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removing the fuse distributed ops lowering pass for tegra platforms #3411

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removing the fuse distributed ops lowering pass for tegra platforms #3411

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d8063cd
removing the fuse distributed ops lowering pass for tegra platforms
apbose Feb 24, 2025
57943f3
utility function to detect tegra platform
apbose Feb 25, 2025
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31 changes: 17 additions & 14 deletions py/torch_tensorrt/dynamo/lowering/passes/_aten_lowering_pass.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@

import torch
from torch_tensorrt.dynamo._settings import CompilationSettings
from torch_tensorrt.dynamo.utils import is_tegra_platform

from .accumulate_fp32_matmul import accumulate_fp32_matmul
from .constant_folding import constant_fold
Expand All @@ -17,20 +18,22 @@
from .replace_max_pool_with_indices import replace_max_pool_with_indices
from .view_to_reshape import view_to_reshape

ATEN_POST_LOWERING_PASSES = DynamoPassManager.build_from_passlist(
[
remove_input_alias_fixing_clones,
constant_fold,
repair_input_as_output,
fuse_prims_broadcast,
fuse_distributed_ops,
replace_max_pool_with_indices,
lower_scaled_dot_product_attention,
view_to_reshape,
remove_assert_nodes,
accumulate_fp32_matmul,
]
)
pass_list = [
remove_input_alias_fixing_clones,
constant_fold,
repair_input_as_output,
fuse_prims_broadcast,
replace_max_pool_with_indices,
lower_scaled_dot_product_attention,
view_to_reshape,
remove_assert_nodes,
accumulate_fp32_matmul,
]

if not is_tegra_platform():
pass_list.append(fuse_distributed_ops)

ATEN_POST_LOWERING_PASSES = DynamoPassManager.build_from_passlist(pass_list)

ATEN_PRE_LOWERING_PASSES = DynamoPassManager.build_from_passlist(
[
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6 changes: 6 additions & 0 deletions py/torch_tensorrt/dynamo/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -799,3 +799,9 @@ def get_output_dtypes(output: Any, truncate_doulbe: bool = False) -> List[dtype]
f"got unexpected type {type(output)}, expected type is a torch.fx.node.Node or a tuple/list of torch.fx.node.Node"
)
return output_dtypes


def is_tegra_platform() -> bool:
if torch.cuda.get_device_capability() in [(8, 7), (7, 2)]:
return True
return False
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