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Remove dead code in sampler.py #19

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sunway513 wants to merge 1 commit into from
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Remove dead code in sampler.py #19

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20 changes: 0 additions & 20 deletions atom/model_ops/sampler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,6 @@

import torch
from aiter import mixed_sample_outer_exponential
from aiter.ops.triton.softmax import softmax
from aiter.ops.triton.topk import topk
from torch import nn


Expand All @@ -31,21 +29,3 @@ def forward(
sampled_tokens, logits, exponential, temperatures, eps=self.eps
)
return sampled_tokens
logits = logits.float()
return torch.where(
temperatures == 0, self.greedy_sample(logits), self.random_sample(logits)
).to(torch.int)

def greedy_sample(
self, logits: torch.Tensor # (token_num, vocab_size)
) -> torch.Tensor: # (token_num,)
_, sampled_tokens = topk(logits, 1)
return sampled_tokens.view(-1)

def random_sample(
self, logits: torch.Tensor # (token_num, vocab_size)
) -> torch.Tensor: # (token_num,)
probs = softmax(logits)
logits = probs.div_(torch.empty_like(probs).exponential_(1) + self.eps)
_, sampled_tokens = topk(logits, 1)
return sampled_tokens.view(-1)