239 lines
10 KiB
Python
239 lines
10 KiB
Python
#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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# This file is a part of the vllm-ascend project.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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from typing import Optional
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from vllm.logger import logger
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TORCHAIR_MODEL_LIST = ["deepseek", "pangu", "kimi_k2", "qwen"]
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def _check_torchair_supported(model_type: str):
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for supported_model in TORCHAIR_MODEL_LIST:
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if supported_model in model_type.lower():
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return True
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return False
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class AscendConfig:
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"""
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Configuration Object for additional_config from vllm.configs.
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"""
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def __init__(self, vllm_config):
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additional_config = vllm_config.additional_config if vllm_config.additional_config is not None else {}
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self.is_deepseek_sfa = vllm_config.model_config is not None and vllm_config.model_config.is_deepseek_mla and vllm_config.model_config.hf_text_config.model_type == "deepseek_v32"
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self.use_sfa = self.is_deepseek_sfa
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torchair_graph_config = additional_config.get("torchair_graph_config",
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{})
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self.torchair_graph_config = TorchairGraphConfig(torchair_graph_config)
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ascend_scheduler_config = additional_config.get(
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"ascend_scheduler_config", {})
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self.ascend_scheduler_config = AscendSchedulerConfig(
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ascend_scheduler_config)
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# Todo: Once https://github.com/vllm-project/vllm/issues/22246 is merged in vllm. Remove this config
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self.expert_map_path = additional_config.get("expert_map_path", None)
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self.expert_map_record_path = additional_config.get(
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"expert_map_record_path",
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None) # Provide path to export expert map
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self.init_redundancy_expert = additional_config.get(
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"init_redundancy_expert", 0)
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self.dynamic_eplb = additional_config.get("dynamic_eplb", False)
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self.num_iterations_eplb_update = additional_config.get(
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"num_iterations_eplb_update", 400)
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self.gate_eplb = additional_config.get("gate_eplb", False)
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self.num_wait_worker_iterations = additional_config.get(
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"num_wait_worker_iterations", 30)
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self.chunked_prefill_for_mla = additional_config.get(
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"chunked_prefill_for_mla", False)
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self.enable_shared_expert_dp = additional_config.get(
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"enable_shared_expert_dp", False
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) and not self.torchair_graph_config.enabled and vllm_config.parallel_config.enable_expert_parallel
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self.multistream_overlap_shared_expert = additional_config.get(
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"multistream_overlap_shared_expert", False)
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self.enable_prefetch = additional_config.get("enable_prefetch", False)
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self.lmhead_tensor_parallel_size = additional_config.get(
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"lmhead_tensor_parallel_size", None)
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if self.lmhead_tensor_parallel_size is not None:
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logger.info(
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f"Enable lmhead_tensor_parallel_size={self.lmhead_tensor_parallel_size} in pure DP scenario"
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)
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if vllm_config.parallel_config.tensor_parallel_size != 1:
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raise AssertionError(
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"lmhead_tensor_parallel_size is only supported in the pure DP scenario"
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)
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self.oproj_tensor_parallel_size = additional_config.get(
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"oproj_tensor_parallel_size", None)
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if self.oproj_tensor_parallel_size is not None:
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logger.info(
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f"Enable oproj_tensor_parallel_size={self.oproj_tensor_parallel_size} in pure DP scenario"
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)
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if vllm_config.parallel_config.tensor_parallel_size != 1:
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raise AssertionError(
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"oproj_tensor_parallel_size is only supported in the pure DP scenario"
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)
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if not self.torchair_graph_config.enabled:
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raise AssertionError(
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"oproj_tensor_parallel_size is only supported in graph mode"
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)
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if vllm_config.kv_transfer_config is None or not vllm_config.kv_transfer_config.is_kv_consumer:
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raise AssertionError(
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"oproj_tensor_parallel_size is only supported in pd scenario and can only be used in D node."
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)
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class TorchairGraphConfig:
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"""
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Configuration Object for torchair_graph_config from additional_config
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"""
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def __init__(self, torchair_graph_config):
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self.enabled = torchair_graph_config.get("enabled", False)
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self.mode = torchair_graph_config.get("mode", '')
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self.use_cached_graph = torchair_graph_config.get(
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"use_cached_graph", False)
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self.use_cached_kv_cache_bytes = torchair_graph_config.get(
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"use_cached_kv_cache_bytes", False)
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self.graph_batch_sizes = torchair_graph_config.get(
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"graph_batch_sizes", [])
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self.graph_batch_sizes_init = torchair_graph_config.get(
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"graph_batch_sizes_init", False)
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self.enable_multistream_mla = torchair_graph_config.get(
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"enable_multistream_mla", False)
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self.enable_view_optimize = torchair_graph_config.get(
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"enable_view_optimize", True)
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self.enable_frozen_parameter = torchair_graph_config.get(
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"enable_frozen_parameter", True)
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self.enable_kv_nz = torchair_graph_config.get("enable_kv_nz", False)
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if not isinstance(self.graph_batch_sizes, list):
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raise TypeError("graph_batch_sizes must be list[int]")
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if self.graph_batch_sizes_init and len(self.graph_batch_sizes) > 0:
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raise ValueError(
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"graph_batch_sizes_init is only valid when graph_batch_sizes is empty"
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)
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if not self.enabled:
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if self.mode:
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raise RuntimeError(
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"mode is valid only when Torchair graph mode is enabled")
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if self.use_cached_graph:
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raise RuntimeError(
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"use_cached_graph is valid only when Torchair graph mode is enabled"
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)
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if self.use_cached_kv_cache_bytes:
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raise RuntimeError(
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"use_cached_kv_cache_bytes is valid only when Torchair graph mode is enabled"
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)
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if self.graph_batch_sizes:
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raise RuntimeError(
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"graph_batch_sizes is valid only when Torchair graph mode is enabled"
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)
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if self.graph_batch_sizes_init:
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raise RuntimeError(
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"graph_batch_sizes_init is valid only when Torchair graph mode is enabled"
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)
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if self.enable_multistream_mla:
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raise RuntimeError(
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"enable_multistream_mla is valid only when Torchair graph mode is enabled"
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)
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if self.enable_kv_nz:
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raise RuntimeError(
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"enable_kv_nz is valid only when Torchair graph mode is enabled"
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)
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if self.use_cached_kv_cache_bytes and not self.use_cached_graph:
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raise RuntimeError(
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"use_cached_kv_cache_bytes is valid only when Torchair graph mode and use_cached_graph are enabled"
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)
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class AscendSchedulerConfig:
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"""
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Configuration Object for ascend_scheduler_config from additional_config
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"""
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def __init__(self, ascend_scheduler_config: dict):
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self.enabled = ascend_scheduler_config.get("enabled", False)
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# Ascend scheduler is based on vllm v0 scheduler, so we should support
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# all vllm v0 scheduler configs as well.
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for k, v in ascend_scheduler_config.items():
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if not hasattr(self, k):
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setattr(self, k, v)
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_ASCEND_CONFIG: Optional[AscendConfig] = None
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def init_ascend_config(vllm_config):
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additional_config = vllm_config.additional_config if vllm_config.additional_config is not None else {}
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refresh = additional_config.get("refresh",
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False) if additional_config else False
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global _ASCEND_CONFIG
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if _ASCEND_CONFIG is not None and not refresh:
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return _ASCEND_CONFIG
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_ASCEND_CONFIG = AscendConfig(vllm_config)
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return _ASCEND_CONFIG
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def clear_ascend_config():
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global _ASCEND_CONFIG
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_ASCEND_CONFIG = None
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def get_ascend_config():
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global _ASCEND_CONFIG
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if _ASCEND_CONFIG is None:
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raise RuntimeError(
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"Ascend config is not initialized. Please call init_ascend_config first."
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)
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return _ASCEND_CONFIG
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def check_ascend_config(vllm_config, enforce_eager):
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ascend_config = get_ascend_config()
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# for eager mode
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if enforce_eager:
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# torchair_graph cannot be enabled with eager mode.
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if ascend_config.torchair_graph_config.enabled:
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raise RuntimeError(
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"Can't enable graph mode and eager mode at the same time. Please set `enforce_eager=False` if you attempt to enable NPU graph mode."
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)
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# for graph mode
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else:
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# torchair_graph case
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if ascend_config.torchair_graph_config.enabled:
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# torchair_graph is supported for deepseek/pangu/qwen model only.
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if vllm_config.model_config:
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model_type = vllm_config.model_config.hf_config.model_type
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if not _check_torchair_supported(model_type):
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raise NotImplementedError(
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"Torchair graph mode only works with following model types:"
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f"{TORCHAIR_MODEL_LIST}.")
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if ascend_config.enable_shared_expert_dp:
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logger.warning(
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"enable_shared_expert_dp is not supported for torchair graph mode currently, "
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"it has been disabled automatically.")
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# aclgraph case
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else:
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if vllm_config.model_config:
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model_type = vllm_config.model_config.hf_config.model_type
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if "qwen" not in model_type:
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logger.warning(
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"ACL Graph is currently experimental. Please "
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"raise an issue on https://github.com/vllm-project/vllm-ascend/issues"
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" if you encourage any Error")
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