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[Enhance] Unify the parameter style of DeepSpeedStrategy (#1320)

pull/1310/merge
LZHgrla 2023-08-25 19:38:58 +08:00 committed by GitHub
parent a53c2802a6
commit 714c8eedc3
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1 changed files with 18 additions and 18 deletions
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36
mmengine/_strategy/deepspeed.py
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@ -219,10 +219,10 @@ class DeepSpeedStrategy(BaseStrategy):
config for deepspeed. Defaults to None.
zero_optimization (dict, optional): Enabling and configuring ZeRO
memory optimizations. Defaults to None.
gradient_clipping (float): Enable gradient clipping with value.
Defaults to 1.0.
gradient_clipping (float, optional): Enable gradient clipping with
value. Defaults to None.
fp16 (dict, optional): Configuration for using mixed precision/FP16
training that leverages NVIDIA's Apex package.
training that leverages NVIDIA's Apex package. Defaults to None.
inputs_to_half (list[int or str], optional): Which inputs are to
converted to half precision. Defaults to None.
If ``fp16`` is enabled, it also should be set.
@ -239,6 +239,12 @@ class DeepSpeedStrategy(BaseStrategy):
offloading parameter and optimizer states to persistent (NVMe)
storage. This module uses Linux native asynchronous I/O (libaio).
Defaults to None.
train_micro_batch_size_per_gpu (int, optional): Batch size to be
processed by one GPU in one step (without gradient accumulation).
Defaults to None.
gradient_accumulation_steps (int, optional): Number of training steps
to accumulate gradients before averaging and applying them.
Defaults to None.
"""
def __init__(
@ -247,7 +253,7 @@ class DeepSpeedStrategy(BaseStrategy):
# the following args are for deepspeed
config: Union[str, dict, None] = None,
zero_optimization: Optional[dict] = None,
gradient_clipping: float = 1.0,
gradient_clipping: Optional[float] = None,
fp16: Optional[dict] = None,
inputs_to_half: Optional[List[Union[int, str]]] = None,
bf16: Optional[dict] = None,
@ -255,7 +261,7 @@ class DeepSpeedStrategy(BaseStrategy):
activation_checkpointing: Optional[dict] = None,
aio: Optional[dict] = None,
train_micro_batch_size_per_gpu: Optional[int] = None,
gradient_accumulation_steps: int = 1,
gradient_accumulation_steps: Optional[int] = None,
# disable the log printed by deepseed
steps_per_print: int = 10000000000000,
# the following args are for BaseStrategy
@ -270,7 +276,8 @@ class DeepSpeedStrategy(BaseStrategy):
self.config = self._parse_config(config)
if zero_optimization is not None:
self.config['zero_optimization'] = zero_optimization
self.config['gradient_clipping'] = gradient_clipping
if gradient_clipping is not None:
self.config['gradient_clipping'] = gradient_clipping
if fp16 is not None:
self.config['fp16'] = fp16
if bf16 is not None:
@ -281,21 +288,14 @@ class DeepSpeedStrategy(BaseStrategy):
self.config['activation_checkpointing'] = activation_checkpointing
if aio is not None:
self.config['aio'] = aio
if ('train_micro_batch_size_per_gpu' not in self.config
and 'train_batch_size' not in self.config):
assert train_micro_batch_size_per_gpu is not None, (
'`train_micro_batch_size_per_gpu` or `train_batch_size` '
'should be set!')
self.config['train_micro_batch_size_per_gpu'] = \
train_micro_batch_size_per_gpu
if train_micro_batch_size_per_gpu is not None:
self.config['train_micro_batch_size_per_gpu'] = \
train_micro_batch_size_per_gpu
self.config['gradient_accumulation_steps'] = \
gradient_accumulation_steps
if gradient_accumulation_steps is not None:
self.config['gradient_accumulation_steps'] = \
gradient_accumulation_steps
else:
self.config.setdefault('gradient_accumulation_steps', 1)
self.config['steps_per_print'] = steps_per_print
self._inputs_to_half = inputs_to_half