Files
xc-llm-ascend/vllm_ascend/worker/npu_input_batch.py
wangxiyuan 758d81dcb1 Drop 0.12.0 support (#5146)
We decided to release v0.13.0 soon. So no need to support 0.12.0 now.
Let's drop it.

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>
2025-12-20 09:38:53 +08:00

250 lines
11 KiB
Python

#
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
# Copyright 2023 The vLLM team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This file is a part of the vllm-ascend project.
# Adapted from vllm-project/vllm/vllm/worker/gpu_input_batch.py
#
import numpy as np
import torch
from vllm.lora.request import LoRARequest
from vllm.pooling_params import PoolingParams
from vllm.v1.outputs import LogprobsTensors
from vllm.v1.pool.metadata import PoolingStates
from vllm.v1.sample.logits_processor import (BatchUpdateBuilder,
LogitsProcessors)
from vllm.v1.worker.gpu_input_batch import InputBatch
from vllm_ascend.worker.block_table import MultiGroupBlockTable
class NPUInputBatch(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
kernel_block_sizes: list[list[int]],
logitsprocs: LogitsProcessors | None = None,
logitsprocs_need_output_token_ids: bool = False,
is_spec_decode: bool = False,
is_pooling_model: bool = False,
num_speculative_tokens: int = 0,
cp_kv_cache_interleave_size: int = 1,
):
self.is_pooling_model = is_pooling_model
self.is_spec_decode = is_spec_decode
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[str | None] = []
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.is_token_ids_tensor = torch.zeros((max_num_reqs, max_model_len),
device="cpu",
dtype=bool,
pin_memory=False)
self.is_token_ids = self.is_token_ids_tensor.numpy()
# Store prompt embeddings per request to avoid OOM from large upfront
# allocation if max_model_len is big.
# Maps req_index -> tensor of shape (num_prompt_tokens, hidden_size)
self.req_prompt_embeds: dict[int, torch.Tensor] = {}
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,
num_speculative_tokens=num_speculative_tokens,
kernel_sizes=kernel_block_sizes,
cp_kv_cache_interleave_size=cp_kv_cache_interleave_size,
)
# 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()
# IDs of requests which do not support spec decoding
self.spec_decode_unsupported_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()
# Speculative decoding
self.num_accepted_tokens_cpu_tensor = torch.ones((max_num_reqs, ),
dtype=torch.int64,
device="cpu",
pin_memory=pin_memory)
self.num_accepted_tokens_cpu = self.num_accepted_tokens_cpu_tensor.numpy(
)
# lora related
self.request_lora_mapping = np.zeros((self.max_num_reqs, ),
dtype=np.int64)
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] = {}
# To accumulate prompt logprobs tensor chunks across prefill steps.
self.in_progress_prompt_logprobs_cpu: dict[str, LogprobsTensors] = {}
# Internal representation of per-step batch state changes, used for
# reordering persistent batch and generating logitsprocs batch state
# updates. Should reset each step.
self.batch_update_builder = BatchUpdateBuilder()
# TODO convert this to LogitsProcessor
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: torch.Tensor | None = None
self.allowed_token_ids_mask_cpu_tensor: torch.Tensor | None = None
# req_index -> bad_words_token_ids
self.bad_words_token_ids: dict[int, list[list[int]]] = {}
self.logits_processing_needs_token_ids = np.zeros(max_num_reqs,
dtype=bool)
self.req_output_token_ids: list[list[int] | None] = []
# Store provided logitsprocs. If none are provided, initialize empty
# data structure
self.logitsprocs = logitsprocs or LogitsProcessors()
self.logitsprocs_need_output_token_ids = logitsprocs_need_output_token_ids
# Store last speculative tokens for sampler.
self.spec_token_ids: list[list[int]] = [[]
for _ in range(max_num_reqs)]
# This is updated each time the batch constituents change.
self.sampling_metadata = self._make_sampling_metadata()
# for pooling models
self.pooling_params: dict[str, PoolingParams] = {}
self.pooling_states: dict[str, PoolingStates] = {}
# Cached reference to the GPU tensor of previously sampled tokens
self.prev_sampled_token_ids: torch.Tensor | None = None
self.prev_req_id_to_index: dict[str, int] | None = None
# These are used to update output_token_ids with real sampled
# ids from prior step, if required by current sampling params
# (e.g. penalties).
self.sampled_token_ids_cpu: torch.Tensor | None = None
self.async_copy_ready_event: torch.Event | None = None