Merge branch 'pretty_eval_output' into develop

Author: HydrogenSulfate

examples/darcy/darcy2d.py

@@ -246,7 +246,7 @@ def poisson_ref_compute_func(_in):
         cfg.NPOINT_PDE + cfg.NPOINT_BC, evenly=True
     )
     visualizer = {
-        "visualize_p": ppsci.visualize.VisualizerVtu(
+        "visualize_p_ux_uy": ppsci.visualize.VisualizerVtu(
             vis_points,
             {
                 "p": lambda d: d["p"],

ppsci/solver/solver.py

@@ -31,6 +31,7 @@
 import numpy as np
 import paddle
 import paddle.distributed as dist
+import prettytable
 import sympy as sp
 import visualdl as vdl
 from packaging import version
@@ -545,10 +546,21 @@ def eval(self, epoch_id: int = 0) -> Tuple[float, Dict[str, Dict[str, float]]]:
         self.eval_func = ppsci.solver.eval.eval_func
 
         result = self.eval_func(self, epoch_id, self.log_freq)
-        metric_msg = ", ".join(
-            [self.eval_output_info[key].avg_info for key in self.eval_output_info]
+        metric_table = prettytable.PrettyTable(
+            ["Name", "Value"],
+            title=f"Evaluation Metric(s){'' if epoch_id == 0 else f' at epoch {epoch_id}'}",
+            align="l",
         )
-        logger.info(f"[Eval][Epoch {epoch_id}][Avg] {metric_msg}")
+
+        loss_msg = []
+        for name, value in self.eval_output_info.items():
+            if name.startswith("loss"):
+                loss_msg.append(f"{name}: {value.avg_fmt}")
+            else:
+                metric_table.add_row([name, value.avg_fmt])
+        loss_msg = ", ".join(loss_msg)
+
+        logger.info(f"[Eval][Epoch {epoch_id}][Avg] {loss_msg}\n{metric_table}")
         self.eval_output_info.clear()
 
         return result

ppsci/utils/misc.py

@@ -90,6 +90,12 @@ def avg_info(self):
             self.avg = float(self.avg)
         return f"{self.name}: {self.avg:.5f}"
 
+    @property
+    def avg_fmt(self):
+        if isinstance(self.avg, paddle.Tensor):
+            self.avg = float(self.avg)
+        return f"{self.avg:.5e}"
+
     @property
     def total(self):
         return f"{self.name}_sum: {self.sum:{self.fmt}}{self.postfix}"