48 lines
2.0 KiB
Python
Executable File
48 lines
2.0 KiB
Python
Executable File
import importlib.util
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from .cogvideox_xfuser import CogVideoXMultiGPUsAttnProcessor2_0
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from .fsdp import shard_model
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from .fuser import (get_sequence_parallel_rank,
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get_sequence_parallel_world_size, get_sp_group,
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get_world_group, init_distributed_environment,
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initialize_model_parallel, set_multi_gpus_devices,
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xFuserLongContextAttention)
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from .wan_xfuser import usp_attn_forward
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# The pai_fuser is an internally developed acceleration package, which can be used on PAI.
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if importlib.util.find_spec("pai_fuser") is not None:
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# The simple_wrapper is used to solve the problem about conflicts between cython and torch.compile
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def simple_wrapper(func):
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def inner(*args, **kwargs):
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return func(*args, **kwargs)
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return inner
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from pai_fuser.core import parallel_magvit_vae
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from pai_fuser.core.attention import wan_usp_sparse_attention_wrapper
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from . import wan_xfuser
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usp_sparse_attn_wrap_forward = simple_wrapper(wan_usp_sparse_attention_wrapper()(wan_xfuser.usp_attn_forward))
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wan_xfuser.usp_attn_forward = usp_sparse_attn_wrap_forward
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usp_attn_forward = usp_sparse_attn_wrap_forward
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print("Import PAI VAE Turbo and Sparse Attention")
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from pai_fuser.core.rope import ENABLE_KERNEL, usp_fast_rope_apply_qk
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if ENABLE_KERNEL:
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import torch
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import types
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def deepcopy_function(f):
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return types.FunctionType(f.__code__, f.__globals__, name=f.__name__, argdefs=f.__defaults__,closure=f.__closure__)
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local_rope_apply_qk = deepcopy_function(wan_xfuser.rope_apply_qk)
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def adaptive_fast_usp_rope_apply_qk(q, k, grid_sizes, freqs):
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if torch.is_grad_enabled():
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return local_rope_apply_qk(q, k, grid_sizes, freqs)
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else:
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return usp_fast_rope_apply_qk(q, k, grid_sizes, freqs)
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wan_xfuser.rope_apply_qk = adaptive_fast_usp_rope_apply_qk
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rope_apply_qk = adaptive_fast_usp_rope_apply_qk
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print("Import PAI Fast rope")
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