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[Lint]Style: Convert vllm-ascend/ to ruff format(Batch #6) (#6001)

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### What this PR does / why we need it?
| File Path |
| :--- |
| ` vllm_ascend/eplb/adaptor/abstract_adaptor.py` |
| ` vllm_ascend/eplb/adaptor/vllm_adaptor.py` |
| ` vllm_ascend/eplb/core/eplb_device_transfer_loader.py` |
| ` vllm_ascend/eplb/core/eplb_utils.py` |
| ` vllm_ascend/eplb/core/eplb_worker.py` |
| ` vllm_ascend/eplb/core/policy/policy_abstract.py` |
| ` vllm_ascend/eplb/core/policy/policy_default_eplb.py` |
| ` vllm_ascend/eplb/core/policy/policy_factory.py` |
| ` vllm_ascend/eplb/core/policy/policy_flashlb.py` |
| ` vllm_ascend/eplb/core/policy/policy_random.py` |
| ` vllm_ascend/eplb/core/policy/policy_swift_balancer.py` |
| ` vllm_ascend/eplb/eplb_updator.py` |
| ` vllm_ascend/eplb/utils.py` |
| ` vllm_ascend/model_loader/netloader/executor/elastic_load.py` |
| ` vllm_ascend/model_loader/netloader/executor/netloader_pg.py` |
| ` vllm_ascend/model_loader/netloader/interaction/elastic.py` |
| ` vllm_ascend/model_loader/netloader/load.py` |
| ` vllm_ascend/model_loader/netloader/netloader.py` |
| ` vllm_ascend/model_loader/netloader/utils.py` |
| ` vllm_ascend/patch/platform/__init__.py` |
| ` vllm_ascend/patch/platform/patch_balance_schedule.py` |
| ` vllm_ascend/patch/platform/patch_ec_connector.py` |
| ` vllm_ascend/patch/platform/patch_mamba_config.py` |
| ` vllm_ascend/patch/platform/patch_multiproc_executor.py` |
| ` vllm_ascend/patch/platform/patch_sched_yield.py` |


- vLLM version: v0.13.0
- vLLM main:
2c24bc6996

---------

Signed-off-by: MrZ20 <2609716663@qq.com>
This commit is contained in:
SILONG ZENG
2026-01-24 22:08:33 +08:00
committed by GitHub
parent 153da1a669
commit 4e53c1d900
26 changed files with 894 additions and 1148 deletions
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192
vllm_ascend/patch/platform/patch_balance_schedule.py
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@@ -7,17 +7,14 @@ import torch.distributed as dist
import vllm
from vllm.config import ParallelConfig
from vllm.distributed.ec_transfer.ec_connector.base import ECConnectorMetadata
from vllm.distributed.kv_transfer.kv_connector.v1.base import \
KVConnectorMetadata
from vllm.distributed.kv_transfer.kv_connector.v1.base import KVConnectorMetadata
from vllm.logger import init_logger
from vllm.multimodal import MULTIMODAL_REGISTRY, MultiModalRegistry
from vllm.transformers_utils.config import \
maybe_register_config_serialize_by_value
from vllm.transformers_utils.config import maybe_register_config_serialize_by_value
from vllm.utils.system_utils import decorate_logs, set_process_title
from vllm.v1.core.kv_cache_manager import KVCacheBlocks
from vllm.v1.core.sched.output import NewRequestData, SchedulerOutput
from vllm.v1.core.sched.request_queue import (SchedulingPolicy,
create_request_queue)
from vllm.v1.core.sched.request_queue import SchedulingPolicy, create_request_queue
from vllm.v1.core.sched.scheduler import Scheduler
from vllm.v1.engine import EngineCoreEventType, EngineCoreOutputs
from vllm.v1.engine.core import DPEngineCoreProc, EngineCoreProc
@@ -30,7 +27,6 @@ logger = init_logger(__name__)
class BalanceScheduler(Scheduler):
def __init__(
self,
vllm_config,
@@ -41,9 +37,15 @@ class BalanceScheduler(Scheduler):
include_finished_set: bool = False,
log_stats: bool = False,
) -> None:
super().__init__(vllm_config, kv_cache_config,
structured_output_manager, block_size, mm_registry,
include_finished_set, log_stats)
super().__init__(
vllm_config,
kv_cache_config,
structured_output_manager,
block_size,
mm_registry,
include_finished_set,
log_stats,
)
# Balance scheduling.
self.balance_queue = [
torch.tensor([0], dtype=torch.int, device="cpu")
@@ -51,9 +53,7 @@ class BalanceScheduler(Scheduler):
]
def balance_gather(self, dp_group):
running_tensor = torch.tensor([len(self.running)],
dtype=torch.int,
device="cpu")
running_tensor = torch.tensor([len(self.running)], dtype=torch.int, device="cpu")
dist.all_gather(self.balance_queue, running_tensor, group=dp_group)
def schedule(self) -> SchedulerOutput:
@@ -89,33 +89,32 @@ class BalanceScheduler(Scheduler):
while req_index < len(self.running) and token_budget > 0:
request = self.running[req_index]
if (request.num_output_placeholders > 0
# This is (num_computed_tokens + 1) - (num_output_placeholders - 1).
# Since output placeholders are also included in the computed tokens
# count, we subtract (num_output_placeholders - 1) to remove any draft
# tokens, so that we can be sure no further steps are needed even if
# they are all rejected.
and request.num_computed_tokens + 2 -
request.num_output_placeholders
>= request.num_prompt_tokens + request.max_tokens):
if (
request.num_output_placeholders > 0
# This is (num_computed_tokens + 1) - (num_output_placeholders - 1).
# Since output placeholders are also included in the computed tokens
# count, we subtract (num_output_placeholders - 1) to remove any draft
# tokens, so that we can be sure no further steps are needed even if
# they are all rejected.
and request.num_computed_tokens + 2 - request.num_output_placeholders
>= request.num_prompt_tokens + request.max_tokens
):
# Async scheduling: Avoid scheduling an extra step when we are sure that
# the previous step has reached request.max_tokens. We don't schedule
# partial draft tokens since this prevents uniform decode optimizations.
req_index += 1
continue
num_new_tokens = (request.num_tokens_with_spec +
request.num_output_placeholders -
request.num_computed_tokens)
num_new_tokens = (
request.num_tokens_with_spec + request.num_output_placeholders - request.num_computed_tokens
)
if 0 < self.scheduler_config.long_prefill_token_threshold < num_new_tokens:
num_new_tokens = self.scheduler_config.long_prefill_token_threshold
num_new_tokens = min(num_new_tokens, token_budget)
# Make sure the input position does not exceed the max model len.
# This is necessary when using spec decoding.
num_new_tokens = min(
num_new_tokens,
self.max_model_len - 1 - request.num_computed_tokens)
num_new_tokens = min(num_new_tokens, self.max_model_len - 1 - request.num_computed_tokens)
# Schedule encoder inputs.
encoder_inputs_to_schedule = None
@@ -174,20 +173,17 @@ class BalanceScheduler(Scheduler):
self.running.remove(preempted_req)
if preempted_req in scheduled_running_reqs:
scheduled_running_reqs.remove(preempted_req)
token_budget += num_scheduled_tokens[
preempted_req.request_id]
token_budget += num_scheduled_tokens[preempted_req.request_id]
req_to_new_blocks.pop(preempted_req.request_id)
num_scheduled_tokens.pop(preempted_req.request_id)
scheduled_spec_decode_tokens.pop(
preempted_req.request_id, None)
preempted_encoder_inputs = scheduled_encoder_inputs.pop(
preempted_req.request_id, None)
scheduled_spec_decode_tokens.pop(preempted_req.request_id, None)
preempted_encoder_inputs = scheduled_encoder_inputs.pop(preempted_req.request_id, None)
if preempted_encoder_inputs:
# Restore encoder compute budget if the preempted
# request had encoder inputs scheduled in this step.
num_embeds_to_restore = sum(
preempted_req.get_num_encoder_embeds(i)
for i in preempted_encoder_inputs)
preempted_req.get_num_encoder_embeds(i) for i in preempted_encoder_inputs
)
encoder_compute_budget += num_embeds_to_restore
req_index -= 1
else:
@@ -212,23 +208,20 @@ class BalanceScheduler(Scheduler):
# Speculative decode related.
if request.spec_token_ids:
num_scheduled_spec_tokens = (num_new_tokens +
request.num_computed_tokens -
request.num_tokens -
request.num_output_placeholders)
num_scheduled_spec_tokens = (
num_new_tokens + request.num_computed_tokens - request.num_tokens - request.num_output_placeholders
)
if num_scheduled_spec_tokens > 0:
# Trim spec_token_ids list to num_scheduled_spec_tokens.
del request.spec_token_ids[num_scheduled_spec_tokens:]
scheduled_spec_decode_tokens[request.request_id] = (
request.spec_token_ids)
scheduled_spec_decode_tokens[request.request_id] = request.spec_token_ids
# New spec tokens will be set in `update_draft_token_ids` before the
# next step when applicable.
request.spec_token_ids = []
# Encoder-related.
if encoder_inputs_to_schedule:
scheduled_encoder_inputs[request.request_id] = (
encoder_inputs_to_schedule)
scheduled_encoder_inputs[request.request_id] = encoder_inputs_to_schedule
# Allocate the encoder cache.
for i in encoder_inputs_to_schedule:
self.encoder_cache_manager.allocate(request, i)
@@ -243,8 +236,10 @@ class BalanceScheduler(Scheduler):
scheduled_loras: set[int] = set()
if self.lora_config:
scheduled_loras = set(
req.lora_request.lora_int_id for req in scheduled_running_reqs
if req.lora_request and req.lora_request.lora_int_id > 0)
req.lora_request.lora_int_id
for req in scheduled_running_reqs
if req.lora_request and req.lora_request.lora_int_id > 0
)
assert len(scheduled_loras) <= self.lora_config.max_loras
# Use a temporary RequestQueue to collect requests that need to be
@@ -257,9 +252,7 @@ class BalanceScheduler(Scheduler):
if len(self.running) == self.max_num_running_reqs:
break
balance_flag = (max(
t.item()
for t in self.balance_queue) == self.max_num_running_reqs)
balance_flag = max(t.item() for t in self.balance_queue) == self.max_num_running_reqs
if balance_flag:
break
@@ -292,9 +285,14 @@ class BalanceScheduler(Scheduler):
# Check that adding the request still respects the max_loras
# constraint.
if (self.lora_config and request.lora_request and
(len(scheduled_loras) == self.lora_config.max_loras and
request.lora_request.lora_int_id not in scheduled_loras)):
if (
self.lora_config
and request.lora_request
and (
len(scheduled_loras) == self.lora_config.max_loras
and request.lora_request.lora_int_id not in scheduled_loras
)
):
# Scheduling would exceed max_loras, skip.
self.waiting.pop_request()
skipped_waiting_requests.prepend_request(request)
@@ -306,14 +304,15 @@ class BalanceScheduler(Scheduler):
# Get already-cached tokens.
if request.num_computed_tokens == 0:
# Get locally-cached tokens.
new_computed_blocks, num_new_local_computed_tokens = (
self.kv_cache_manager.get_computed_blocks(request))
new_computed_blocks, num_new_local_computed_tokens = self.kv_cache_manager.get_computed_blocks(
request
)
# Get externally-cached tokens if using a KVConnector.
if self.connector is not None:
ext_tokens, load_kv_async = (
self.connector.get_num_new_matched_tokens(
request, num_new_local_computed_tokens))
ext_tokens, load_kv_async = self.connector.get_num_new_matched_tokens(
request, num_new_local_computed_tokens
)
if ext_tokens is None:
# The request cannot be scheduled because
@@ -327,8 +326,7 @@ class BalanceScheduler(Scheduler):
num_external_computed_tokens = ext_tokens
# Total computed tokens (local + external).
num_computed_tokens = (num_new_local_computed_tokens +
num_external_computed_tokens)
num_computed_tokens = num_new_local_computed_tokens + num_external_computed_tokens
else:
# KVTransfer: WAITING reqs have num_computed_tokens > 0
# after async KV recvs are completed.
@@ -356,8 +354,7 @@ class BalanceScheduler(Scheduler):
# chunked prefill has to be enabled explicitly to allow
# pooling requests to be chunked
if (not self.scheduler_config.enable_chunked_prefill
and num_new_tokens > token_budget):
if not self.scheduler_config.enable_chunked_prefill and num_new_tokens > token_budget:
# If chunked_prefill is disabled,
# we can stop the scheduling here.
break
@@ -388,9 +385,7 @@ class BalanceScheduler(Scheduler):
# extra block gets allocated which
# creates a mismatch between the number
# of local and remote blocks.
effective_lookahead_tokens = (0 if request.num_computed_tokens
== 0 else
self.num_lookahead_tokens)
effective_lookahead_tokens = 0 if request.num_computed_tokens == 0 else self.num_lookahead_tokens
# Determine if we need to allocate cross-attention blocks.
if self.is_encoder_decoder and request.has_encoder_inputs:
@@ -398,8 +393,7 @@ class BalanceScheduler(Scheduler):
# always padded to the maximum length. If we support other
# encoder-decoder models, this will need to be updated if we
# want to only allocate what is needed.
num_encoder_tokens = (
self.scheduler_config.max_num_encoder_input_tokens)
num_encoder_tokens = self.scheduler_config.max_num_encoder_input_tokens
else:
num_encoder_tokens = 0
@@ -442,20 +436,17 @@ class BalanceScheduler(Scheduler):
self.running.append(request)
if self.log_stats:
request.record_event(EngineCoreEventType.SCHEDULED,
scheduled_timestamp)
request.record_event(EngineCoreEventType.SCHEDULED, scheduled_timestamp)
if request.status == RequestStatus.WAITING:
scheduled_new_reqs.append(request)
elif request.status == RequestStatus.PREEMPTED:
scheduled_resumed_reqs.append(request)
else:
raise RuntimeError(
f"Invalid request status: {request.status}")
raise RuntimeError(f"Invalid request status: {request.status}")
if self.lora_config and request.lora_request:
scheduled_loras.add(request.lora_request.lora_int_id)
req_to_new_blocks[request.request_id] = (
self.kv_cache_manager.get_blocks(request.request_id))
req_to_new_blocks[request.request_id] = self.kv_cache_manager.get_blocks(request.request_id)
num_scheduled_tokens[request.request_id] = num_new_tokens
token_budget -= num_new_tokens
request.status = RequestStatus.RUNNING
@@ -465,8 +456,7 @@ class BalanceScheduler(Scheduler):
request.num_cached_tokens = num_computed_tokens
# Encoder-related.
if encoder_inputs_to_schedule:
scheduled_encoder_inputs[request.request_id] = (
encoder_inputs_to_schedule)
scheduled_encoder_inputs[request.request_id] = encoder_inputs_to_schedule
# Allocate the encoder cache.
for i in encoder_inputs_to_schedule:
self.encoder_cache_manager.allocate(request, i)
@@ -476,8 +466,7 @@ class BalanceScheduler(Scheduler):
for i in external_load_encoder_input:
self.encoder_cache_manager.allocate(request, i)
if self.ec_connector is not None:
self.ec_connector.update_state_after_alloc(
request, i)
self.ec_connector.update_state_after_alloc(request, i)
# Put back any skipped requests at the head of the waiting queue
if skipped_waiting_requests:
self.waiting.prepend_requests(skipped_waiting_requests)
@@ -491,20 +480,15 @@ class BalanceScheduler(Scheduler):
# Since some requests in the RUNNING queue may not be scheduled in
# this step, the total number of scheduled requests can be smaller than
# len(self.running).
assert len(scheduled_new_reqs) + len(scheduled_resumed_reqs) + len(
scheduled_running_reqs) <= len(self.running)
assert len(scheduled_new_reqs) + len(scheduled_resumed_reqs) + len(scheduled_running_reqs) <= len(self.running)
# Get the longest common prefix among all requests in the running queue.
# This can be potentially used for cascade attention.
num_common_prefix_blocks = [0] * len(
self.kv_cache_config.kv_cache_groups)
with record_function_or_nullcontext(
"schedule: get_num_common_prefix_blocks"):
num_common_prefix_blocks = [0] * len(self.kv_cache_config.kv_cache_groups)
with record_function_or_nullcontext("schedule: get_num_common_prefix_blocks"):
if self.running:
any_request = self.running[0]
num_common_prefix_blocks = (
self.kv_cache_manager.get_num_common_prefix_blocks(
any_request.request_id))
num_common_prefix_blocks = self.kv_cache_manager.get_num_common_prefix_blocks(any_request.request_id)
# Construct the scheduler output.
if self.use_v2_model_runner:
@@ -515,17 +499,16 @@ class BalanceScheduler(Scheduler):
req,
req_to_new_blocks[req.request_id].get_block_ids(),
req._all_token_ids,
) for req in scheduled_new_reqs
)
for req in scheduled_new_reqs
]
else:
new_reqs_data = [
NewRequestData.from_request(
req, req_to_new_blocks[req.request_id].get_block_ids())
NewRequestData.from_request(req, req_to_new_blocks[req.request_id].get_block_ids())
for req in scheduled_new_reqs
]
with record_function_or_nullcontext(
"schedule: make_cached_request_data"):
with record_function_or_nullcontext("schedule: make_cached_request_data"):
cached_reqs_data = self._make_cached_request_data(
scheduled_running_reqs,
scheduled_resumed_reqs,
@@ -546,15 +529,13 @@ class BalanceScheduler(Scheduler):
scheduled_spec_decode_tokens=scheduled_spec_decode_tokens,
scheduled_encoder_inputs=scheduled_encoder_inputs,
num_common_prefix_blocks=num_common_prefix_blocks,
preempted_req_ids={req.request_id
for req in preempted_reqs},
preempted_req_ids={req.request_id for req in preempted_reqs},
# finished_req_ids is an existing state in the scheduler,
# instead of being newly scheduled in this step.
# It contains the request IDs that are finished in between
# the previous and the current steps.
finished_req_ids=self.finished_req_ids,
free_encoder_mm_hashes=self.encoder_cache_manager.
get_freed_mm_hashes(),
free_encoder_mm_hashes=self.encoder_cache_manager.get_freed_mm_hashes(),
)
# NOTE(Kuntai): this function is designed for multiple purposes:
@@ -562,14 +543,12 @@ class BalanceScheduler(Scheduler):
# 2. Wrap up all the KV cache load / save ops into an opaque object
# 3. Clear the internal states of the connector
if self.connector is not None:
meta: KVConnectorMetadata = self.connector.build_connector_meta(
scheduler_output)
meta: KVConnectorMetadata = self.connector.build_connector_meta(scheduler_output)
scheduler_output.kv_connector_metadata = meta
# Build the connector meta for ECConnector
if self.ec_connector is not None:
ec_meta: ECConnectorMetadata = self.ec_connector.build_connector_meta(
scheduler_output)
ec_meta: ECConnectorMetadata = self.ec_connector.build_connector_meta(scheduler_output)
scheduler_output.ec_connector_metadata = ec_meta
with record_function_or_nullcontext("schedule: update_after_schedule"):
@@ -578,7 +557,6 @@ class BalanceScheduler(Scheduler):
class BalanceDPEngineCoreProc(DPEngineCoreProc):
def run_busy_loop(self):
"""Core busy loop of the EngineCore for data parallel case."""
@@ -602,23 +580,23 @@ class BalanceDPEngineCoreProc(DPEngineCoreProc):
self.execute_dummy_batch()
# 3) All-reduce operation to determine global unfinished reqs.
self.engines_running = self._has_global_unfinished_reqs(
local_unfinished_reqs)
self.engines_running = self._has_global_unfinished_reqs(local_unfinished_reqs)
self.scheduler.balance_gather(self.dp_group)
if not self.engines_running:
if self.dp_rank == 0 or not self.has_coordinator:
# Notify client that we are pausing the loop.
logger.debug("Wave %d finished, pausing engine loop.",
self.current_wave)
logger.debug("Wave %d finished, pausing engine loop.", self.current_wave)
# In the coordinator case, dp rank 0 sends updates to the
# coordinator. Otherwise (offline spmd case), each rank
# sends the update to its colocated front-end process.
client_index = -1 if self.has_coordinator else 0
self.output_queue.put_nowait((
client_index,
EngineCoreOutputs(wave_complete=self.current_wave),
))
self.output_queue.put_nowait(
(
client_index,
EngineCoreOutputs(wave_complete=self.current_wave),
)
)
# Increment wave count and reset step counter.
self.current_wave += 1
self.step_counter = 0