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Add opset 21/23 CUDA kernel registrations for Flatten, Identity, If, Loop, Scan, ConstantOfShape, Size #27728

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Merged
tianleiwu merged 3 commits into from
Mar 21, 2026
Merged

Add opset 21/23 CUDA kernel registrations for Flatten, Identity, If, Loop, Scan, ConstantOfShape, Size #27728

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1c8d0eb
Add opset 21/23 CUDA kernel registrations for Flatten, Identity, If, …
Rishi-Dave Mar 18, 2026
619b748
Extend CUDA kernel registrations through opset 25
Rishi-Dave Mar 18, 2026
10138d5
Update docs/OperatorKernels.md for new CUDA kernel version ranges
Rishi-Dave Mar 20, 2026
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35 changes: 28 additions & 7 deletions docs/OperatorKernels.md
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32 changes: 31 additions & 1 deletion onnxruntime/core/providers/cuda/controlflow/if.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -46,9 +46,39 @@ ONNX_OPERATOR_VERSIONED_KERNEL_EX(If,
If);

// opset-19 supports float8
ONNX_OPERATOR_VERSIONED_KERNEL_EX(If,
kOnnxDomain,
19, 20,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'cond' needs to be on CPU
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
If);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(If,
kOnnxDomain,
21, 22,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'cond' needs to be on CPU
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
If);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(If,
kOnnxDomain,
23, 24,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'cond' needs to be on CPU
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
If);

ONNX_OPERATOR_KERNEL_EX(If,
kOnnxDomain,
19,
25,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
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.InputMemoryType(OrtMemTypeCPUInput, 0) // 'cond' needs to be on CPU
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38 changes: 37 additions & 1 deletion onnxruntime/core/providers/cuda/controlflow/loop.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,45 @@ ONNX_OPERATOR_VERSIONED_KERNEL_EX(Loop,
Loop);

// opset-19 supports float 8 types.
ONNX_OPERATOR_VERSIONED_KERNEL_EX(Loop,
kOnnxDomain,
19, 20,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'M' needs to be on CPU
.InputMemoryType(OrtMemTypeCPUInput, 1) // 'cond' needs to be on CPU
.TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
Loop);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(Loop,
kOnnxDomain,
21, 22,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'M' needs to be on CPU
.InputMemoryType(OrtMemTypeCPUInput, 1) // 'cond' needs to be on CPU
.TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
Loop);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(Loop,
kOnnxDomain,
23, 24,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
.InputMemoryType(OrtMemTypeCPUInput, 0) // 'M' needs to be on CPU
.InputMemoryType(OrtMemTypeCPUInput, 1) // 'cond' needs to be on CPU
.TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("B", DataTypeImpl::GetTensorType<bool>())
.TypeConstraint("V", DataTypeImpl::AllTensorAndSequenceTensorTypesIRv9()),
Loop);

ONNX_OPERATOR_KERNEL_EX(Loop,
kOnnxDomain,
19,
25,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
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.InputMemoryType(OrtMemTypeCPUInput, 0) // 'M' needs to be on CPU
Expand Down
32 changes: 31 additions & 1 deletion onnxruntime/core/providers/cuda/controlflow/scan.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -112,9 +112,39 @@ ONNX_OPERATOR_VERSIONED_KERNEL_EX(Scan,
Scan<9>);

// Opset 19 starts to support float 8 types for the type constraint "V"
ONNX_OPERATOR_VERSIONED_KERNEL_EX(Scan,
kOnnxDomain,
19, 20,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
// 'I' is in the ONNX spec but is not used for any inputs or outputs
// .TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("V", DataTypeImpl::AllFixedSizeTensorTypesIRv9()),
Scan<9>);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(Scan,
kOnnxDomain,
21, 22,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
// 'I' is in the ONNX spec but is not used for any inputs or outputs
// .TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("V", DataTypeImpl::AllFixedSizeTensorTypesIRv9()),
Scan<9>);

ONNX_OPERATOR_VERSIONED_KERNEL_EX(Scan,
kOnnxDomain,
23, 24,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
// 'I' is in the ONNX spec but is not used for any inputs or outputs
// .TypeConstraint("I", DataTypeImpl::GetTensorType<int64_t>())
.TypeConstraint("V", DataTypeImpl::AllFixedSizeTensorTypesIRv9()),
Scan<9>);

ONNX_OPERATOR_KERNEL_EX(Scan,
kOnnxDomain,
19,
25,
kCudaExecutionProvider,
(*KernelDefBuilder::Create())
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tianleiwu marked this conversation as resolved.
// 'I' is in the ONNX spec but is not used for any inputs or outputs
Expand Down
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