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[fp32] fix default dtype #1023

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Merged
jeffra merged 1 commit into from
Apr 30, 2021
Merged

[fp32] fix default dtype #1023

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6 changes: 3 additions & 3 deletions deepspeed/runtime/zero/partition_parameters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,7 @@ def __init__(self,
pin_memory=False,
config=None,
enabled=True,
dtype=torch.half):
dtype=None):
"""A context to enable massive model construction for training with
ZeRO-3. Models are automatically partitioned (or, sharded) across the
system and converted to half precision.
Expand All @@ -325,8 +325,8 @@ def __init__(self,
for swapping fp16 params to NVMe.
enabled (bool, optional): If ``False``, this context has no
effect. Defaults to ``True``.
dtype (``torch.dtype``, optional): Can be used to change the data type of the parameters.
Supported options are ``torch.half`` and ``torch.float``. Defaults to ``torch.half``
dtype (``dtype``, optional): Can be used to change the data type of the parameters.
Supported options are ``torch.half`` and ``torch.float``. Defaults to ``None``

This context accelerates model initialization and enables models that
are too large to allocate in their entirety in CPU memory. It has the
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