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(CH) eval mode appended #22

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(CH) eval mode appended #22

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5 changes: 5 additions & 0 deletions training/phema.py
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,9 @@ def __init__(self, net, stds=[0.010, 0.050, 0.100]):
self.net = net
self.stds = stds
self.emas = [copy.deepcopy(net) for _std in stds]
# Added eval() mode, prevent EDM2 to self-normalize and change weights at sampling/evaluation.
for ema in self.emas:
ema.eval()

@torch.no_grad()
def reset(self):
Expand Down Expand Up @@ -133,6 +136,8 @@ def __init__(self, net, ema_beta=0.9999, halflife_Mimg=None, rampup_ratio=None):
self.halflife_Mimg = halflife_Mimg
self.rampup_ratio = rampup_ratio
self.ema = copy.deepcopy(net)
# Added eval() mode, prevent EDM2 to self-normalize and change weights at sampling/evaluation.
self.ema.eval()

@torch.no_grad()
def reset(self):
Expand Down