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Some faster/better kernels. Tensors with points are now kept in (b, c, ...) format as this is easier for pytorch

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erikwijmans
2018-02-10 20:32:52 -05:00
parent 8bce353da4
commit 65a127f3d2
19 changed files with 372 additions and 296 deletions
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utils/cinclude/sampling_gpu.h
+5 -1
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@@ -5,10 +5,14 @@
extern "C" {
#endif
void gather_points_kernel_wrapper(int b, int n, int c, int npoints,
void gather_points_kernel_wrapper(int b, int c, int n, int npoints,
const float *points, const int *idx,
float *out, cudaStream_t stream);
void gather_points_grad_kernel_wrapper(int b, int c, int n, int npoints,
const float *grad_out, const int *idx,
float *grad_points, cudaStream_t stream);
void furthest_point_sampling_kernel_wrapper(int b, int n, int m,
const float *dataset, float *temp,
int *idxs, cudaStream_t stream);