optimization.py

"""
"""

from typing import Any
from typing import Callable
from typing import ParamSpec
import spaces
import torch

from fa3 import FlashFusedFluxAttnProcessor3_0


P = ParamSpec('P')


INDUCTOR_CONFIGS = {
    'conv_1x1_as_mm': True,
    'epilogue_fusion': False,
    'coordinate_descent_tuning': True,
    'coordinate_descent_check_all_directions': True,
    'max_autotune': True,
    'triton.cudagraphs': True,
}


def optimize_pipeline_(pipeline: Callable[P, Any], *args: P.args, **kwargs: P.kwargs):

    @spaces.GPU(duration=1500)
    def compile_transformer():

        with spaces.aoti_capture(pipeline.transformer) as call:
            pipeline(*args, **kwargs)

        exported = torch.export.export(
            mod=pipeline.transformer,
            args=call.args,
            kwargs=call.kwargs,
        )

        return spaces.aoti_compile(exported, INDUCTOR_CONFIGS)

    pipeline.transformer.fuse_qkv_projections()
    pipeline.transformer.set_attn_processor(FlashFusedFluxAttnProcessor3_0())
    spaces.aoti_apply(compile_transformer(), pipeline.transformer)