[]] # array of index arrays. e.g. [[1, 3, 5], [2, 4, 6]] | |
ncluster = 0 | |
# probablity to create a new table if new customer | |
# is not strongly "similar" to any existing table | |
pnew = 1.0/ (1 + ncluster) | |
N = len(vecs) | |
rands = [random.random() for x in range(N)] # N rand variables sampled from U(0, 1) |
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