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Commit a0bf956a authored by Kexin Yu's avatar Kexin Yu
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more debugging

parent feb93a2a
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apex/contrib/optimizers/fused_lamb.py
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...@@ -83,6 +83,7 @@ class FusedLAMB(torch.optim.Optimizer): ...@@ -83,6 +83,7 @@ class FusedLAMB(torch.optim.Optimizer):
self.adam_w_mode = 1 if adam_w_mode else 0 self.adam_w_mode = 1 if adam_w_mode else 0
self.set_grad_none = set_grad_none self.set_grad_none = set_grad_none
print("debugging LAMB")
def zero_grad(self): def zero_grad(self):
if self.set_grad_none: if self.set_grad_none:
...@@ -130,6 +131,8 @@ class FusedLAMB(torch.optim.Optimizer): ...@@ -130,6 +131,8 @@ class FusedLAMB(torch.optim.Optimizer):
# blend two grad norms to get global grad norm # blend two grad norms to get global grad norm
global_grad_norm = math.sqrt(g_norm_32 * g_norm_32 + g_norm_16 * g_norm_16) global_grad_norm = math.sqrt(g_norm_32 * g_norm_32 + g_norm_16 * g_norm_16)
max_grad_norm = self.defaults['max_grad_norm'] max_grad_norm = self.defaults['max_grad_norm']
print("====global_grad_norm:", global_grad_norm)
print("====max_grad_norm:", max_grad_norm)
for group in self.param_groups: for group in self.param_groups:
bias_correction = 1 if group['bias_correction'] else 0 bias_correction = 1 if group['bias_correction'] else 0
......
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