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Course Outline

Introduction to Custom Operator Development

  • Why build custom operators? Use cases and constraints.
  • CANN runtime structure and operator integration points.
  • Overview of TBE, TIK, and TVM in the Huawei AI ecosystem.

Using TIK for Low-Level Operator Programming

  • Understanding the TIK programming model and supported APIs.
  • Memory management and tiling strategy in TIK.
  • Creating, compiling, and registering a custom op with CANN.

Testing and Validating Custom Ops

  • Unit testing and integration testing of ops in the graph.
  • Debugging kernel-level performance issues.
  • Visualizing op execution and buffer behavior.

TVM-Based Scheduling and Optimization

  • Overview of TVM as a compiler for tensor ops.
  • Writing a schedule for a custom op in TVM.
  • TVM tuning, benchmarking, and code generation for Ascend.

Integration with Frameworks and Models

  • Registering custom ops for MindSpore and ONNX.
  • Verifying model integrity and fallback behaviour.
  • Supporting multi-operator graphs with mixed precision.

Case Studies and Specialized Optimizations

  • Case study: high-efficiency convolution for small input shapes.
  • Case study: memory-aware attention operator optimization.
  • Best practices in custom op deployment across devices.

Summary and Next Steps

Requirements

  • Robust knowledge of AI model internals and operator-level computation.
  • Experience with Python and Linux development environments.
  • Familiarity with neural network compilers or graph-level optimizers.

Audience

  • Compiler engineers working on AI toolchains.
  • Systems developers focused on low-level AI optimization.
  • Developers building custom ops or targeting novel AI workloads.
 14 Hours

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