[TMVA][SOFIE] Add ONNX InstanceNormalization operator#21331
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gluonparticle wants to merge 1 commit intoroot-project:masterfrom
Open
[TMVA][SOFIE] Add ONNX InstanceNormalization operator#21331gluonparticle wants to merge 1 commit intoroot-project:masterfrom
gluonparticle wants to merge 1 commit intoroot-project:masterfrom
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This commit implements the InstanceNormalization operator for the SOFIE inference engine. - Implements ROperator_InstanceNormalization for C++ code generation. - Updates RModelParser_ONNX to support operator registration and epsilon attribute parsing. - Adds a unit test to verify generated code logic. - Follows ROOT coding conventions and passes build with dev=ON.
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InstanceNormalization Operator for SOFIE Inference Engine
Why
InstanceNormalizationis widely used in modern computer vision models (e.g., Style Transfer, GANs).Supporting this operator in the SOFIE ONNX parser expands the range of physics-adjacent ML models that can be converted to high-performance C++.
What
ROperator_InstanceNormalization.hxx$N, C, H, W$ normalization logic.
New template implementing the
RModelParser_ONNX.cxx
Registered the operator and added epsilon attribute parsing.
test_InstanceNormalization.cxx
Added a unit test to verify the correctness of emitted C++ code.
Testing
-Ddev=ONusing GCC 15.2.1.test_instancenormpassed with[SUCCESS].