pt: fix loss training when no data available

deepmd/pt/loss/ener.py

@@ -124,15 +124,21 @@
         # more_loss['test_keys'] = []  # showed when doing dp test
         atom_norm = 1.0 / natoms
         if self.has_e and "energy" in model_pred and "energy" in label:
+            find_energy = label.get("find_energy", 0.0)
+            pref_e = pref_e * find_energy
             if not self.use_l1_all:
                 l2_ener_loss = torch.mean(
                     torch.square(model_pred["energy"] - label["energy"])
                 )
                 if not self.inference:
-                    more_loss["l2_ener_loss"] = l2_ener_loss.detach()
+                    more_loss["l2_ener_loss"] = self.display_if_exist(
+                        l2_ener_loss.detach(), find_energy
+                    )
                 loss += atom_norm * (pref_e * l2_ener_loss)
                 rmse_e = l2_ener_loss.sqrt() * atom_norm
-                more_loss["rmse_e"] = rmse_e.detach()
+                more_loss["rmse_e"] = self.display_if_exist(
+                    rmse_e.detach(), find_energy
+                )
                 # more_loss['log_keys'].append('rmse_e')
             else:  # use l1 and for all atoms
                 l1_ener_loss = F.l1_loss(
@@ -141,24 +147,31 @@
                     reduction="sum",
                 )
                 loss += pref_e * l1_ener_loss
-                more_loss["mae_e"] = F.l1_loss(
-                    model_pred["energy"].reshape(-1),
-                    label["energy"].reshape(-1),
-                    reduction="mean",
-                ).detach()
+                more_loss["mae_e"] = self.display_if_exist(
+                    F.l1_loss(
+                        model_pred["energy"].reshape(-1),
+                        label["energy"].reshape(-1),
+                        reduction="mean",
+                    ).detach(),
+                    find_energy,
+                )
                 # more_loss['log_keys'].append('rmse_e')
             if mae:
                 mae_e = (
                     torch.mean(torch.abs(model_pred["energy"] - label["energy"]))
                     * atom_norm
                 )
-                more_loss["mae_e"] = mae_e.detach()
+                more_loss["mae_e"] = self.display_if_exist(mae_e.detach(), find_energy)
                 mae_e_all = torch.mean(
                     torch.abs(model_pred["energy"] - label["energy"])
                 )
-                more_loss["mae_e_all"] = mae_e_all.detach()
+                more_loss["mae_e_all"] = self.display_if_exist(
+                    mae_e_all.detach(), find_energy
+                )
 
         if self.has_f and "force" in model_pred and "force" in label:
+            find_force = label.get("find_force", 0.0)
+            pref_f = pref_f * find_force
             if "force_target_mask" in model_pred:
                 force_target_mask = model_pred["force_target_mask"]
             else:
@@ -174,40 +187,48 @@
                     diff_f = label["force"] - model_pred["force"]
                     l2_force_loss = torch.mean(torch.square(diff_f))
                 if not self.inference:
-                    more_loss["l2_force_loss"] = l2_force_loss.detach()
+                    more_loss["l2_force_loss"] = self.display_if_exist(
+                        l2_force_loss.detach(), find_force
+                    )
                 loss += (pref_f * l2_force_loss).to(GLOBAL_PT_FLOAT_PRECISION)
                 rmse_f = l2_force_loss.sqrt()
-                more_loss["rmse_f"] = rmse_f.detach()
+                more_loss["rmse_f"] = self.display_if_exist(rmse_f.detach(), find_force)
             else:
                 l1_force_loss = F.l1_loss(
                     label["force"], model_pred["force"], reduction="none"
                 )
                 if force_target_mask is not None:
                     l1_force_loss *= force_target_mask
                     force_cnt = force_target_mask.squeeze(-1).sum(-1)
-                    more_loss["mae_f"] = (
-                        l1_force_loss.mean(-1).sum(-1) / force_cnt
-                    ).mean()
+                    more_loss["mae_f"] = self.display_if_exist(
+                        (l1_force_loss.mean(-1).sum(-1) / force_cnt).mean(), find_force
+                    )
                     l1_force_loss = (l1_force_loss.sum(-1).sum(-1) / force_cnt).sum()
                 else:
-                    more_loss["mae_f"] = l1_force_loss.mean().detach()
+                    more_loss["mae_f"] = self.display_if_exist(
+                        l1_force_loss.mean().detach(), find_force
+                    )
                     l1_force_loss = l1_force_loss.sum(-1).mean(-1).sum()
                 loss += (pref_f * l1_force_loss).to(GLOBAL_PT_FLOAT_PRECISION)
             if mae:
                 mae_f = torch.mean(torch.abs(diff_f))
-                more_loss["mae_f"] = mae_f.detach()
+                more_loss["mae_f"] = self.display_if_exist(mae_f.detach(), find_force)
 
         if self.has_v and "virial" in model_pred and "virial" in label:
+            find_virial = label.get("find_virial", 0.0)
+            pref_v = pref_v * find_virial
             diff_v = label["virial"] - model_pred["virial"].reshape(-1, 9)
             l2_virial_loss = torch.mean(torch.square(diff_v))
             if not self.inference:
-                more_loss["l2_virial_loss"] = l2_virial_loss.detach()
+                more_loss["l2_virial_loss"] = self.display_if_exist(
+                    l2_virial_loss.detach(), find_virial
+                )
             loss += atom_norm * (pref_v * l2_virial_loss)
             rmse_v = l2_virial_loss.sqrt() * atom_norm
-            more_loss["rmse_v"] = rmse_v.detach()
+            more_loss["rmse_v"] = self.display_if_exist(rmse_v.detach(), find_virial)
             if mae:
                 mae_v = torch.mean(torch.abs(diff_v)) * atom_norm
-                more_loss["mae_v"] = mae_v.detach()
+                more_loss["mae_v"] = self.display_if_exist(mae_v.detach(), find_virial)
         if not self.inference:
             more_loss["rmse"] = torch.sqrt(loss.detach())
         return model_pred, loss, more_loss

deepmd/pt/loss/ener_spin.py

@@ -98,15 +98,21 @@
         # more_loss['test_keys'] = []  # showed when doing dp test
         atom_norm = 1.0 / natoms
         if self.has_e and "energy" in model_pred and "energy" in label:
+            find_energy = label.get("find_energy", 0.0)
+            pref_e = pref_e * find_energy
             if not self.use_l1_all:
                 l2_ener_loss = torch.mean(
                     torch.square(model_pred["energy"] - label["energy"])
                 )
                 if not self.inference:
-                    more_loss["l2_ener_loss"] = l2_ener_loss.detach()
+                    more_loss["l2_ener_loss"] = self.display_if_exist(
+                        l2_ener_loss.detach(), find_energy
+                    )
                 loss += atom_norm * (pref_e * l2_ener_loss)
                 rmse_e = l2_ener_loss.sqrt() * atom_norm
-                more_loss["rmse_e"] = rmse_e.detach()
+                more_loss["rmse_e"] = self.display_if_exist(
+                    rmse_e.detach(), find_energy
+                )
                 # more_loss['log_keys'].append('rmse_e')
             else:  # use l1 and for all atoms
                 l1_ener_loss = F.l1_loss(
@@ -115,44 +121,61 @@
                     reduction="sum",
                 )
                 loss += pref_e * l1_ener_loss
-                more_loss["mae_e"] = F.l1_loss(
-                    model_pred["energy"].reshape(-1),
-                    label["energy"].reshape(-1),
-                    reduction="mean",
-                ).detach()
+                more_loss["mae_e"] = self.display_if_exist(
+                    F.l1_loss(
+                        model_pred["energy"].reshape(-1),
+                        label["energy"].reshape(-1),
+                        reduction="mean",
+                    ).detach(),
+                    find_energy,
+                )
                 # more_loss['log_keys'].append('rmse_e')
             if mae:
                 mae_e = (
                     torch.mean(torch.abs(model_pred["energy"] - label["energy"]))
                     * atom_norm
                 )
-                more_loss["mae_e"] = mae_e.detach()
+                more_loss["mae_e"] = self.display_if_exist(mae_e.detach(), find_energy)
                 mae_e_all = torch.mean(
                     torch.abs(model_pred["energy"] - label["energy"])
                 )
-                more_loss["mae_e_all"] = mae_e_all.detach()
+                more_loss["mae_e_all"] = self.display_if_exist(
+                    mae_e_all.detach(), find_energy
+                )
 
         if self.has_fr and "force" in model_pred and "force" in label:
+            find_force_r = label.get("find_force", 0.0)
+            pref_fr = pref_fr * find_force_r
             if not self.use_l1_all:
                 diff_fr = label["force"] - model_pred["force"]
                 l2_force_real_loss = torch.mean(torch.square(diff_fr))
                 if not self.inference:
-                    more_loss["l2_force_r_loss"] = l2_force_real_loss.detach()
+                    more_loss["l2_force_r_loss"] = self.display_if_exist(
+                        l2_force_real_loss.detach(), find_force_r
+                    )
                 loss += (pref_fr * l2_force_real_loss).to(GLOBAL_PT_FLOAT_PRECISION)
                 rmse_fr = l2_force_real_loss.sqrt()
-                more_loss["rmse_fr"] = rmse_fr.detach()
+                more_loss["rmse_fr"] = self.display_if_exist(
+                    rmse_fr.detach(), find_force_r
+                )
                 if mae:
                     mae_fr = torch.mean(torch.abs(diff_fr))
-                    more_loss["mae_fr"] = mae_fr.detach()
+                    more_loss["mae_fr"] = self.display_if_exist(
+                        mae_fr.detach(), find_force_r
+                    )
             else:
                 l1_force_real_loss = F.l1_loss(
                     label["force"], model_pred["force"], reduction="none"
                 )
-                more_loss["mae_fr"] = l1_force_real_loss.mean().detach()
+                more_loss["mae_fr"] = self.display_if_exist(
+                    l1_force_real_loss.mean().detach(), find_force_r
+                )
                 l1_force_real_loss = l1_force_real_loss.sum(-1).mean(-1).sum()
                 loss += (pref_fr * l1_force_real_loss).to(GLOBAL_PT_FLOAT_PRECISION)
 
         if self.has_fm and "force_mag" in model_pred and "force_mag" in label:
+            find_force_m = label.get("find_force_mag", 0.0)
+            pref_fm = pref_fm * find_force_m
             nframes = model_pred["force_mag"].shape[0]
             atomic_mask = model_pred["mask_mag"].expand([-1, -1, 3])
             label_force_mag = label["force_mag"][atomic_mask].view(nframes, -1, 3)
@@ -163,18 +186,26 @@
                 diff_fm = label_force_mag - model_pred_force_mag
                 l2_force_mag_loss = torch.mean(torch.square(diff_fm))
                 if not self.inference:
-                    more_loss["l2_force_m_loss"] = l2_force_mag_loss.detach()
+                    more_loss["l2_force_m_loss"] = self.display_if_exist(
+                        l2_force_mag_loss.detach(), find_force_m
+                    )
                 loss += (pref_fm * l2_force_mag_loss).to(GLOBAL_PT_FLOAT_PRECISION)
                 rmse_fm = l2_force_mag_loss.sqrt()
-                more_loss["rmse_fm"] = rmse_fm.detach()
+                more_loss["rmse_fm"] = self.display_if_exist(
+                    rmse_fm.detach(), find_force_m
+                )
                 if mae:
                     mae_fm = torch.mean(torch.abs(diff_fm))
-                    more_loss["mae_fm"] = mae_fm.detach()
+                    more_loss["mae_fm"] = self.display_if_exist(
+                        mae_fm.detach(), find_force_m
+                    )
             else:
                 l1_force_mag_loss = F.l1_loss(
                     label_force_mag, model_pred_force_mag, reduction="none"
                 )
-                more_loss["mae_fm"] = l1_force_mag_loss.mean().detach()
+                more_loss["mae_fm"] = self.display_if_exist(
+                    l1_force_mag_loss.mean().detach(), find_force_m
+                )
                 l1_force_mag_loss = l1_force_mag_loss.sum(-1).mean(-1).sum()
                 loss += (pref_fm * l1_force_mag_loss).to(GLOBAL_PT_FLOAT_PRECISION)
 

deepmd/pt/loss/loss.py

@@ -28,3 +28,16 @@ def forward(self, input_dict, model, label, natoms, learning_rate):
     def label_requirement(self) -> List[DataRequirementItem]:
         """Return data label requirements needed for this loss calculation."""
         pass
+
+    @staticmethod
+    def display_if_exist(loss: torch.Tensor, find_property: float) -> torch.Tensor:
+        """Display NaN if labeled property is not found.
+
+        Parameters
+        ----------
+        loss : torch.Tensor
+            the loss tensor
+        find_property : float
+            whether the property is found
+        """
+        return loss if bool(find_property) else torch.nan

deepmd/pt/loss/tensor.py

@@ -95,6 +95,8 @@ def forward(self, input_dict, model, label, natoms, learning_rate=0.0, mae=False
             and self.tensor_name in model_pred
             and "atomic_" + self.label_name in label
         ):
+            find_local = label.get("find_" + "atomic_" + self.label_name, 0.0)
+            local_weight = self.local_weight * find_local
             local_tensor_pred = model_pred[self.tensor_name].reshape(
                 [-1, natoms, self.tensor_size]
             )
@@ -108,15 +110,21 @@ def forward(self, input_dict, model, label, natoms, learning_rate=0.0, mae=False
                 diff = diff[model_pred["mask"].reshape([-1]).bool()]
             l2_local_loss = torch.mean(torch.square(diff))
             if not self.inference:
-                more_loss[f"l2_local_{self.tensor_name}_loss"] = l2_local_loss.detach()
-            loss += self.local_weight * l2_local_loss
+                more_loss[f"l2_local_{self.tensor_name}_loss"] = self.display_if_exist(
+                    l2_local_loss.detach(), find_local
+                )
+            loss += local_weight * l2_local_loss
             rmse_local = l2_local_loss.sqrt()
-            more_loss[f"rmse_local_{self.tensor_name}"] = rmse_local.detach()
+            more_loss[f"rmse_local_{self.tensor_name}"] = self.display_if_exist(
+                rmse_local.detach(), find_local
+            )
         if (
             self.has_global_weight
             and "global_" + self.tensor_name in model_pred
             and self.label_name in label
         ):
+            find_global = label.get("find_" + self.label_name, 0.0)
+            global_weight = self.global_weight * find_global
             global_tensor_pred = model_pred["global_" + self.tensor_name].reshape(
                 [-1, self.tensor_size]
             )
@@ -132,12 +140,14 @@ def forward(self, input_dict, model, label, natoms, learning_rate=0.0, mae=False
                 atom_num = natoms
                 l2_global_loss = torch.mean(torch.square(diff))
             if not self.inference:
-                more_loss[f"l2_global_{self.tensor_name}_loss"] = (
-                    l2_global_loss.detach()
+                more_loss[f"l2_global_{self.tensor_name}_loss"] = self.display_if_exist(
+                    l2_global_loss.detach(), find_global
                 )
-            loss += self.global_weight * l2_global_loss
+            loss += global_weight * l2_global_loss
             rmse_global = l2_global_loss.sqrt() / atom_num
-            more_loss[f"rmse_global_{self.tensor_name}"] = rmse_global.detach()
+            more_loss[f"rmse_global_{self.tensor_name}"] = self.display_if_exist(
+                rmse_global.detach(), find_global
+            )
         return model_pred, loss, more_loss
 
     @property

deepmd/pt/train/training.py

@@ -1017,7 +1017,7 @@ def get_data(self, is_train=True, task_key="Default"):
             if item_key in input_keys:
                 input_dict[item_key] = batch_data[item_key]
             else:
-                if item_key not in ["sid", "fid"] and "find_" not in item_key:
+                if item_key not in ["sid", "fid"]:
                     label_dict[item_key] = batch_data[item_key]
         log_dict = {}
         if "fid" in batch_data:
@@ -1052,6 +1052,7 @@ def print_header(self, fout, train_results, valid_results):
                     for k in sorted(train_results[model_key].keys()):
                         print_str += prop_fmt % (k + f"_trn_{model_key}")
         print_str += "   %8s\n" % "lr"
+        print_str += "# If there is no available reference data, rmse_*_{val,trn} will print nan\n"
         fout.write(print_str)
         fout.flush()
 

source/tests/pt/model/test_model.py

@@ -352,7 +352,9 @@ def test_consistency(self):
         }
         label = {
             "energy": batch["energy"].to(env.DEVICE),
+            "find_energy": 1.0,
             "force": batch["force"].to(env.DEVICE),
+            "find_force": 1.0,
         }
         cur_lr = my_lr.value(self.wanted_step)
         model_predict, loss, _ = my_loss(