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Jiakai Liu 7aca9afdfb [pytorch] remove boilerplate setQEngine() from PyTorch mobile predictors (#34556) 
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34556

According to
https://github.com/pytorch/pytorch/pull/34012#discussion_r388581548,
this `at::globalContext().setQEngine(at::QEngine::QNNPACK);` call isn't
really necessary for mobile.

In Context.cpp it selects the last available QEngine if the engine isn't
set explicitly. For OSS mobile prebuild it should only include QNNPACK
engine so the default behavior should already be desired behavior.

It makes difference only when USE_FBGEMM is set - but it should be off
for both OSS mobile build and internal mobile build.

Test Plan: Imported from OSS

Differential Revision: D20374522

Pulled By: ljk53

fbshipit-source-id: d4e437a03c6d4f939edccb5c84f02609633a0698
2020-03-11 00:55:14 -07:00
..
TestApp [pytorch] remove boilerplate setQEngine() from PyTorch mobile predictors (#34556) 2020-03-11 00:55:14 -07:00
.gitignore Add iOS test app skeleton (#26261) 2019-09-17 11:06:57 -07:00
LibTorch.h
LibTorch.podspec Update all instances of 1.4.0 -> 1.5.0 (#31785) 2020-01-07 08:00:17 -08:00
README.md Update the link for iOS demo app in README.md (#27145) 2019-10-03 13:43:58 -07:00

README.md

PyTorch for iOS

Cocoapods Developers

PyTorch is now available via Cocoapods, to integrate it to your project, simply add the following line to your Podfile and run pod install

pod 'LibTorch'

Import the library

For Objective-C developers, simply import the umbrella header

#import <LibTorch/LibTorch.h>

For Swift developers, you need to create an Objective-C class as a bridge to call the C++ APIs. We highly recommend you to follow the Image Classification demo where you can find out how C++, Objective-C and Swift work together.

Disable Bitcode

Since PyTorch is not yet built with bitcode support, you need to disable bitcode for your target by selecting the Build Settings, searching for Enable Bitcode and set the value to No.

LICENSE

PyTorch is BSD-style licensed, as found in the LICENSE file.