mirror of
https://github.com/vllm-project/vllm-ascend.git
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bf87606932
### What this PR does / why we need it? shared expert dp for deepseek and deepseek_mtp, could be combined with sp to improve performance. ### How was this patch tested? - vLLM version: v0.11.0rc3 - vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0 --------- Signed-off-by: zhaozx-cn <zhaozx2116@163.com> Co-authored-by: realliujiaxu <realliujiaxu@163.com>
666 lines
31 KiB
Python
666 lines
31 KiB
Python
import types
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import torch
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import torch.nn as nn
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import torchair
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from torchair import patch_for_hcom
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from vllm.attention.layer import Attention
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from vllm.config import (VllmConfig, get_layers_from_vllm_config,
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set_current_vllm_config)
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from vllm.forward_context import BatchDescriptor, get_forward_context
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from vllm.model_executor.model_loader import get_model_loader
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from vllm.model_executor.model_loader.utils import (
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process_weights_after_loading, set_default_torch_dtype)
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from vllm.v1.core.sched.output import SchedulerOutput
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from vllm.v1.sample.metadata import SamplingMetadata
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from vllm.v1.spec_decode.metadata import SpecDecodeMetadata
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from vllm_ascend.ascend_config import get_ascend_config
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from vllm_ascend.ascend_forward_context import set_ascend_forward_context
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from vllm_ascend.attention.utils import AscendCommonAttentionMetadata
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from vllm_ascend.models.deepseek_mtp import CustomDeepSeekMTP
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from vllm_ascend.spec_decode.interface import Proposer, SpecDcodeType
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from vllm_ascend.torchair.models.torchair_deepseek_mtp import \
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TorchairDeepSeekMTP
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from vllm_ascend.torchair.utils import (TORCHAIR_CACHE_DIR,
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TorchairCommonAttentionMetadata)
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from vllm_ascend.utils import ProfileExecuteDuration, lmhead_tp_enable
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PADDING_SLOT_ID = -1
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class MtpProposer(Proposer):
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def __init__(
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self,
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vllm_config: VllmConfig,
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device,
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runner,
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):
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self.name = SpecDcodeType.MTP
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self.vllm_config = vllm_config
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self.device = device
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self.runner = runner
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self.num_speculative_tokens = vllm_config.speculative_config.num_speculative_tokens
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# persistent buffers for graph
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self.input_ids = torch.zeros(self.runner.max_num_tokens,
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dtype=torch.int32,
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device=self.device)
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self.positions = torch.zeros(self.runner.max_num_tokens,
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dtype=torch.int64,
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device=self.device)
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self.hidden_states = torch.zeros(
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(self.runner.max_num_tokens,
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vllm_config.model_config.get_hidden_size()),
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dtype=self.runner.dtype,
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device=self.device)
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self.torchair_compiled_model = None # type: ignore
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self.torchair_compiled_models = {} # type: ignore
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self.torchair_graph_enabled = get_ascend_config(
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).torchair_graph_config.enabled
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self.enable_shared_expert_dp = get_ascend_config(
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).enable_shared_expert_dp
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# We need +1 here because the arange is used to set query_start_loc,
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# which has one more element than batch_size.
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self.arange = torch.arange(vllm_config.scheduler_config.max_num_seqs +
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1,
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device=self.runner.device,
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dtype=torch.int32)
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self.use_sparse = hasattr(vllm_config.model_config.hf_config,
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"index_topk")
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def load_model(self, model) -> None:
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loader = get_model_loader(self.vllm_config.load_config)
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target_attn_layer_names = set(
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get_layers_from_vllm_config(self.vllm_config, Attention).keys())
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draft_model_config = \
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self.vllm_config.speculative_config.draft_model_config
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target_device = self.vllm_config.device_config.device
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with set_default_torch_dtype(
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draft_model_config.dtype), set_current_vllm_config(
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self.vllm_config):
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if self.torchair_graph_enabled:
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self.model = TorchairDeepSeekMTP(
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vllm_config=self.vllm_config).to(target_device)
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else:
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self.model = CustomDeepSeekMTP(
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vllm_config=self.vllm_config).to(target_device)
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draft_attn_layer_names = (
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get_layers_from_vllm_config(self.vllm_config, Attention).keys() -
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target_attn_layer_names)
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assert len(draft_attn_layer_names) == 1
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self.attn_layer_name = list(draft_attn_layer_names)
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self.model.load_weights(
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loader.get_all_weights(
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self.vllm_config.speculative_config.draft_model_config,
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self.model))
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process_weights_after_loading(self.model, draft_model_config,
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target_device)
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@torch.inference_mode()
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def dummy_run(self,
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num_tokens: int,
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with_prefill: bool = False,
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skip_attn: bool = False,
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num_reqs: int = 0,
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num_tokens_across_dp=None) -> None:
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if not self.torchair_graph_enabled:
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# TODO: adapt enable_dbo later
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(num_tokens, num_tokens_across_dp, with_prefill,
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_) = self.runner._sync_metadata_across_dp(num_tokens,
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with_prefill, False)
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moe_comm_type = self.runner._select_moe_comm_method(
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num_tokens, with_prefill)
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is_running_torchair = self.torchair_graph_enabled and \
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not with_prefill
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if is_running_torchair:
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skip_attn = False
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if skip_attn:
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attn_metadata = None
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else:
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common_attn_metadata = TorchairCommonAttentionMetadata(
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num_reqs=num_reqs,
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num_actual_tokens=1,
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actual_seq_lengths_q=self.runner.actual_seq_lengths_q,
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attn_mask=self.runner.attn_mask,
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spec_attn_mask=self.runner.spec_attn_mask,
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decode_token_per_req=self.runner.decode_token_per_req,
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)
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attn_metadata = self.runner.attn_metadata_builder.build_torchair_graph_dummy(
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common_attn_metadata)
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input_ids = self.input_ids[:num_tokens]
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positions = self.positions[:num_tokens]
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previous_hidden_states = self.hidden_states[:num_tokens]
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for _ in range(self.num_speculative_tokens):
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with set_ascend_forward_context(
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attn_metadata,
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self.vllm_config,
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num_tokens=num_tokens,
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with_prefill=with_prefill,
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num_tokens_across_dp=num_tokens_across_dp,
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reserved_mc2_mask=self.runner.reserved_mc2_mask,
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moe_comm_type=moe_comm_type,
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in_profile_run=self.runner.in_profile_run,
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num_actual_tokens=0):
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if is_running_torchair:
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assert attn_metadata is not None
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torch._dynamo.mark_static(input_ids)
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torch._dynamo.mark_static(positions)
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torch._dynamo.mark_static(previous_hidden_states)
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torch._dynamo.mark_static(attn_metadata.decode.block_table)
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torch._dynamo.mark_static(
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attn_metadata.decode.input_positions)
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if hasattr(attn_metadata.decode, "sin"):
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torch._dynamo.mark_static(attn_metadata.decode.sin)
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torch._dynamo.mark_static(attn_metadata.decode.cos)
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torch._dynamo.mark_static(get_forward_context().mc2_mask)
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torch._dynamo.mark_static(attn_metadata.slot_mapping)
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torch._dynamo.mark_static(attn_metadata.decode.attn_mask)
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torchair_compiled_model = self._get_torchair_lazy_compiled_model(
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num_tokens)
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torchair_compiled_model(
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input_ids=input_ids,
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positions=positions,
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previous_hidden_states=previous_hidden_states,
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inputs_embeds=None,
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intermediate_tensors=None,
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attn_metadata=attn_metadata,
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kv_caches=self.runner.kv_caches[-1:],
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spec_step_idx=0)
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else:
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self.model(input_ids=input_ids,
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positions=positions,
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previous_hidden_states=previous_hidden_states)
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if with_prefill:
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break
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def generate_token_ids(self,
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valid_sampled_token_ids: list[list[int]],
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sampling_metadata: SamplingMetadata = None,
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scheduler_output: SchedulerOutput = None,
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spec_decode_metadata: SpecDecodeMetadata = None,
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positions: torch.Tensor = None,
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num_scheduled_tokens: int = 0,
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hidden_states: torch.Tensor = None,
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attn_metadata=None,
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aux_hidden_states: torch.Tensor = None):
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if attn_metadata is not None and isinstance(attn_metadata, dict):
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attn_metadata = attn_metadata['model.layers.0.self_attn.attn']
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next_token_ids: list[int] = []
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for i, token_ids in enumerate(valid_sampled_token_ids):
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if token_ids:
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# Common case.
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next_token_id = token_ids[-1]
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else:
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# Partial prefill (rare case).
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# Get the next token id from the request state.
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req_id = self.runner.input_batch.req_ids[i]
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req_state = self.runner.requests[req_id]
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seq_len = (req_state.num_computed_tokens +
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scheduler_output.num_scheduled_tokens[req_id])
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next_token_id = req_state.get_token_id(seq_len)
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next_token_ids.append(next_token_id)
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next_token_ids = torch.tensor(next_token_ids,
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dtype=torch.int32,
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device=self.device)
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accepted_token_indices = None
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if spec_decode_metadata is None:
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# input_ids can be None for multimodal models.
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target_token_ids = self.runner.input_ids[:num_scheduled_tokens]
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target_positions = positions[:num_scheduled_tokens]
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target_hidden_states = hidden_states[:num_scheduled_tokens]
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target_slot_mapping = attn_metadata.slot_mapping
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cu_num_tokens = attn_metadata.query_start_loc
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else:
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# TODO(woosuk): Refactor this.
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num_draft_tokens = spec_decode_metadata.num_draft_tokens
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num_rejected_tokens = [
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n + 1 - len(valid_sampled_token_ids[i]) if n > 0 else 0
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for i, n in enumerate(num_draft_tokens)
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]
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num_rejected_tokens = torch.tensor(
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num_rejected_tokens,
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dtype=torch.int32,
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device=self.device,
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)
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cu_num_tokens, accepted_token_indices, target_token_ids, \
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target_positions, target_hidden_states, target_slot_mapping = self._prepare_inputs(
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attn_metadata.query_start_loc,
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num_rejected_tokens,
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self.runner.input_ids[:num_scheduled_tokens],
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positions[:num_scheduled_tokens],
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hidden_states[:num_scheduled_tokens],
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attn_metadata.slot_mapping[:num_scheduled_tokens],
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is_torchair_graph=self.runner._build_drafter_prepare_inputs_torchair_param(),
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)
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draft_token_ids = self._propose(
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target_token_ids=target_token_ids,
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target_positions=target_positions,
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target_hidden_states=target_hidden_states,
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target_slot_mapping=target_slot_mapping,
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next_token_ids=next_token_ids,
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cu_num_tokens=cu_num_tokens,
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block_table=attn_metadata.block_tables,
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sampling_metadata=sampling_metadata,
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token_indices=accepted_token_indices)
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spec_token_ids = draft_token_ids.tolist()
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return spec_token_ids
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def _prepare_inputs(
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self,
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# [batch_size + 1]
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cu_target_query_lens: torch.Tensor,
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# [batch_size]
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num_rejected_tokens: torch.Tensor,
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token_ids: torch.Tensor,
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positions: torch.Tensor,
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hidden_states: torch.Tensor,
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slot_mapping: torch.Tensor,
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is_torchair_graph: bool = False
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) -> tuple[torch.Tensor, torch.Tensor, torch.Tensor, torch.Tensor,
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torch.Tensor, torch.Tensor]:
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# cu_target_query_lens: [0, a, a + b, a + b + c]
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# num_rejected_tokens: [n1, n2, n3]
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# num_tokens_per_req: [a - n1, b - n2, c - n3]
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# cu_num_tokens: [0, a - n1, a + b - n1 - n2, a + b + c - n1 - n2 - n3]
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# token_indices: [0, 1, ..., a - n1 - 1,
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# a, a + 1, ..., a + b - n2 - 1,
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# a + b, a + b + 1, ..., a + b + c - n3 - 1]
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# [0, a, a + b, a + b + c] -> [a, b, c]
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query_len_per_req = (cu_target_query_lens[1:] -
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cu_target_query_lens[:-1])
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# [a, b, c] -> [a - n1, b - n2, c - n3]
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num_tokens_per_req = query_len_per_req - num_rejected_tokens
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if is_torchair_graph:
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cu_num_tokens = cu_target_query_lens
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relative_index = query_len_per_req - num_rejected_tokens - 1
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token_indices = cu_num_tokens[:-1] + relative_index
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# the seq len of each bath is padded to 1+num_speculative_tokens, thus input is same as the main model
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target_token_ids = token_ids
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target_positions = positions
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target_hidden_states = hidden_states
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target_slot_mapping = slot_mapping
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else:
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cu_num_tokens = torch.empty_like(cu_target_query_lens)
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torch.cumsum(num_tokens_per_req, dim=0, out=cu_num_tokens[1:])
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cu_num_tokens[0] = 0
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# FIXME(woosuk): Avoid synchronization.
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num_tokens = cu_num_tokens[-1].item()
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token_indices = torch.zeros(
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num_tokens,
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dtype=torch.int32,
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device=cu_num_tokens.device,
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)
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BLOCK_SIZE = 1024
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self._prepare_input_kernel(
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token_indices,
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cu_target_query_lens,
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cu_num_tokens,
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block_size=BLOCK_SIZE,
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)
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target_token_ids = token_ids[token_indices]
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target_positions = positions[token_indices]
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target_hidden_states = hidden_states[token_indices]
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target_slot_mapping = slot_mapping[token_indices]
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return cu_num_tokens, token_indices, target_token_ids, target_positions, target_hidden_states, target_slot_mapping
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def _propose(
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self,
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# [num_tokens]
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target_token_ids: torch.Tensor,
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# [num_tokens]
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target_positions: torch.Tensor,
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# [num_tokens, hidden_size]
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target_hidden_states: torch.Tensor,
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# [num_tokens]
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target_slot_mapping: torch.Tensor,
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# [batch_size]
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next_token_ids: torch.Tensor,
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# [batch_size + 1] starting with 0
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cu_num_tokens: torch.Tensor,
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# [batch_size, max_num_blocks_per_req]
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block_table: torch.Tensor,
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sampling_metadata: SamplingMetadata,
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token_indices=None) -> torch.Tensor:
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num_tokens = target_token_ids.shape[0]
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batch_size = next_token_ids.shape[0]
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last_token_indices = cu_num_tokens[1:] - 1
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# Shift the input ids by one token.
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# E.g., [a1, b1, b2, c1, c2, c3] -> [b1, b2, c1, c2, c3, c3]
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self.input_ids[:num_tokens - 1] = target_token_ids[1:]
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# Replace the last token with the next token.
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# E.g., [b1, b2, c1, c2, c3, c3] -> [a2, b2, b3, c2, c3, c4]
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if token_indices is not None and self.torchair_graph_enabled:
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last_token_indices = token_indices
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self.input_ids[last_token_indices] = next_token_ids
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query_lens = cu_num_tokens[1:] - cu_num_tokens[:-1]
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max_query_len = query_lens.max().item()
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# FIXME: reorder_batch() needs to be called before build()
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# because fields of attn_metadata_builder needs to be updated.
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# However, currently reorder_batch() takes input_batch and
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# scheduler_output as arguments, we should probably refactor
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# the method to use new data structures which are independent
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# from input_batch and scheduler_output.
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# self.runner.attn_metadata_builder.reorder_batch(
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# input_batch=self.runner.input_batch,
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# scheduler_output=self.runner.scheduler_output,
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# )
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is_running_torchair = self.torchair_graph_enabled and \
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not self.runner.with_prefill
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if is_running_torchair:
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# Torchair graph mode, padding is same as the main model
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num_input_tokens = self.runner.graph_pad_size
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elif (self.runner.use_aclgraph
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and num_tokens <= self.runner.aclgraph_batch_sizes[-1]):
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# Acl graph mode, add padding to the batch size
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num_input_tokens = self.vllm_config.pad_for_cudagraph(num_tokens)
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else:
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# Eager mode, no padding needed
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num_input_tokens = num_tokens
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seq_lens = target_positions[last_token_indices] + 1
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seq_lens = seq_lens.int()
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common_attn_metadata = AscendCommonAttentionMetadata(
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query_start_loc=cu_num_tokens[:batch_size + 1],
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query_start_loc_cpu=cu_num_tokens[:batch_size + 1].cpu(),
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seq_lens_cpu=seq_lens.cpu(),
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num_reqs=batch_size,
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num_actual_tokens=num_tokens,
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max_query_len=max_query_len,
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actual_seq_lengths_q=self.runner.actual_seq_lengths_q,
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block_table_tensor=self.runner.input_batch.block_table[0].
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get_device_tensor(),
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slot_mapping=target_slot_mapping,
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positions=target_positions,
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attn_mask=self.runner.attn_mask,
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spec_attn_mask=self.runner.spec_attn_mask,
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attn_state=self.runner.attn_state,
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graph_pad_size=self.runner.graph_pad_size,
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decode_token_per_req=self.runner.decode_token_per_req,
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num_computed_tokens_cpu=None,
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seq_lens=None)
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if not self.torchair_graph_enabled:
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builder = self.runner.attn_groups[0][0].get_metadata_builder()
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attn_metadata_mtp = builder.build(0, common_attn_metadata,
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self.runner.get_model())
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attn_metadata = {}
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for layer_name in self.attn_layer_name:
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attn_metadata[layer_name] = attn_metadata_mtp
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else:
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attn_metadata = self.runner.attn_metadata_builder.build(
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0, common_attn_metadata, self.runner.get_model())
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self.positions[:num_tokens] = target_positions
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self.hidden_states[:num_tokens] = target_hidden_states
|
|
|
|
if not self.torchair_graph_enabled:
|
|
# torch mode need to update num_tokens_across_dp
|
|
# TODO: adapt enable_dbo later
|
|
(num_input_tokens, num_tokens_across_dp, with_prefill,
|
|
_) = self.runner._sync_metadata_across_dp(
|
|
num_input_tokens, self.runner.with_prefill, False)
|
|
else:
|
|
# torchair mode can reuse self.runner.num_tokens_across_dp
|
|
num_tokens_across_dp = self.runner.num_tokens_across_dp
|
|
with_prefill = self.runner.with_prefill
|
|
|
|
moe_comm_type = self.runner._select_moe_comm_method(
|
|
num_input_tokens, with_prefill)
|
|
batch_descriptor = BatchDescriptor(num_tokens=num_input_tokens,
|
|
uniform_decode=False)
|
|
aclgraph_runtime_mode, batch_descriptor = \
|
|
self.runner.aclgraph_dispatcher.dispatch(batch_descriptor)
|
|
|
|
for step in range(self.num_speculative_tokens):
|
|
with set_ascend_forward_context(
|
|
attn_metadata,
|
|
self.vllm_config,
|
|
num_tokens=num_input_tokens,
|
|
with_prefill=with_prefill,
|
|
num_tokens_across_dp=num_tokens_across_dp,
|
|
reserved_mc2_mask=self.runner.reserved_mc2_mask,
|
|
moe_comm_type=moe_comm_type,
|
|
aclgraph_runtime_mode=aclgraph_runtime_mode,
|
|
in_profile_run=self.runner.in_profile_run,
|
|
num_actual_tokens=num_tokens):
|
|
with ProfileExecuteDuration().capture_async('mtp_forward'):
|
|
model_kwargs = {}
|
|
model_kwargs["attn_metadata"] = attn_metadata
|
|
if self.torchair_graph_enabled:
|
|
model_kwargs["kv_caches"] = self.runner.kv_caches[-1:]
|
|
if is_running_torchair:
|
|
torchair_compiled_model = self._get_torchair_lazy_compiled_model(
|
|
num_input_tokens)
|
|
hidden_states = torchair_compiled_model(
|
|
input_ids=self.input_ids[:num_input_tokens],
|
|
positions=self.positions[:num_input_tokens],
|
|
previous_hidden_states=self.
|
|
hidden_states[:num_input_tokens],
|
|
inputs_embeds=None,
|
|
intermediate_tensors=None,
|
|
spec_step_idx=0,
|
|
**model_kwargs)
|
|
else:
|
|
hidden_states = self.model(
|
|
input_ids=self.input_ids[:num_input_tokens],
|
|
positions=self.positions[:num_input_tokens],
|
|
previous_hidden_states=self.
|
|
hidden_states[:num_input_tokens],
|
|
kv_caches=self.runner.kv_caches[-1:])
|
|
|
|
num_indices = last_token_indices.shape[0]
|
|
if lmhead_tp_enable():
|
|
if not self.runner.with_prefill:
|
|
max_num_reqs_across_dp = num_input_tokens
|
|
else:
|
|
max_num_reqs_across_dp = self.vllm_config.scheduler_config.max_num_seqs
|
|
last_token_indices = nn.functional.pad(
|
|
last_token_indices,
|
|
(0, max_num_reqs_across_dp - num_indices))
|
|
|
|
sample_hidden_states = hidden_states[last_token_indices]
|
|
logits = self.model.compute_logits(sample_hidden_states, None)
|
|
if lmhead_tp_enable() and num_indices < logits.shape[0]:
|
|
logits = logits[:num_indices]
|
|
draft_token_ids = logits.argmax(dim=-1)
|
|
|
|
if self.num_speculative_tokens == 1:
|
|
# [batch_size, 1]
|
|
return draft_token_ids.view(-1, 1)
|
|
|
|
if step == 0:
|
|
draft_token_ids_list = [draft_token_ids]
|
|
else:
|
|
draft_token_ids_list.append(draft_token_ids)
|
|
|
|
# prepare next mtp inputs
|
|
# mtp>1: prefill skip or decode skip last loop
|
|
if with_prefill and self.torchair_graph_enabled:
|
|
for _ in range(self.num_speculative_tokens - 1):
|
|
draft_token_ids_list.append(draft_token_ids)
|
|
if step == self.num_speculative_tokens - 1 or with_prefill:
|
|
break
|
|
|
|
if not self.torchair_graph_enabled:
|
|
attn_metadata_i = attn_metadata[self.attn_layer_name[0]]
|
|
else:
|
|
attn_metadata_i = attn_metadata
|
|
|
|
if step == 0:
|
|
positions = target_positions[last_token_indices]
|
|
hidden_states = hidden_states[last_token_indices]
|
|
slot_mapping = attn_metadata_i.slot_mapping[last_token_indices]
|
|
attn_metadata_i.slot_mapping.fill_(-1)
|
|
attn_metadata_i.query_start_loc = self.arange[:batch_size + 1]
|
|
last_token_indices = self.arange[:batch_size]
|
|
if attn_metadata_i.num_decode_tokens != 0:
|
|
attn_metadata_i.num_decode_tokens = batch_size
|
|
if is_running_torchair:
|
|
attn_metadata_i.num_actual_tokens = batch_size
|
|
attn_metadata_i.query_lens = [1] * batch_size
|
|
|
|
input_ids = draft_token_ids_list[-1].int()
|
|
positions += 1
|
|
|
|
if not self.torchair_graph_enabled:
|
|
attn_metadata_i.decode.actual_seq_lengths_q = attn_metadata_i.query_start_loc[
|
|
1:batch_size + 1].tolist()
|
|
attn_metadata_i.decode.cos = builder.cos_cache[
|
|
positions].unsqueeze(1).unsqueeze(2)
|
|
attn_metadata_i.decode.sin = builder.sin_cache[
|
|
positions].unsqueeze(1).unsqueeze(2)
|
|
|
|
# NOTE(woosuk): We should handle the case where the draft model
|
|
# generates tokens beyond the max model length. Since it is complex
|
|
# to remove such requests from the batch, we keep them in the batch
|
|
# but adjust the position ids and slot mappings to avoid the
|
|
# out-of-range access during the model execution. The draft tokens
|
|
# generated with this adjustment should be ignored.
|
|
exceeds_max_model_len = positions >= self.runner.model_config.max_model_len
|
|
# Mask out the position ids that exceed the max model length.
|
|
# Otherwise, we may get out-of-range error in RoPE.
|
|
clamped_positions = torch.where(exceeds_max_model_len, 0,
|
|
positions)
|
|
# Increment the sequence lengths.
|
|
attn_metadata_i.seq_lens[:batch_size] += 1
|
|
# For the requests that exceed the max model length, we set the
|
|
# sequence length to 1 to minimize their overheads in attention.
|
|
exceeds_max_model_len_cpu = exceeds_max_model_len.to(
|
|
attn_metadata_i.seq_lens.device, non_blocking=True)
|
|
attn_metadata_i.seq_lens[:batch_size].masked_fill_(
|
|
exceeds_max_model_len_cpu, 1)
|
|
# Mask out the slot mappings that exceed the max model length.
|
|
# Otherwise, the KV cache will be inadvertently updated with the
|
|
# padding tokens.
|
|
slot_mapping += 1
|
|
slot_mapping.masked_fill_(exceeds_max_model_len, PADDING_SLOT_ID)
|
|
|
|
# copy inputs to buffer for cudagraph
|
|
self.input_ids[:batch_size] = input_ids
|
|
self.positions[:batch_size] = clamped_positions
|
|
self.hidden_states[:hidden_states.shape[0]] = hidden_states
|
|
attn_metadata_i.slot_mapping[:batch_size] = slot_mapping
|
|
|
|
if attn_metadata_i.prefill is not None:
|
|
attn_metadata_i.prefill.seq_lens = attn_metadata_i.seq_lens
|
|
attn_metadata_i.prefill.seq_lens_list = attn_metadata_i.prefill.seq_lens.tolist(
|
|
)
|
|
attn_metadata_i.prefill.context_lens = attn_metadata_i.seq_lens
|
|
attn_metadata_i.prefill.input_positions = self.positions[:
|
|
num_input_tokens]
|
|
attn_metadata_i.prefill.max_seq_lens += 1
|
|
attn_metadata_i.prefill.max_seq_lens = min(
|
|
attn_metadata_i.prefill.max_seq_lens,
|
|
self.runner.model_config.max_model_len)
|
|
if attn_metadata_i.decode is not None:
|
|
attn_metadata_i.decode.seq_lens = attn_metadata_i.seq_lens
|
|
attn_metadata_i.decode.seq_lens_list = attn_metadata_i.decode.seq_lens.tolist(
|
|
)
|
|
attn_metadata_i.decode.input_positions = self.positions[:
|
|
num_input_tokens]
|
|
attn_metadata_i.decode.max_seq_lens += 1
|
|
attn_metadata_i.decode.max_seq_lens = min(
|
|
attn_metadata_i.decode.max_seq_lens,
|
|
self.runner.model_config.max_model_len)
|
|
|
|
# mtp>1: [batch_size, k]
|
|
draft_token_ids = torch.stack(draft_token_ids_list, dim=1)
|
|
return draft_token_ids
|
|
|
|
def _get_torchair_lazy_compiled_model(self, batch_size: int):
|
|
if batch_size < 0 or batch_size > self.runner.torchair_graph_batch_sizes[
|
|
-1]:
|
|
raise ValueError(
|
|
f"Bad graph batch size:{batch_size}! max_graph_batch_sizes:{self.runner.torchair_graph_batch_sizes[-1]}"
|
|
)
|
|
|
|
compiled_model = self.torchair_compiled_models.get(
|
|
batch_size
|
|
) if self.runner.use_cached_npu_graph else self.torchair_compiled_model
|
|
|
|
if compiled_model:
|
|
return compiled_model
|
|
|
|
patch_for_hcom()
|
|
config = torchair.CompilerConfig()
|
|
config.experimental_config.frozen_parameter = True
|
|
config.experimental_config.tiling_schedule_optimize = True
|
|
config.experimental_config.enable_view_optimize = \
|
|
get_ascend_config().torchair_graph_config.enable_view_optimize
|
|
torch.npu.set_compile_mode(jit_compile=False)
|
|
if not self.runner.use_cached_npu_graph:
|
|
npu_backend = torchair.get_npu_backend(compiler_config=config)
|
|
self.torchair_compiled_model = torch.compile(
|
|
self.model,
|
|
dynamic=not self.use_sparse,
|
|
fullgraph=True,
|
|
backend=npu_backend)
|
|
return self.torchair_compiled_model
|
|
else:
|
|
# Generate a new forward proxy code object to prevent the invalidation of
|
|
# compilation cache caused by dynamo retracing
|
|
forward_proxy_name = f"{self.model.__class__.__name__}_forward_with_batch_size_{batch_size}"
|
|
forward_fn = self.model.forward
|
|
code = forward_fn.__code__
|
|
# Mark code object with a new proxy name
|
|
modified_code = code.replace(co_name=forward_proxy_name, )
|
|
|
|
modified_func = types.FunctionType(modified_code,
|
|
forward_fn.__globals__,
|
|
name=forward_proxy_name,
|
|
argdefs=forward_fn.__defaults__)
|
|
|
|
self.model.__dict__[forward_proxy_name] = modified_func.__get__(
|
|
self.model, nn.Module)
|
|
self.torchair_compiled_models[
|
|
batch_size] = torchair.inference.cache_compile(
|
|
self.model.__dict__[forward_proxy_name],
|
|
dynamic=not self.use_sparse,
|
|
fullgraph=True,
|
|
cache_dir=TORCHAIR_CACHE_DIR,
|
|
config=config,
|
|
ge_cache=False)
|
|
return self.torchair_compiled_models[batch_size]
|
|
|
|
# TODO Using torch instead of triton may result in poor performance
|
|
def _prepare_input_kernel(self, out_ptr: torch.Tensor,
|
|
cu_query_lens: torch.Tensor,
|
|
cu_num_tokens: torch.Tensor, block_size: int):
|
|
device = cu_query_lens.device
|
|
dtype = out_ptr.dtype
|
|
|
|
offsets = torch.arange(block_size, device=device, dtype=dtype)
|
|
start_pos = cu_num_tokens[:-1]
|
|
end_pos = cu_num_tokens[1:]
|
|
num_tokens = end_pos - start_pos
|
|
|
|
global_indices = (start_pos.view(-1, 1) + offsets.view(1, -1))
|
|
values = (cu_query_lens[:-1].view(-1, 1) + offsets.view(1, -1))
|
|
|
|
mask = (offsets.view(1, -1) < num_tokens.view(-1, 1))
|
|
|
|
global_indices_flat = global_indices[mask]
|
|
values_flat = values[mask]
|
|
out_ptr[global_indices_flat] = values_flat
|