Convert formatting to use ruff instead of yapf + isort (#26247)
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
This commit is contained in:
@@ -19,6 +19,7 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Inference-only GPT-2 model compatible with HuggingFace weights."""
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from collections.abc import Iterable
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from itertools import islice
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from typing import Optional, Union
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@@ -31,27 +32,36 @@ from vllm.attention import Attention
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from vllm.compilation.decorators import support_torch_compile
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from vllm.config import CacheConfig, VllmConfig
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from vllm.distributed.parallel_state import (
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get_pp_group, get_tensor_model_parallel_world_size)
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get_pp_group,
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get_tensor_model_parallel_world_size,
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)
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from vllm.model_executor.layers.activation import get_act_fn
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from vllm.model_executor.layers.linear import (ColumnParallelLinear,
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QKVParallelLinear,
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RowParallelLinear)
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from vllm.model_executor.layers.linear import (
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ColumnParallelLinear,
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QKVParallelLinear,
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RowParallelLinear,
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)
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from vllm.model_executor.layers.logits_processor import LogitsProcessor
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from vllm.model_executor.layers.quantization import QuantizationConfig
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from vllm.model_executor.layers.vocab_parallel_embedding import (
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ParallelLMHead, VocabParallelEmbedding)
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ParallelLMHead,
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VocabParallelEmbedding,
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)
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from vllm.model_executor.model_loader.weight_utils import default_weight_loader
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from vllm.sequence import IntermediateTensors
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from ..layers.pooler import DispatchPooler, Pooler
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from .interfaces import SupportsPP
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from .utils import (AutoWeightsLoader, is_pp_missing_parameter,
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make_empty_intermediate_tensors_factory, make_layers,
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maybe_prefix)
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from .utils import (
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AutoWeightsLoader,
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is_pp_missing_parameter,
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make_empty_intermediate_tensors_factory,
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make_layers,
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maybe_prefix,
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)
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class GPT2Attention(nn.Module):
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def __init__(
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self,
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config: GPT2Config,
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@@ -62,8 +72,7 @@ class GPT2Attention(nn.Module):
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super().__init__()
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self.hidden_size = config.hidden_size
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total_num_heads = config.num_attention_heads
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tensor_model_parallel_world_size = (
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get_tensor_model_parallel_world_size())
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tensor_model_parallel_world_size = get_tensor_model_parallel_world_size()
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assert total_num_heads % tensor_model_parallel_world_size == 0
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self.num_heads = total_num_heads // tensor_model_parallel_world_size
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self.head_dim = self.hidden_size // total_num_heads
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@@ -84,12 +93,14 @@ class GPT2Attention(nn.Module):
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quant_config=quant_config,
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prefix=f"{prefix}.c_proj",
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)
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self.attn = Attention(self.num_heads,
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self.head_dim,
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scale=self.scale,
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cache_config=cache_config,
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quant_config=quant_config,
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prefix=f"{prefix}.attn")
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self.attn = Attention(
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self.num_heads,
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self.head_dim,
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scale=self.scale,
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cache_config=cache_config,
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quant_config=quant_config,
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prefix=f"{prefix}.attn",
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)
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def forward(
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self,
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@@ -103,7 +114,6 @@ class GPT2Attention(nn.Module):
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class GPT2MLP(nn.Module):
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def __init__(
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self,
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intermediate_size: int,
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@@ -137,7 +147,6 @@ class GPT2MLP(nn.Module):
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class GPT2Block(nn.Module):
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def __init__(
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self,
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config: GPT2Config,
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@@ -147,19 +156,14 @@ class GPT2Block(nn.Module):
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):
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super().__init__()
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hidden_size = config.hidden_size
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inner_dim = (config.n_inner if config.n_inner is not None else 4 *
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hidden_size)
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inner_dim = config.n_inner if config.n_inner is not None else 4 * hidden_size
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self.ln_1 = nn.LayerNorm(hidden_size, eps=config.layer_norm_epsilon)
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self.attn = GPT2Attention(config,
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cache_config,
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quant_config,
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prefix=f"{prefix}.attn")
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self.attn = GPT2Attention(
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config, cache_config, quant_config, prefix=f"{prefix}.attn"
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)
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self.ln_2 = nn.LayerNorm(hidden_size, eps=config.layer_norm_epsilon)
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self.mlp = GPT2MLP(inner_dim,
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config,
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quant_config,
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prefix=f"{prefix}.mlp")
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self.mlp = GPT2MLP(inner_dim, config, quant_config, prefix=f"{prefix}.mlp")
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def forward(
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self,
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@@ -181,7 +185,6 @@ class GPT2Block(nn.Module):
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@support_torch_compile
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class GPT2Model(nn.Module):
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def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
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super().__init__()
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@@ -194,20 +197,22 @@ class GPT2Model(nn.Module):
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assert not config.scale_attn_by_inverse_layer_idx
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assert not config.reorder_and_upcast_attn
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self.embed_dim = config.hidden_size
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self.wte = VocabParallelEmbedding(config.vocab_size,
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self.embed_dim,
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quant_config=quant_config,
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prefix=f"{prefix}.wte")
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self.wte = VocabParallelEmbedding(
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config.vocab_size,
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self.embed_dim,
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quant_config=quant_config,
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prefix=f"{prefix}.wte",
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)
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self.wpe = nn.Embedding(config.max_position_embeddings, self.embed_dim)
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self.start_layer, self.end_layer, self.h = make_layers(
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config.num_hidden_layers,
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lambda prefix: GPT2Block(
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config, cache_config, quant_config, prefix=prefix),
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prefix=f"{prefix}.h")
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lambda prefix: GPT2Block(config, cache_config, quant_config, prefix=prefix),
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prefix=f"{prefix}.h",
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)
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self.ln_f = nn.LayerNorm(self.embed_dim, eps=config.layer_norm_epsilon)
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self.make_empty_intermediate_tensors = (
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make_empty_intermediate_tensors_factory(["hidden_states"],
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config.n_embd))
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self.make_empty_intermediate_tensors = make_empty_intermediate_tensors_factory(
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["hidden_states"], config.n_embd
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)
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def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
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return self.wte(input_ids)
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@@ -237,8 +242,7 @@ class GPT2Model(nn.Module):
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hidden_states = self.ln_f(hidden_states)
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return hidden_states
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def load_weights(self, weights: Iterable[tuple[str,
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torch.Tensor]]) -> set[str]:
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def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
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params_dict = dict(self.named_parameters(remove_duplicate=False))
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loaded_params: set[str] = set()
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for name, loaded_weight in weights:
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@@ -260,34 +264,35 @@ class GPT2Model(nn.Module):
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if not name.endswith(".weight"):
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continue
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loaded_weight = loaded_weight.t()
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weight_loader = getattr(param, "weight_loader",
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default_weight_loader)
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weight_loader = getattr(param, "weight_loader", default_weight_loader)
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weight_loader(param, loaded_weight)
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loaded_params.add(name)
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return loaded_params
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class GPT2LMHeadModel(nn.Module, SupportsPP):
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def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
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super().__init__()
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config = vllm_config.model_config.hf_config
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quant_config = vllm_config.quant_config
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self.config = config
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self.quant_config = quant_config
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self.transformer = GPT2Model(vllm_config=vllm_config,
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prefix=maybe_prefix(
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prefix, "transformer"))
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self.lm_head = ParallelLMHead(self.config.vocab_size,
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self.config.hidden_size,
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quant_config=quant_config,
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prefix=f"{prefix}.lm_head")
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self.transformer = GPT2Model(
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vllm_config=vllm_config, prefix=maybe_prefix(prefix, "transformer")
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)
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self.lm_head = ParallelLMHead(
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self.config.vocab_size,
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self.config.hidden_size,
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quant_config=quant_config,
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prefix=f"{prefix}.lm_head",
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)
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if self.config.tie_word_embeddings:
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self.lm_head = self.lm_head.tie_weights(self.transformer.wte)
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self.logits_processor = LogitsProcessor(config.vocab_size)
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self.make_empty_intermediate_tensors = (
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self.transformer.make_empty_intermediate_tensors)
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self.transformer.make_empty_intermediate_tensors
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)
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def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
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return self.transformer.get_input_embeddings(input_ids)
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@@ -299,8 +304,9 @@ class GPT2LMHeadModel(nn.Module, SupportsPP):
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intermediate_tensors: Optional[IntermediateTensors] = None,
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inputs_embeds: Optional[torch.Tensor] = None,
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) -> Union[torch.Tensor, IntermediateTensors]:
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hidden_states = self.transformer(input_ids, positions,
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intermediate_tensors, inputs_embeds)
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hidden_states = self.transformer(
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input_ids, positions, intermediate_tensors, inputs_embeds
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)
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return hidden_states
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def compute_logits(
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@@ -310,8 +316,7 @@ class GPT2LMHeadModel(nn.Module, SupportsPP):
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logits = self.logits_processor(self.lm_head, hidden_states)
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return logits
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def load_weights(self, weights: Iterable[tuple[str,
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torch.Tensor]]) -> set[str]:
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def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
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loader = AutoWeightsLoader(self)
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weights = _add_transformer_prefix(weights)
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return loader.load_weights(weights)
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@@ -334,22 +339,25 @@ class GPT2ForSequenceClassification(nn.Module):
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def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
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super().__init__()
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config = vllm_config.model_config.hf_config
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self.transformer = GPT2Model(vllm_config=vllm_config,
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prefix=maybe_prefix(prefix, "gpt2"))
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self.score = nn.Linear(config.n_embd,
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config.num_labels,
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bias=False,
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dtype=vllm_config.model_config.head_dtype)
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self.transformer = GPT2Model(
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vllm_config=vllm_config, prefix=maybe_prefix(prefix, "gpt2")
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)
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self.score = nn.Linear(
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config.n_embd,
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config.num_labels,
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bias=False,
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dtype=vllm_config.model_config.head_dtype,
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)
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pooler_config = vllm_config.model_config.pooler_config
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assert pooler_config is not None
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self.pooler = DispatchPooler({
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"encode":
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Pooler.for_encode(pooler_config),
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"classify":
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Pooler.for_classify(pooler_config, classifier=self.score),
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})
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self.pooler = DispatchPooler(
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{
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"encode": Pooler.for_encode(pooler_config),
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"classify": Pooler.for_classify(pooler_config, classifier=self.score),
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}
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)
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def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]):
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loader = AutoWeightsLoader(self)
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@@ -366,15 +374,15 @@ class GPT2ForSequenceClassification(nn.Module):
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input_ids=input_ids,
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position_ids=positions,
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inputs_embeds=inputs_embeds,
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intermediate_tensors=intermediate_tensors)
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intermediate_tensors=intermediate_tensors,
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)
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return hidden_states
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def _add_transformer_prefix(
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weights: Iterable[tuple[str, torch.Tensor]]
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weights: Iterable[tuple[str, torch.Tensor]],
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) -> Iterable[tuple[str, torch.Tensor]]:
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for name, tensor in weights:
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if not name.startswith('transformer.') and not name.startswith(
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"lm_head"):
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name = 'transformer.' + name
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if not name.startswith("transformer.") and not name.startswith("lm_head"):
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name = "transformer." + name
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yield name, tensor
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