* skip nms
* judge at beginning
* add test
* remove else
* add more details in docstr including version not
* fix unitest
* fix doc
* fix doc
* fix typo
* resove conversation
* fix link
* Add score_threshold and max_num to NMS
* Fix codestyle
* Fix codestyle
* Fix inds in nms
* Update nms docstring
* Move score_threshold and max_num arguments
* Fix args order in docstring
* fix lint of c++ file
* Remove torch.onnx.is_in_onnx_export() and add max_num to batched_nms for separate classes.
* Rewrote max_num handling in NMSop.symbolic
* Added processing max_output_boxes_per_class when exporting to TensorRT
* Added score_threshold and max_num for NMS in test_onnx.py and test_tensorrt.py
* Remove _is_value(max_num)
* fix ci errors with torch==1.3.1
* Update test_batched_nms in test_nms.py
* Added tests for preprocess_onnx
* Moved 'test_tensorrt_preprocess.py' and 'preprocess', updated 'remove_tmp_file'.
* Update mmcv/tensorrt/__init__.py
* Fix segfault torch==1.3.1 (remove onnx.checker.check_model)
* Returned 'onnx.checker.check_model' with torch version check
* Changed torch version from 1.3.1 to 1.4.0
* update version check
* remove check for onnx
Co-authored-by: maningsheng <maningsheng@sensetime.com>
* delete all parrots file
add bbox_overlaps new parrots op impl
* support first new impl parrts op (bbox_overlaps)(success test)
* add box_iou_rotated op, test succeed
* add carafe and carafe_naive op, test succeed (one parrots bug need fix)
* add cc_attention op, test success
* add corner_pool op, test success
* add parrots op deform_conv, test success
* add deform_roi_pool op, test success (but has question)
* add focal loss op, test success (gradcheck)
* add masked_conv2d op, test success
* add modulated_deform_conv op, test success
* add nms and nms_rotated op, test success
* add psamask op, test success
* add roi_align op, test_success
* add roi_pool op, test success
* add sync_bn op, test success
* add tin_shift op, test success
* fix test_deform_roi_pool, add parrots test
* skip test_onnx because parrots does not support onnx
* fix c++ lint
* fix python lint
* fix python lint
* Support to split batched_nms when box number is too large
* mv data from gpu to cpu
* Set split_thr through nms_cfg
* clean code
* Update motivation in docstring
* fix typos
* add ext ops, support parrots
* fix lint
* fix lint
* update op from mmdetection
* support non-pytorch env
* fix import bug
* test not import mmcv.op
* rename mmcv.op to mmcv.ops
* fix compile warning
* 1. fix syncbn warning in pytorch 1.5
2. support only cpu compile
3. add point_sample from mmdet
* fix text bug
* update docstrings
* fix line endings
* minor updates
* remove non_local from ops
* bug fix for nonlocal2d
* rename ops_ext to _ext and _ext to _flow_warp_ext
* update the doc
* try clang-format github action
* fix github action
* add ops to api.rst
* fix cpp format
* fix clang format issues
* remove .clang-format
Co-authored-by: Kai Chen <chenkaidev@gmail.com>