---
title: Operator Kernels
parent: Operators
grand_parent: Reference
nav_order: 1
---

The operator kernels supported by the CPU Execution Provider and CUDA Execution Provider are documented in the ONNX Runtime repository.

| Release | Documentation |
|---------|---------------|
| Current master | [https://github.com/microsoft/onnxruntime/blob/master/docs/OperatorKernels.md](https://github.com/microsoft/onnxruntime/blob/master/docs/OperatorKernels.md) |
| 1.7 | [https://github.com/microsoft/onnxruntime/blob/rel-1.7.0/docs/OperatorKernels.md](https://github.com/microsoft/onnxruntime/blob/rel-1.7.0/docs/OperatorKernels.md)|