NEG loss implemented in pytorch

Overview

Pytorch Negative Sampling Loss

Negative Sampling Loss implemented in PyTorch.

NEG Loss Equation

Usage

neg_loss = NEG_loss(num_classes, embedding_size)
    
optimizer = SGD(neg_loss.parameters(), 0.1)
    
for i in range(num_iterations):
    ''' 
    input is [batch_size] shaped tensors of Long type
    while target has shape of [batch_size, window_size]
    '''
    input, target = next_batch(batch_size)
        
    loss = neg_loss(input, target, num_sample)
    
    optimizer.zero_grad()
    loss.backward()
    optimizer.step()
    
word_embeddings = neg_loss.input_embeddings()        
Owner
Daniil Gavrilov
The Last AI Bender
Daniil Gavrilov
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