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[zero] add zero optimizer for ColoTensor (#1046)

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* add zero optimizer

* torch ok

* unit test ok

* polish code

* fix bugs

* polish unit test

* polish zero optim

* polish colo ddp v2

* refactor folder structure

* add comment

* polish unit test

* polish zero optim

* polish unit test
This commit is contained in:
ver217
2022-06-02 12:13:15 +08:00
committed by GitHub
parent e32470b6de
commit 51b9a49655
7 changed files with 245 additions and 15 deletions
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3
colossalai/zero/__init__.py
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@@ -5,6 +5,7 @@ import torch.nn as nn
from colossalai.logging import get_dist_logger
from colossalai.zero.sharded_model.sharded_model_v2 import ShardedModelV2
from colossalai.zero.sharded_optim.sharded_optim_v2 import ShardedOptimizerV2
from .zero_optimizer import ZeroOptimizer
def convert_to_zero_v2(model: nn.Module, optimizer: torch.optim.Optimizer, model_config,
@@ -35,4 +36,4 @@ def convert_to_zero_v2(model: nn.Module, optimizer: torch.optim.Optimizer, model
return zero_model, zero_optimizer
__all__ = ['convert_to_zero_v2', 'ShardedModelV2', 'ShardedOptimizerV2']
__all__ = ['convert_to_zero_v2', 'ShardedModelV2', 'ShardedOptimizerV2', 'ZeroOptimizer']