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ColossalAI/colossalai/legacy/context/process_group_initializer/process_group_initializer.py

41 lines
1.2 KiB

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
from abc import ABC, abstractmethod
from colossalai.context import Config
class ProcessGroupInitializer(ABC):
"""An object, knowing the parallelism configuration, that initializes parallel groups.
Args:
rank (int): The rank of current process.
world_size (int): Size of whole communication world.
config (Config): Running configuration.
data_parallel_size (int): Size of data parallel.
pipeline_parallel_size (int): Size of pipeline parallel.
tensor_parallel_size (int): Size of tensor parallel.
"""
def __init__(
self,
rank: int,
world_size: int,
config: Config,
data_parallel_size: int,
pipeline_parallel_size: int,
tensor_parallel_size: int,
):
self.rank = rank
self.world_size = world_size
self.data_parallel_size = data_parallel_size
self.config = config
self.pipeline_parallel_size = pipeline_parallel_size
self.tensor_parallel_size = tensor_parallel_size
super().__init__()
@abstractmethod
def init_dist_group(self):
pass