mirror of https://github.com/hpcaitech/ColossalAI
24 lines
912 B
Python
24 lines
912 B
Python
import os
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from colossalai.context.parallel_mode import ParallelMode
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from colossalai.context.process_group_initializer.initializer_2d import SUMMA_DIM
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from colossalai.core import global_context as gpc
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def get_summa_dim_from_env() -> int:
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try:
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summa_dim = os.environ[SUMMA_DIM]
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summa_dim = int(summa_dim)
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assert summa_dim > 0, 'SUMMA_DIM must be larger than zero'
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return summa_dim
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except KeyError as e:
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raise EnvironmentError('SUMMA_DIM is not found in the current environment, '
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'please make sure that you have used the correct process group initializer')
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def assert_summa_initialization():
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assert gpc.is_initialized(ParallelMode.PARALLEL_2D_COL) and \
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gpc.is_initialized(ParallelMode.PARALLEL_2D_ROW), \
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'Both TWO_DIMENSION_COL and TWO_DIMENSION_ROW must be initialized by the process group initializer'
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