Files
hao-ai-lab-FastVideo/fastvideo/fastvideo_args.py
2025-10-16 23:17:54 -07:00

1191 lines
46 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# Inspired by SGLang: https://github.com/sgl-project/sglang/blob/main/python/sglang/srt/server_args.py
"""The arguments of FastVideo Inference."""
import argparse
import dataclasses
import json
from contextlib import contextmanager
from dataclasses import field
from enum import Enum
from typing import Any, TYPE_CHECKING
from fastvideo.configs.configs import PreprocessConfig
from fastvideo.configs.pipelines.base import PipelineConfig, STA_Mode
from fastvideo.configs.utils import clean_cli_args
from fastvideo.logger import init_logger
from fastvideo.utils import FlexibleArgumentParser, StoreBoolean
if TYPE_CHECKING:
from ray.runtime_env import RuntimeEnv
from ray.util.placement_group import PlacementGroup
else:
RuntimeEnv = Any
PlacementGroup = Any
logger = init_logger(__name__)
class ExecutionMode(str, Enum):
"""
Enumeration for different pipeline modes.
Inherits from str to allow string comparison for backward compatibility.
"""
INFERENCE = "inference"
PREPROCESS = "preprocess"
FINETUNING = "finetuning"
DISTILLATION = "distillation"
@classmethod
def from_string(cls, value: str) -> "ExecutionMode":
"""Convert string to ExecutionMode enum."""
try:
return cls(value.lower())
except ValueError:
raise ValueError(
f"Invalid mode: {value}. Must be one of: {', '.join([m.value for m in cls])}"
) from None
@classmethod
def choices(cls) -> list[str]:
"""Get all available choices as strings for argparse."""
return [mode.value for mode in cls]
class WorkloadType(str, Enum):
"""
Enumeration for different workload types.
Inherits from str to allow string comparison for backward compatibility.
"""
I2V = "i2v" # Image to Video
T2V = "t2v" # Text to Video
T2I = "t2i" # Text to Image
I2I = "i2i" # Image to Image
@classmethod
def from_string(cls, value: str) -> "WorkloadType":
"""Convert string to WorkloadType enum."""
try:
return cls(value.lower())
except ValueError:
raise ValueError(
f"Invalid workload type: {value}. Must be one of: {', '.join([m.value for m in cls])}"
) from None
@classmethod
def choices(cls) -> list[str]:
"""Get all available choices as strings for argparse."""
return [workload.value for workload in cls]
# args for fastvideo framework
@dataclasses.dataclass
class FastVideoArgs:
# Model and path configuration (for convenience)
model_path: str
# Running mode
mode: ExecutionMode = ExecutionMode.INFERENCE
# Workload type
workload_type: WorkloadType = WorkloadType.T2V
# Cache strategy
cache_strategy: str = "none"
# Distributed executor backend
distributed_executor_backend: str = "mp"
# a few attributes for ray related
ray_placement_group: PlacementGroup | None = None
ray_runtime_env: RuntimeEnv | None = None
inference_mode: bool = True # if False == training mode
# HuggingFace specific parameters
trust_remote_code: bool = False
revision: str | None = None
# Parallelism
num_gpus: int = 1
tp_size: int = -1
sp_size: int = -1
hsdp_replicate_dim: int = 1
hsdp_shard_dim: int = -1
dist_timeout: int | None = None # timeout for torch.distributed
pipeline_config: PipelineConfig = field(default_factory=PipelineConfig)
preprocess_config: PreprocessConfig | None = None
# LoRA parameters
# (Wenxuan) prefer to keep it here instead of in pipeline config to not make it complicated.
lora_path: str | None = None
lora_nickname: str = "default" # for swapping adapters in the pipeline
# can restrict layers to adapt, e.g. ["q_proj"]
# Will adapt only q, k, v, o by default.
lora_target_modules: list[str] | None = None
output_type: str = "pil"
# CPU offload parameters
dit_cpu_offload: bool = True
use_fsdp_inference: bool = True
text_encoder_cpu_offload: bool = True
image_encoder_cpu_offload: bool = True
vae_cpu_offload: bool = True
pin_cpu_memory: bool = True
# STA (Sliding Tile Attention) parameters
mask_strategy_file_path: str | None = None
STA_mode: STA_Mode = STA_Mode.STA_INFERENCE
skip_time_steps: int = 15
# Compilation
enable_torch_compile: bool = False
torch_compile_kwargs: dict[str, Any] = field(default_factory=dict)
disable_autocast: bool = False
# VSA parameters
VSA_sparsity: float = 0.0 # inference/validation sparsity
# V-MoBA parameters
moba_config_path: str | None = None
moba_config: dict[str, Any] = field(default_factory=dict)
# Master port for distributed training/inference
master_port: int | None = None
# Stage verification
enable_stage_verification: bool = True
# Prompt text file for batch processing
prompt_txt: str | None = None
# model paths for correct deallocation
model_paths: dict[str, str] = field(default_factory=dict)
model_loaded: dict[str, bool] = field(default_factory=lambda: {
"transformer": True,
"vae": True,
})
override_transformer_cls_name: str | None = None
init_weights_from_safetensors: str = "" # path to safetensors file for initial weight loading
init_weights_from_safetensors_2: str = "" # path to safetensors file for initial weight loading for transformer_2
# # DMD parameters
# dmd_denoising_steps: List[int] | None = field(default=None)
# MoE parameters used by Wan2.2
boundary_ratio: float | None = 0.875
@property
def training_mode(self) -> bool:
return not self.inference_mode
def __post_init__(self):
if self.moba_config_path:
try:
with open(self.moba_config_path) as f:
self.moba_config = json.load(f)
logger.info("Loaded V-MoBA config from %s",
self.moba_config_path)
except (FileNotFoundError, json.JSONDecodeError) as e:
logger.error("Failed to load V-MoBA config from %s: %s",
self.moba_config_path, e)
raise
self.check_fastvideo_args()
@staticmethod
def add_cli_args(parser: FlexibleArgumentParser) -> FlexibleArgumentParser:
# Model and path configuration
parser.add_argument(
"--model-path",
type=str,
help=
"The path of the model weights. This can be a local folder or a Hugging Face repo ID.",
)
parser.add_argument(
"--model-dir",
type=str,
help="Directory containing StepVideo model",
)
# Running mode
parser.add_argument(
"--mode",
type=str,
choices=ExecutionMode.choices(),
default=FastVideoArgs.mode.value,
help="The mode to run FastVideo",
)
# Workload type
parser.add_argument(
"--workload-type",
type=str,
choices=WorkloadType.choices(),
default=FastVideoArgs.workload_type.value,
help="The workload type",
)
# distributed_executor_backend
parser.add_argument(
"--distributed-executor-backend",
type=str,
choices=["mp"],
default=FastVideoArgs.distributed_executor_backend,
help="The distributed executor backend to use",
)
parser.add_argument(
"--inference-mode",
action=StoreBoolean,
default=FastVideoArgs.inference_mode,
help="Whether to use inference mode",
)
# HuggingFace specific parameters
parser.add_argument(
"--trust-remote-code",
action=StoreBoolean,
default=FastVideoArgs.trust_remote_code,
help="Trust remote code when loading HuggingFace models",
)
parser.add_argument(
"--revision",
type=str,
default=FastVideoArgs.revision,
help=
"The specific model version to use (can be a branch name, tag name, or commit id)",
)
# Parallelism
parser.add_argument(
"--num-gpus",
type=int,
default=FastVideoArgs.num_gpus,
help="The number of GPUs to use.",
)
parser.add_argument(
"--tp-size",
type=int,
default=FastVideoArgs.tp_size,
help="The tensor parallelism size.",
)
parser.add_argument(
"--sp-size",
type=int,
default=FastVideoArgs.sp_size,
help="The sequence parallelism size.",
)
parser.add_argument(
"--hsdp-replicate-dim",
type=int,
default=FastVideoArgs.hsdp_replicate_dim,
help="The data parallelism size.",
)
parser.add_argument(
"--hsdp-shard-dim",
type=int,
default=FastVideoArgs.hsdp_shard_dim,
help="The data parallelism shards.",
)
parser.add_argument(
"--dist-timeout",
type=int,
default=FastVideoArgs.dist_timeout,
help="Set timeout for torch.distributed initialization.",
)
# Output type
parser.add_argument(
"--output-type",
type=str,
default=FastVideoArgs.output_type,
choices=["pil"],
help="Output type for the generated video",
)
# Prompt text file for batch processing
parser.add_argument(
"--prompt-txt",
type=str,
default=FastVideoArgs.prompt_txt,
help=
"Path to a text file containing prompts (one per line) for batch processing",
)
# STA (Sliding Tile Attention) parameters
parser.add_argument(
"--STA-mode",
type=str,
default=FastVideoArgs.STA_mode.value,
choices=[mode.value for mode in STA_Mode],
help=
"STA mode contains STA_inference, STA_searching, STA_tuning, STA_tuning_cfg, None",
)
parser.add_argument(
"--skip-time-steps",
type=int,
default=FastVideoArgs.skip_time_steps,
help="Number of time steps to warmup (full attention) for STA",
)
parser.add_argument(
"--mask-strategy-file-path",
type=str,
help="Path to mask strategy JSON file for STA",
)
parser.add_argument(
"--enable-torch-compile",
action=StoreBoolean,
default=FastVideoArgs.enable_torch_compile,
help="Use torch.compile to speed up DiT inference." +
"However, will likely cause precision drifts. See (https://github.com/pytorch/pytorch/issues/145213)",
)
parser.add_argument(
"--torch-compile-kwargs",
type=str,
default=None,
help=
"JSON string of kwargs to pass to torch.compile. Example: '{\"backend\":\"inductor\",\"mode\":\"reduce-overhead\"}'",
)
parser.add_argument(
"--dit-cpu-offload",
action=StoreBoolean,
help=
"Use CPU offload for DiT inference. Enable if run out of memory with FSDP.",
)
parser.add_argument(
"--use-fsdp-inference",
action=StoreBoolean,
help=
"Use FSDP for inference by sharding the model weights. Latency is very low due to prefetch--enable if run out of memory.",
)
parser.add_argument(
"--text-encoder-cpu-offload",
action=StoreBoolean,
help=
"Use CPU offload for text encoder. Enable if run out of memory.",
)
parser.add_argument(
"--image-encoder-cpu-offload",
action=StoreBoolean,
help=
"Use CPU offload for image encoder. Enable if run out of memory.",
)
parser.add_argument(
"--vae-cpu-offload",
action=StoreBoolean,
help="Use CPU offload for VAE. Enable if run out of memory.",
)
parser.add_argument(
"--pin-cpu-memory",
action=StoreBoolean,
help=
"Pin memory for CPU offload. Only added as a temp workaround if it throws \"CUDA error: invalid argument\". "
"Should be enabled in almost all cases",
)
parser.add_argument(
"--disable-autocast",
action=StoreBoolean,
help=
"Disable autocast for denoising loop and vae decoding in pipeline sampling",
)
# VSA parameters
parser.add_argument(
"--VSA-sparsity",
type=float,
default=FastVideoArgs.VSA_sparsity,
help="Validation sparsity for VSA",
)
# Master port for distributed training/inference
parser.add_argument(
"--master-port",
type=int,
default=FastVideoArgs.master_port,
help="Master port for distributed training/inference",
)
# Stage verification
parser.add_argument(
"--enable-stage-verification",
action=StoreBoolean,
default=FastVideoArgs.enable_stage_verification,
help="Enable input/output verification for pipeline stages",
)
parser.add_argument(
"--override-transformer-cls-name",
type=str,
default=FastVideoArgs.override_transformer_cls_name,
help="Override transformer cls name",
)
parser.add_argument(
"--init-weights-from-safetensors",
type=str,
help="Path to safetensors file for initial weight loading")
parser.add_argument(
"--init-weights-from-safetensors-2",
type=str,
help="Path to safetensors file for initial weight loading")
# Add pipeline configuration arguments
PipelineConfig.add_cli_args(parser)
# Add preprocessing configuration arguments
PreprocessConfig.add_cli_args(parser)
return parser
@classmethod
def from_cli_args(cls, args: argparse.Namespace) -> "FastVideoArgs":
provided_args = clean_cli_args(args)
# Get all fields from the dataclass
attrs = [attr.name for attr in dataclasses.fields(cls)]
# Create a dictionary of attribute values, with defaults for missing attributes
kwargs: dict[str, Any] = {}
for attr in attrs:
if attr == 'pipeline_config':
pipeline_config = PipelineConfig.from_kwargs(provided_args)
kwargs['pipeline_config'] = pipeline_config
elif attr == 'preprocess_config':
preprocess_config = PreprocessConfig.from_kwargs(provided_args)
kwargs['preprocess_config'] = preprocess_config
elif attr == 'mode':
# Convert string to ExecutionMode enum
mode_value = getattr(args, attr, FastVideoArgs.mode.value)
kwargs['mode'] = ExecutionMode.from_string(
mode_value) if isinstance(mode_value, str) else mode_value
elif attr == 'torch_compile_kwargs':
# Parse JSON string for torch.compile kwargs
torch_compile_kwargs_str = getattr(args, 'torch_compile_kwargs',
None)
if torch_compile_kwargs_str:
try:
import json
kwargs['torch_compile_kwargs'] = json.loads(
torch_compile_kwargs_str)
except json.JSONDecodeError as e:
raise ValueError(
f"Invalid JSON for torch_compile_kwargs: {e}"
) from e
else:
kwargs['torch_compile_kwargs'] = {}
elif attr == 'workload_type':
# Convert string to WorkloadType enum
workload_type_value = getattr(args, 'workload_type',
FastVideoArgs.workload_type.value)
kwargs['workload_type'] = WorkloadType.from_string(
workload_type_value) if isinstance(
workload_type_value, str) else workload_type_value
# Use getattr with default value from the dataclass for potentially missing attributes
else:
# Get the field to check if it has a default_factory
field = dataclasses.fields(cls)[next(
i for i, f in enumerate(dataclasses.fields(cls))
if f.name == attr)]
if field.default_factory is not dataclasses.MISSING:
# Use the default_factory to create the default value
default_value = field.default_factory()
else:
default_value = getattr(cls, attr, None)
value = getattr(args, attr, default_value)
kwargs[attr] = value # type: ignore
return cls(**kwargs) # type: ignore
@classmethod
def from_kwargs(cls, **kwargs: Any) -> "FastVideoArgs":
# Convert mode string to enum if necessary
if 'mode' in kwargs and isinstance(kwargs['mode'], str):
kwargs['mode'] = ExecutionMode.from_string(kwargs['mode'])
# Convert workload_type string to enum if necessary
if 'workload_type' in kwargs and isinstance(kwargs['workload_type'],
str):
kwargs['workload_type'] = WorkloadType.from_string(
kwargs['workload_type'])
kwargs['pipeline_config'] = PipelineConfig.from_kwargs(kwargs)
kwargs['preprocess_config'] = PreprocessConfig.from_kwargs(kwargs)
return cls(**kwargs)
def check_fastvideo_args(self) -> None:
"""Validate inference arguments for consistency"""
from fastvideo.platforms import current_platform
if current_platform.is_mps():
self.use_fsdp_inference = False
# Validate mode and inference_mode consistency
assert isinstance(
self.mode, ExecutionMode
), f"Mode must be an ExecutionMode enum, got {type(self.mode)}"
assert self.mode in ExecutionMode.choices(
), f"Invalid execution mode: {self.mode}"
# Validate workload type
assert isinstance(
self.workload_type, WorkloadType
), f"Workload type must be a WorkloadType enum, got {type(self.workload_type)}"
assert self.workload_type in WorkloadType.choices(
), f"Invalid workload type: {self.workload_type}"
if self.mode in [ExecutionMode.DISTILLATION, ExecutionMode.FINETUNING
] and self.inference_mode:
logger.warning(
"Mode is 'training' but inference_mode is True. Setting inference_mode to False."
)
self.inference_mode = False
elif self.mode in [ExecutionMode.INFERENCE, ExecutionMode.PREPROCESS
] and not self.inference_mode:
logger.warning(
"Mode is '%s' but inference_mode is False. Setting inference_mode to True.",
self.mode)
self.inference_mode = True
if not self.inference_mode:
assert self.hsdp_replicate_dim != -1, "hsdp_replicate_dim must be set for training"
assert self.hsdp_shard_dim != -1, "hsdp_shard_dim must be set for training"
assert self.sp_size != -1, "sp_size must be set for training"
if self.tp_size == -1:
self.tp_size = 1
if self.sp_size == -1:
self.sp_size = self.num_gpus
if self.hsdp_shard_dim == -1:
self.hsdp_shard_dim = self.num_gpus
assert self.sp_size <= self.num_gpus and self.num_gpus % self.sp_size == 0, "num_gpus must >= and be divisible by sp_size"
assert self.hsdp_replicate_dim <= self.num_gpus and self.num_gpus % self.hsdp_replicate_dim == 0, "num_gpus must >= and be divisible by hsdp_replicate_dim"
assert self.hsdp_shard_dim <= self.num_gpus and self.num_gpus % self.hsdp_shard_dim == 0, "num_gpus must >= and be divisible by hsdp_shard_dim"
if self.num_gpus < max(self.tp_size, self.sp_size):
self.num_gpus = max(self.tp_size, self.sp_size)
if self.pipeline_config is None:
raise ValueError("pipeline_config is not set in FastVideoArgs")
self.pipeline_config.check_pipeline_config()
# Add preprocessing config validation if needed
if self.mode == ExecutionMode.PREPROCESS:
if self.preprocess_config is None:
raise ValueError(
"preprocess_config is not set in FastVideoArgs when mode is PREPROCESS"
)
if self.preprocess_config.model_path == "":
self.preprocess_config.model_path = self.model_path
if not self.pipeline_config.vae_config.load_encoder:
self.pipeline_config.vae_config.load_encoder = True
self.preprocess_config.check_preprocess_config()
_current_fastvideo_args = None
def prepare_fastvideo_args(argv: list[str]) -> FastVideoArgs:
"""
Prepare the inference arguments from the command line arguments.
Args:
argv: The command line arguments. Typically, it should be `sys.argv[1:]`
to ensure compatibility with `parse_args` when no arguments are passed.
Returns:
The inference arguments.
"""
parser = FlexibleArgumentParser()
FastVideoArgs.add_cli_args(parser)
raw_args = parser.parse_args(argv)
fastvideo_args = FastVideoArgs.from_cli_args(raw_args)
global _current_fastvideo_args
_current_fastvideo_args = fastvideo_args
return fastvideo_args
@contextmanager
def set_current_fastvideo_args(fastvideo_args: FastVideoArgs):
"""
Temporarily set the current fastvideo config.
Used during model initialization.
We save the current fastvideo config in a global variable,
so that all modules can access it, e.g. custom ops
can access the fastvideo config to determine how to dispatch.
"""
global _current_fastvideo_args
old_fastvideo_args = _current_fastvideo_args
try:
_current_fastvideo_args = fastvideo_args
yield
finally:
_current_fastvideo_args = old_fastvideo_args
def get_current_fastvideo_args() -> FastVideoArgs:
if _current_fastvideo_args is None:
# in ci, usually when we test custom ops/modules directly,
# we don't set the fastvideo config. In that case, we set a default
# config.
# TODO(will): may need to handle this for CI.
raise ValueError("Current fastvideo args is not set.")
return _current_fastvideo_args
@dataclasses.dataclass
class TrainingArgs(FastVideoArgs):
"""
Training arguments. Inherits from FastVideoArgs and adds training-specific
arguments. If there are any conflicts, the training arguments will take
precedence.
"""
data_path: str = ""
dataloader_num_workers: int = 0
num_height: int = 0
num_width: int = 0
num_frames: int = 0
train_batch_size: int = 0
num_latent_t: int = 0
group_frame: bool = False
group_resolution: bool = False
# text encoder & vae & diffusion model
pretrained_model_name_or_path: str = ""
# DMD model paths - separate paths for each network
real_score_model_path: str = "" # path for real score (teacher) model
fake_score_model_path: str = "" # path for fake score (critic) model
# diffusion setting
ema_decay: float = 0.0
ema_start_step: int = 0
training_cfg_rate: float = 0.0
precondition_outputs: bool = False
# validation & logs
validation_dataset_file: str = ""
validation_preprocessed_path: str = ""
validation_sampling_steps: str = ""
validation_guidance_scale: str = ""
validation_steps: float = 0.0
log_validation: bool = False
trackers: list[str] = dataclasses.field(default_factory=list)
tracker_project_name: str = ""
wandb_run_name: str = ""
seed: int | None = None
# output
output_dir: str = ""
checkpoints_total_limit: int = 0
resume_from_checkpoint: str = "" # specify the checkpoint folder to resume from
# optimizer & scheduler
num_train_epochs: int = 0
max_train_steps: int = 0
gradient_accumulation_steps: int = 0
learning_rate: float = 0.0
scale_lr: bool = False
lr_scheduler: str = "constant"
lr_warmup_steps: int = 0
max_grad_norm: float = 0.0
enable_gradient_checkpointing_type: str | None = None
selective_checkpointing: float = 0.0
mixed_precision: str = ""
train_sp_batch_size: int = 0
fsdp_sharding_startegy: str = ""
weighting_scheme: str = ""
logit_mean: float = 0.0
logit_std: float = 1.0
mode_scale: float = 0.0
num_euler_timesteps: int = 0
lr_num_cycles: int = 0
lr_power: float = 0.0
min_lr_ratio: float = 0.5 # minimum learning rate ratio for cosine_with_min_lr scheduler
not_apply_cfg_solver: bool = False
distill_cfg: float = 0.0
scheduler_type: str = ""
linear_quadratic_threshold: float = 0.0
linear_range: float = 0.0
weight_decay: float = 0.0
betas: str = "0.9,0.999" # betas for optimizer, format: "beta1,beta2"
use_ema: bool = False
multi_phased_distill_schedule: str = ""
pred_decay_weight: float = 0.0
pred_decay_type: str = ""
hunyuan_teacher_disable_cfg: bool = False
# master_weight_type
master_weight_type: str = ""
# VSA training decay parameters
VSA_decay_rate: float = 0.01 # decay rate -> 0.02
VSA_decay_interval_steps: int = 1 # decay interval steps -> 50
# LoRA training parameters
lora_rank: int | None = None
lora_alpha: int | None = None
lora_training: bool = False
# distillation args
generator_update_interval: int = 5
dfake_gen_update_ratio: int = 5 # self-forcing: how often to train generator vs critic
min_timestep_ratio: float = 0.2
max_timestep_ratio: float = 0.98
real_score_guidance_scale: float = 3.5
fake_score_learning_rate: float = 0.0 # separate learning rate for fake_score_transformer, if 0.0, use learning_rate
fake_score_lr_scheduler: str = "constant" # separate lr scheduler for fake_score_transformer, if not set, use lr_scheduler
fake_score_betas: str = "0.9,0.999" # betas for fake score optimizer, format: "beta1,beta2"
training_state_checkpointing_steps: int = 0 # for resuming training
weight_only_checkpointing_steps: int = 0 # for inference
log_visualization: bool = False
# simulate generator forward to match inference
simulate_generator_forward: bool = False
warp_denoising_step: bool = False
# Self-forcing specific arguments
num_frame_per_block: int = 3
independent_first_frame: bool = False
enable_gradient_masking: bool = True
gradient_mask_last_n_frames: int = 21
same_step_across_blocks: bool = False # Use same exit timestep for all blocks
last_step_only: bool = False # Only use the last timestep for training
context_noise: int = 0 # Context noise level for cache updates
@classmethod
def from_cli_args(cls, args: argparse.Namespace) -> "TrainingArgs":
provided_args = clean_cli_args(args)
# Get all fields from the dataclass
attrs = [attr.name for attr in dataclasses.fields(cls)]
logger.info(provided_args)
# Create a dictionary of attribute values, with defaults for missing attributes
kwargs: dict[str, Any] = {}
for attr in attrs:
if attr == 'pipeline_config':
pipeline_config = PipelineConfig.from_kwargs(provided_args)
kwargs[attr] = pipeline_config
elif attr == 'mode':
# Convert string to ExecutionMode enum
mode_value = getattr(args, attr, ExecutionMode.FINETUNING.value)
kwargs[attr] = ExecutionMode.from_string(
mode_value) if isinstance(mode_value, str) else mode_value
elif attr == 'workload_type':
# Convert string to WorkloadType enum
workload_type_value = getattr(args, 'workload_type',
WorkloadType.T2V.value)
kwargs[attr] = WorkloadType.from_string(
workload_type_value) if isinstance(
workload_type_value, str) else workload_type_value
# Use getattr with default value from the dataclass for potentially missing attributes
else:
# Get the field to check its default value
field = dataclasses.fields(cls)[next(
i for i, f in enumerate(dataclasses.fields(cls))
if f.name == attr)]
# Check if the attribute is provided in args
if hasattr(args, attr):
value = getattr(args, attr)
else:
# Use the field's default value
if field.default_factory is not dataclasses.MISSING:
value = field.default_factory()
elif field.default is not dataclasses.MISSING:
value = field.default
else:
# No default value, use None
value = None
kwargs[attr] = value
return cls(**kwargs) # type: ignore
@staticmethod
def add_cli_args(parser: FlexibleArgumentParser) -> FlexibleArgumentParser:
parser.add_argument("--data-path",
type=str,
required=True,
help="Path to parquet files")
parser.add_argument("--dataloader-num-workers",
type=int,
required=True,
help="Number of workers for dataloader")
parser.add_argument("--num-height",
type=int,
required=True,
help="Number of heights")
parser.add_argument("--num-width",
type=int,
required=True,
help="Number of widths")
parser.add_argument("--num-frames",
type=int,
required=True,
help="Number of frames")
# Training batch and model configuration
parser.add_argument("--train-batch-size",
type=int,
required=True,
help="Training batch size")
parser.add_argument("--num-latent-t",
type=int,
required=True,
help="Number of latent time steps")
parser.add_argument("--group-frame",
action=StoreBoolean,
help="Whether to group frames during training")
parser.add_argument("--group-resolution",
action=StoreBoolean,
help="Whether to group resolutions during training")
# Model paths
parser.add_argument("--pretrained-model-name-or-path",
type=str,
required=True,
help="Path to pretrained model or model name")
parser.add_argument("--dit-model-name-or-path",
type=str,
required=False,
help="Path to DiT model or model name")
parser.add_argument("--cache-dir",
type=str,
help="Directory to cache models")
# DMD model paths - separate paths for each network
parser.add_argument(
"--generator-model-path",
type=str,
help="Path to generator (student) model for DMD distillation")
parser.add_argument(
"--real-score-model-path",
type=str,
help="Path to real score (teacher) model for DMD distillation")
parser.add_argument(
"--fake-score-model-path",
type=str,
help="Path to fake score (critic) model for DMD distillation")
# Diffusion settings
parser.add_argument("--ema-decay",
type=float,
default=0.999,
help="EMA decay rate")
parser.add_argument("--ema-start-step",
type=int,
default=0,
help="Step to start EMA")
parser.add_argument("--training-cfg-rate",
type=float,
help="Classifier-free guidance scale")
parser.add_argument(
"--precondition-outputs",
action=StoreBoolean,
help="Whether to precondition the outputs of the model")
# Validation and logging
parser.add_argument("--validation-dataset-file",
type=str,
help="Path to unprocessed validation dataset")
parser.add_argument("--validation-preprocessed-path",
type=str,
help="Path to processed validation dataset")
parser.add_argument("--validation-sampling-steps",
type=str,
help="Validation sampling steps")
parser.add_argument("--validation-guidance-scale",
type=str,
help="Validation guidance scale")
parser.add_argument("--validation-steps",
type=float,
help="Number of validation steps")
parser.add_argument("--log-validation",
action=StoreBoolean,
help="Whether to log validation results")
parser.add_argument("--tracker-project-name",
type=str,
help="Project name for tracking")
parser.add_argument("--wandb-run-name",
type=str,
help="Run name for wandb")
parser.add_argument("--seed",
type=int,
default=42,
help="Seed for deterministic training")
# Output configuration
parser.add_argument("--output-dir",
type=str,
required=True,
help="Output directory for checkpoints and logs")
parser.add_argument("--checkpoints-total-limit",
type=int,
help="Maximum number of checkpoints to keep")
parser.add_argument(
"--training-state-checkpointing-steps",
type=int,
help=
"Steps between training state checkpoints (for resuming training)")
parser.add_argument(
"--weight-only-checkpointing-steps",
type=int,
help="Steps between weight-only checkpoints (for inference)")
parser.add_argument("--resume-from-checkpoint",
type=str,
help="Path to checkpoint to resume from")
parser.add_argument("--logging-dir",
type=str,
help="Directory for logging")
# Training configuration
parser.add_argument("--num-train-epochs",
type=int,
help="Number of training epochs")
parser.add_argument("--max-train-steps",
type=int,
help="Maximum number of training steps")
parser.add_argument("--gradient-accumulation-steps",
type=int,
help="Number of steps to accumulate gradients")
parser.add_argument("--learning-rate",
type=float,
required=True,
help="Learning rate")
parser.add_argument("--scale-lr",
action=StoreBoolean,
help="Whether to scale learning rate")
parser.add_argument("--lr-scheduler",
type=str,
default="constant",
help="Learning rate scheduler type")
parser.add_argument("--lr-warmup-steps",
type=int,
default=10,
help="Number of warmup steps for learning rate")
parser.add_argument("--max-grad-norm",
type=float,
help="Maximum gradient norm")
parser.add_argument("--enable-gradient-checkpointing-type",
type=str,
choices=["full", "ops", "block_skip"],
default=None,
help="Gradient checkpointing type")
parser.add_argument("--selective-checkpointing",
type=float,
help="Selective checkpointing threshold")
parser.add_argument("--mixed-precision",
type=str,
help="Mixed precision training type")
parser.add_argument("--train-sp-batch-size",
type=int,
help="Training spatial parallelism batch size")
parser.add_argument("--fsdp-sharding-strategy",
type=str,
help="FSDP sharding strategy")
parser.add_argument(
"--weighting_scheme",
type=str,
default="uniform",
choices=["sigma_sqrt", "logit_normal", "mode", "cosmap", "uniform"],
)
parser.add_argument(
"--logit_mean",
type=float,
default=0.0,
help="mean to use when using the `'logit_normal'` weighting scheme.",
)
parser.add_argument(
"--logit_std",
type=float,
default=1.0,
help="std to use when using the `'logit_normal'` weighting scheme.",
)
parser.add_argument(
"--mode_scale",
type=float,
default=1.29,
help=
"Scale of mode weighting scheme. Only effective when using the `'mode'` as the `weighting_scheme`.",
)
# Additional training parameters
parser.add_argument("--num-euler-timesteps",
type=int,
help="Number of Euler timesteps")
parser.add_argument("--lr-num-cycles",
type=int,
help="Number of learning rate cycles")
parser.add_argument("--lr-power",
type=float,
help="Learning rate power")
parser.add_argument(
"--min-lr-ratio",
type=float,
default=TrainingArgs.min_lr_ratio,
help="Minimum learning rate ratio for cosine_with_min_lr scheduler")
parser.add_argument("--not-apply-cfg-solver",
action=StoreBoolean,
help="Whether to not apply CFG solver")
parser.add_argument("--distill-cfg",
type=float,
help="Distillation CFG scale")
parser.add_argument("--scheduler-type", type=str, help="Scheduler type")
parser.add_argument("--linear-quadratic-threshold",
type=float,
help="Linear quadratic threshold")
parser.add_argument("--linear-range", type=float, help="Linear range")
parser.add_argument("--weight-decay", type=float, help="Weight decay")
parser.add_argument("--betas",
type=str,
default=TrainingArgs.betas,
help="Betas for optimizer (format: 'beta1,beta2')")
parser.add_argument("--use-ema",
action=StoreBoolean,
help="Whether to use EMA")
parser.add_argument("--multi-phased-distill-schedule",
type=str,
help="Multi-phased distillation schedule")
parser.add_argument("--pred-decay-weight",
type=float,
help="Prediction decay weight")
parser.add_argument("--pred-decay-type",
type=str,
help="Prediction decay type")
parser.add_argument("--hunyuan-teacher-disable-cfg",
action=StoreBoolean,
help="Whether to disable CFG for Hunyuan teacher")
parser.add_argument("--master-weight-type",
type=str,
help="Master weight type")
# VSA parameters for training with dense to sparse adaption
parser.add_argument(
"--VSA-decay-rate", # decay rate, how much sparsity you want to decay each step
type=float,
default=TrainingArgs.VSA_decay_rate,
help="VSA decay rate")
parser.add_argument(
"--VSA-decay-interval-steps", # how many steps for training with current sparsity
type=int,
default=TrainingArgs.VSA_decay_interval_steps,
help="VSA decay interval steps")
parser.add_argument("--lora-training",
action=StoreBoolean,
help="Whether to use LoRA training")
parser.add_argument("--lora-rank", type=int, help="LoRA rank")
parser.add_argument("--lora-alpha", type=int, help="LoRA alpha")
# V-MoBA parameters
parser.add_argument(
"--moba-config-path",
type=str,
default=None,
help=
"Path to a JSON file containing V-MoBA specific configurations.",
)
# Distillation arguments
parser.add_argument("--generator-update-interval",
type=int,
default=TrainingArgs.generator_update_interval,
help="Ratio of student updates to critic updates.")
parser.add_argument(
"--dfake-gen-update-ratio",
type=int,
default=TrainingArgs.dfake_gen_update_ratio,
help=
"Self-forcing: How often to train generator vs critic (train generator every N steps)."
)
parser.add_argument("--min-timestep-ratio",
type=float,
default=TrainingArgs.min_timestep_ratio,
help="Minimum step ratio")
parser.add_argument("--max-timestep-ratio",
type=float,
default=TrainingArgs.max_timestep_ratio,
help="Maximum step ratio")
parser.add_argument("--real-score-guidance-scale",
type=float,
default=TrainingArgs.real_score_guidance_scale,
help="Teacher guidance scale")
parser.add_argument("--fake-score-learning-rate",
type=float,
default=TrainingArgs.fake_score_learning_rate,
help="Learning rate for fake score transformer")
parser.add_argument(
"--fake-score-betas",
type=str,
default=TrainingArgs.fake_score_betas,
help="Betas for fake score optimizer (format: 'beta1,beta2')")
parser.add_argument(
"--fake-score-lr-scheduler",
type=str,
default=TrainingArgs.fake_score_lr_scheduler,
help="Learning rate scheduler for fake score transformer")
parser.add_argument("--log-visualization",
action=StoreBoolean,
help="Whether to log visualization")
parser.add_argument(
"--simulate-generator-forward",
action=StoreBoolean,
help="Whether to simulate generator forward to match inference")
parser.add_argument(
"--warp-denoising-step",
action=StoreBoolean,
help=
"Whether to warp denoising step according to the scheduler time shift"
)
# Self-forcing specific arguments
parser.add_argument(
"--num-frame-per-block",
type=int,
default=TrainingArgs.num_frame_per_block,
help="Number of frames per block for causal generation")
parser.add_argument(
"--independent-first-frame",
action=StoreBoolean,
help="Whether the first frame is independent in causal generation")
parser.add_argument(
"--enable-gradient-masking",
action=StoreBoolean,
help="Whether to enable frame-level gradient masking")
parser.add_argument(
"--gradient-mask-last-n-frames",
type=int,
default=TrainingArgs.gradient_mask_last_n_frames,
help="Number of last frames to enable gradients for")
parser.add_argument(
"--validate-cache-structure",
action=StoreBoolean,
help="Whether to validate KV cache structure (debug flag)")
parser.add_argument(
"--same-step-across-blocks",
action=StoreBoolean,
help="Whether to use the same exit timestep for all blocks")
parser.add_argument(
"--last-step-only",
action=StoreBoolean,
help="Whether to only use the last timestep for training")
parser.add_argument("--context-noise",
type=int,
default=TrainingArgs.context_noise,
help="Context noise level for cache updates")
return parser
def parse_int_list(value: str) -> list[int]:
if not value:
return []
return [int(x.strip()) for x in value.split(",")]