hdallatorre
commited on
Commit
•
67a854c
1
Parent(s):
8ff7e0c
Upload SegmentNT
Browse files- config.json +1 -1
- modeling_segment_nt.py +29 -27
- pytorch_model.bin +2 -2
config.json
CHANGED
@@ -40,7 +40,7 @@
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"num_layers_head": 2,
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"pad_token_id": 1,
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"position_embedding_type": "rotary",
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"rescaling_factor":
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"tie_word_embeddings": false,
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"token_dropout": false,
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"torch_dtype": "float32",
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"num_layers_head": 2,
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"pad_token_id": 1,
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"position_embedding_type": "rotary",
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"rescaling_factor": 2.44140625,
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"tie_word_embeddings": false,
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"token_dropout": false,
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"torch_dtype": "float32",
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modeling_segment_nt.py
CHANGED
@@ -115,56 +115,58 @@ class RotaryEmbedding(torch.nn.Module):
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super().__init__()
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# Extract argument from the config
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rescaling_factor = rotary_embedding_config.rescaling_factor
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upper_freq = 10000
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if rescaling_factor is None:
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inv_freq = 1.0 / (upper_freq ** (torch.arange(0, dim, 2).float() / dim))
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else:
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updated_base = upper_freq * (
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rescaling_factor ** (dim / (dim - 2))
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)
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inv_freq = 1.0 / (
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updated_base ** (torch.arange(0, dim, 2).float() / dim)
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)
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self.register_buffer("inv_freq", inv_freq)
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self._seq_len_cached = None
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self._cos_cached = None
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self._sin_cached = None
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seq_len = x.shape[seq_dimension]
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# Reset the tables if the sequence length has changed,
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# or if we're on a new device (possibly due to tracing for instance)
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emb = torch.cat((freqs, freqs), dim=-1).to(x.device)
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return self._cos_cached, self._sin_cached
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def forward(
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self, q: torch.Tensor, k: torch.Tensor
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) -> Tuple[torch.Tensor, torch.Tensor]:
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return (
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apply_rotary_pos_emb(q, self._cos_cached, self._sin_cached),
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apply_rotary_pos_emb(k, self._cos_cached, self._sin_cached),
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)
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class EsmContactPredictionHead(nn.Module):
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"""Performs symmetrization, apc, and computes a logistic regression on the output features"""
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super().__init__()
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# Extract argument from the config
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self.rescaling_factor = rotary_embedding_config.rescaling_factor
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self.upper_freq = 10000
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self.dim = dim
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self._seq_len_cached = None
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self._cos_cached = None
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self._sin_cached = None
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def _compute_cos_sin_tables(self, x, inv_freq, seq_dimension=2):
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seq_len = x.shape[seq_dimension]
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# Reset the tables if the sequence length has changed,
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# or if we're on a new device (possibly due to tracing for instance)
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self._seq_len_cached = seq_len
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t = torch.arange(x.shape[seq_dimension], device=x.device).type_as(
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inv_freq
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)
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freqs = torch.outer(t, inv_freq)
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emb = torch.cat((freqs, freqs), dim=-1).to(x.device)
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self._cos_cached = emb.cos()[None, None, :, :]
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self._sin_cached = emb.sin()[None, None, :, :]
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return self._cos_cached, self._sin_cached
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def forward(
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self, q: torch.Tensor, k: torch.Tensor
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) -> Tuple[torch.Tensor, torch.Tensor]:
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if self.rescaling_factor is None:
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inv_freq = 1.0 / (self.upper_freq ** (torch.arange(0, self.dim, 2).float() / self.dim))
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else:
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updated_base = self.upper_freq * (
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self.rescaling_factor ** (self.dim / (self.dim - 2))
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)
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inv_freq = 1.0 / (
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updated_base ** (torch.arange(0, self.dim, 2).float() / self.dim)
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)
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self._cos_cached, self._sin_cached = self._compute_cos_sin_tables(
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k, inv_freq, seq_dimension=-2,
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)
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return (
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apply_rotary_pos_emb(q, self._cos_cached, self._sin_cached),
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apply_rotary_pos_emb(k, self._cos_cached, self._sin_cached),
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)
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class EsmContactPredictionHead(nn.Module):
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"""Performs symmetrization, apc, and computes a logistic regression on the output features"""
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pytorch_model.bin
CHANGED
@@ -1,3 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:
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size
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version https://git-lfs.github.com/spec/v1
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+
oid sha256:d28fe8a570c68cd94353e565e25b23ba8c521f73d9e6d530f39b950ea458c67e
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+
size 2237465429
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