SUMIN/HuggingFace_transformer
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schedule fix

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lukovnikov
2019-04-03 18:13:52 +02:00
parent 1b4ce76c38
commit 20686b78fc
2 changed files with 4 additions and 4 deletions
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6
pytorch_pretrained_bert/optimization.py
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@@ -42,8 +42,8 @@ class LRSchedule(object):
logger.warning("t_total value of {} results in schedule not being applied".format(t_total))
if not 0.0 <= warmup < 1.0 and not warmup == -1:
raise ValueError("Invalid warmup: {} - should be in [0.0, 1.0[ or -1".format(warmup))
warmup = max(warmup, 0)
self.warmup, self.t_total = warmup, t_total
warmup = max(warmup, 0.)
self.warmup, self.t_total = float(warmup), float(t_total)
self.warned_for_t_total_at_progress = -1
def get_lr(self, step, nowarn=False):
@@ -153,7 +153,7 @@ class WarmupLinearSchedule(LRSchedule):
def get_lr_(self, progress):
if progress < self.warmup:
return progress / self.warmup
return max((progress - 1.) / (self.warmup - 1.), 0)
return max((progress - 1.) / (self.warmup - 1.), 0.)
SCHEDULES = {

2
tests/optimization_test.py
View File

@@ -51,7 +51,7 @@ class OptimizationTest(unittest.TestCase):
class WarmupCosineWithRestartsTest(unittest.TestCase):
def test_it(self):
m = WarmupCosineWithWarmupRestartsSchedule(warmup=0.05, t_total=1000, cycles=5)
m = WarmupCosineWithWarmupRestartsSchedule(warmup=0.05, t_total=1000., cycles=5)
x = np.arange(0, 1000)
y = [m.get_lr(xe) for xe in x]
# plt.plot(y)