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:
@@ -37,6 +37,7 @@
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Inference-only Phi-1.5 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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@@ -50,40 +51,47 @@ 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 import get_pp_group, get_tensor_model_parallel_world_size
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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.rotary_embedding import get_rope
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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 .interfaces import SupportsLoRA, 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 PhiAttention(nn.Module):
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def __init__(self,
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config: PhiConfig,
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cache_config: Optional[CacheConfig] = None,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = ""):
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def __init__(
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self,
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config: PhiConfig,
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cache_config: Optional[CacheConfig] = None,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "",
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):
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super().__init__()
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self.total_num_heads = config.num_attention_heads
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self.hidden_size = config.hidden_size
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self.head_size = self.hidden_size // self.total_num_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 self.total_num_heads % tensor_model_parallel_world_size == 0
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self.num_heads = (self.total_num_heads //
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tensor_model_parallel_world_size)
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self.num_heads = self.total_num_heads // tensor_model_parallel_world_size
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# pylint: disable=C0103
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self.qkv_proj = QKVParallelLinear(
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@@ -100,28 +108,31 @@ class PhiAttention(nn.Module):
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)
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scaling = self.head_size**-0.5
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rotary_dim = int(config.partial_rotary_factor *
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(config.hidden_size // config.num_attention_heads))
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rotary_dim = int(
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config.partial_rotary_factor
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* (config.hidden_size // config.num_attention_heads)
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)
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assert rotary_dim % 2 == 0
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# pylint: disable=C0301
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# Refer to:
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# https://huggingface.co/microsoft/phi-1_5/blob/d212a789620c380ff32ca1d1ee9943a777360987/modeling_phi.py#L518
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rope_theta = getattr(config, "rope_theta", 10000.0)
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max_position_embeddings = getattr(config, "max_position_embeddings",
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2048)
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max_position_embeddings = getattr(config, "max_position_embeddings", 2048)
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self.rotary_emb = get_rope(
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self.head_size,
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rotary_dim=rotary_dim,
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max_position=max_position_embeddings,
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base=rope_theta,
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)
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self.attn = Attention(self.num_heads,
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self.head_size,
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scaling,
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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_size,
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scaling,
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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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@@ -137,10 +148,9 @@ class PhiAttention(nn.Module):
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class PhiMLP(nn.Module):
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def __init__(self,
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config: PhiConfig,
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quant_config: Optional[QuantizationConfig] = None):
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def __init__(
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self, config: PhiConfig, quant_config: Optional[QuantizationConfig] = None
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):
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super().__init__()
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n_inner = getattr(config, "n_inner", None)
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@@ -166,19 +176,20 @@ class PhiMLP(nn.Module):
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class PhiLayer(nn.Module):
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def __init__(self,
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config: PhiConfig,
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cache_config: Optional[CacheConfig] = None,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = ""):
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def __init__(
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self,
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config: PhiConfig,
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cache_config: Optional[CacheConfig] = None,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "",
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):
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super().__init__()
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self.input_layernorm = nn.LayerNorm(config.hidden_size,
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eps=config.layer_norm_eps)
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self.self_attn = PhiAttention(config,
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cache_config,
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quant_config,
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prefix=f"{prefix}.self_attn")
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self.input_layernorm = nn.LayerNorm(
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config.hidden_size, eps=config.layer_norm_eps
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)
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self.self_attn = PhiAttention(
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config, cache_config, quant_config, prefix=f"{prefix}.self_attn"
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)
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self.mlp = PhiMLP(config, quant_config)
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def forward(
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@@ -199,7 +210,6 @@ class PhiLayer(nn.Module):
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@support_torch_compile
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class PhiModel(nn.Module):
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def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
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super().__init__()
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@@ -209,18 +219,20 @@ class PhiModel(nn.Module):
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self.config = config
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self.quant_config = quant_config
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self.embed_tokens = VocabParallelEmbedding(config.vocab_size,
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config.hidden_size)
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self.embed_tokens = VocabParallelEmbedding(
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config.vocab_size, config.hidden_size
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)
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self.start_layer, self.end_layer, self.layers = make_layers(
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config.num_hidden_layers,
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lambda prefix: PhiLayer(
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config, cache_config, quant_config, prefix=prefix),
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prefix=f"{prefix}.layers")
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self.final_layernorm = nn.LayerNorm(config.hidden_size,
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eps=config.layer_norm_eps)
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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.hidden_size))
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lambda prefix: PhiLayer(config, cache_config, quant_config, prefix=prefix),
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prefix=f"{prefix}.layers",
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)
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self.final_layernorm = nn.LayerNorm(
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config.hidden_size, eps=config.layer_norm_eps
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)
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self.make_empty_intermediate_tensors = make_empty_intermediate_tensors_factory(
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["hidden_states"], config.hidden_size
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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.embed_tokens(input_ids)
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@@ -250,13 +262,12 @@ class PhiModel(nn.Module):
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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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stacked_params_mapping = [
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# (param_name, shard_name, shard_id)
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("qkv_proj", "q_proj", "q"),
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("qkv_proj", "k_proj", "k"),
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("qkv_proj", "v_proj", "v")
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("qkv_proj", "v_proj", "v"),
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]
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params_dict = dict(self.named_parameters())
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loaded_params: set[str] = set()
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@@ -265,7 +276,7 @@ class PhiModel(nn.Module):
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if "rotary_emb.inv_freq" in name:
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continue
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for (param_name, weight_name, shard_id) in stacked_params_mapping:
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for param_name, weight_name, shard_id in stacked_params_mapping:
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if weight_name not in name:
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continue
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name = name.replace(weight_name, param_name)
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@@ -287,8 +298,7 @@ class PhiModel(nn.Module):
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if is_pp_missing_parameter(name, self):
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continue
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param = params_dict[name]
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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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@@ -315,17 +325,21 @@ class PhiForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
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self.quant_config = quant_config
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self.model = PhiModel(vllm_config=vllm_config,
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prefix=maybe_prefix(prefix, "model"))
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self.model = PhiModel(
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vllm_config=vllm_config, prefix=maybe_prefix(prefix, "model")
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)
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self.lm_head = ParallelLMHead(config.vocab_size,
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config.hidden_size,
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bias=True,
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quant_config=quant_config,
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prefix=maybe_prefix(prefix, "lm_head"))
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self.lm_head = ParallelLMHead(
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config.vocab_size,
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config.hidden_size,
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bias=True,
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quant_config=quant_config,
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prefix=maybe_prefix(prefix, "lm_head"),
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)
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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.model.make_empty_intermediate_tensors)
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self.model.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.model.get_input_embeddings(input_ids)
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@@ -337,8 +351,9 @@ class PhiForCausalLM(nn.Module, SupportsLoRA, 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.model(input_ids, positions, intermediate_tensors,
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inputs_embeds)
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hidden_states = self.model(
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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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@@ -346,11 +361,9 @@ class PhiForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
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self,
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hidden_states: torch.Tensor,
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) -> Optional[torch.Tensor]:
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logits = self.logits_processor(self.lm_head, hidden_states,
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self.lm_head.bias)
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logits = self.logits_processor(self.lm_head, hidden_states, self.lm_head.bias)
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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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return loader.load_weights(weights)
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