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mxnet.gluon.utils.clip_global_norm

mxnet.gluon.utils.clip_global_norm(arrays, max_norm, check_isfinite=True)

Rescales NDArrays so that the sum of their 2-norm is smaller than max_norm.

Parameters

• arrays (list of NDArray) –

• max_norm (float) –

• check_isfinite (bool, default True) – If True, check that the total_norm is finite (not nan or inf). This requires a blocking .asscalar() call.

Returns

Total norm. Return type is NDArray of shape (1,) if check_isfinite is False. Otherwise a float is returned.

Return type

NDArray or float

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