Signed-off-by: natureofnature <wzliu@connect.hku.hk> Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>
345 lines
12 KiB
Python
345 lines
12 KiB
Python
import copy
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import pprint
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from dataclasses import asdict, dataclass, field
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from typing import Any, TypeAlias, TypedDict
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from vllm.inputs import PromptType
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from vllm.sampling_params import SamplingParams
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from vllm_omni.lora.request import LoRARequest
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try:
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from typing import NotRequired
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except ImportError:
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# Python < 3.11: use typing_extensions
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from typing_extensions import NotRequired
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import torch
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from vllm.inputs import EmbedsPrompt, TextPrompt, TokensInput, TokensPrompt
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class OmniTextPrompt(TextPrompt):
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"""Text prompt with optional embeddings and additional information.
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Extends TextPrompt to support prompt embeddings and additional
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information payloads for direct transfer between pipeline stages.
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Attributes:
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prompt_embeds: Optional tensor containing prompt embeddings
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additional_information: Optional dictionary containing additional
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information (tensors or lists) to pass along with the prompt
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"""
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negative_prompt: NotRequired[str]
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prompt_embeds: NotRequired[torch.Tensor]
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negative_prompt_embeds: NotRequired[torch.Tensor]
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additional_information: NotRequired[dict[str, Any]]
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class OmniTokensPrompt(TokensPrompt):
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"""Tokens prompt with optional embeddings and additional information.
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Extends TokensPrompt to support prompt embeddings and additional
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information payloads for direct transfer between pipeline stages.
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Attributes:
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prompt_embeds: Optional tensor containing prompt embeddings
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additional_information: Optional dictionary containing additional
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information (tensors or lists) to pass along with the prompt
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"""
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negative_prompt: NotRequired[str]
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prompt_embeds: NotRequired[torch.Tensor]
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negative_prompt_embeds: NotRequired[list[torch.Tensor] | None]
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"""The embeddings of the prompt."""
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# New: optional additional information dictionary
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# Values may be torch.Tensor or list
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additional_information: NotRequired[dict[str, Any]]
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class OmniTokenInputs(TokensInput):
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"""Token inputs with optional embeddings and additional information.
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Extends TokensInput to support prompt embeddings and additional
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information payloads for direct transfer between pipeline stages.
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Attributes:
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prompt_embeds: Optional tensor containing prompt embeddings
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aligned with token IDs
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additional_information: Optional dictionary containing additional
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information (tensors or lists) to pass along with the inputs
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"""
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# New: optional prompt embeddings aligned with token ids
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negative_prompt: NotRequired[str]
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prompt_embeds: NotRequired[torch.Tensor]
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negative_prompt_embeds: NotRequired[list[torch.Tensor] | None]
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# New: optional additional information dictionary
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# Values may be torch.Tensor or list
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additional_information: NotRequired[dict[str, Any]]
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class OmniEmbedsPrompt(EmbedsPrompt):
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"""Embeddings prompt with optional additional information.
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Extends EmbedsPrompt to support additional information payloads
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for direct transfer between pipeline stages.
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Attributes:
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prompt_embeds: Optional tensor containing prompt embeddings
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additional_information: Optional dictionary containing additional
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information (tensors or lists) to pass along with the prompt
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"""
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# New: optional prompt embeddings aligned with token ids
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prompt_embeds: NotRequired[torch.Tensor]
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negative_prompt_embeds: NotRequired[list[torch.Tensor] | None]
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# New: optional additional information dictionary
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# Values may be torch.Tensor or list
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additional_information: NotRequired[dict[str, Any]]
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class OmniCustomPrompt(TypedDict, total=False):
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"""Custom prompt type for diffusion pipelines with pre-tokenized inputs.
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Allows users to pass pre-tokenized prompt IDs, attention masks, and extra
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arguments directly, bypassing the tokenization stage in the pipeline.
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Attributes:
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prompt_ids: Pre-tokenized prompt token IDs (single or batched)
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negative_prompt_ids: Pre-tokenized negative prompt token IDs
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prompt_mask: Attention mask tensor for the prompt
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negative_prompt_mask: Attention mask tensor for the negative prompt
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extra_args: Additional pipeline-specific arguments
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"""
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prompt_ids: list[int] | list[list[int]]
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negative_prompt_ids: list[int] | list[list[int]]
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prompt_mask: torch.Tensor
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negative_prompt_mask: torch.Tensor
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extra_args: dict[str, Any]
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# Must ensure that all additional prompt types are inherited from vLLM prompt types
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# Because TypedDict doesn't support isinstance and are dict. Cannot distinguish them in runtime.
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# Inheritance ensure that there are only additional fields but not removing fields--safe to route to LLM.generate()
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OmniSingletonPrompt: TypeAlias = str | list[int] | OmniTextPrompt | OmniTokensPrompt | OmniEmbedsPrompt
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"""Omni singleton prompt type extending vLLM's SingletonPrompt."""
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OmniPromptType: TypeAlias = PromptType | OmniTextPrompt | OmniTokensPrompt | OmniEmbedsPrompt | OmniCustomPrompt
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def token_inputs_omni(
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prompt_token_ids: list[int],
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prompt: str | None = None,
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cache_salt: str | None = None,
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prompt_embeds: torch.Tensor | None = None,
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additional_information: dict[str, Any] | None = None,
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) -> OmniTokenInputs:
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"""Construct token inputs with optional embeddings and metadata.
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Creates an OmniTokenInputs object with token IDs and optional
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embeddings and additional information for pipeline stage transfer.
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Args:
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prompt_token_ids: List of token IDs for the prompt
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prompt: Optional prompt string
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cache_salt: Optional cache salt for prefix caching
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prompt_embeds: Optional tensor containing prompt embeddings
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additional_information: Optional dictionary containing additional
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information (tensors or lists)
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Returns:
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OmniTokenInputs instance with the provided data
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"""
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inputs = OmniTokenInputs(type="token", prompt_token_ids=prompt_token_ids)
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if prompt is not None:
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inputs["prompt"] = prompt
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if cache_salt is not None:
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inputs["cache_salt"] = cache_salt
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if prompt_embeds is not None:
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inputs["prompt_embeds"] = prompt_embeds
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if additional_information is not None:
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inputs["additional_information"] = additional_information
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return inputs
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@dataclass
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class OmniDiffusionSamplingParams:
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"""
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The collection of sampling parameters passed to diffusion pipelines.
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This dataclass contains all information needed during the diffusion pipeline
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execution, allowing methods to update specific components without needing
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to manage numerous individual parameters.
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"""
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# Additional text-related parameters
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max_sequence_length: int | None = None
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prompt_template: dict[str, Any] | None = None
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do_classifier_free_guidance: bool = False
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output_type: str | None = None
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# Batch info
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num_outputs_per_prompt: int = 1
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seed: int | None = None
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generator: torch.Generator | list[torch.Generator] | None = None
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generator_device: str | None = None
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# layered info
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layers: int = 4
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# cfg info
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cfg_normalize: bool = False
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# caption language
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use_en_prompt: bool = False
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# different bucket in (640, 1024) to determine the condition and output resolution
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resolution: int = 640
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# Tracking if embeddings are already processed
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is_prompt_processed: bool = False
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# Latent tensors
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latents: torch.Tensor | None = None
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audio_latents: torch.Tensor | None = None
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raw_latent_shape: torch.Tensor | None = None
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noise_pred: torch.Tensor | None = None
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image_latent: torch.Tensor | None = None
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# Latent dimensions
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height_latents: list[int] | int | None = None
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width_latents: list[int] | int | None = None
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num_frames: int = 1 # Default for image models
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num_frames_round_down: bool = False # Whether to round down num_frames if it's not divisible by num_gpus
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# Original dimensions (before VAE scaling)
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height: int | None = None
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width: int | None = None
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fps: int | None = None # Integer FPS kept for request compatibility and output encoding.
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frame_rate: float | None = None # Floating-point rate used by the diffusion model when it differs from `fps`.
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height_not_provided: bool = False
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width_not_provided: bool = False
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enable_frame_interpolation: bool = False
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frame_interpolation_exp: int = 1
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frame_interpolation_scale: float = 1.0
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frame_interpolation_model_path: str | None = None
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# Timesteps
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timesteps: torch.Tensor | None = None
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timestep: torch.Tensor | float | int | None = None
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step_index: int | None = None
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boundary_ratio: float | None = None
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# Scheduler parameters – ``None`` means "not explicitly set by the caller";
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# each pipeline's ``forward()`` decides its own model-specific default.
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num_inference_steps: int | None = None
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guidance_scale: float = 0.0
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guidance_scale_provided: bool = False
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guidance_scale_2: float | None = None
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guidance_rescale: float = 0.0
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strength: float | None = None # I2I: Z-Image specific now, uses to control denoising start timestep
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decode_timestep: float | list[float] | None = None
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decode_noise_scale: float | list[float] | None = None
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eta: float = 0.0
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sigmas: list[float] | None = None
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true_cfg_scale: float | None = None # qwen-image specific now
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n_tokens: int | None = None
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extra_step_kwargs: dict[str, Any] = field(default_factory=dict)
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# [Omni] KV Cache Transfer, for bagel model now
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past_key_values: Any | None = None # Injected KV Cache
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kv_metadata: dict[str, Any] | None = None # Metadata for KV Cache (e.g., kv_lens, ropes)
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need_kv_receive: bool = True # Flag to indicate if this request expects KV transfer
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# [Omni] Multi-KV for CFG: populated by model-specific cfg_kv_collect_func
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cfg_text_past_key_values: Any | None = None
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cfg_img_past_key_values: Any | None = None
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cfg_text_kv_metadata: dict[str, Any] | None = None
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cfg_img_kv_metadata: dict[str, Any] | None = None
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cfg_kv_request_ids: dict[str, str] | None = None
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cfg_active_branch: str | None = None
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cfg_branch_roles: list[str] | None = None
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cfg_branch_past_key_values: dict[str, Any] | None = None
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cfg_branch_kv_metadata: dict[str, dict[str, Any]] | None = None
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# Component modules
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modules: dict[str, Any] = field(default_factory=dict)
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return_trajectory_latents: bool = False
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return_trajectory_decoded: bool = False
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trajectory_timesteps: list[torch.Tensor] | None = None
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trajectory_latents: torch.Tensor | None = None
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# Extra parameters that might be needed by specific pipeline implementations
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extra_args: dict[str, Any] = field(default_factory=dict)
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# Misc
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save_output: bool = True
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return_frames: bool = False
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# LoRA
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lora_request: LoRARequest | None = None
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lora_scale: float = 1.0
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# STA parameters
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STA_param: list | None = None
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is_cfg_negative: bool = False
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mask_search_final_result_pos: list[list] | None = None
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mask_search_final_result_neg: list[list] | None = None
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# VSA parameters
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VSA_sparsity: float = 0.0
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# perf_logger: PerformanceLogger | None = None
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# stage logging
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# logging_info: PipelineLoggingInfo = field(default_factory=PipelineLoggingInfo)
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# profile
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profile: bool = False
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num_profiled_timesteps: int = 8
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# debugging
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debug: bool = False
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# results
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output: torch.Tensor | None = None
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@property
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def batch_size(self):
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# This class is changed to only represent a single prompt request
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# Only adjust batch size for number of videos per prompt
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return self.num_outputs_per_prompt
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@property
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def resolved_frame_rate(self) -> float | None:
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if self.frame_rate is not None:
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return float(self.frame_rate)
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fps = self.fps
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if isinstance(fps, list):
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fps = fps[0] if fps else None
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if fps is None:
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return None
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return float(fps)
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def __str__(self):
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return pprint.pformat(asdict(self), indent=2, width=120)
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def clone(self) -> "OmniDiffusionSamplingParams":
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return copy.deepcopy(self)
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OmniSamplingParams: TypeAlias = SamplingParams | OmniDiffusionSamplingParams
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