CUDA ops

We implement common CUDA ops used in detection, segmentation, etc.

• ActiveRotatedFilter

• AssignScoreWithK

• BallQuery

• BBoxOverlaps

• CARAFE

• CrissCrossAttention

• ContextBlock

• ConvexIoU

• CornerPool

• ChamferDistance

• Deformable Convolution v1/v2

• Deformable RoIPool

• DiffIoURotated

• DynamicScatter

• GatherPoints

• FurthestPointSample

• FurthestPointSampleWithDist

• GeneralizedAttention

• GroupPoints

• KNN

• MaskedConv

• MinAreaPolygon

• NMS

• NMS3D

• PointsInPolygons

• PSAMask

• RiRoIAlignRotated

• RotatedFeatureAlign

• RoIPointPool3d

• RoIPool

• RoIAlign

• RoIAwarePool3d

• SimpleRoIAlign

• SigmoidFocalLoss

• SoftmaxFocalLoss

• SoftNMS

• Sparse Convolution

• Synchronized BatchNorm

• Voxelization

• ThreeInterpolate

• ThreeNN

• Weight standardization

• Correlation