apply lr schedule to hypernets

1 files changed, 34 insertions, 0 deletions

diff --git a/modules/textual_inversion/learn_schedule.py b/modules/textual_inversion/learn_schedule.py
new file mode 100644
index 00000000..db720271
--- /dev/null
+++ b/modules/textual_inversion/learn_schedule.py
@@ -0,0 +1,34 @@
+

+class LearnSchedule:

+    def __init__(self, learn_rate, max_steps, cur_step=0):

+        pairs = learn_rate.split(',')

+        self.rates = []

+        self.it = 0

+        self.maxit = 0

+        for i, pair in enumerate(pairs):

+            tmp = pair.split(':')

+            if len(tmp) == 2:

+                step = int(tmp[1])

+                if step > cur_step:

+                    self.rates.append((float(tmp[0]), min(step, max_steps)))

+                    self.maxit += 1

+                    if step > max_steps:

+                        return

+                elif step == -1:

+                    self.rates.append((float(tmp[0]), max_steps))

+                    self.maxit += 1

+                    return

+            else:

+                self.rates.append((float(tmp[0]), max_steps))

+                self.maxit += 1

+                return

+

+    def __iter__(self):

+        return self

+

+    def __next__(self):

+        if self.it < self.maxit:

+            self.it += 1

+            return self.rates[self.it - 1]

+        else:

+            raise StopIteration