Update xmisc

xautodl/xmisc/meter_utils.py

@@ -0,0 +1,22 @@
+class AverageMeter:
+    """Computes and stores the average and current value"""
+
+    def __init__(self):
+        self.reset()
+
+    def reset(self):
+        self.val = 0.0
+        self.avg = 0.0
+        self.sum = 0.0
+        self.count = 0.0
+
+    def update(self, val, n=1):
+        self.val = val
+        self.sum += val * n
+        self.count += n
+        self.avg = self.sum / self.count
+
+    def __repr__(self):
+        return "{name}(val={val}, avg={avg}, count={count})".format(
+            name=self.__class__.__name__, **self.__dict__
+        )