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!7626 fix for se-resnet50 accurancy 

Merge pull request !7626 from qujianwei/master
This commit is contained in:
mindspore-ci-bot 2020-10-22 19:34:05 +08:00 committed by Gitee
parent bc1d33c62d 16a23d24ec
commit b802ce7f8f
1 changed files with 4 additions and 2 deletions
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6
model_zoo/official/cv/resnet/src/lr_generator.py
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@ -100,8 +100,10 @@ def _generate_cosine_lr(lr_init, lr_end, lr_max, total_steps, warmup_steps):
lr_inc = (float(lr_max) - float(lr_init)) / float(warmup_steps)
lr = float(lr_init) + lr_inc * (i + 1)
else:
cosine_decay = 0.5 * (1 + math.cos(math.pi * (i - warmup_steps) / decay_steps))
lr = (lr_max - lr_end) * cosine_decay + lr_end
linear_decay = (total_steps - i) / decay_steps
cosine_decay = 0.5 * (1 + math.cos(math.pi * 2 * 0.47 * i / decay_steps))
decayed = linear_decay * cosine_decay + 0.00001
lr = lr_max * decayed
lr_each_step.append(lr)
return lr_each_step