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arm_pass_manager.py
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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
# Copyright 2024-2025 Arm Limited and/or its affiliates.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
# pyre-unsafe
from executorch.backends.arm._passes import (
AnnotateChannelsLastDimOrder,
AnnotateDecomposedMatmulPass,
CastInt64BuffersToInt32Pass,
CastToInt32Pass,
ComputeConstantOpsAOT,
Conv1dUnsqueezePass,
ConvertAnyDefaultDimDimsPass,
ConvertExpandCopyToRepeatPass,
ConvertFullLikeToFullPass,
ConvertMeanDimToAveragePoolPass,
ConvertMinMaxPass,
ConvertMmToBmmPass,
ConvertSplitToSlicePass,
ConvertSqueezesToViewPass,
ConvertToClampPass,
DecomposeBatchNormPass,
DecomposeDivPass,
DecomposeGeluPass,
DecomposeGroupNormPass,
DecomposeLayerNormPass,
DecomposeLeakyReLUPass,
DecomposeLinearPass,
DecomposeMeanDimPass,
DecomposeSelectPass,
DecomposeSoftmaxPass,
DecomposeSoftmaxUnstablePass,
DecomposeSqrtPass,
DecomposeVarPass,
FoldAndAnnotateQParamsPass,
FuseBatchnorm2DPass,
FuseConstantArgsPass,
FuseQuantizedActivationPass,
InsertRescalePass,
InsertTableOpsPass,
KeepDimsFalseToSqueezePass,
MatchArgRanksPass,
MatchWhereSelfDtypePass,
QuantizeOperatorArguments,
RemoveClonePass,
ReplaceScalarWithTensorArgPassTOSABI,
ReplaceScalarWithTensorArgPassTOSAMI,
RetraceFoldedDtypesPass,
ScalarsToAttributePass,
SizeAdjustConv2DPass,
UnsqueezeBeforeRepeatPass,
UnsqueezeScalarPlaceholdersPass,
)
from executorch.backends.arm.tosa_specification import Tosa_0_80, TosaSpecification
from executorch.backends.transforms.fuse_view_copy import FuseViewCopyTransform
from executorch.backends.xnnpack._passes.remove_getitem_op import RemoveGetItemPass
from executorch.exir import ExportedProgram
from executorch.exir.pass_manager import PassManager
from torch.fx import GraphModule
class ArmPassManager(PassManager):
def __init__(self, tosa_spec: TosaSpecification) -> None:
self.tosa_spec = tosa_spec
super().__init__()
def _transform(self, graph_module: GraphModule):
return self(graph_module).graph_module
def _tosa_080_BI_pipeline(self, exported_program: ExportedProgram) -> GraphModule:
self.add_pass(FuseQuantizedActivationPass())
self.add_pass(RemoveGetItemPass())
self.add_pass(DecomposeBatchNormPass())
self.add_pass(ConvertSplitToSlicePass())
self.add_pass(ConvertMmToBmmPass())
self.add_pass(DecomposeLinearPass())
self.add_pass(ConvertMeanDimToAveragePoolPass())
self.add_pass(ConvertFullLikeToFullPass())
self.add_pass(ConvertToClampPass())
self.add_pass(ConvertMinMaxPass())
self.add_pass(ConvertAnyDefaultDimDimsPass())
self.add_pass(MatchWhereSelfDtypePass())
if isinstance(self.tosa_spec, Tosa_0_80) and self.tosa_spec.is_U55_subset:
self.add_pass(CastToInt32Pass())
self.add_pass(ReplaceScalarWithTensorArgPassTOSABI())
self.add_pass(AnnotateDecomposedMatmulPass())
self.add_pass(QuantizeOperatorArguments())
self.add_pass(FoldAndAnnotateQParamsPass()) # type: ignore[call-arg]
self.add_pass(RetraceFoldedDtypesPass())
self.add_pass(UnsqueezeScalarPlaceholdersPass(exported_program))
self.add_pass(MatchArgRanksPass(exported_program))
self.add_pass(ComputeConstantOpsAOT(exported_program))
self.add_pass(RemoveClonePass())
self.add_pass(SizeAdjustConv2DPass())
self.add_pass(ConvertExpandCopyToRepeatPass())
self.add_pass(UnsqueezeBeforeRepeatPass())
self.add_pass(CastInt64BuffersToInt32Pass(exported_program))
self.add_pass(KeepDimsFalseToSqueezePass())
self.add_pass(Conv1dUnsqueezePass(exported_program))
self.add_pass(DecomposeSelectPass())
self.add_pass(ConvertSqueezesToViewPass())
self.add_pass(FuseViewCopyTransform())
self.add_pass(FuseConstantArgsPass(exported_program))
self.add_pass(InsertTableOpsPass(exported_program))
self.add_pass(AnnotateChannelsLastDimOrder())
self.add_pass(InsertRescalePass())
return self._transform(exported_program.graph_module)
def _tosa_080_MI_pipeline(self, exported_program: ExportedProgram) -> GraphModule:
self.add_pass(DecomposeSqrtPass())
self.add_pass(ReplaceScalarWithTensorArgPassTOSAMI())
self.add_pass(FuseQuantizedActivationPass())
self.add_pass(RemoveGetItemPass())
self.add_pass(ConvertSplitToSlicePass())
self.add_pass(FuseBatchnorm2DPass(exported_program))
self.add_pass(ConvertMmToBmmPass())
self.add_pass(DecomposeLinearPass())
self.add_pass(DecomposeLeakyReLUPass())
self.add_pass(DecomposeBatchNormPass())
self.add_pass(DecomposeGroupNormPass())
self.add_pass(DecomposeLayerNormPass())
self.add_pass(DecomposeVarPass())
self.add_pass(DecomposeMeanDimPass())
self.add_pass(ConvertMeanDimToAveragePoolPass())
self.add_pass(DecomposeDivPass())
self.add_pass(DecomposeSoftmaxPass())
self.add_pass(DecomposeGeluPass())
self.add_pass(ConvertFullLikeToFullPass())
self.add_pass(ConvertToClampPass())
self.add_pass(ConvertMinMaxPass())
self.add_pass(ConvertAnyDefaultDimDimsPass())
self.add_pass(MatchWhereSelfDtypePass())
self.add_pass(AnnotateDecomposedMatmulPass())
self.add_pass(QuantizeOperatorArguments())
self.add_pass(FoldAndAnnotateQParamsPass()) # type: ignore[call-arg]
self.add_pass(RetraceFoldedDtypesPass())
self.add_pass(UnsqueezeScalarPlaceholdersPass(exported_program))
self.add_pass(MatchArgRanksPass(exported_program))
self.add_pass(ComputeConstantOpsAOT(exported_program))
self.add_pass(RemoveClonePass())
self.add_pass(SizeAdjustConv2DPass())
self.add_pass(ConvertExpandCopyToRepeatPass())
self.add_pass(UnsqueezeBeforeRepeatPass())
self.add_pass(CastInt64BuffersToInt32Pass(exported_program))
self.add_pass(KeepDimsFalseToSqueezePass())
self.add_pass(Conv1dUnsqueezePass(exported_program))
self.add_pass(DecomposeSelectPass())
self.add_pass(ConvertSqueezesToViewPass())
self.add_pass(FuseViewCopyTransform())
self.add_pass(FuseConstantArgsPass(exported_program))
self.add_pass(InsertTableOpsPass(exported_program))
self.add_pass(AnnotateChannelsLastDimOrder())
self.add_pass(InsertRescalePass())
return self._transform(exported_program.graph_module)
def transform_to_backend_pipeline(self, exported_program: ExportedProgram):
"""Apply passes before transforming program to backend"""
if self.tosa_spec == TosaSpecification.create_from_string("TOSA-0.80.0+BI"):
return self._tosa_080_BI_pipeline(exported_program)
elif self.tosa_spec == TosaSpecification.create_from_string("TOSA-0.80.0+MI"):
return self._tosa_080_MI_pipeline(exported_program)
else:
raise NotImplementedError(
f"No pass pipeline implemented for {self.tosa_spec=}"
)
def transform_for_annotation_pipeline(self, graph_module: GraphModule):
self.add_pass(ReplaceScalarWithTensorArgPassTOSABI())
self.add_pass(ScalarsToAttributePass())
self.add_pass(DecomposeGroupNormPass())
self.add_pass(DecomposeLayerNormPass())
self.add_pass(DecomposeVarPass())
self.add_pass(DecomposeMeanDimPass())
self.add_pass(DecomposeDivPass())
self.add_pass(DecomposeLeakyReLUPass())
self.add_pass(DecomposeSqrtPass())
if isinstance(self.tosa_spec, Tosa_0_80) and self.tosa_spec.is_U55_subset:
# Numerically stable softmax uses amax which is not supported on Ethos-U55
self.add_pass(DecomposeSoftmaxUnstablePass())
else:
self.add_pass(DecomposeSoftmaxPass())
self.add_pass(ConvertMinMaxPass())
return self._transform(graph_module)