[V1] Decouple GPU and TPU `InputBatch` (#19778)

Signed-off-by: Andrew Feldman <afeldman@redhat.com>

vllm/v1/sample/tpu/metadata.py

@@ -5,7 +5,7 @@ from typing import Optional
 
 import torch
 
-from vllm.v1.worker.gpu_input_batch import InputBatch
+from vllm.v1.worker.tpu_input_batch import InputBatch
 
 DEFAULT_SAMPLING_PARAMS = dict(
     temperature=-1.0,

vllm/v1/worker/gpu_input_batch.py

 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
-# Datastructures defining an input batch
+# Datastructures defining a GPU input batch
 
 from dataclasses import dataclass
 from typing import Optional, cast
@@ -453,6 +453,11 @@ class InputBatch:
         self.block_table.swap_row(i1, i2)
 
     def condense(self, empty_req_indices: list[int]) -> None:
+        """Move non-empty requests down into lower, empty indices.
+        
+        Args:
+          empty_req_indices: empty batch indices, sorted descending.
+        """
         num_reqs = self.num_reqs
         if num_reqs == 0:
             # The batched states are empty.

vllm/v1/worker/lora_model_runner_mixin.py

@@ -5,6 +5,7 @@ Define LoRA functionality mixin for model runners.
 """
 
 from contextlib import contextmanager
+from typing import Union
 
 import numpy as np
 import torch.nn as nn
@@ -15,7 +16,10 @@ from vllm.lora.layers import LoRAMapping
 from vllm.lora.request import LoRARequest
 from vllm.lora.worker_manager import LRUCacheWorkerLoRAManager
 from vllm.model_executor.models import supports_lora, supports_multimodal
-from vllm.v1.worker.gpu_input_batch import InputBatch
+from vllm.v1.worker.gpu_input_batch import InputBatch as GPUInputBatch
+from vllm.v1.worker.tpu_input_batch import InputBatch as TPUInputBatch
+
+InputBatch = Union[TPUInputBatch, GPUInputBatch]
 
 logger = init_logger(__name__)
 

vllm/v1/worker/tpu_input_batch.py

+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+# Datastructures defining a TPU input batch
+
+from typing import Optional, cast
+
+import numpy as np
+import torch
+
+from vllm.lora.request import LoRARequest
+from vllm.sampling_params import SamplingType
+from vllm.utils import swap_dict_values
+from vllm.v1.outputs import LogprobsTensors
+from vllm.v1.worker.block_table import MultiGroupBlockTable
+from vllm.v1.worker.gpu_input_batch import CachedRequestState
+
+_SAMPLING_EPS = 1e-5
+
+
+class InputBatch:
+
+    def __init__(
+            self,
+            max_num_reqs: int,
+            max_model_len: int,
+            max_num_batched_tokens: int,
+            device: torch.device,
+            pin_memory: bool,
+            vocab_size: int,
+            block_sizes: list[int],  # The block_size of each kv cache group
+    ):
+        self.max_num_reqs = max_num_reqs
+        self.max_model_len = max_model_len
+        self.max_num_batched_tokens = max_num_batched_tokens
+        self.device = device
+        self.pin_memory = pin_memory
+        self.vocab_size = vocab_size
+
+        self._req_ids: list[Optional[str]] = []
+        self.req_id_to_index: dict[str, int] = {}
+
+        # TODO(woosuk): This buffer could be too large if max_model_len is big.
+        # Find a way to reduce the CPU memory usage.
+        # This buffer is not directly transferred to the GPU, so it does not
+        # need to be pinned.
+        self.token_ids_cpu_tensor = torch.zeros(
+            (max_num_reqs, max_model_len),
+            device="cpu",
+            dtype=torch.int32,
+            pin_memory=False,
+        )
+        self.token_ids_cpu = self.token_ids_cpu_tensor.numpy()
+        self.num_tokens = np.zeros(max_num_reqs, dtype=np.int32)
+        self.num_tokens_no_spec = np.zeros(max_num_reqs, dtype=np.int32)
+        self.num_prompt_tokens = np.zeros(max_num_reqs, dtype=np.int32)
+        self.num_computed_tokens_cpu_tensor = torch.zeros(
+            (max_num_reqs, ),
+            device="cpu",
+            dtype=torch.int32,
+            pin_memory=pin_memory,
+        )
+        self.num_computed_tokens_cpu = \
+            self.num_computed_tokens_cpu_tensor.numpy()
+
+        # Block table.
+        self.block_table = MultiGroupBlockTable(
+            max_num_reqs=max_num_reqs,
+            max_model_len=max_model_len,
+            max_num_batched_tokens=max_num_batched_tokens,
+            pin_memory=pin_memory,
+            device=device,
+            block_sizes=block_sizes,
+        )
+
+        # Sampling-related.
+        self.temperature = torch.empty((max_num_reqs, ),
+                                       dtype=torch.float32,
+                                       device=device)
+        self.temperature_cpu_tensor = torch.empty((max_num_reqs, ),
+                                                  dtype=torch.float32,
+                                                  device="cpu",
+                                                  pin_memory=pin_memory)
+        self.temperature_cpu = self.temperature_cpu_tensor.numpy()
+        self.greedy_reqs: set[str] = set()
+        self.random_reqs: set[str] = set()
+
+        self.top_p = torch.empty((max_num_reqs, ),
+                                 dtype=torch.float32,
+                                 device=device)
+        self.top_p_cpu_tensor = torch.empty((max_num_reqs, ),
+                                            dtype=torch.float32,
+                                            device="cpu",
+                                            pin_memory=pin_memory)
+        self.top_p_cpu = self.top_p_cpu_tensor.numpy()
+        self.top_p_reqs: set[str] = set()
+
+        self.top_k = torch.empty((max_num_reqs, ),
+                                 dtype=torch.int32,
+                                 device=device)
+        self.top_k_cpu_tensor = torch.empty((max_num_reqs, ),
+                                            dtype=torch.int32,
+                                            device="cpu",
+                                            pin_memory=pin_memory)
+        self.top_k_cpu = self.top_k_cpu_tensor.numpy()
+        self.top_k_reqs: set[str] = set()
+
+        self.min_p = torch.empty((max_num_reqs, ),
+                                 dtype=torch.float32,
+                                 device=device)
+        self.min_p_cpu_tensor = torch.empty((max_num_reqs, ),
+                                            dtype=torch.float32,
+                                            device="cpu",
+                                            pin_memory=pin_memory)
+        self.min_p_cpu = self.min_p_cpu_tensor.numpy()
+        self.min_p_reqs: set[str] = set()
+
+        # Frequency penalty related data structures
+        self.frequency_penalties = torch.empty((max_num_reqs, ),
+                                               dtype=torch.float,
+                                               device=device)
+        self.frequency_penalties_cpu_tensor = torch.empty(
+            (max_num_reqs, ),
+            dtype=torch.float,
+            device="cpu",
+            pin_memory=pin_memory)
+        self.frequency_penalties_cpu = \
+            self.frequency_penalties_cpu_tensor.numpy()
+        self.frequency_penalties_reqs: set[str] = set()
+
+        # Presence penalty related data structures
+        self.presence_penalties = torch.empty((max_num_reqs, ),
+                                              dtype=torch.float,
+                                              device=device)
+        self.presence_penalties_cpu_tensor = torch.empty((max_num_reqs, ),
+                                                         dtype=torch.float,
+                                                         device="cpu",
+                                                         pin_memory=pin_memory)
+        self.presence_penalties_cpu = self.presence_penalties_cpu_tensor.numpy(
+        )
+        self.presence_penalties_reqs: set[str] = set()
+
+        # Repetition penalty related data structures
+        self.repetition_penalties = torch.empty((max_num_reqs, ),
+                                                dtype=torch.float,
+                                                device=device)
+        self.repetition_penalties_cpu_tensor = torch.empty(
+            (max_num_reqs, ),
+            dtype=torch.float,
+            device="cpu",
+            pin_memory=pin_memory)
+        self.repetition_penalties_cpu = \
+            self.repetition_penalties_cpu_tensor.numpy()
+        self.repetition_penalties_reqs: set[str] = set()
+
+        # req_index -> (min_tokens, stop_token_ids)
+        self.min_tokens: dict[int, tuple[int, set[int]]] = {}
+
+        # lora related
+        self.request_lora_mapping = np.zeros((self.max_num_reqs, ),
+                                             dtype=np.int32)
+        self.lora_id_to_request_ids: dict[int, set[str]] = {}
+        self.lora_id_to_lora_request: dict[int, LoRARequest] = {}
+
+        # req_index -> generator
+        # NOTE(woosuk): The indices of the requests that do not have their own
+        # generator should not be included in the dictionary.
+        self.generators: dict[int, torch.Generator] = {}
+
+        self.num_logprobs: dict[str, int] = {}
+        # NOTE(rob): num_prompt_logprobs only includes reqs
+        # that are currently in the prefill phase.
+        self.num_prompt_logprobs: dict[str, int] = {}
+
+        # To accumulate prompt logprobs tensor chunks across prefill steps.
+        self.in_progress_prompt_logprobs_cpu: dict[str, LogprobsTensors] = {}
+
+        self.logit_bias: list[Optional[dict[int,
+                                            float]]] = [None] * max_num_reqs
+        self.has_allowed_token_ids: set[str] = set()
+        # NOTE(lufang): In the mask tensor, if the corresponding token allowed,
+        # the value is False. Since we use masked_fill_ to set -inf.
+        self.allowed_token_ids_mask: Optional[torch.Tensor] = None
+        self.allowed_token_ids_mask_cpu_tensor: Optional[torch.Tensor] = None
+
+        # req_index -> bad_words_token_ids
+        self.bad_words_token_ids: dict[int, list[list[int]]] = {}
+
+        self.req_output_token_ids: list[Optional[list[int]]] = []
+
+    @property
+    def req_ids(self) -> list[str]:
+        # None elements should only be present transiently
+        # while performing state updates to the batch.
+        return cast(list[str], self._req_ids)
+
+    def add_request(
+        self,
+        request: "CachedRequestState",
+        req_index: Optional[int] = None,
+    ) -> None:
+        if req_index is None:
+            req_index = self.num_reqs
+        assert req_index < self.max_num_reqs
+
+        req_id = request.req_id
+        if req_index == len(self._req_ids):
+            self._req_ids.append(req_id)
+            self.req_output_token_ids.append(request.output_token_ids)
+        else:
+            self._req_ids[req_index] = req_id
+            self.req_output_token_ids[req_index] = request.output_token_ids
+
+        self.req_id_to_index[req_id] = req_index
+
+        # Copy the prompt token ids and output token ids.
+        num_prompt_tokens = len(request.prompt_token_ids)
+        self.num_prompt_tokens[req_index] = num_prompt_tokens
+        self.token_ids_cpu[
+            req_index, :num_prompt_tokens] = request.prompt_token_ids
+        start_idx = num_prompt_tokens
+        end_idx = start_idx + len(request.output_token_ids)
+        self.token_ids_cpu[req_index,
+                           start_idx:end_idx] = request.output_token_ids
+        # Number of token ids in token_ids_cpu.
+        # NOTE(woosuk): This may include spec decode tokens.
+        self.num_tokens[req_index] = request.num_tokens
+        # Number of tokens without spec decode tokens.
+        self.num_tokens_no_spec[req_index] = request.num_tokens
+
+        self.num_computed_tokens_cpu[req_index] = request.num_computed_tokens
+        self.block_table.add_row(request.block_ids, req_index)
+
+        sampling_params = request.sampling_params
+        if sampling_params.sampling_type == SamplingType.GREEDY:
+            # Avoid later division by zero.
+            self.temperature_cpu[req_index] = -1.0
+            self.greedy_reqs.add(req_id)
+        else:
+            self.temperature_cpu[req_index] = sampling_params.temperature
+            self.random_reqs.add(req_id)
+
+        self.top_p_cpu[req_index] = sampling_params.top_p
+        if sampling_params.top_p < 1:
+            self.top_p_reqs.add(req_id)
+        top_k = sampling_params.top_k
+        if 0 < top_k < self.vocab_size:
+            self.top_k_reqs.add(req_id)
+        else:
+            top_k = self.vocab_size
+        self.top_k_cpu[req_index] = top_k
+        self.min_p_cpu[req_index] = sampling_params.min_p
+        self.frequency_penalties_cpu[
+            req_index] = sampling_params.frequency_penalty
+        if sampling_params.min_p > _SAMPLING_EPS:
+            self.min_p_reqs.add(req_id)
+        if sampling_params.frequency_penalty != 0.0:
+            self.frequency_penalties_reqs.add(req_id)
+        self.presence_penalties_cpu[
+            req_index] = sampling_params.presence_penalty
+        if sampling_params.presence_penalty != 0.0:
+            self.presence_penalties_reqs.add(req_id)
+        self.repetition_penalties_cpu[
+            req_index] = sampling_params.repetition_penalty
+        if sampling_params.repetition_penalty != 1.0:
+            self.repetition_penalties_reqs.add(req_id)
+        if sampling_params.min_tokens:
+            self.min_tokens[req_index] = (sampling_params.min_tokens,
+                                          sampling_params.all_stop_token_ids)
+
+        # NOTE(woosuk): self.generators should not include the requests that
+        # do not have their own generator.
+        if request.generator is not None:
+            self.generators[req_index] = request.generator
+
+        if sampling_params.logprobs is not None:
+            self.num_logprobs[req_id] = sampling_params.logprobs
+        if sampling_params.prompt_logprobs is not None:
+            self.num_prompt_logprobs[req_id] = sampling_params.prompt_logprobs
+        if sampling_params.logit_bias is not None:
+            self.logit_bias[req_index] = sampling_params.logit_bias
+
+        if sampling_params.allowed_token_ids:
+            self.has_allowed_token_ids.add(req_id)
+            if self.allowed_token_ids_mask_cpu_tensor is None:
+                # Lazy allocation for this tensor, which can be large.
+                # False means we don't fill with -inf.
+                self.allowed_token_ids_mask = torch.zeros(self.max_num_reqs,
+                                                          self.vocab_size,
+                                                          dtype=torch.bool,
+                                                          device=self.device)
+                self.allowed_token_ids_mask_cpu_tensor = torch.zeros(
+                    self.max_num_reqs,
+                    self.vocab_size,
+                    dtype=torch.bool,
+                    device="cpu")
+            self.allowed_token_ids_mask_cpu_tensor[req_index] = True
+            # False means we don't fill with -inf.
+            self.allowed_token_ids_mask_cpu_tensor[req_index][
+                sampling_params.allowed_token_ids] = False
+
+        if sampling_params.bad_words_token_ids:
+            self.bad_words_token_ids[
+                req_index] = sampling_params.bad_words_token_ids
+
+        # Add request lora ID
+        if request.lora_request:
+            lora_id = request.lora_request.lora_int_id
+            if lora_id not in self.lora_id_to_request_ids:
+                self.lora_id_to_request_ids[lora_id] = set()
+
+            self.request_lora_mapping[req_index] = lora_id
+            self.lora_id_to_request_ids[lora_id].add(request.req_id)
+            self.lora_id_to_lora_request[lora_id] = request.lora_request
+        else:
+            # No LoRA
+            self.request_lora_mapping[req_index] = 0
+
+    def remove_request(self, req_id: str) -> Optional[int]:
+        """This method must always be followed by a call to condense()."""
+
+        req_index = self.req_id_to_index.pop(req_id, None)
+        if req_index is None:
+            return None
+        self._req_ids[req_index] = None
+        self.req_output_token_ids[req_index] = None
+
+        self.greedy_reqs.discard(req_id)
+        self.random_reqs.discard(req_id)
+        self.top_p_reqs.discard(req_id)
+        self.top_k_reqs.discard(req_id)
+        self.min_p_reqs.discard(req_id)
+        self.min_tokens.pop(req_index, None)
+        self.frequency_penalties_reqs.discard(req_id)
+        self.presence_penalties_reqs.discard(req_id)
+        self.repetition_penalties_reqs.discard(req_id)
+        self.generators.pop(req_index, None)
+        self.num_logprobs.pop(req_id, None)
+        self.num_prompt_logprobs.pop(req_id, None)
+        self.in_progress_prompt_logprobs_cpu.pop(req_id, None)
+
+        # LoRA
+        lora_id = self.request_lora_mapping[req_index]
+        if lora_id != 0:
+            self.lora_id_to_request_ids[lora_id].discard(req_id)
+            if len(self.lora_id_to_request_ids[lora_id]) == 0:
+                self.lora_id_to_request_ids.pop(lora_id)
+                self.lora_id_to_lora_request.pop(lora_id)
+            self.request_lora_mapping[req_index] = 0
+
+        self.logit_bias[req_index] = None
+        self.has_allowed_token_ids.discard(req_id)
+        if self.allowed_token_ids_mask_cpu_tensor is not None:
+            # False means we don't fill with -inf.
+            self.allowed_token_ids_mask_cpu_tensor[req_index].fill_(False)
+        self.bad_words_token_ids.pop(req_index, None)
+        return req_index
+
+    def swap_states(self, i1: int, i2: int) -> None:
+        old_id_i1 = self._req_ids[i1]
+        old_id_i2 = self._req_ids[i2]
+        self._req_ids[i1], self._req_ids[i2] =\
+            self._req_ids[i2], self._req_ids[i1] # noqa
+        self.req_output_token_ids[i1], self.req_output_token_ids[i2] =\
+            self.req_output_token_ids[i2], self.req_output_token_ids[i1]
+        assert old_id_i1 is not None and old_id_i2 is not None
+        self.req_id_to_index[old_id_i1], self.req_id_to_index[old_id_i2] =\
+            self.req_id_to_index[old_id_i2], self.req_id_to_index[old_id_i1]
+        self.num_tokens[i1], self.num_tokens[i2] =\
+            self.num_tokens[i2], self.num_tokens[i1]
+        self.num_tokens_no_spec[i1], self.num_tokens_no_spec[i2] =\
+            self.num_tokens_no_spec[i2], self.num_tokens_no_spec[i1]
+        self.num_prompt_tokens[i1], self.num_prompt_tokens[i2] =\
+            self.num_prompt_tokens[i2], self.num_prompt_tokens[i1]
+        self.num_computed_tokens_cpu[i1], self.num_computed_tokens_cpu[i2] =\
+            self.num_computed_tokens_cpu[i2], self.num_computed_tokens_cpu[i1]
+        self.temperature_cpu[i1], self.temperature_cpu[i2] =\
+            self.temperature_cpu[i2], self.temperature_cpu[i1]
+        self.top_p_cpu[i1], self.top_p_cpu[i2] =\
+            self.top_p_cpu[i2], self.top_p_cpu[i1]
+        self.top_k_cpu[i1], self.top_k_cpu[i2] =\
+            self.top_k_cpu[i2], self.top_k_cpu[i1]
+        self.frequency_penalties_cpu[i1], self.frequency_penalties_cpu[i2] =\
+            self.frequency_penalties_cpu[i2], self.frequency_penalties_cpu[i1]
+        self.presence_penalties_cpu[i1], self.presence_penalties_cpu[i2] =\
+            self.presence_penalties_cpu[i2], self.presence_penalties_cpu[i1]
+        self.repetition_penalties_cpu[i1], self.repetition_penalties_cpu[i2] =\
+            self.repetition_penalties_cpu[i2], self.repetition_penalties_cpu[i1]
+        self.min_p_cpu[i1], self.min_p_cpu[i2] =\
+            self.min_p_cpu[i2], self.min_p_cpu[i1]
+
+        # NOTE: the following is unsafe
+        # self.token_ids_cpu[i1, ...], self.token_ids_cpu[i2, ...], =\
+        #     self.token_ids_cpu[i2, ...], self.token_ids_cpu[i1, ...]
+        # instead, we need to temporiarily copy the data for one of the indices
+        # TODO(lucas): optimize this by only copying valid indices
+        tmp = self.token_ids_cpu[i1, ...].copy()
+        self.token_ids_cpu[i1, ...] = self.token_ids_cpu[i2, ...]
+        self.token_ids_cpu[i2, ...] = tmp
+
+        swap_dict_values(self.generators, i1, i2)
+        swap_dict_values(self.min_tokens, i1, i2)
+        swap_dict_values(self.bad_words_token_ids, i1, i2)
+
+        self.request_lora_mapping[i1], self.request_lora_mapping[i2] =\
+            self.request_lora_mapping[i2], self.request_lora_mapping[i1]
+        self.logit_bias[i1], self.logit_bias[i2] =\
+            self.logit_bias[i2], self.logit_bias[i1]
+
+        if self.allowed_token_ids_mask_cpu_tensor is not None:
+            self.allowed_token_ids_mask_cpu_tensor[i1], \
+                self.allowed_token_ids_mask_cpu_tensor[i2] =\
+                self.allowed_token_ids_mask_cpu_tensor[i2], \
+                    self.allowed_token_ids_mask_cpu_tensor[i1]
+        self.block_table.swap_row(i1, i2)
+
+    def condense(self, empty_req_indices: list[int]) -> None:
+        """Move non-empty requests down into lower, empty indices.
+        
+        Args:
+          empty_req_indices: empty batch indices, sorted descending.
+        """
+        num_reqs = self.num_reqs
+        if num_reqs == 0:
+            # The batched states are empty.
+            self._req_ids.clear()
+            self.req_output_token_ids.clear()
+            return
+
+        # NOTE(woosuk): This function assumes that the empty_req_indices
+        # is sorted in descending order.
+        last_req_index = num_reqs + len(empty_req_indices) - 1
+        while empty_req_indices:
+            # Find the largest non-empty index.
+            while last_req_index in empty_req_indices:
+                last_req_index -= 1
+
+            # Find the smallest empty index.
+            empty_index = empty_req_indices.pop()
+            if empty_index >= last_req_index:
+                break
+
+            # Swap the states.
+            req_id = self._req_ids[last_req_index]
+            output_token_ids = self.req_output_token_ids[last_req_index]
+            assert req_id is not None
+            self._req_ids[empty_index] = req_id
+            self._req_ids[last_req_index] = None
+            self.req_output_token_ids[empty_index] = output_token_ids
+            self.req_output_token_ids[last_req_index] = None
+            self.req_id_to_index[req_id] = empty_index
+
+            num_tokens = self.num_tokens[last_req_index]
+            self.token_ids_cpu[empty_index, :num_tokens] = self.token_ids_cpu[
+                last_req_index, :num_tokens]
+            self.num_tokens[empty_index] = num_tokens
+            self.num_tokens_no_spec[empty_index] = self.num_tokens_no_spec[
+                last_req_index]
+            self.num_prompt_tokens[empty_index] = self.num_prompt_tokens[
+                last_req_index]
+            self.num_computed_tokens_cpu[
+                empty_index] = self.num_computed_tokens_cpu[last_req_index]
+            self.block_table.move_row(last_req_index, empty_index)
+            self.temperature_cpu[empty_index] = self.temperature_cpu[
+                last_req_index]
+            self.top_p_cpu[empty_index] = self.top_p_cpu[last_req_index]
+            self.top_k_cpu[empty_index] = self.top_k_cpu[last_req_index]
+            self.frequency_penalties_cpu[
+                empty_index] = self.frequency_penalties_cpu[last_req_index]
+            self.presence_penalties_cpu[
+                empty_index] = self.presence_penalties_cpu[last_req_index]
+            self.repetition_penalties_cpu[
+                empty_index] = self.repetition_penalties_cpu[last_req_index]
+            self.min_p_cpu[empty_index] = self.min_p_cpu[last_req_index]
+            generator = self.generators.pop(last_req_index, None)
+            if generator is not None:
+                self.generators[empty_index] = generator
+
+            min_token = self.min_tokens.pop(last_req_index, None)
+            if min_token is not None:
+                self.min_tokens[empty_index] = min_token
+
+            self.request_lora_mapping[empty_index] = self.request_lora_mapping[
+                last_req_index]
+
+            self.logit_bias[empty_index] = self.logit_bias[last_req_index]
+
+            if self.allowed_token_ids_mask_cpu_tensor is not None:
+                self.allowed_token_ids_mask_cpu_tensor[
+                    empty_index] = self.allowed_token_ids_mask_cpu_tensor[
+                        last_req_index]
+
+            bad_words_token_ids = self.bad_words_token_ids.pop(
+                last_req_index, None)
+            if bad_words_token_ids is not None:
+                self.bad_words_token_ids[empty_index] = bad_words_token_ids
+            # Decrement last_req_index since it is now empty.
+            last_req_index -= 1
+
+        # Trim lists to the batch size.
+        del self._req_ids[self.num_reqs:]
+        del self.req_output_token_ids[self.num_reqs:]
+
+    def _make_prompt_token_ids_tensor(self) -> torch.Tensor:
+        max_prompt_len = self.num_prompt_tokens[:self.num_reqs].max()
+        prompt_token_ids_cpu_tensor = torch.empty(
+            (self.num_reqs, max_prompt_len),
+            device="cpu",
+            dtype=torch.int64,
+            pin_memory=self.pin_memory,
+        )
+        prompt_token_ids = prompt_token_ids_cpu_tensor.numpy()
+        prompt_token_ids[:] = self.token_ids_cpu[:self.
+                                                 num_reqs, :max_prompt_len]
+        # Use the value of vocab_size as a pad since we don't have a
+        # token_id of this value.
+        for i in range(self.num_reqs):
+            prompt_token_ids[i, self.num_prompt_tokens[i]:] = self.vocab_size
+        return prompt_token_ids_cpu_tensor.to(device=self.device,
+                                              non_blocking=True)
+
+    def make_lora_inputs(
+        self, num_scheduled_tokens: np.ndarray
+    ) -> tuple[tuple[int, ...], tuple[int, ...], set[LoRARequest]]:
+        """
+        Given the num_scheduled_tokens for each request in the batch, return
+        datastructures used to activate the current LoRAs.
+        Returns:
+            1. prompt_lora_mapping: A tuple of size self.num_reqs where,
+               prompt_lora_mapping[i] is the LoRA id to use for the ith prompt.
+            2. token_lora_mapping: A tuple of size np.sum(num_scheduled_tokens)
+               where, token_lora_mapping[i] is the LoRA id to use for ith token.
+            3. lora_requests: Set of relevant LoRA requests.
+        """
+
+        req_lora_mapping = self.request_lora_mapping[:self.num_reqs]
+        prompt_lora_mapping = tuple(req_lora_mapping)
+        token_lora_mapping = tuple(
+            req_lora_mapping.repeat(num_scheduled_tokens))
+        active_lora_requests: set[LoRARequest] = set(
+            self.lora_id_to_lora_request.values())
+
+        return prompt_lora_mapping, token_lora_mapping, active_lora_requests
+
+    @property
+    def num_reqs(self) -> int:
+        return len(self.req_id_to_index)
+
+    @property
+    def all_greedy(self) -> bool:
+        return len(self.random_reqs) == 0
+
+    @property
+    def all_random(self) -> bool:
+        return len(self.greedy_reqs) == 0
+
+    @property
+    def no_top_p(self) -> bool:
+        return len(self.top_p_reqs) == 0
+
+    @property
+    def no_top_k(self) -> bool:
+        return len(self.top_k_reqs) == 0
+
+    @property
+    def no_min_p(self) -> bool:
+        return len(self.min_p_reqs) == 0
+
+    @property
+    def no_penalties(self) -> bool:
+        return (len(self.presence_penalties_reqs) == 0
+                and len(self.frequency_penalties_reqs) == 0
+                and len(self.repetition_penalties_reqs) == 0)
+
+    @property
+    def max_num_logprobs(self) -> Optional[int]:
+        return max(self.num_logprobs.values()) if self.num_logprobs else None
+
+    @property
+    def no_prompt_logprob(self) -> bool:
+        return not self.num_prompt_logprobs
+
+    @property
+    def no_allowed_token_ids(self) -> bool:
+        return len(self.has_allowed_token_ids) == 0

vllm/v1/worker/tpu_model_runner.py

@@ -42,8 +42,8 @@ from vllm.v1.outputs import (EMPTY_MODEL_RUNNER_OUTPUT, LogprobsTensors,
 from vllm.v1.sample.tpu.metadata import TPUSupportedSamplingMetadata
 from vllm.v1.sample.tpu.sampler import Sampler as TPUSampler
 from vllm.v1.utils import bind_kv_cache
-from vllm.v1.worker.gpu_input_batch import CachedRequestState, InputBatch
 from vllm.v1.worker.lora_model_runner_mixin import LoRAModelRunnerMixin
+from vllm.v1.worker.tpu_input_batch import CachedRequestState, InputBatch
 
 from .utils import (initialize_kv_cache_for_kv_sharing,
                     sanity_check_mm_encoder_outputs)