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Unverified Commit 54b3ad89 authored by littsk's avatar littsk Committed by GitHub
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[hotfix] fix norm type error in zero optimizer (#4795)

parent da15fdb9
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colossalai/zero/low_level/_utils.py
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...@@ -221,8 +221,8 @@ def compute_norm(gradients: Tensor, dp_group: ProcessGroup, tp_group: ProcessGro ...@@ -221,8 +221,8 @@ def compute_norm(gradients: Tensor, dp_group: ProcessGroup, tp_group: ProcessGro
else: else:
total_norm = 0.0 total_norm = 0.0
for g in gradients: for g in gradients:
param_norm = g.data.double().norm(2) param_norm = g.data.double().norm(norm_type)
total_norm += param_norm.item() ** 2 total_norm += param_norm.item() ** norm_type
# Sum across all model parallel GPUs. # Sum across all model parallel GPUs.
total_norm_cuda = torch.cuda.FloatTensor([float(total_norm)]) total_norm_cuda = torch.cuda.FloatTensor([float(total_norm)])
......
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