create sandbox

get_learning_rate_from_file.py

@@ -0,0 +1,17 @@
+
+def get_learning_rate_from_file(filename, epoch):
+    with open(filename, 'r') as f:
+        for line in f.readlines():
+            line = line.split('#', 1)[0]
+            if line:
+                par = line.strip().split(':')
+                e = int(par[0])
+                if par[1]=='-':
+                    lr = -1
+                else:
+                    lr = float(par[1])
+                if e <= epoch:
+                    learning_rate = lr
+        return learning_rate
+
+print(get_learning_rate_from_file('./learning_rate_schedule_classifier_casia.txt', 1))

learning_rate_schedule_classifier_casia.txt

@@ -0,0 +1,7 @@
+# Learning rate schedule
+# Maps an epoch number to a learning rate
+0:  0.05
+60: 0.005
+80: 0.0005
+91: -1
+