Function torch::autograd::forward_ad::enter_dual_level

Function Documentation

uint64_t torch::autograd::forward_ad::enter_dual_level()

Creates a new dual level and returns its index.

This level index should then be used to call into the other functions below. This API supports entering a new level before the previous one is exited. We call them nested forward AD levels. These can be used to compute higher order derivatives.


Access comprehensive developer documentation for PyTorch

View Docs


Get in-depth tutorials for beginners and advanced developers

View Tutorials


Find development resources and get your questions answered

View Resources