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fixed bev_pool cuda .cu wrong cur_geom_feats address #21

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fixed bev_pool cuda .cu wrong cur_geom_feats address #21

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4 changes: 2 additions & 2 deletions mmdetection3d/mmdet3d/ops/bev_pool/src/bev_pool_cuda.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ __global__ void bev_pool_kernel(int b, int d, int h, int w, int n, int c, int n_
if (index >= n_intervals) return;
int interval_start = interval_starts[index];
int interval_length = interval_lengths[index];
const int* cur_geom_feats = geom_feats + interval_start * 4;
const int* cur_geom_feats = geom_feats + (interval_start + interval_length - 1) * 4;
const float* cur_x = x + interval_start * c + cur_c;
float* cur_out = out + cur_geom_feats[3] * d * h * w * c +
cur_geom_feats[2] * h * w * c + cur_geom_feats[0] * w * c +
Expand Down Expand Up @@ -71,7 +71,7 @@ __global__ void bev_pool_grad_kernel(int b, int d, int h, int w, int n, int c, i
int interval_start = interval_starts[index];
int interval_length = interval_lengths[index];

const int* cur_geom_feats = geom_feats + interval_start * 4;
const int* cur_geom_feats = geom_feats + (interval_start + interval_length - 1) * 4;
float* cur_x_grad = x_grad + interval_start * c + cur_c;

const float* cur_out_grad = out_grad + cur_geom_feats[3] * d * h * w * c +
Expand Down