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temisu's Introduction

A fuzzing tool built upon NNSmith to find bugs in the new compilers of PyTorch, covering more dynamic features to be tested (control flow, loops, tensor manipulation, etc). Already found ~20 bugs of PyTorch compiler (see https://github.com/pytorch/pytorch/issues/created_by/soodoshll and https://github.com/openai/triton/issues/created_by/soodoshll)

Dependencies

  • newest PyTorch compiled from source
  • NNSmith

How to Use

Add this directory to PATH. Then run

python -m temisu.fuzz

Transformations

Transformations that guarantee EMI (equivalence modulo inputs)

True Conditional Blocks

Inserting true conditions

Operator Resolution

  • Elementwise
  • Reduction
  • MatMul

Modify then recover

  • Matmul then inverse
  • Backup, modify then recover

Data Movement

  • Inplace Operator
  • Offloading
  • Gradient Checkpointing

Functionalize

  • Choose some instructions to form a new (sub)function

Compound data types test

  • Tuple
  • List
  • Dict

temisu's People

Contributors

soodoshll avatar

Watchers

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