colossalai.context.process_group_initializer.process_group_initializer

class colossalai.context.process_group_initializer.process_group_initializer.ProcessGroupInitializer(rank, world_size, config, data_parallel_size, pipeline_parallel_size, tensor_parallel_size)

An object, knowing the parallelism configuration, that initializes parallel groups.

Parameters

• 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