Add LpNormalization support for CUDA Execution Provider (#28724)
This pull request adds CUDA (GPU) support for the `LpNormalization` ONNX
operator in ONNX Runtime, including implementation, kernel registration,
and new unit tests (notably for FP16). The main changes involve adding
the CUDA kernel, wiring it up for opsets 1–22, and extending the test
suite to cover new scenarios and datatypes.
**CUDA LpNormalization Operator Support:**
* Implemented CUDA kernel for `LpNormalization` supporting float,
double, and MLFloat16 datatypes, with efficient handling for both L1 and
L2 normalization.
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* Registered the CUDA kernel for `LpNormalization` for opsets 1–21
(versioned) and opset 22 (current), for all supported datatypes
(`float`, `double`, `MLFloat16`).
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**Testing and Validation:**
* Added new unit tests for `LpNormalization` covering FP16, various
axes, and both L1/L2 normalization, ensuring CUDA kernel correctness and
excluding unsupported providers.
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* Updated backend test filters to reflect the current status of
LpNormalization-related tests.
These changes collectively enable and validate GPU-accelerated
LpNormalization in ONNX Runtime for a wide range of models and
datatypes.