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Fix OSS import for ref_implementations #16066

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Merged
meta-codesync merged 1 commit into from
Dec 4, 2025
+15 −2
Merged

Fix OSS import for ref_implementations #16066

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17 changes: 15 additions & 2 deletions backends/cadence/aot/ref_implementations.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,25 @@
import torch
import torch.nn as nn
import torch.nn.functional as F

from executorch.exir.scalar_type import ScalarType
from torch.library import impl, Library

m = Library("cadence", "IMPL", "CompositeExplicitAutograd")
torch.ops.load_library("//executorch/kernels/quantized:custom_ops_generated_lib")

try:
torch.ops.load_library("//executorch/kernels/quantized:custom_ops_generated_lib")
except (OSError, RuntimeError):
# Fall back to path-based loading for CMake/OSS builds
from pathlib import Path

custom_libs: list[Path] = list(
Path(__file__)
.parent.parent.parent.resolve()
.glob("**/kernels/quantized/**/*custom_ops_generated_lib.*")
)
if custom_libs:
torch.ops.load_library(str(custom_libs[0]))
del Path

# Registry to track all ops with reference implementations
_REGISTERED_REF_IMPLEMENTATIONS: set[str] = set()
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