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a386871 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | import importlib.util
from .cogvideox_xfuser import CogVideoXMultiGPUsAttnProcessor2_0
from .fsdp import shard_model
from .fuser import (get_sequence_parallel_rank,
get_sequence_parallel_world_size, get_sp_group,
get_world_group, init_distributed_environment,
initialize_model_parallel, set_multi_gpus_devices,
xFuserLongContextAttention)
from .wan_xfuser import usp_attn_forward, usp_attn_s2v_forward
from .qwen_xfuser import QwenImageMultiGPUsAttnProcessor2_0
from .flux_xfuser import FluxMultiGPUsAttnProcessor2_0
# The pai_fuser is an internally developed acceleration package, which can be used on PAI.
if importlib.util.find_spec("pai_fuser") is not None:
# The simple_wrapper is used to solve the problem about conflicts between cython and torch.compile
def simple_wrapper(func):
def inner(*args, **kwargs):
return func(*args, **kwargs)
return inner
from pai_fuser.core import parallel_magvit_vae
from pai_fuser.core.attention import wan_usp_sparse_attention_wrapper
from . import wan_xfuser
usp_sparse_attn_wrap_forward = simple_wrapper(wan_usp_sparse_attention_wrapper()(wan_xfuser.usp_attn_forward))
wan_xfuser.usp_attn_forward = usp_sparse_attn_wrap_forward
usp_attn_forward = usp_sparse_attn_wrap_forward
print("Import PAI VAE Turbo and Sparse Attention")
from pai_fuser.core.rope import ENABLE_KERNEL, usp_fast_rope_apply_qk
if ENABLE_KERNEL:
import torch
import types
def deepcopy_function(f):
return types.FunctionType(f.__code__, f.__globals__, name=f.__name__, argdefs=f.__defaults__,closure=f.__closure__)
local_rope_apply_qk = deepcopy_function(wan_xfuser.rope_apply_qk)
def adaptive_fast_usp_rope_apply_qk(q, k, grid_sizes, freqs):
if torch.is_grad_enabled():
return local_rope_apply_qk(q, k, grid_sizes, freqs)
else:
return usp_fast_rope_apply_qk(q, k, grid_sizes, freqs)
wan_xfuser.rope_apply_qk = adaptive_fast_usp_rope_apply_qk
rope_apply_qk = adaptive_fast_usp_rope_apply_qk
print("Import PAI Fast rope")
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