Created by: wanghaoshuang
PR types
New features
PR changes
OPS
Describe
This PR enhance CPU kernel and add new CUDA kernel to make grid_sample support:
- align_corners: with bool type.
- padding mode: which can be in ['zeros', 'reflect', 'border']
- Interpolation mode: which ca be in ['bilinear', 'nearest']
The old CPU and CUDNN version only support align_corners=true, padding_mode='zeros' and interpolation_mode='bilinear'.
The behavior of the new version op in default mode is compatible with the old version.