[Bugfix] Update loading datasets (#307)

cogdl/datasets/__init__.py

@@ -79,12 +79,14 @@ def build_dataset_from_path(data_path, dataset=None):
         module = importlib.import_module(path)
         class_name = SUPPORTED_DATASETS[dataset].split(".")[-1]
         dataset = getattr(module, class_name)(data_path=data_path)
+        return dataset
 
     if dataset is None:
         try:
             return torch.load(data_path)
         except Exception as e:
             print(e)
+            exit(0)
     raise ValueError("You are expected to specify `dataset` and `data_path`")
 
 

cogdl/utils/spmm_utils.py

@@ -155,7 +155,7 @@ def mh_spmm(graph, attention, h, csrmhspmm=None, fast_spmm=None):
             h = h.permute(1, 0, 2).contiguous()
             for i in range(nhead):
                 edge_weight = attention[:, i]
-                graph.edge_weight = edge_weight
+                graph.edge_weight = edge_weight.contiguous()
                 hidden = h[i]
                 assert not torch.isnan(hidden).any()
                 h_prime.append(spmm(graph, hidden, fast_spmm=fast_spmm))

examples/VRGCN/VRGCN.py

@@ -105,7 +105,7 @@ def forward(self, x, sample_ids_adjs, full_ids_adjs) -> Tensor:
             x = x - self.histories[i].pull(cur_id).detach()
             h = self.histories[i].pull(full_id)
 
-            x = self.spmm(sample_adj, x)[: target_id.shape[0]] + self.spmm(full_adj, h)[: target_id.shape[0]].detach()
+            x = spmm(sample_adj, x)[: target_id.shape[0]] + spmm(full_adj, h)[: target_id.shape[0]].detach()
             x = self.lins[i](x)
 
             if i != self.num_layers - 1:
@@ -131,7 +131,7 @@ def inference(self, x, adj):
         adj = adj.to(self._device)
         xs = [x]
         for i in range(self.num_layers):
-            x = self.spmm(adj, x)
+            x = spmm(adj, x)
             x = self.lins[i](x)
             if i != self.num_layers - 1:
                 x = self.norms[i](x)
@@ -148,7 +148,7 @@ def inference_batch(self, x, test_loader):
             tmp_x = []
             for target_id, full_id, full_adj in test_loader:
                 full_adj = full_adj.to(device)
-                agg_x = self.spmm(full_adj, x[full_id].to(device))[: target_id.shape[0]]
+                agg_x = spmm(full_adj, x[full_id].to(device))[: target_id.shape[0]]
                 agg_x = self.lins[i](agg_x)
 
                 if i != self.num_layers - 1: