Laurawly commented on issue #5116: Add thrust support for nms URL: https://github.com/apache/incubator-tvm/pull/5116#issuecomment-602302249 > @Laurawly Can we have implementation like this? Big if/else blocks should be put inside ` thrust_sort_common`. > > ``` > TVM_REGISTER_GLOBAL("tvm.contrib.thrust.sort") > .set_body([](TVMArgs args, TVMRetValue* ret) { > CHECK_GE(args.num_args, 5); > DLTensor* input = args[0]; > DLTensor* valid_count = args[1]; > DLTensor* values_out = args[2]; > DLTensor* indices_out = args[3]; > bool is_ascend = args[4]; > > auto data_dtype = DLDataType2String(input->dtype); > auto out_dtype = DLDataType2String(indices_out->dtype); > > int n_values = input->shape[input->ndim - 1]; > auto get_sort_len = [=](int i) { return n_values; }; > thrust_sort_common(input, values_out, indices_out, is_ascend, get_sort_len, data_type, out_dtype); > } > > TVM_REGISTER_GLOBAL("tvm.contrib.thrust.sort_nms") > .set_body([](TVMArgs args, TVMRetValue* ret) { > CHECK_GE(args.num_args, 5); > DLTensor* input = args[0]; > DLTensor* valid_count = args[1]; > DLTensor* values_out = args[2]; > DLTensor* indices_out = args[3]; > bool is_ascend = args[4]; > > auto data_dtype = DLDataType2String(input->dtype); > auto out_dtype = DLDataType2String(indices_out->dtype); > > thrust::device_ptr<IndicesType> valid_count_ptr(static_cast<IndicesType *>(valid_count->data)); > auto get_sort_len = [&valid_count_ptr](int i) { return valid_count_ptr[i] }; > thrust_sort_common(input, values_out, indices_out, is_ascend, get_sort_len, data_type, out_dtype); > } > ``` Lemme know if the changes look good to you.
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