Enable more models to inference based on LoRA (#3382)

Co-authored-by: Antoni Baum <antoni.baum@protonmail.com>

csrc/punica/bgmv/bgmv_config.h

@@ -16,10 +16,13 @@ void bgmv_kernel(out_T *__restrict__ Y, const in_T *__restrict__ X,
     f(in_T, out_T, W_T, narrow, 512) \
     f(in_T, out_T, W_T, narrow, 768) \
     f(in_T, out_T, W_T, narrow, 1024) \
+    f(in_T, out_T, W_T, narrow, 1152) \
     f(in_T, out_T, W_T, narrow, 1280) \
+    f(in_T, out_T, W_T, narrow, 1536) \
     f(in_T, out_T, W_T, narrow, 1728) \
     f(in_T, out_T, W_T, narrow, 1792) \
     f(in_T, out_T, W_T, narrow, 2048) \
+    f(in_T, out_T, W_T, narrow, 2304) \
     f(in_T, out_T, W_T, narrow, 2560) \
     f(in_T, out_T, W_T, narrow, 2752) \
     f(in_T, out_T, W_T, narrow, 2816) \
@@ -27,10 +30,12 @@ void bgmv_kernel(out_T *__restrict__ Y, const in_T *__restrict__ X,
     f(in_T, out_T, W_T, narrow, 3456) \
     f(in_T, out_T, W_T, narrow, 3584) \
     f(in_T, out_T, W_T, narrow, 4096) \
+    f(in_T, out_T, W_T, narrow, 4608) \
     f(in_T, out_T, W_T, narrow, 5120) \
     f(in_T, out_T, W_T, narrow, 5504) \
     f(in_T, out_T, W_T, narrow, 5632) \
     f(in_T, out_T, W_T, narrow, 6144) \
+    f(in_T, out_T, W_T, narrow, 6848) \
     f(in_T, out_T, W_T, narrow, 6912) \
     f(in_T, out_T, W_T, narrow, 7168) \
     f(in_T, out_T, W_T, narrow, 8192) \
@@ -45,6 +50,7 @@ void bgmv_kernel(out_T *__restrict__ Y, const in_T *__restrict__ X,
     f(in_T, out_T, W_T, narrow, 20480) \
     f(in_T, out_T, W_T, narrow, 22016) \
     f(in_T, out_T, W_T, narrow, 24576) \
+    f(in_T, out_T, W_T, narrow, 27392) \
     f(in_T, out_T, W_T, narrow, 28672) \
     f(in_T, out_T, W_T, narrow, 32000) \
     f(in_T, out_T, W_T, narrow, 32256) \

tests/lora/conftest.py

@@ -134,6 +134,16 @@ def gemma_lora_files():
     return snapshot_download(repo_id="wskwon/gemma-7b-test-lora")
 
 
+@pytest.fixture(scope="session")
+def chatglm3_lora_files():
+    return snapshot_download(repo_id="jeeejeee/chatglm3-text2sql-spider")
+
+
+@pytest.fixture(scope="session")
+def baichuan_lora_files():
+    return snapshot_download(repo_id="jeeejeee/baichuan7b-text2sql-spider")
+
+
 @pytest.fixture
 def llama_2_7b_engine_extra_embeddings() -> nn.Module:
     cleanup()

tests/lora/test_baichuan.py

+import pytest
+
+import vllm
+from vllm.lora.request import LoRARequest
+
+from .conftest import cleanup
+
+MODEL_PATH = "baichuan-inc/Baichuan-7B"
+
+PROMPT_TEMPLATE = """I want you to act as a SQL terminal in front of an example database, you need only to return the sql command to me.Below is an instruction that describes a task, Write a response that appropriately completes the request.\n"\n##Instruction:\nconcert_singer contains tables such as stadium, singer, concert, singer_in_concert. Table stadium has columns such as Stadium_ID, Location, Name, Capacity, Highest, Lowest, Average. Stadium_ID is the primary key.\nTable singer has columns such as Singer_ID, Name, Country, Song_Name, Song_release_year, Age, Is_male. Singer_ID is the primary key.\nTable concert has columns such as concert_ID, concert_Name, Theme, Stadium_ID, Year. concert_ID is the primary key.\nTable singer_in_concert has columns such as concert_ID, Singer_ID. concert_ID is the primary key.\nThe Stadium_ID of concert is the foreign key of Stadium_ID of stadium.\nThe Singer_ID of singer_in_concert is the foreign key of Singer_ID of singer.\nThe concert_ID of singer_in_concert is the foreign key of concert_ID of concert.\n\n###Input:\n{query}\n\n###Response:"""  # noqa: E501
+
+
+def do_sample(llm, lora_path: str, lora_id: int) -> str:
+    prompts = [
+        PROMPT_TEMPLATE.format(query="How many singers do we have?"),
+        PROMPT_TEMPLATE.format(
+            query=
+            "What is the average, minimum, and maximum age of all singers from France?"  # noqa: E501
+        ),
+        PROMPT_TEMPLATE.format(
+            query=
+            "Show name, country, age for all singers ordered by age from the oldest to the youngest."  # noqa: E501
+        ),
+    ]
+    print(prompts)
+    sampling_params = vllm.SamplingParams(temperature=0, max_tokens=256)
+    outputs = llm.generate(
+        prompts,
+        sampling_params,
+        lora_request=LoRARequest(str(lora_id), lora_id, lora_path)
+        if lora_id else None)
+    # Print the outputs.
+    generated_texts = []
+    for output in outputs:
+        prompt = output.prompt
+        generated_text = output.outputs[0].text.strip()
+        generated_texts.append(generated_text)
+        print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}")
+    return generated_texts
+
+
+def test_baichuan_lora(baichuan_lora_files):
+    llm = vllm.LLM(MODEL_PATH,
+                   max_model_len=1024,
+                   enable_lora=True,
+                   max_loras=4,
+                   max_lora_rank=64,
+                   trust_remote_code=True)
+
+    expected_lora_output = [
+        "SELECT count(*) FROM singer",
+        "SELECT avg(age) ,  min(age) ,  max(age) FROM singer WHERE Country  =  'France'",  # noqa: E501
+        "SELECT name ,  country ,  age FROM singer ORDER BY age ASC",
+    ]
+
+    output1 = do_sample(llm, baichuan_lora_files, lora_id=1)
+    for i in range(len(expected_lora_output)):
+        assert output1[i] == expected_lora_output[i]
+    output2 = do_sample(llm, baichuan_lora_files, lora_id=2)
+    for i in range(len(expected_lora_output)):
+        assert output2[i] == expected_lora_output[i]
+
+
+@pytest.mark.skip("Requires multiple GPUs")
+def test_llama_tensor_parallel_equality(baichuan_lora_files):
+    # Cannot use as it will initialize torch.cuda too early...
+    # if torch.cuda.device_count() < 4:
+    #     pytest.skip(f"Not enough GPUs for tensor parallelism {4}")
+
+    llm_tp1 = vllm.LLM(MODEL_PATH,
+                       enable_lora=True,
+                       max_num_seqs=16,
+                       max_loras=4,
+                       max_lora_rank=64,
+                       tensor_parallel_size=1,
+                       trust_remote_code=True)
+    output_tp1 = do_sample(llm_tp1, baichuan_lora_files, lora_id=1)
+
+    del llm_tp1
+    cleanup()
+
+    llm_tp2 = vllm.LLM(MODEL_PATH,
+                       enable_lora=True,
+                       max_num_seqs=16,
+                       max_loras=4,
+                       max_lora_rank=64,
+                       tensor_parallel_size=2,
+                       trust_remote_code=True)
+    output_tp2 = do_sample(llm_tp2, baichuan_lora_files, lora_id=2)
+
+    del llm_tp2
+    cleanup()
+
+    assert output_tp1 == output_tp2
+
+    llm_tp4 = vllm.LLM(MODEL_PATH,
+                       enable_lora=True,
+                       max_num_seqs=16,
+                       max_loras=4,
+                       max_lora_rank=64,
+                       tensor_parallel_size=4,
+                       trust_remote_code=True)
+    output_tp4 = do_sample(llm_tp4, baichuan_lora_files, lora_id=2)
+
+    del llm_tp4
+    cleanup()
+
+    assert output_tp1 == output_tp4
\ No newline at end of file

tests/lora/test_chatglm3.py

+import vllm
+from vllm.lora.request import LoRARequest
+
+MODEL_PATH = "THUDM/chatglm3-6b"
+
+PROMPT_TEMPLATE = """I want you to act as a SQL terminal in front of an example database, you need only to return the sql command to me.Below is an instruction that describes a task, Write a response that appropriately completes the request.\n"\n##Instruction:\nconcert_singer contains tables such as stadium, singer, concert, singer_in_concert. Table stadium has columns such as Stadium_ID, Location, Name, Capacity, Highest, Lowest, Average. Stadium_ID is the primary key.\nTable singer has columns such as Singer_ID, Name, Country, Song_Name, Song_release_year, Age, Is_male. Singer_ID is the primary key.\nTable concert has columns such as concert_ID, concert_Name, Theme, Stadium_ID, Year. concert_ID is the primary key.\nTable singer_in_concert has columns such as concert_ID, Singer_ID. concert_ID is the primary key.\nThe Stadium_ID of concert is the foreign key of Stadium_ID of stadium.\nThe Singer_ID of singer_in_concert is the foreign key of Singer_ID of singer.\nThe concert_ID of singer_in_concert is the foreign key of concert_ID of concert.\n\n###Input:\n{query}\n\n###Response:"""  # noqa: E501
+
+
+def do_sample(llm, lora_path: str, lora_id: int) -> str:
+    prompts = [
+        PROMPT_TEMPLATE.format(query="How many singers do we have?"),
+        PROMPT_TEMPLATE.format(
+            query=
+            "What is the average, minimum, and maximum age of all singers from France?"  # noqa: E501
+        ),
+        PROMPT_TEMPLATE.format(
+            query=
+            "Show name, country, age for all singers ordered by age from the oldest to the youngest."  # noqa: E501
+        ),
+    ]
+    print(prompts)
+    sampling_params = vllm.SamplingParams(temperature=0, max_tokens=32)
+    outputs = llm.generate(
+        prompts,
+        sampling_params,
+        lora_request=LoRARequest(str(lora_id), lora_id, lora_path)
+        if lora_id else None)
+    # Print the outputs.
+    generated_texts = []
+    for output in outputs:
+        prompt = output.prompt
+        generated_text = output.outputs[0].text.strip()
+        generated_texts.append(generated_text)
+        print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}")
+    return generated_texts
+
+
+def test_chatglm3_lora(chatglm3_lora_files):
+    llm = vllm.LLM(MODEL_PATH,
+                   max_model_len=1024,
+                   enable_lora=True,
+                   max_loras=4,
+                   max_lora_rank=64,
+                   trust_remote_code=True)
+
+    expected_lora_output = [
+        "SELECT count(*) FROM singer",
+        "SELECT avg(age) ,  min(age) ,  max(age) FROM singer WHERE country  =  'France'",  # noqa: E501
+        "SELECT name ,  country ,  age FROM singer ORDER BY age",
+    ]
+
+    output1 = do_sample(llm, chatglm3_lora_files, lora_id=1)
+    for i in range(len(expected_lora_output)):
+        assert output1[i] == expected_lora_output[i]
+    output2 = do_sample(llm, chatglm3_lora_files, lora_id=2)
+    for i in range(len(expected_lora_output)):
+        assert output2[i] == expected_lora_output[i]

tests/lora/test_layers.py

@@ -8,12 +8,16 @@ import torch
 import torch.nn.functional as F
 
 from vllm.config import LoRAConfig
+# yapf conflicts with isort for this block
+# yapf: disable
 from vllm.lora.layers import (BaseLayerWithLoRA, ColumnParallelLinearWithLoRA,
                               LogitsProcessorWithLoRA, LoRAMapping,
                               MergedColumnParallelLinearWithLoRA,
+                              MergedQKVParallelLinearWithLora,
                               QKVParallelLinearWithLora,
                               RowParallelLinearWithLoRA,
                               VocabParallelEmbeddingWithLoRA)
+# yapf: enable
 from vllm.lora.models import (LoRALayerWeights, PackedLoRALayerWeights,
                               convert_mapping)
 from vllm.model_executor.layers.linear import (ColumnParallelLinear,
@@ -93,8 +97,7 @@ def populate_loras(
     lora_dict: Dict[int, LoRALayerWeights] = dict()
 
     # Dictionary that maps the lora ID to the
-    # corresponding subloras. Only useful when
-    # repeats > 1.
+    # corresponding subloras.
     sublora_dict: Dict[int, List[LoRALayerWeights]] = dict()
 
     for slot_idx, lora_id in enumerate(id_to_index):
@@ -607,7 +610,7 @@ def test_linear_parallel(dist_init, num_loras, orientation, device) -> None:
 
 @torch.inference_mode()
 @pytest.mark.parametrize("num_loras", [1, 2, 4, 8])
-@pytest.mark.parametrize("repeats", [2, 3])
+@pytest.mark.parametrize("repeats", [1, 2, 3])
 @pytest.mark.parametrize("device", CUDA_DEVICES)
 def test_column_parallel_packed(dist_init, num_loras, repeats, device) -> None:
 
@@ -623,6 +626,10 @@ def test_column_parallel_packed(dist_init, num_loras, repeats, device) -> None:
                                                 bias=False)
             linear.weight.data = torch.rand_like(linear.weight.data)
             lora_linear = MergedColumnParallelLinearWithLoRA(linear)
+        elif repeats == 3:
+            linear = QKVParallelLinear(4096, 64, 32, bias=False)
+            linear.weight.data = torch.rand_like(linear.weight.data)
+            lora_linear = MergedQKVParallelLinearWithLora(linear)
         else:
             linear = QKVParallelLinear(4096, 64, 32, bias=False)
             linear.weight.data = torch.rand_like(linear.weight.data)

tests/lora/test_punica.py

@@ -43,9 +43,10 @@ def _lora_ref_impl(
 
 
 H1 = H2 = [
-    128, 256, 512, 1024, 1280, 2048, 2560, 2752, 3072, 3456, 3584, 4096, 5120,
-    5504, 5632, 6144, 6912, 7168, 8192, 9216, 10240, 11008, 13824, 14336,
-    22016, 24576, 32000, 32256, 32512, 32768, 33024
+    128, 256, 512, 1024, 1152, 1280, 1536, 2048, 2304, 2560, 2752, 3072, 3456,
+    3584, 4096, 4608, 5120, 5504, 5632, 6144, 6848, 6912, 7168, 8192, 9216,
+    10240, 11008, 13824, 14336, 22016, 24576, 27392, 32000, 32256, 32512,
+    32768, 33024
 ]
 SEED = [0xabcdabcd987]
 

vllm/lora/layers.py

 # pylint: disable=unused-argument
+import inspect
 import math
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, List, Optional, Tuple
+from typing import TYPE_CHECKING, List, Optional, Set, Tuple, Type
 
 import torch
 import torch.nn as nn
@@ -114,8 +115,11 @@ class LoRAMapping:
 
 class BaseLayerWithLoRA(nn.Module):
 
-    def create_lora_weights(self, max_loras: int, lora_config: LoRAConfig,
-                            model_config: PretrainedConfig) -> None:
+    def create_lora_weights(
+            self,
+            max_loras: int,
+            lora_config: LoRAConfig,
+            model_config: Optional[PretrainedConfig] = None) -> None:
         """Initializes lora matrices."""
         ...
 
@@ -144,6 +148,13 @@ class BaseLayerWithLoRA(nn.Module):
         """Sets the mapping indices."""
         ...
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        """Returns True if the layer can be replaced by this LoRA layer."""
+        raise NotImplementedError
+
 
 class VocabParallelEmbeddingWithLoRA(BaseLayerWithLoRA):
 
@@ -278,12 +289,19 @@ class VocabParallelEmbeddingWithLoRA(BaseLayerWithLoRA):
              self.indices[:self.indices_len[0]], 0, 1.0)
         return full_output.view_as(full_output_org)
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is VocabParallelEmbedding
+
 
 class ColumnParallelLinearWithLoRA(BaseLayerWithLoRA):
 
     def __init__(self, base_layer: ColumnParallelLinear) -> None:
         super().__init__()
         self.base_layer = base_layer
+        self.tp_size = get_tensor_model_parallel_world_size()
 
     def create_lora_weights(
             self,
@@ -309,7 +327,7 @@ class ColumnParallelLinearWithLoRA(BaseLayerWithLoRA):
 
         self.indices: Optional[torch.Tensor] = None
         self.indices_len: Optional[List[int]] = None
-        self.output_dim = self.lora_b_stacked.shape[1]
+        self.output_dim = self.lora_b_stacked.shape[2]
 
     def reset_lora(self, index: int):
         self.lora_a_stacked[index] = 0
@@ -323,7 +341,12 @@ class ColumnParallelLinearWithLoRA(BaseLayerWithLoRA):
         embeddings_tensor: Optional[torch.Tensor],
     ):
         self.reset_lora(index)
-
+        if self.tp_size > 1:
+            tensor_model_parallel_rank = get_tensor_model_parallel_rank()
+            shard_size = self.output_dim
+            start_idx = tensor_model_parallel_rank * shard_size
+            end_idx = (tensor_model_parallel_rank + 1) * shard_size
+            lora_b = lora_b[:, start_idx:end_idx]
         self.lora_a_stacked[index,
                             0, :lora_a.shape[1], :lora_a.shape[0]].copy_(
                                 lora_a.T, non_blocking=True)
@@ -383,6 +406,14 @@ class ColumnParallelLinearWithLoRA(BaseLayerWithLoRA):
     def linear_weights(self):
         return self.base_layer.linear_weights
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is ColumnParallelLinear or (
+            type(source_layer) is MergedColumnParallelLinear
+            and len(packed_modules_list) == 1)
+
 
 class MergedColumnParallelLinearWithLoRA(ColumnParallelLinearWithLoRA):
     """ColumnParallelLinear layer that is composed of 2 sublayers (slices)
@@ -485,8 +516,80 @@ class MergedColumnParallelLinearWithLoRA(ColumnParallelLinearWithLoRA):
         )
         return output
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is MergedColumnParallelLinear and len(
+            packed_modules_list) == 2
+
 
 class QKVParallelLinearWithLora(ColumnParallelLinearWithLoRA):
+    """
+    ColumnParallelLinear layer that is specifically designed for  
+    qkv_proj. Certain models, such as chtglm3 and baichuan-7b,  
+    only contains a single LoRA within their qkv_proj layer. 
+
+    During inference with Tensor Parallel, the weights of lora_b 
+    must be accurately partitioned according to the respective ranks.
+    
+    Q slice may have different shape than K and V slices (which both have
+    the same shape).
+    """
+
+    def __init__(self, base_layer: QKVParallelLinear) -> None:
+        super().__init__(base_layer)
+        self.tp_size = get_tensor_model_parallel_world_size()
+        self.q_proj_total_size = (self.base_layer.total_num_heads *
+                                  self.base_layer.head_size)
+        self.q_proj_shard_size = (self.base_layer.num_heads *
+                                  self.base_layer.head_size)
+        self.kv_proj_shard_size = (self.base_layer.num_kv_heads *
+                                   self.base_layer.head_size)
+        self.kv_proj_total_size = (self.base_layer.total_num_kv_heads *
+                                   self.base_layer.head_size)
+
+    def set_lora(
+        self,
+        index: int,
+        lora_a: torch.Tensor,
+        lora_b: torch.Tensor,
+        embeddings_tensor: Optional[torch.Tensor],
+    ):
+        self.reset_lora(index)
+        if self.tp_size > 1:
+            tp_rank = get_tensor_model_parallel_rank()
+            self.q_shard_id = tp_rank
+            self.kv_shard_id = tp_rank // self.base_layer.num_kv_head_replicas
+            lora_b_q = lora_b[:, self.q_proj_shard_size *
+                              self.q_shard_id:self.q_proj_shard_size *
+                              (self.q_shard_id + 1)]
+            k_offset = self.q_proj_total_size
+            lora_b_k = lora_b[:, k_offset + self.kv_proj_shard_size *
+                              self.kv_shard_id:k_offset +
+                              self.kv_proj_shard_size * (self.kv_shard_id + 1)]
+            v_offset = k_offset + self.kv_proj_total_size
+            lora_b_v = lora_b[:, v_offset + self.kv_proj_shard_size *
+                              self.kv_shard_id:v_offset +
+                              self.kv_proj_shard_size * (self.kv_shard_id + 1)]
+            lora_b = torch.cat([lora_b_q, lora_b_k, lora_b_v], dim=1)
+
+        self.lora_a_stacked[index,
+                            0, :lora_a.shape[1], :lora_a.shape[0]].copy_(
+                                lora_a.T, non_blocking=True)
+        self.lora_b_stacked[index,
+                            0, :lora_b.shape[1], :lora_b.shape[0]].copy_(
+                                lora_b.T, non_blocking=True)
+
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is QKVParallelLinear and len(
+            packed_modules_list) == 1
+
+
+class MergedQKVParallelLinearWithLora(ColumnParallelLinearWithLoRA):
     """ColumnParallelLinear layer that is composed of 3 sublayers (slices)
     packed together in qkv proj fashion
     (q_proj + k_proj + v_proj -> qkv_proj).
@@ -654,6 +757,13 @@ class QKVParallelLinearWithLora(ColumnParallelLinearWithLoRA):
         )
         return output
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is QKVParallelLinear and len(
+            packed_modules_list) == 3
+
 
 class RowParallelLinearWithLoRA(BaseLayerWithLoRA):
 
@@ -780,6 +890,12 @@ class RowParallelLinearWithLoRA(BaseLayerWithLoRA):
     def weight(self):
         return self.base_layer.weight
 
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        return type(source_layer) is RowParallelLinear
+
 
 class LogitsProcessorWithLoRA(BaseLayerWithLoRA):
 
@@ -900,7 +1016,7 @@ class LogitsProcessorWithLoRA(BaseLayerWithLoRA):
         hidden_states: torch.Tensor,
         embedding: torch.Tensor,
         embedding_bias: Optional[torch.Tensor] = None,
-    ) -> torch.Tensor:
+    ) -> Optional[torch.Tensor]:
         # Get the logits for the next tokens.
         logits = torch.matmul(hidden_states, embedding.t())
         if embedding_bias is not None:
@@ -949,22 +1065,30 @@ class LogitsProcessorWithLoRA(BaseLayerWithLoRA):
     def forward(self, *args, **kwargs):
         return type(self.base_layer).forward(self, *args, **kwargs)
 
-
-def from_layer(
-        layer: nn.Module,
-        max_loras: int,
-        lora_config: LoRAConfig,
-        model_config: Optional[PretrainedConfig] = None) -> BaseLayerWithLoRA:
-    supported_layer_types = {
-        VocabParallelEmbedding: VocabParallelEmbeddingWithLoRA,
-        ColumnParallelLinear: ColumnParallelLinearWithLoRA,
-        QKVParallelLinear: QKVParallelLinearWithLora,
-        MergedColumnParallelLinear: MergedColumnParallelLinearWithLoRA,
-        RowParallelLinear: RowParallelLinearWithLoRA,
-    }
-    for src_layer_type, lora_layer_type in supported_layer_types.items():
-        if type(layer) is src_layer_type:  # pylint: disable=unidiomatic-typecheck
-            ret = lora_layer_type(layer)
+    @classmethod
+    def can_replace_layer(cls, source_layer: nn.Module,
+                          lora_config: LoRAConfig, packed_modules_list: List,
+                          model_config: Optional[PretrainedConfig]) -> bool:
+        # Special handling for the LogitsProcessor.
+        return False
+
+
+_all_lora_classes: Set[Type[BaseLayerWithLoRA]] = {
+    cls
+    for cls in globals().values() if inspect.isclass(cls)
+    and issubclass(cls, BaseLayerWithLoRA) and cls is not BaseLayerWithLoRA
+}
+
+
+def from_layer(layer: nn.Module,
+               max_loras: int,
+               lora_config: LoRAConfig,
+               packed_modules_list: List,
+               model_config: Optional[PretrainedConfig] = None) -> nn.Module:
+    for lora_cls in _all_lora_classes:
+        if lora_cls.can_replace_layer(layer, lora_config, packed_modules_list,
+                                      model_config):
+            ret = lora_cls(layer)
             ret.create_lora_weights(max_loras, lora_config, model_config)
             return ret
     return layer

vllm/lora/models.py

@@ -413,11 +413,12 @@ class LoRAModelManager:
         for module_name, module in self.model.named_modules():
             if not self._match_target_modules(module_name):
                 continue
-
+            parts = module_name.split(".")[-1]
+            packed_moduled_lst = self.packed_modules_mapping.get(parts, [])
             new_module = replace_submodule(
                 self.model, module_name,
                 from_layer(module, self.lora_slots, self.lora_config,
-                           self.model.config))
+                           packed_moduled_lst, self.model.config))
             # (yard1): TODO make this more robust
             if "lm_head" in module_name:
                 logits_processor_module = self.model.get_submodule(
@@ -510,8 +511,10 @@ class LoRAModelManager:
     def _register_packed_modules(self, module_full_name: str) -> None:
         parts = module_full_name.split(".")
         module_name = parts[-1]
-        replacements = self.packed_modules_mapping.get(module_name)
-        if not replacements:
+        replacements = self.packed_modules_mapping.get(module_name, [])
+        # When replacements is less than or equal to 1, it indicates that this
+        # module is not a packed module.
+        if len(replacements) <= 1:
             return
         prefix = ".".join(parts[:-1])
         self.packed_modules[module_full_name] = [

vllm/model_executor/models/baichuan.py

@@ -26,6 +26,7 @@ from torch import nn
 from transformers import PretrainedConfig
 
 from vllm.attention import Attention, AttentionMetadata
+from vllm.config import LoRAConfig
 from vllm.model_executor.layers.activation import SiluAndMul
 from vllm.model_executor.layers.layernorm import RMSNorm
 from vllm.model_executor.layers.linear import (LinearMethodBase,
@@ -282,11 +283,30 @@ class BaiChuanModel(nn.Module):
 
 
 class BaiChuanBaseForCausalLM(nn.Module):
+    packed_modules_mapping = {
+        "W_pack": ["W_pack"],
+        "gate_up_proj": [
+            "gate_proj",
+            "up_proj",
+        ],
+    }
+    # LoRA specific attributes
+    supported_lora_modules = [
+        "W_pack",
+        "o_proj",
+        "gate_up_proj",
+        "down_proj",
+    ]
+    embedding_modules = {}
+    embedding_padding_modules = []
 
-    def __init__(self,
-                 config,
-                 position_embedding: str,
-                 linear_method: Optional[LinearMethodBase] = None):
+    def __init__(
+        self,
+        config,
+        position_embedding: str,
+        linear_method: Optional[LinearMethodBase] = None,
+        lora_config: Optional[LoRAConfig] = None,
+    ):
         super().__init__()
         self.config = config
         self.linear_method = linear_method
@@ -371,19 +391,25 @@ class BaiChuanBaseForCausalLM(nn.Module):
 class BaichuanForCausalLM(BaiChuanBaseForCausalLM):
     """Baichuan 13B and Baichuan2 7B/13B."""
 
-    def __init__(self,
-                 config,
-                 linear_method: Optional[LinearMethodBase] = None):
+    def __init__(
+        self,
+        config,
+        linear_method: Optional[LinearMethodBase] = None,
+        lora_config: Optional[LoRAConfig] = None,
+    ):
         if config.hidden_size == 4096:  # baichuan2 7b
-            super().__init__(config, "ROPE", linear_method)
+            super().__init__(config, "ROPE", linear_method, lora_config)
         else:  # baichuan 13b, baichuan2 13b
-            super().__init__(config, "ALIBI", linear_method)
+            super().__init__(config, "ALIBI", linear_method, lora_config)
 
 
 class BaiChuanForCausalLM(BaiChuanBaseForCausalLM):
     """Baichuan 7B."""
 
-    def __init__(self,
-                 config,
-                 linear_method: Optional[LinearMethodBase] = None):
-        super().__init__(config, "ROPE", linear_method)
+    def __init__(
+        self,
+        config,
+        linear_method: Optional[LinearMethodBase] = None,
+        lora_config: Optional[LoRAConfig] = None,
+    ):
+        super().__init__(config, "ROPE", linear_method, lora_config)

vllm/model_executor/models/chatglm.py

@@ -9,6 +9,7 @@ from torch import nn
 from torch.nn import LayerNorm
 
 from vllm.attention import Attention, AttentionMetadata
+from vllm.config import LoRAConfig
 from vllm.model_executor.layers.activation import SiluAndMul
 from vllm.model_executor.layers.layernorm import RMSNorm
 from vllm.model_executor.layers.linear import (LinearMethodBase,
@@ -317,11 +318,25 @@ class ChatGLMModel(nn.Module):
 
 
 class ChatGLMForCausalLM(nn.Module):
+    packed_modules_mapping = {
+        "query_key_value": ["query_key_value"],
+        "dense_h_to_4h": ["dense_h_to_4h"]
+    }
+    # LoRA specific attributes
+    supported_lora_modules = [
+        "query_key_value",
+        "dense",
+        "dense_h_to_4h",
+        "dense_4h_to_h",
+    ]
+    embedding_modules = {}
+    embedding_padding_modules = []
 
     def __init__(
         self,
         config: ChatGLMConfig,
         linear_method: Optional[LinearMethodBase] = None,
+        lora_config: Optional[LoRAConfig] = None,
     ):
         super().__init__()
         self.config: ChatGLMConfig = config