GitLab

* init centerformer in projects

* add readme and disable_tf32_switch

* using our iou3d and nms3d, using basicblock in mmdet, simplify code in projects

* remove attention.py and sparse_block.py

* only using single fold

* polish code

* polish code and add dosstring

* add ut for disable_object_sample_hook

* modify data_root

* add ut

* update readme

* polish code

* fix docstring

* resolve comments

* modify project names

* modify project names and add _forward

* fix docstring

* remove disable_tf32