Files
pytorch/torch/deploy.h
Zachary DeVito 60518d10f6 [deploy] torch::deploy API (#51754)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51754

This API allows you to manage multiple python interpreters in a single
process to deploy PyTorch models packaged with torch.package.

torch/csrc/deploy/deploy.h contains the API definition
torch/csrc/deploy/test_deploy.cpp has some examples.

Notes:
* mutex is added to PyTorchStreamReader to make it safe to use from multiple threads at once.
* USE_DEPLOY is only true for the special libtorch_deployinterpreter.so library, when enabled
  we use a hash table to maintain PyObject <> at::Tensor mappping rather than the internal pointer
  in Tensor since >1 interpreter may have a reference to the tensor.
* serialization.py has some additional functions for creating pickle objects
  but keeping storages in memory for use transfering tensors between interpreters

Test Plan: Imported from OSS

Reviewed By: wconstab

Differential Revision: D26329468

Pulled By: zdevito

fbshipit-source-id: d75f4ebb9a27f1d911179d9996041bcb3ca04a07
2021-02-18 02:30:08 -08:00

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#pragma once
#include <torch/csrc/deploy/deploy.h>