Helios/_DEV/tools/offload_data/get_ode-pairs.py

import os


os.environ["HF_ENABLE_PARALLEL_LOADING"] = "yes"
os.environ["DIFFUSERS_ENABLE_HUB_KERNELS"] = "yes"

import argparse
from pathlib import Path

import torch
import torch.distributed as dist
from accelerate import Accelerator
from helios.modules.helios_kernels import (
    replace_all_norms_with_flash_norms,
    replace_rmsnorm_with_fp32,
    replace_rope_with_flash_rope,
)
from helios.modules.transformer_helios import HeliosTransformer3DModel
from helios.pipelines.pipeline_helios_ode import HeliosPipeline
from helios.scheduler.scheduling_helios import HeliosScheduler
from helios.utils.utils_base import encode_prompt, load_extra_components
from torch.utils.data import DataLoader, Dataset
from tqdm import tqdm

from diffusers.models import AutoencoderKLWan


def setup_distributed_env():
    dist.init_process_group(backend="nccl")
    torch.cuda.set_device(int(os.environ["LOCAL_RANK"]))


def check_file_exists(args):
    basename, idx, line, output_folder = args
    uttid = f"{basename}_{idx:05d}"
    output_path = os.path.join(output_folder, f"{uttid}.pt")
    if os.path.exists(output_path):
        return None, None
    return line.strip(), uttid


def prepare_dataset_on_rank0(txt_file, output_folder, rank):
    while True:
        try:
            if rank == 0:
                basename = Path(txt_file).stem
                output_dir = Path(output_folder)

                existing_files = set()
                if output_dir.exists():
                    existing_files = {f.name for f in output_dir.iterdir() if f.is_file()}

                prompts = []
                uttids = []

                with open(txt_file, "r") as f:
                    for idx, line in enumerate(f):
                        if not line.strip():
                            continue

                        uttid = f"{basename}_{idx:05d}"
                        filename = f"{uttid}.pt"

                        if filename not in existing_files:
                            prompts.append(line.strip())
                            uttids.append(uttid)

                data_to_broadcast = [prompts, uttids]
            else:
                data_to_broadcast = [None, None]

            dist.broadcast_object_list(data_to_broadcast, src=0)
            break
        except Exception:
            continue

    return data_to_broadcast[0], data_to_broadcast[1]


class PromptDataset(Dataset):
    def __init__(self, prompts, uttids):
        self.prompts = prompts
        self.uttids = uttids

    def __len__(self):
        return len(self.prompts)

    def __getitem__(self, idx):
        return {"prompt": self.prompts[idx], "uttid": self.uttids[idx]}


def main():
    args = parse_args()

    # =============== Environment ===============
    batch_size = 1
    dataloader_num_workers = 8
    feature_folders = [
        "example/vidprom_first_1k.txt",
    ]
    output_folders = [
        "example/toy_data/ode_pairs/vidprom_filtered_extended",
    ]

    if args.weight_dtype == "fp32":
        args.weight_dtype = torch.float32
    elif args.weight_dtype == "fp16":
        args.weight_dtype = torch.float16
    else:
        args.weight_dtype = torch.bfloat16

    setup_distributed_env()

    rank = int(os.environ["LOCAL_RANK"])
    device = torch.cuda.current_device()

    accelerator = Accelerator()

    # =============== Prepare Model ===============
    transformer = HeliosTransformer3DModel.from_pretrained(
        args.transformer_path,
        subfolder="transformer",
        torch_dtype=args.weight_dtype,
        use_default_loader=args.use_default_loader,
    )
    transformer = replace_rmsnorm_with_fp32(transformer)
    transformer = replace_all_norms_with_flash_norms(transformer)
    replace_rope_with_flash_rope()
    vae = AutoencoderKLWan.from_pretrained(args.base_model_path, subfolder="vae", torch_dtype=torch.float32)
    if args.is_enable_stage2:
        scheduler = HeliosScheduler(
            shift=args.stage2_timestep_shift,
            stages=args.stage2_num_stages,
            stage_range=args.stage2_stage_range,
            gamma=args.stage2_scheduler_gamma,
        )
        pipe = HeliosPipeline.from_pretrained(
            args.base_model_path,
            transformer=transformer,
            vae=vae,
            scheduler=scheduler,
            torch_dtype=args.weight_dtype,
        )
    else:
        pipe = HeliosPipeline.from_pretrained(
            args.base_model_path, transformer=transformer, vae=vae, torch_dtype=args.weight_dtype
        )
    pipe = pipe.to(device)

    if args.lora_path is not None:
        pipe.load_lora_weights(args.lora_path, adapter_name="default")
        pipe.set_adapters(["default"], adapter_weights=[1.0])

        if args.partial_path is not None:
            if not hasattr(args, "training_config"):
                from argparse import Namespace

                args.training_config = Namespace()
            args.training_config.is_enable_stage1 = True
            args.training_config.restrict_self_attn = True
            args.training_config.is_amplify_history = True
            args.training_config.is_use_gan = True
            load_extra_components(args, transformer, args.partial_path)

    if args.vae_decode_type == "once":
        pipe.vae.enable_tiling()

    transformer.eval()
    transformer.requires_grad_(False)
    vae.eval()
    vae.requires_grad_(False)

    transformer.to(device)
    vae.to(device)
    pipe.to(device)

    for feature_folder, output_folder in zip(feature_folders, output_folders):
        print(f"Process {feature_folder} !")

        os.makedirs(output_folder, exist_ok=True)
        prompts, uttids = prepare_dataset_on_rank0(feature_folder, output_folder, rank)
        dataset = PromptDataset(prompts, uttids)
        dataloader = DataLoader(
            dataset,
            batch_size=batch_size,
            shuffle=False,
            num_workers=dataloader_num_workers,
            prefetch_factor=2 if dataloader_num_workers > 0 else None,
            pin_memory=True,
            drop_last=False,
        )
        dataloader = accelerator.prepare(dataloader)
        print(f"Dataset size: {len(dataset)}, Dataloader batches: {len(dataloader)}")
        print(f"Process index: {accelerator.process_index}, World size: {accelerator.num_processes}")

        if len(dataloader) == 0:
            continue

        # =============== Main Loop ===============
        if rank == 0:
            pbar = tqdm(total=len(dataloader), desc="Processing")

        for i, batch in enumerate(dataloader):
            assert len(batch["uttid"]) == 1
            uttid = batch["uttid"][0]
            prompt_raw = batch["prompt"][0]

            output_path = os.path.join(output_folder, f"{uttid}.pt")
            if os.path.exists(output_path):
                if rank == 0:
                    print(f"Skipping existing file: {output_path}")
                    pbar.update(1)
                continue

            with torch.no_grad():
                prompt_embed, _ = encode_prompt(
                    tokenizer=pipe.tokenizer,
                    text_encoder=pipe.text_encoder,
                    prompt=prompt_raw,
                    device=device,
                )

                all_sections_ode = pipe(
                    prompt=prompt_raw,
                    negative_prompt=args.negative_prompt,
                    height=args.height,
                    width=args.width,
                    num_frames=args.num_frames,  # 73 109 145 181 215
                    num_inference_steps=50,
                    guidance_scale=args.guidance_scale,
                    generator=torch.Generator(device="cuda").manual_seed(args.seed),
                    output_type="latent",
                    vae_decode_type=args.vae_decode_type,
                    # stage 1
                    history_sizes=[16, 2, 1],
                    latent_window_size=args.latent_window_size,
                    is_keep_x0=True,
                    use_dynamic_shifting=args.use_dynamic_shifting,
                    time_shift_type=args.time_shift_type,
                    # stage 2
                    is_enable_stage2=args.is_enable_stage2,
                    stage2_num_stages=args.stage2_num_stages,
                    stage2_num_inference_steps_list=args.stage2_num_inference_steps_list,
                    scheduler_type="unipc",
                    # cfg zero
                    use_cfg_zero_star=args.use_cfg_zero_star,
                    use_zero_init=args.use_zero_init,
                    zero_steps=args.zero_steps,
                )

            # (Pdb) len(all_sections_ode)
            # 264 -> % 8 == 0
            # 231 -> % 7 == 0
            # 198 -> % 6 == 0
            # 165 -> % 5 == 0
            # (Pdb) len(all_sections_ode[0])
            # 3
            # (Pdb) all_sections_ode[0][0].keys()
            # dict_keys(['latents', 'timesteps', 'noise_pred'])
            # (Pdb) all_sections_ode[0][0]["timesteps"].shape
            # torch.Size([20]
            # (Pdb) all_sections_ode[0][0]["latents"].shape
            # torch.Size([20, 1, 16, 9, 12, 20])
            # (Pdb) all_sections_ode[0][0]["noise_pred"].shape
            # torch.Size([20, 1, 16, 9, 12, 20])

            processed_sections_ode = []
            for idx, section in enumerate(all_sections_ode):
                processed_section = []
                for iidx, item in enumerate(section):
                    if idx == 0:
                        if iidx == 0:
                            selected_target_timesteps = [998.5342, 902.2183, 833.9636, 783.0660]
                        elif iidx == 1:
                            selected_target_timesteps = [742.8216, 640.0038, 547.1926, 462.9951]
                        elif iidx == 2:
                            selected_target_timesteps = [385.4137, 328.6249, 253.9905, 151.5308]
                    else:
                        if iidx == 0:
                            selected_target_timesteps = [998.5342, 833.9636]
                        elif iidx == 1:
                            selected_target_timesteps = [742.8216, 547.1926]
                        elif iidx == 2:
                            selected_target_timesteps = [385.4137, 253.9905]

                    indices = []
                    actual_timesteps = item["timesteps"]
                    for target_t in selected_target_timesteps:
                        diffs = torch.abs(actual_timesteps - target_t)
                        closest_idx = torch.argmin(diffs).item()
                        indices.append(closest_idx)
                    latents_indices = indices + [-1]

                    rocessed_item = {
                        "latents": item["latents"][latents_indices],
                        "timesteps": item["timesteps"][indices],
                    }

                    processed_section.append(rocessed_item)
                processed_sections_ode.append(processed_section)
            all_sections_ode = processed_sections_ode

            temp_to_save = {
                "latent_window_size": args.latent_window_size,
                "prompt_raw": prompt_raw,
                "prompt_embed": prompt_embed,
                "ode_latents": all_sections_ode,
            }
            torch.save(temp_to_save, output_path)
            print(f"save latent to: {output_path}")


def parse_args():
    parser = argparse.ArgumentParser(description="Generate video with model")

    # === Model paths ===
    parser.add_argument("--base_model_path", type=str, default="./checkpoints/Helios-Base")
    parser.add_argument(
        "--transformer_path",
        type=str,
        default="./checkpoints/Helios-Mid",
    )
    parser.add_argument(
        "--lora_path",
        type=str,
        default=None,
    )
    parser.add_argument(
        "--partial_path",
        type=str,
        default=None,
    )
    parser.add_argument("--use_default_loader", action="store_true")

    # === Generation parameters ===
    # environment
    parser.add_argument(
        "--sample_type",
        type=str,
        default="t2v",
        choices=["t2v", "i2v", "v2v"],
    )
    parser.add_argument(
        "--weight_dtype",
        type=str,
        default="bf16",
        choices=["bf16", "fp16", "fp32"],
        help="Data type for model weights.",
    )
    parser.add_argument("--seed", type=int, default=42, help="Seed for random number generator.")
    # base
    parser.add_argument("--height", type=int, default=384)
    parser.add_argument("--width", type=int, default=640)
    parser.add_argument("--num_frames", type=int, default=165)
    parser.add_argument("--num_inference_steps", type=int, default=50)
    parser.add_argument("--guidance_scale", type=float, default=5.0)
    parser.add_argument("--use_dynamic_shifting", action="store_true")
    parser.add_argument(
        "--time_shift_type",
        type=str,
        default="linear",
        choices=["exponential", "linear"],
    )
    parser.add_argument("--vae_decode_type", type=str, default="default", choices=["default", "once", "default_fast"])
    # stage 1
    parser.add_argument("--latent_window_size", type=int, default=9)
    # stage 2
    parser.add_argument("--is_enable_stage2", action="store_true")
    parser.add_argument("--stage2_timestep_shift", type=float, default=1.0)
    parser.add_argument("--stage2_scheduler_gamma", type=float, default=1 / 3)
    parser.add_argument("--stage2_stage_range", type=int, nargs="+", default=[0, 1 / 3, 2 / 3, 1])
    parser.add_argument("--stage2_num_stages", type=int, default=3)
    parser.add_argument("--stage2_num_inference_steps_list", type=int, nargs="+", default=[20, 20, 20])
    # cfg zero
    parser.add_argument("--use_cfg_zero_star", action="store_true")
    parser.add_argument("--use_zero_init", action="store_true")
    parser.add_argument("--zero_steps", type=int, default=1)

    # === Prompts ===
    parser.add_argument(
        "--negative_prompt",
        type=str,
        default="Bright tones, overexposed, static, blurred details, subtitles, style, works, paintings, images, static, overall gray, worst quality, low quality, JPEG compression residue, ugly, incomplete, extra fingers, poorly drawn hands, poorly drawn faces, deformed, disfigured, misshapen limbs, fused fingers, still picture, messy background, three legs, many people in the background, walking backwards",
    )
    parser.add_argument(
        "--prompt_txt_path",
        type=str,
        default=None,
    )

    return parser.parse_args()


if __name__ == "__main__":
    # from diffusers import AutoencoderKLWan
    # from diffusers.video_processor import VideoProcessor
    # from diffusers.utils import export_to_video

    # device = "cuda"
    # pretrained_model_name_or_path = "./checkpoints/Helios-Base"
    # vae = AutoencoderKLWan.from_pretrained(
    #     pretrained_model_name_or_path,
    #     subfolder="vae",
    #     torch_dtype=torch.float32,
    # ).to(device)
    # vae.eval()
    # vae.requires_grad_(False)

    # vae_scale_factor_spatial = vae.spatial_compression_ratio
    # video_processor = VideoProcessor(vae_scale_factor=vae_scale_factor_spatial)
    # latents_mean = torch.tensor(vae.config.latents_mean).view(1, vae.config.z_dim, 1, 1, 1)
    # latents_std = 1.0 / torch.tensor(vae.config.latents_std).view(1, vae.config.z_dim, 1, 1, 1)

    # x1 = torch.load("/mnt/hdfs/data/ysh_new/userful_things_wan/ode_pairs/vidprom_filtered_extended/vidprom_filtered_extended_00011.pt", map_location="cpu")
    # vae_latents = x1["ode_latents"][-1][-1]["latents"][-1] / latents_std + latents_mean
    # vae_latents = vae_latents.to(device=device, dtype=vae.dtype)
    # video = vae.decode(vae_latents, return_dict=False)[0]
    # video = video_processor.postprocess_video(video, output_type="pil")
    # export_to_video(video[0], "output_wan.mp4", fps=30)

    main()