Files
hao-ai-lab-FastVideo/v2/models/tiled/program.py
T
SolitaryThinker 4e331eb7ff [refactor] v2: use absolute imports (v2.*) everywhere instead of relative
Mechanical conversion of every relative import under v2/ to an absolute v2.* path
(from .x / ..x / ...x -> from v2.<pkg>.x) so imports are unambiguous, grep-able, and
stable when code is copied/moved between entrypoints (VideoGenerator, CLI, server).

Surgical prefix-only rewrite: only the 'from <dots><module>' prefix changed — import
names, parentheses, multi-line formatting, comments, and ordering are byte-for-byte
preserved (no collapsing, no reorder, no unrelated reformatting).

- 471 imports across 125 files; v2/tests/ was already absolute (untouched).
- Validated: all 125 files compile, every 'from v2.* import' target resolves to a real
  module/package, zero relative imports remain (full sweep), CPU mini suite green
  (202 passed, 2 skipped).
2026-07-04 17:15:34 +00:00

25 lines
1.2 KiB
Python

"""Tiled-decode program: text_encode → diffusion_denoise → vae_tile (design_v3 §4, §17).
The VAE decode is a ``ModelLoopNode`` (the ``vae_tile`` loop), not a one-shot ``ComponentNode`` — so its
tiles become scheduled ``VAE_TILE`` WorkUnits that interleave with other requests' ``DIFFUSION_STEP``
units. (Contrast the plain Wan program, where decode is a single in-tick node.)
"""
from __future__ import annotations
from v2.program import ComponentNode, ModelLoopNode, Program, ProgramKind
from v2.models.common import text_encode_node_fn as _text_encode
def build_tiled_program() -> Program:
return Program(
program_id="wan.t2v.tiled", kind=ProgramKind.INLINE,
nodes=[
ComponentNode("text_encode", fn=_text_encode, writes=("text_embeds", "neg_text_embeds")),
ModelLoopNode("denoise", loop_id="diffusion_denoise", output_slot="denoise_out",
reads=("text_embeds",), writes=("denoise_out",)),
ModelLoopNode("vae_tile", loop_id="vae_tile", output_slot="tiled_out",
reads=("denoise_out",), writes=("tiled_out",)),
],
output_artifacts={"video": "tiled_out", "latents": "denoise_out"},
).validate()