Method exec

dnn/src/cuda/roi_pooling/opr_impl.cpp:10–46

namespace cuda {

void ROIPoolingForwardImpl::exec(
        _megdnn_tensor_in src, _megdnn_tensor_in rois, _megdnn_tensor_out dst,
        _megdnn_tensor_out index, _megdnn_workspace workspace) {
    check_exec(src.layout, rois.layout, dst.layout, index.layout, workspace.size);
    auto stream = cuda_stream(handle());
    auto nthreads = dst.layout.total_nr_elems();
    auto spatial_scale = m_param.scale;
    auto channels = src.layout.shape[1];
    auto height = src.layout.shape[2];
    auto width = src.layout.shape[3];
    auto pooled_height = dst.layout.shape[2];
    auto pooled_width = dst.layout.shape[3];
    using namespace ::megdnn::roi_pooling;
    using namespace ::megdnn::cuda::roi_pooling;
#define cb(DType)                                                                \
    if (src.layout.dtype == DType()) {                                           \
        using T = typename DTypeTrait<DType>::ctype;                             \
        switch (param().mode) {                                                  \
            case param::ROIPooling::Mode::MAX:                                   \
                forward_proxy<T, MaxPooler<T>>(                                  \
                        nthreads, src.ptr<T>(), spatial_scale, channels, height, \
                        width, pooled_height, pooled_width, rois.ptr<T>(),       \
                        dst.ptr<T>(), index.ptr<dt_int32>(), stream);            \
                break;                                                           \
            case param::ROIPooling::Mode::AVERAGE:                               \
                forward_proxy<T, AveragePooler<T>>(                              \
                        nthreads, src.ptr<T>(), spatial_scale, channels, height, \
                        width, pooled_height, pooled_width, rois.ptr<T>(),       \
                        dst.ptr<T>(), index.ptr<dt_int32>(), stream);            \
                break;                                                           \
            default:                                                             \
                megdnn_assert_internal(false);                                   \
        }                                                                        \
    }
    MEGDNN_FOREACH_COMPUTING_DTYPE_FLOAT(cb)
#undef cb
}

void ROIPoolingBackwardImpl::exec(
        _megdnn_tensor_in diff, _megdnn_tensor_in src, _megdnn_tensor_in rois,