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:
@@ -16,6 +16,7 @@
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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 Gemma model compatible with HuggingFace weights."""
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from collections.abc import Iterable
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from functools import cache
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from itertools import islice
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@@ -32,21 +33,26 @@ from vllm.distributed import get_pp_group, get_tensor_model_parallel_world_size
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from vllm.logger import init_logger
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from vllm.model_executor.layers.activation import GeluAndMul
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from vllm.model_executor.layers.layernorm import GemmaRMSNorm
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from vllm.model_executor.layers.linear import (MergedColumnParallelLinear,
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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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MergedColumnParallelLinear,
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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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VocabParallelEmbedding)
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from vllm.model_executor.layers.vocab_parallel_embedding import VocabParallelEmbedding
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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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logger = init_logger(__name__)
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@@ -66,19 +72,22 @@ def _get_gemma_act_fn(
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"`%s`, edit the config JSON to set "
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"`hidden_activation=%s` instead of `hidden_act`. "
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"See https://github.com/huggingface/transformers/pull/29402 "
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"for more details.", hidden_act, hidden_act)
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"for more details.",
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hidden_act,
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hidden_act,
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)
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return GeluAndMul(approximate="tanh")
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elif hidden_activation == "gelu_pytorch_tanh":
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return GeluAndMul(approximate="tanh")
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elif hidden_activation == "gelu":
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return GeluAndMul(approximate="none")
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else:
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raise ValueError(f"Activation function {hidden_act} is not "
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"supported for Gemma models.")
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raise ValueError(
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f"Activation function {hidden_act} is not supported for Gemma models."
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)
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class GemmaMLP(nn.Module):
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def __init__(
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self,
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hidden_size: int,
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@@ -113,7 +122,6 @@ class GemmaMLP(nn.Module):
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class GemmaAttention(nn.Module):
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def __init__(
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self,
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hidden_size: int,
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@@ -172,13 +180,15 @@ class GemmaAttention(nn.Module):
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base=self.rope_theta,
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is_neox_style=True,
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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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self.scaling,
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num_kv_heads=self.num_kv_heads,
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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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self.scaling,
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num_kv_heads=self.num_kv_heads,
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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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@@ -194,7 +204,6 @@ class GemmaAttention(nn.Module):
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class GemmaDecoderLayer(nn.Module):
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def __init__(
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self,
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config: GemmaConfig,
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@@ -223,10 +232,10 @@ class GemmaDecoderLayer(nn.Module):
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quant_config=quant_config,
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prefix=f"{prefix}.mlp",
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)
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self.input_layernorm = GemmaRMSNorm(config.hidden_size,
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eps=config.rms_norm_eps)
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self.post_attention_layernorm = GemmaRMSNorm(config.hidden_size,
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eps=config.rms_norm_eps)
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self.input_layernorm = GemmaRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
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self.post_attention_layernorm = GemmaRMSNorm(
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config.hidden_size, eps=config.rms_norm_eps
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)
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def forward(
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self,
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@@ -239,23 +248,20 @@ class GemmaDecoderLayer(nn.Module):
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residual = hidden_states
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hidden_states = self.input_layernorm(hidden_states)
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else:
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hidden_states, residual = self.input_layernorm(
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hidden_states, residual)
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hidden_states, residual = self.input_layernorm(hidden_states, residual)
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hidden_states = self.self_attn(
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positions=positions,
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hidden_states=hidden_states,
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)
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# Fully Connected
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hidden_states, residual = self.post_attention_layernorm(
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hidden_states, residual)
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hidden_states, residual = self.post_attention_layernorm(hidden_states, residual)
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hidden_states = self.mlp(hidden_states)
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return hidden_states, residual
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@support_torch_compile
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class GemmaModel(nn.Module):
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def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
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super().__init__()
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@@ -272,8 +278,10 @@ class GemmaModel(nn.Module):
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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: GemmaDecoderLayer(
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config, cache_config, quant_config, prefix=prefix),
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prefix=f"{prefix}.layers")
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config, cache_config, quant_config, prefix=prefix
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),
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prefix=f"{prefix}.layers",
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)
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self.norm = GemmaRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
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# Normalize the embedding by sqrt(hidden_size)
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@@ -281,12 +289,10 @@ class GemmaModel(nn.Module):
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# data type such as bfloat16, not float32.
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# See https://github.com/huggingface/transformers/pull/29402
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normalizer = self.config.hidden_size**0.5
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self.register_buffer("normalizer",
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torch.tensor(normalizer),
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persistent=False)
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self.make_empty_intermediate_tensors = (
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make_empty_intermediate_tensors_factory(
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["hidden_states", "residual"], config.hidden_size))
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self.register_buffer("normalizer", torch.tensor(normalizer), persistent=False)
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self.make_empty_intermediate_tensors = make_empty_intermediate_tensors_factory(
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["hidden_states", "residual"], 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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@@ -315,15 +321,13 @@ class GemmaModel(nn.Module):
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residual,
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)
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if not get_pp_group().is_last_rank:
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return IntermediateTensors({
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"hidden_states": hidden_states,
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"residual": residual
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})
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return IntermediateTensors(
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{"hidden_states": hidden_states, "residual": residual}
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)
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hidden_states, _ = self.norm(hidden_states, residual)
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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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@@ -335,7 +339,7 @@ class GemmaModel(nn.Module):
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params_dict = dict(self.named_parameters())
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loaded_params: set[str] = set()
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for name, loaded_weight in weights:
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for (param_name, shard_name, shard_id) in stacked_params_mapping:
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for param_name, shard_name, shard_id in stacked_params_mapping:
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if shard_name not in name:
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continue
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name = name.replace(shard_name, param_name)
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@@ -355,8 +359,7 @@ class GemmaModel(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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@@ -388,11 +391,13 @@ class GemmaForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
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self.lora_config = lora_config
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self.quant_config = quant_config
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self.model = GemmaModel(vllm_config=vllm_config,
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prefix=maybe_prefix(prefix, "model"))
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self.model = GemmaModel(
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vllm_config=vllm_config, prefix=maybe_prefix(prefix, "model")
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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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@@ -404,8 +409,9 @@ class GemmaForCausalLM(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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def compute_logits(
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@@ -415,11 +421,9 @@ class GemmaForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
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logits = self.logits_processor(self.model.embed_tokens, 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(
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self,
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skip_prefixes=(["lm_head."]
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if self.config.tie_word_embeddings else None),
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skip_prefixes=(["lm_head."] if self.config.tie_word_embeddings else None),
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)
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return loader.load_weights(weights)
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